{ "instance": { "irm201910k.htm": { "axisCustom": 1, "axisStandard": 52, "contextCount": 1472, "dts": { "calculationLink": { "local": [ "irm-20191231_cal.xml" ] }, "definitionLink": { "local": [ "irm-20191231_def.xml" ], "remote": [ "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-eedm-def-2019-01-31.xml", "http://xbrl.fasb.org/srt/2019/elts/srt-eedm1-def-2019-01-31.xml" ] }, "inline": { "local": [ "irm201910k.htm" ] }, "labelLink": { "local": [ "irm-20191231_lab.xml" ], "remote": [ "http://xbrl.fasb.org/srt/2019/elts/srt-doc-2019-01-31.xml", "https://xbrl.sec.gov/dei/2019/dei-doc-2019-01-31.xml", "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-doc-2019-01-31.xml" ] }, "presentationLink": { "local": [ "irm-20191231_pre.xml" ] }, "referenceLink": { "remote": [ "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-ref-2019-01-31.xml", "http://xbrl.fasb.org/srt/2019/elts/srt-ref-2019-01-31.xml", "https://xbrl.sec.gov/dei/2019/dei-ref-2019-01-31.xml" ] }, "schema": { "local": [ "irm-20191231.xsd" ], "remote": [ "http://xbrl.fasb.org/srt/2019/elts/srt-types-2019-01-31.xsd", "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd", "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd", "http://www.xbrl.org/2003/xl-2003-12-31.xsd", "http://www.xbrl.org/2003/xlink-2003-12-31.xsd", "http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd", "http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd", "http://www.xbrl.org/2006/ref-2006-02-27.xsd", "http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd", "http://www.xbrl.org/2005/xbrldt-2005.xsd", "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd", "http://xbrl.fasb.org/us-gaap/2019/elts/us-roles-2019-01-31.xsd", "http://xbrl.fasb.org/srt/2019/elts/srt-roles-2019-01-31.xsd", "https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd", "http://xbrl.fasb.org/us-gaap/2019/elts/us-types-2019-01-31.xsd", "http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd", "https://xbrl.sec.gov/currency/2019/currency-2019-01-31.xsd", "https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd", "https://xbrl.sec.gov/exch/2019/exch-2019-01-31.xsd", "http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd", "http://xbrl.sec.gov/naics/2017/naics-2017-01-31.xsd", "http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd", "https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd", "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd", "http://xbrl.fasb.org/us-gaap/2019/elts/us-parts-codification-2019-01-31.xsd", "http://www.xbrl.org/lrr/role/deprecated-2009-12-16.xsd" ] } }, "elementCount": 1456, "entityCount": 1, "hidden": { "http://fasb.org/us-gaap/2019-01-31": 289, "http://www.ironmountain.com/20191231": 10, "http://xbrl.sec.gov/dei/2019-01-31": 6, "total": 305 }, "keyCustom": 167, "keyStandard": 650, "memberCustom": 361, "memberStandard": 91, "nsprefix": "irm", "nsuri": "http://www.ironmountain.com/20191231", "report": { "R1": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "dei:DocumentType", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "true", "longName": "0001000 - Document - Cover Page", "role": "http://www.ironmountain.com/role/CoverPage", "shortName": "Cover Page", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "dei:DocumentType", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R10": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:NatureOfOperations", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2101100 - Disclosure - Nature of Business", "role": "http://www.ironmountain.com/role/NatureOfBusiness", "shortName": "Nature of Business", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:NatureOfOperations", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R100": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2018Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:UnrecognizedTaxBenefits", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2407408 - Disclosure - Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details)", "role": "http://www.ironmountain.com/role/IncomeTaxesReconciliationOfUnrecognizedTaxBenefitsDetails", "shortName": "Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "lang": null, "name": "us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R101": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:QuarterlyFinancialInformationTextBlock", "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:Revenues", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2408402 - Disclosure - Quarterly Results of Operations (Unaudited) (Details)", "role": "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "shortName": "Quarterly Results of Operations (Unaudited) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4QTD", "decimals": "-3", "lang": null, "name": "irm:ChangeInRevenueDueToChangeInForeignExchangeRates", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R102": { "firstAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:SegmentReportingDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:NumberOfOperatingSegments", "reportCount": 1, "unique": true, "unitRef": "segment", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2409402 - Disclosure - Segment Information - Additional Information (Details)", "role": "http://www.ironmountain.com/role/SegmentInformationAdditionalInformationDetails", "shortName": "Segment Information - Additional Information (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:SegmentReportingDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:NumberOfOperatingSegments", "reportCount": 1, "unique": true, "unitRef": "segment", "xsiNil": "false" } }, "R103": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:QuarterlyFinancialInformationTextBlock", "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:Revenues", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2409403 - Disclosure - Segment Information - Revenue and Expenditures (Details)", "role": "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails", "shortName": "Segment Information - Revenue and Expenditures (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "lang": null, "name": "us-gaap:PaymentsToAcquireProductiveAssets", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R104": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "irm:Adjustedearningsbeforeinterestexpensenetprovisionbenefitforincometaxesdepreciationandamortization", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2409404 - Disclosure - Segment Information - Reconciliation of Adjusted EBITDA to Income (Loss) from Continuing Operations (Details)", "role": "http://www.ironmountain.com/role/SegmentInformationReconciliationOfAdjustedEbitdaToIncomeLossFromContinuingOperationsDetails", "shortName": "Segment Information - Reconciliation of Adjusted EBITDA to Income (Loss) from Continuing Operations (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "irm:ScheduleofReconciliationtoIncomeLossfromContinuingOperationsTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "lang": null, "name": "us-gaap:RestructuringCosts", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R105": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:QuarterlyFinancialInformationTextBlock", "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:Revenues", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2409405 - Disclosure - Segment Information - Revenue and Asset Information by Geography and Service Line (Details)", "role": "http://www.ironmountain.com/role/SegmentInformationRevenueAndAssetInformationByGeographyAndServiceLineDetails", "shortName": "Segment Information - Revenue and Asset Information by Geography and Service Line (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2017Q4", "decimals": "-3", "lang": null, "name": "us-gaap:NoncurrentAssets", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R106": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:BusinessCombinationSeparatelyRecognizedTransactionsTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:BusinessCombinationSeparatelyRecognizedTransactionsExpensesAndLossesRecognized", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2409406 - Disclosure - Segment Information - Significant Acquisition Costs by Segment (Details)", "role": "http://www.ironmountain.com/role/SegmentInformationSignificantAcquisitionCostsBySegmentDetails", "shortName": "Segment Information - Significant Acquisition Costs by Segment (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:BusinessCombinationSeparatelyRecognizedTransactionsTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD_us-gaap_StatementBusinessSegmentsAxis_irm_GlobalRecordsandInformationManagementBusinessMember", "decimals": "-3", "lang": null, "name": "us-gaap:BusinessCombinationSeparatelyRecognizedTransactionsExpensesAndLossesRecognized", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R107": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "srt:ContractualObligationFiscalYearMaturityScheduleTableTextBlock", "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:ContractualObligationDueInNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2410402 - Disclosure - Commitments and Contingencies - Purchase Commitments (Details)", "role": "http://www.ironmountain.com/role/CommitmentsAndContingenciesPurchaseCommitmentsDetails", "shortName": "Commitments and Contingencies - Purchase Commitments (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "srt:ContractualObligationFiscalYearMaturityScheduleTableTextBlock", "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:ContractualObligationDueInNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R108": { "firstAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2018Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:SelfInsuranceReserveCurrent", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2410403 - Disclosure - Commitments and Contingencies - Additional Information (Details)", "role": "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails", "shortName": "Commitments and Contingencies - Additional Information (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "lang": null, "name": "us-gaap:SelfInsuranceReserveCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R109": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_irm_MakespaceMember", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:RevenueFromRelatedParties", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2411401 - Disclosure - Related Party Transactions - Additional Information (Details)", "role": "http://www.ironmountain.com/role/RelatedPartyTransactionsAdditionalInformationDetails", "shortName": "Related Party Transactions - Additional Information (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_irm_MakespaceMember", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:RevenueFromRelatedParties", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R11": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SignificantAccountingPoliciesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2102100 - Disclosure - Summary of Significant Accounting Policies", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPolicies", "shortName": "Summary of Significant Accounting Policies", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SignificantAccountingPoliciesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R110": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfDividendsPayableTextBlock", "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "D2019Q3Oct2019", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:CommonStockDividendsPerShareDeclared", "reportCount": 1, "unitRef": "usdPerShare", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2412402 - Disclosure - Stockholders' Equity Matters - Dividends Declared (Details)", "role": "http://www.ironmountain.com/role/StockholdersEquityMattersDividendsDeclaredDetails", "shortName": "Stockholders' Equity Matters - Dividends Declared (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfDividendsPayableTextBlock", "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "D2019Q4Oct2", "decimals": "-3", "lang": null, "name": "us-gaap:DividendsCommonStock", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R111": { "firstAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:Dividends", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2412403 - Disclosure - Stockholders' Equity Matters - Additional Information (Details)", "role": "http://www.ironmountain.com/role/StockholdersEquityMattersAdditionalInformationDetails", "shortName": "Stockholders' Equity Matters - Additional Information (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:Dividends", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R112": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "INF", "first": true, "lang": null, "name": "irm:PercentageOfTotalDividendsPaid", "reportCount": 1, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2412404 - Disclosure - Stockholders' Equity Matters - Classification of Dividends Paid (Details)", "role": "http://www.ironmountain.com/role/StockholdersEquityMattersClassificationOfDividendsPaidDetails", "shortName": "Stockholders' Equity Matters - Classification of Dividends Paid (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD_us-gaap_DividendsAxis_irm_NonqualifiedOrdinaryDividendsMember", "decimals": "3", "lang": null, "name": "irm:PercentageOfTotalDividendsPaid", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R113": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:PaymentsToAcquireInterestInJointVenture", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2413402 - Disclosure - Divestments - Additional Information (Details)", "role": "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "shortName": "Divestments - Additional Information (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q1QTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DisposalGroupNotDiscontinuedOperationsMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_irm_ConsumerStorageMember", "decimals": "-3", "lang": null, "name": "us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R114": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:QuarterlyFinancialInformationTextBlock", "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2413403 - Disclosure - Divestments - Results of Operations (Details)", "role": "http://www.ironmountain.com/role/DivestmentsResultsOfOperationsDetails", "shortName": "Divestments - Results of Operations (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_irm_RecallDivestmentsMember", "decimals": "-3", "lang": null, "name": "us-gaap:DisposalGroupIncludingDiscontinuedOperationRevenue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R115": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:RestructuringCharges", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2415402 - Disclosure - Restructuring Charges - Additional Information (Details)", "role": "http://www.ironmountain.com/role/RestructuringChargesAdditionalInformationDetails", "shortName": "Restructuring Charges - Additional Information (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "D2021Q4Oct2019Dec2021_srt_StatementScenarioAxis_srt_ScenarioForecastMember_us-gaap_RestructuringPlanAxis_irm_ProjectSummitMember", "decimals": "-3", "lang": null, "name": "us-gaap:RestructuringCharges", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R116": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:RestructuringCharges", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2415403 - Disclosure - Restructuring Charges - Restructuring Charges (Details)", "role": "http://www.ironmountain.com/role/RestructuringChargesRestructuringChargesDetails", "shortName": "Restructuring Charges - Restructuring Charges (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfRestructuringAndRelatedCostsTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD_us-gaap_StatementBusinessSegmentsAxis_irm_GlobalRecordsandInformationManagementBusinessMember", "decimals": "-3", "lang": null, "name": "us-gaap:RestructuringCharges", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R117": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "I2020Q1Jan9_us-gaap_BusinessAcquisitionAxis_irm_OSGAcquisitionMember_us-gaap_SubsequentEventTypeAxis_us-gaap_SubsequentEventMember", "decimals": "2", "first": true, "lang": null, "name": "us-gaap:BusinessAcquisitionPercentageOfVotingInterestsAcquired", "reportCount": 1, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2418401 - Disclosure - Subsequent Events (Details)", "role": "http://www.ironmountain.com/role/SubsequentEventsDetails", "shortName": "Subsequent Events (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "D2020Q1Jan9_us-gaap_BusinessAcquisitionAxis_irm_OSGAcquisitionMember_us-gaap_SubsequentEventTypeAxis_us-gaap_SubsequentEventMember", "decimals": "-3", "lang": null, "name": "us-gaap:PaymentsToAcquireBusinessesGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R118": { "firstAnchor": { "ancestors": [ "span", "span", "div", "srt:RealEstateAndAccumulatedDepreciationDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "irm:NumberOfFacilitiesLeased", "reportCount": 1, "unitRef": "facility", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2419401 - Disclosure - SCHEDULE III - SCHEDULE OF REAL ESTATE AND ACCUMULATED DEPRECIATION - Additional Information (Details)", "role": "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails", "shortName": "SCHEDULE III - SCHEDULE OF REAL ESTATE AND ACCUMULATED DEPRECIATION - Additional Information (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "srt:RealEstateAndAccumulatedDepreciationDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "lang": null, "name": "irm:BookValueofRackingIncludedinLeasedFacilities", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R119": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "INF", "first": true, "lang": null, "name": "srt:SECScheduleIIIRealEstateNumberOfUnits", "reportCount": 1, "unique": true, "unitRef": "facility", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2419402 - Disclosure - SCHEDULE III - SCHEDULE OF REAL ESTATE AND ACCUMULATED DEPRECIATION (Details)", "role": "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails", "shortName": "SCHEDULE III - SCHEDULE OF REAL ESTATE AND ACCUMULATED DEPRECIATION (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "INF", "first": true, "lang": null, "name": "srt:SECScheduleIIIRealEstateNumberOfUnits", "reportCount": 1, "unique": true, "unitRef": "facility", "xsiNil": "false" } }, "R12": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2103100 - Disclosure - Derivative Instruments and Hedging Activities", "role": "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivities", "shortName": "Derivative Instruments and Hedging Activities", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R13": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DebtDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2104100 - Disclosure - Debt", "role": "http://www.ironmountain.com/role/Debt", "shortName": "Debt", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DebtDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R14": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "irm:GuarantorDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2105100 - Disclosure - Selected Consolidated Financial Statements of Parent, Guarantors, and Non-Guarantors", "role": "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantors", "shortName": "Selected Consolidated Financial Statements of Parent, Guarantors, and Non-Guarantors", "subGroupType": "parenthetical", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "irm:GuarantorDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R15": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:BusinessCombinationDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2106100 - Disclosure - Acquisitions", "role": "http://www.ironmountain.com/role/Acquisitions", "shortName": "Acquisitions", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:BusinessCombinationDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R16": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:IncomeTaxDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2107100 - Disclosure - Income Taxes", "role": "http://www.ironmountain.com/role/IncomeTaxes", "shortName": "Income Taxes", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:IncomeTaxDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R17": { "firstAnchor": { "ancestors": [ "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:QuarterlyFinancialInformationTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2108100 - Disclosure - Quarterly Results of Operations (Unaudited)", "role": "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnaudited", "shortName": "Quarterly Results of Operations (Unaudited)", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:QuarterlyFinancialInformationTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R18": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SegmentReportingDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2109100 - Disclosure - Segment Information", "role": "http://www.ironmountain.com/role/SegmentInformation", "shortName": "Segment Information", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SegmentReportingDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R19": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2110100 - Disclosure - Commitments and Contingencies", "role": "http://www.ironmountain.com/role/CommitmentsAndContingencies", "shortName": "Commitments and Contingencies", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R2": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1001000 - Statement - CONSOLIDATED BALANCE SHEETS", "role": "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "shortName": "CONSOLIDATED BALANCE SHEETS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "lang": null, "name": "irm:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R20": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RelatedPartyTransactionsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2111100 - Disclosure - Related Party Transactions", "role": "http://www.ironmountain.com/role/RelatedPartyTransactions", "shortName": "Related Party Transactions", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RelatedPartyTransactionsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R21": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2112100 - Disclosure - Stockholders' Equity Matters", "role": "http://www.ironmountain.com/role/StockholdersEquityMatters", "shortName": "Stockholders' Equity Matters", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R22": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2113100 - Disclosure - Divestments", "role": "http://www.ironmountain.com/role/Divestments", "shortName": "Divestments", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R23": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RestructuringAndRelatedActivitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2115100 - Disclosure - Restructuring Charges", "role": "http://www.ironmountain.com/role/RestructuringCharges", "shortName": "Restructuring Charges", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RestructuringAndRelatedActivitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R24": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SubsequentEventsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2118100 - Disclosure - Subsequent Events", "role": "http://www.ironmountain.com/role/SubsequentEvents", "shortName": "Subsequent Events", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SubsequentEventsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R25": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "srt:RealEstateAndAccumulatedDepreciationDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2119100 - Disclosure - SCHEDULE III - SCHEDULE OF REAL ESTATE AND ACCUMULATED DEPRECIATION", "role": "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciation", "shortName": "SCHEDULE III - SCHEDULE OF REAL ESTATE AND ACCUMULATED DEPRECIATION", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "srt:RealEstateAndAccumulatedDepreciationDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R26": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ConsolidationPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2202201 - Disclosure - Summary of Significant Accounting Policies (Policies)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPolicies", "shortName": "Summary of Significant Accounting Policies (Policies)", "subGroupType": "policies", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ConsolidationPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R27": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2302302 - Disclosure - Summary of Significant Accounting Policies (Tables)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables", "shortName": "Summary of Significant Accounting Policies (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R28": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfNetInvestmentHedgesInAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2303301 - Disclosure - Derivative Instruments and Hedging Activities (Tables)", "role": "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesTables", "shortName": "Derivative Instruments and Hedging Activities (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfNetInvestmentHedgesInAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R29": { "firstAnchor": { "ancestors": [ "us-gaap:DebtDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDebtInstrumentsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2304301 - Disclosure - Debt (Tables)", "role": "http://www.ironmountain.com/role/DebtTables", "shortName": "Debt (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "us-gaap:DebtDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDebtInstrumentsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R3": { "firstAnchor": null, "groupType": "statement", "isDefault": "false", "longName": "1001501 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)", "role": "http://www.ironmountain.com/role/ConsolidatedBalanceSheetsParenthetical", "shortName": "CONSOLIDATED BALANCE SHEETS (Parenthetical)", "subGroupType": "parenthetical", "uniqueAnchor": null }, "R30": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "srt:ScheduleOfCondensedBalanceSheetTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2305301 - Disclosure - Selected Consolidated Financial Statements of Parent, Guarantors, and Non-Guarantors (Tables)", "role": "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsTables", "shortName": "Selected Consolidated Financial Statements of Parent, Guarantors, and Non-Guarantors (Tables)", "subGroupType": "parenthetical", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "srt:ScheduleOfCondensedBalanceSheetTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R31": { "firstAnchor": { "ancestors": [ "us-gaap:BusinessCombinationDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:BusinessAcquisitionProFormaInformationTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2306301 - Disclosure - Acquisitions (Tables)", "role": "http://www.ironmountain.com/role/AcquisitionsTables", "shortName": "Acquisitions (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "us-gaap:BusinessCombinationDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:BusinessAcquisitionProFormaInformationTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R32": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2307301 - Disclosure - Income Taxes (Tables)", "role": "http://www.ironmountain.com/role/IncomeTaxesTables", "shortName": "Income Taxes (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R33": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2308301 - Disclosure - Quarterly Results of Operations (Unaudited) (Tables)", "role": "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedTables", "shortName": "Quarterly Results of Operations (Unaudited) (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R34": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2309301 - Disclosure - Segment Information (Tables)", "role": "http://www.ironmountain.com/role/SegmentInformationTables", "shortName": "Segment Information (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R35": { "firstAnchor": { "ancestors": [ "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "srt:ContractualObligationFiscalYearMaturityScheduleTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2310301 - Disclosure - Commitments and Contingencies (Tables)", "role": "http://www.ironmountain.com/role/CommitmentsAndContingenciesTables", "shortName": "Commitments and Contingencies (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "srt:ContractualObligationFiscalYearMaturityScheduleTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R36": { "firstAnchor": { "ancestors": [ "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDividendsPayableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2312301 - Disclosure - Stockholders' Equity Matters (Tables)", "role": "http://www.ironmountain.com/role/StockholdersEquityMattersTables", "shortName": "Stockholders' Equity Matters (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDividendsPayableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R37": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2313301 - Disclosure - Divestments (Tables)", "role": "http://www.ironmountain.com/role/DivestmentsTables", "shortName": "Divestments (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R38": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfRestructuringAndRelatedCostsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2315301 - Disclosure - Restructuring Charges (Tables)", "role": "http://www.ironmountain.com/role/RestructuringChargesTables", "shortName": "Restructuring Charges (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfRestructuringAndRelatedCostsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R39": { "firstAnchor": { "ancestors": [ "span", "span", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402403 - Disclosure - Summary of Significant Accounting Policies - Cash and Cash Equivalents and Restricted Cash (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCashAndCashEquivalentsAndRestrictedCashDetails", "shortName": "Summary of Significant Accounting Policies - Cash and Cash Equivalents and Restricted Cash (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R4": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:OperatingLeaseLeaseIncome", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1002000 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS", "role": "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "shortName": "CONSOLIDATED STATEMENTS OF OPERATIONS", "subGroupType": "", "uniqueAnchor": null }, "R40": { "firstAnchor": { "ancestors": [ "span", "span", "ix:continuation", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "2", "first": true, "lang": null, "name": "irm:TargetPercentageOfDebtPortfolioWithFixedInterestRates", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402404 - Disclosure - Summary of Significant Accounting Policies - Derivative Instruments and Hedging Activities (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesDerivativeInstrumentsAndHedgingActivitiesDetails", "shortName": "Summary of Significant Accounting Policies - Derivative Instruments and Hedging Activities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "ix:continuation", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "2", "first": true, "lang": null, "name": "irm:TargetPercentageOfDebtPortfolioWithFixedInterestRates", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R41": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:PropertyPlantAndEquipmentGross", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402405 - Disclosure - Summary of Significant Accounting Policies - Property, Plant and Equipment (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails", "shortName": "Summary of Significant Accounting Policies - Property, Plant and Equipment (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "lang": null, "name": "us-gaap:InterestCostsCapitalized", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R42": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "srt:ScheduleOfCondensedIncomeStatementTableTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "irm:GainLossonSaleofAssetsandAssetImpairmentChargesExcludingRealEstate", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402406 - Disclosure - Summary of Significant Accounting Policies - Long Lived Assets (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLongLivedAssetsDetails", "shortName": "Summary of Significant Accounting Policies - Long Lived Assets (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "lang": null, "name": "us-gaap:SaleAndLeasebackTransactionGainLossNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R43": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "D2017Q4Oct012017", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:GoodwillAndIntangibleAssetImpairment", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402407 - Disclosure - Summary of Significant Accounting Policies - Goodwill and Other Indefinite-Lived Intangible Assets (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesGoodwillAndOtherIndefiniteLivedIntangibleAssetsDetails", "shortName": "Summary of Significant Accounting Policies - Goodwill and Other Indefinite-Lived Intangible Assets (Details)", "subGroupType": "details", "uniqueAnchor": null }, "R44": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:Goodwill", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402408 - Disclosure - Summary of Significant Accounting Policies - Schedule of Carrying Value of Goodwill, by Reporting Unit (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails", "shortName": "Summary of Significant Accounting Policies - Schedule of Carrying Value of Goodwill, by Reporting Unit (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "irm:ScheduleOfGoodwillByReportableUnitsTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4_us-gaap_StatementBusinessSegmentsAxis_irm_GlobalRecordsandInformationManagementBusinessMember_us-gaap_SubsegmentsAxis_irm_NorthAmericanRecordsAndInformationManagementMember", "decimals": "-3", "lang": null, "name": "us-gaap:Goodwill", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R45": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2018Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:GoodwillGross", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402409 - Disclosure - Summary of Significant Accounting Policies - Schedule of Changes in Carrying Value of Goodwill, by Reportable Operating Segment (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails", "shortName": "Summary of Significant Accounting Policies - Schedule of Changes in Carrying Value of Goodwill, by Reportable Operating Segment (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2017Q4", "decimals": "-3", "lang": null, "name": "us-gaap:GoodwillGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R46": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:FiniteLivedIntangibleAssetsNet", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402410 - Disclosure - Summary of Significant Accounting Policies - Customer Relationships and Acquisition Costs and Other Intangible Assets (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails", "shortName": "Summary of Significant Accounting Policies - Customer Relationships and Acquisition Costs and Other Intangible Assets (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4_us-gaap_IncomeStatementLocationAxis_irm_AmortizationExpenseIncludedInDepreciationAndAmortizationMember", "decimals": "-3", "lang": null, "name": "us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R47": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DeferredFinanceCostsGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402411 - Disclosure - Summary of Significant Accounting Policies - Deferred Financing Costs (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesDeferredFinancingCostsDetails", "shortName": "Summary of Significant Accounting Policies - Deferred Financing Costs (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DeferredFinanceCostsGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R48": { "firstAnchor": { "ancestors": [ "span", "span", "div", "irm:ScheduleOfPrepaidExpensesCurrentTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "irm:ThresholdPercentageOfCurrentAssetsAndLiabilitiesRequiredToBeDisclosedSeparately", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402412 - Disclosure - Summary of Significant Accounting Policies - Prepaid Expenses and Accrued Expenses (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPrepaidExpensesAndAccruedExpensesDetails", "shortName": "Summary of Significant Accounting Policies - Prepaid Expenses and Accrued Expenses (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "irm:ScheduleOfPrepaidExpensesCurrentTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "irm:ThresholdPercentageOfCurrentAssetsAndLiabilitiesRequiredToBeDisclosedSeparately", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R49": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "2", "first": true, "lang": null, "name": "irm:PercentageOfRevenueFromSalesOfProducts", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402413 - Disclosure - Summary of Significant Accounting Policies - Revenue - Narrative (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueNarrativeDetails", "shortName": "Summary of Significant Accounting Policies - Revenue - Narrative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "2", "first": true, "lang": null, "name": "irm:PercentageOfRevenueFromSalesOfProducts", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R5": { "firstAnchor": null, "groupType": "statement", "isDefault": "false", "longName": "1002501 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical)", "role": "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperationsParenthetical", "shortName": "CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical)", "subGroupType": "parenthetical", "uniqueAnchor": null }, "R50": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:CapitalizedContractCostTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4_us-gaap_FairValueByAssetClassAxis_irm_IntakeCostsMember", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:ContractWithCustomerAssetGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402414 - Disclosure - Summary of Significant Accounting Policies - Revenue - Contract Fulfillment Costs (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueContractFulfillmentCostsDetails", "shortName": "Summary of Significant Accounting Policies - Revenue - Contract Fulfillment Costs (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:CapitalizedContractCostTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4_us-gaap_FairValueByAssetClassAxis_irm_IntakeCostsMember", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:ContractWithCustomerAssetGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R51": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:CapitalizedContractCostTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD_us-gaap_FairValueByAssetClassAxis_irm_IntakeCostsMember", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:CapitalizedContractCostAmortization", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402415 - Disclosure - Summary of Significant Accounting Policies - Revenue - Amortization Expense Associated with Commissions Asset and Intake Costs (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueAmortizationExpenseAssociatedWithCommissionsAssetAndIntakeCostsDetails", "shortName": "Summary of Significant Accounting Policies - Revenue - Amortization Expense Associated with Commissions Asset and Intake Costs (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:CapitalizedContractCostTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD_us-gaap_FairValueByAssetClassAxis_irm_IntakeCostsMember", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:CapitalizedContractCostAmortization", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R52": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "irm:ContractWithCustomerFutureAmortizationExpenseTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "irm:CapitalizedContractCostAmortizationExpenseNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402416 - Disclosure - Summary of Significant Accounting Policies - Revenue - Estimated Amortization Expense for Contract Fulfillment Costs (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueEstimatedAmortizationExpenseForContractFulfillmentCostsDetails", "shortName": "Summary of Significant Accounting Policies - Revenue - Estimated Amortization Expense for Contract Fulfillment Costs (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "irm:ContractWithCustomerFutureAmortizationExpenseTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "irm:CapitalizedContractCostAmortizationExpenseNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R53": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:ContractWithCustomerLiabilityCurrent", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402417 - Disclosure - Summary of Significant Accounting Policies - Revenue - Summary of Deferred Revenue Liabilities (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueSummaryOfDeferredRevenueLiabilitiesDetails", "shortName": "Summary of Significant Accounting Policies - Revenue - Summary of Deferred Revenue Liabilities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ContractWithCustomerAssetAndLiabilityTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "lang": null, "name": "us-gaap:ContractWithCustomerLiabilityNoncurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R54": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:OperatingLeasesFutureMinimumPaymentsReceivableCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402418 - Disclosure - Summary of Significant Accounting Policies - Revenue - Data Center (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueDataCenterDetails", "shortName": "Summary of Significant Accounting Policies - Revenue - Data Center (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:OperatingLeasesFutureMinimumPaymentsReceivableCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R55": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2018Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:OperatingLeasesRentExpenseNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402419 - Disclosure - Summary of Significant Accounting Policies - Leases Narrative (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails", "shortName": "Summary of Significant Accounting Policies - Leases Narrative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2018Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:OperatingLeasesRentExpenseNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R56": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:OperatingLeaseRightOfUseAsset", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402420 - Disclosure - Summary of Significant Accounting Policies - Supplemental Balance Sheet (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails", "shortName": "Summary of Significant Accounting Policies - Supplemental Balance Sheet (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "irm:AssetsAndLiabilitiesLesseeTableTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "lang": null, "name": "us-gaap:FinanceLeaseRightOfUseAsset", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R57": { "firstAnchor": { "ancestors": [ "span", "span", "ix:continuation", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:OperatingLeaseCost", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402421 - Disclosure - Summary of Significant Accounting Policies - Leases Costs (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesCostsDetails", "shortName": "Summary of Significant Accounting Policies - Leases Costs (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "ix:continuation", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:OperatingLeaseCost", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R58": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402422 - Disclosure - Summary of Significant Accounting Policies - Estimated Future Lease Payments (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails", "shortName": "Summary of Significant Accounting Policies - Estimated Future Lease Payments (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R59": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:OperatingLeasePayments", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402423 - Disclosure - Summary of Significant Accounting Policies - Supplemental Cash Flows (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalCashFlowsDetails", "shortName": "Summary of Significant Accounting Policies - Supplemental Cash Flows (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:OperatingLeasePayments", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R6": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:QuarterlyFinancialInformationTextBlock", "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:ProfitLoss", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1003000 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)", "role": "http://www.ironmountain.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss", "shortName": "CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)", "subGroupType": "", "uniqueAnchor": null }, "R60": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402424 - Disclosure - Summary of Significant Accounting Policies - Stock-Based Compensation (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails", "shortName": "Summary of Significant Accounting Policies - Stock-Based Compensation (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R61": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:QuarterlyFinancialInformationTextBlock", "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402425 - Disclosure - Summary of Significant Accounting Policies - Income (Loss) Per Share - Basic and Diluted (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails", "shortName": "Summary of Significant Accounting Policies - Income (Loss) Per Share - Basic and Diluted (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "lang": null, "name": "irm:IncomelossfromContinuingOperationsNetofTaxexcludingPortionAttributabletoNoncontrollingInterest", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R62": { "firstAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:ReceivablesTradeAndOtherAccountsReceivableAllowanceForDoubtfulAccountsPolicy", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "irm:PeriodToChargeOffUncollectibleBalancesOfReceivableAsCircumstancesWarrant", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402426 - Disclosure - Summary of Significant Accounting Policies - Allowance for Doubtful Accounts and Credit Memo Reserves (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAllowanceForDoubtfulAccountsAndCreditMemoReservesDetails", "shortName": "Summary of Significant Accounting Policies - Allowance for Doubtful Accounts and Credit Memo Reserves (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:ReceivablesTradeAndOtherAccountsReceivableAllowanceForDoubtfulAccountsPolicy", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "irm:PeriodToChargeOffUncollectibleBalancesOfReceivableAsCircumstancesWarrant", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R63": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "irm:ConcentrationRiskNumberOfTripleARatedMoneyMarketFunds", "reportCount": 1, "unique": true, "unitRef": "fund", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402427 - Disclosure - Summary of Significant Accounting Policies - Concentration of Credit Risk (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesConcentrationOfCreditRiskDetails", "shortName": "Summary of Significant Accounting Policies - Concentration of Credit Risk (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "irm:ConcentrationRiskNumberOfTripleARatedMoneyMarketFunds", "reportCount": 1, "unique": true, "unitRef": "fund", "xsiNil": "false" } }, "R64": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:MoneyMarketFundsAtCarryingValue", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402428 - Disclosure - Summary of Significant Accounting Policies - Fair Value Measurements (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesFairValueMeasurementsDetails", "shortName": "Summary of Significant Accounting Policies - Fair Value Measurements (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember", "decimals": "-3", "lang": null, "name": "us-gaap:MoneyMarketFundsAtCarryingValue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R65": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2018Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402429 - Disclosure - Summary of Significant Accounting Policies - Accumulated Other Comprehensive Income, Other Expenses, and Change in Accounting Pronouncements (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails", "shortName": "Summary of Significant Accounting Policies - Accumulated Other Comprehensive Income, Other Expenses, and Change in Accounting Pronouncements (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2016Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedTranslationAdjustmentMember", "decimals": "-3", "lang": null, "name": "us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R66": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:ForeignCurrencyTransactionGainLossBeforeTax", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402430 - Disclosure - Summary of Significant Accounting Policies - Other Expense (Income), Net (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesOtherExpenseIncomeNetDetails", "shortName": "Summary of Significant Accounting Policies - Other Expense (Income), Net (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:ForeignCurrencyTransactionGainLossBeforeTax", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R67": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "srt:ScheduleOfCondensedIncomeStatementTableTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:SellingGeneralAndAdministrativeExpense", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402431 - Disclosure - Summary of Significant Accounting Policies - Schedule of Effect of Changes in Presentation (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfEffectOfChangesInPresentationDetails", "shortName": "Summary of Significant Accounting Policies - Schedule of Effect of Changes in Presentation (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentsTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2018Q4YTD_srt_RestatementAxis_srt_RestatementAdjustmentMember_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis_irm_CorrectionInPresentationMember", "decimals": "-3", "lang": null, "name": "us-gaap:CostOfGoodsAndServicesSold", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R68": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:AccumulatedDistributionsInExcessOfNetIncome", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402432 - Disclosure - Summary of Significant Accounting Policies - Immaterial Restatement Narrative (Details) (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementNarrativeDetailsDetails", "shortName": "Summary of Significant Accounting Policies - Immaterial Restatement Narrative (Details) (Details)", "subGroupType": "details", "uniqueAnchor": null }, "R69": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "srt:ScheduleOfCondensedIncomeStatementTableTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:SellingGeneralAndAdministrativeExpense", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402433 - Disclosure - Summary of Significant Accounting Policies - Immaterial Restatements (Details)", "role": "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails", "shortName": "Summary of Significant Accounting Policies - Immaterial Restatements (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2018Q4YTD_srt_RestatementAxis_srt_RestatementAdjustmentMember", "decimals": "-3", "lang": null, "name": "us-gaap:InterestIncomeExpenseNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R7": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2016Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1004000 - Statement - CONSOLIDATED STATEMENTS OF EQUITY", "role": "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity", "shortName": "CONSOLIDATED STATEMENTS OF EQUITY", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2016Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember", "decimals": "-3", "lang": null, "name": "us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R70": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2403402 - Disclosure - Derivative Instruments and Hedging Activities - Interest Rate Swap Agreements (Details)", "role": "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesInterestRateSwapAgreementsDetails", "shortName": "Derivative Instruments and Hedging Activities - Interest Rate Swap Agreements (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateSwapMember", "decimals": "INF", "lang": null, "name": "us-gaap:DerivativeNotionalAmount", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R71": { "firstAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "I2019Q3Aug31_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_CrossCurrencyInterestRateContractMember_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_us-gaap_NetInvestmentHedgingMember", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DerivativeNotionalAmount", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2403403 - Disclosure - Derivative Instruments and Hedging Activities - Net Investment Hedges (Details)", "role": "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetInvestmentHedgesDetails", "shortName": "Derivative Instruments and Hedging Activities - Net Investment Hedges (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "I2019Q3Aug31_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_CrossCurrencyInterestRateContractMember_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_us-gaap_NetInvestmentHedgingMember", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DerivativeNotionalAmount", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R72": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_us-gaap_NetInvestmentHedgingMember_us-gaap_HedgingDesignationAxis_us-gaap_DesignatedAsHedgingInstrumentMember_us-gaap_LongtermDebtTypeAxis_irm_EuroNotesMember", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DerivativeAmountOfHedgedItem", "reportCount": 1, "unique": true, "unitRef": "eur", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2403404 - Disclosure - Derivative Instruments and Hedging Activities - Hedge of Net Investment (Details) (Details)", "role": "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesHedgeOfNetInvestmentDetailsDetails", "shortName": "Derivative Instruments and Hedging Activities - Hedge of Net Investment (Details) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_us-gaap_NetInvestmentHedgingMember_us-gaap_HedgingDesignationAxis_us-gaap_DesignatedAsHedgingInstrumentMember_us-gaap_LongtermDebtTypeAxis_irm_EuroNotesMember", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DerivativeAmountOfHedgedItem", "reportCount": 1, "unique": true, "unitRef": "eur", "xsiNil": "false" } }, "R73": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseGrossOfTax", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2403405 - Disclosure - Derivative Instruments and Hedging Activities - Schedule of Foreign Exchange Gains Related to Fair of Debt (Details)", "role": "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesScheduleOfForeignExchangeGainsRelatedToFairOfDebtDetails", "shortName": "Derivative Instruments and Hedging Activities - Schedule of Foreign Exchange Gains Related to Fair of Debt (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseGrossOfTax", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R74": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_ForeignExchangeForwardMember_us-gaap_HedgingDesignationAxis_us-gaap_NondesignatedMember", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:DerivativeNotionalAmount", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2403406 - Disclosure - Derivative Instruments and Hedging Activities - Forward Currency Contracts (Details)", "role": "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesForwardCurrencyContractsDetails", "shortName": "Derivative Instruments and Hedging Activities - Forward Currency Contracts (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_ForeignExchangeForwardMember_us-gaap_HedgingDesignationAxis_us-gaap_NondesignatedMember", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:DerivativeNotionalAmount", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R75": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfDerivativeInstrumentsTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_ForeignExchangeForwardMember", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DerivativeCostOfHedgeNetOfCashReceived", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2403407 - Disclosure - Derivative Instruments and Hedging Activities - Net Cash (Receipts) Payments Included In Cash From Operating Activities (Details)", "role": "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetCashReceiptsPaymentsIncludedInCashFromOperatingActivitiesDetails", "shortName": "Derivative Instruments and Hedging Activities - Net Cash (Receipts) Payments Included In Cash From Operating Activities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfDerivativeInstrumentsTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_ForeignExchangeForwardMember", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DerivativeCostOfHedgeNetOfCashReceived", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R76": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_ForeignExchangeForwardMember_us-gaap_HedgingDesignationAxis_us-gaap_NondesignatedMember", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2403408 - Disclosure - Derivative Instruments and Hedging Activities - Amount of (Gains) Losses in Income on Derivatives (Details) (Details)", "role": "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesAmountOfGainsLossesInIncomeOnDerivativesDetailsDetails", "shortName": "Derivative Instruments and Hedging Activities - Amount of (Gains) Losses in Income on Derivatives (Details) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_ForeignExchangeForwardMember_us-gaap_HedgingDesignationAxis_us-gaap_NondesignatedMember", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R77": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfDebtInstrumentsTextBlock", "us-gaap:DebtDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DebtInstrumentCarryingAmount", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2404402 - Disclosure - Debt - Schedule of Long Term Debt (Details)", "role": "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails", "shortName": "Debt - Schedule of Long Term Debt (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfDebtInstrumentsTextBlock", "us-gaap:DebtDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "lang": null, "name": "irm:LongtermDebtGrossCurrentMaturities", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R78": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfDebtInstrumentsTextBlock", "us-gaap:DebtDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DebtInstrumentCarryingAmount", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2404403 - Disclosure - Debt - New Credit Agreement Narrative (Details)", "role": "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails", "shortName": "Debt - New Credit Agreement Narrative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD_us-gaap_LongtermDebtTypeAxis_us-gaap_RevolvingCreditFacilityMember", "decimals": null, "lang": "en-US", "name": "irm:DebtInstrumentCovenantPeriodOfEBITDARForCalculatingRemainingBorrowingCapacity", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R79": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "irm:NumberOfSeriesOfSeniorSubordinatedNotes", "reportCount": 1, "unitRef": "debt_instrument", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2404404 - Disclosure - Debt - Notes Issued Under Indentures Narrative (Details)", "role": "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails", "shortName": "Debt - Notes Issued Under Indentures Narrative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4_us-gaap_LongtermDebtTypeAxis_irm_SeniorNotes4.375Percentdue2021Member", "decimals": "INF", "lang": null, "name": "us-gaap:DebtInstrumentFaceAmount", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R8": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "srt:ScheduleOfCondensedIncomeStatementTableTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:ProfitLoss", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1005000 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS", "role": "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "shortName": "CONSOLIDATED STATEMENTS OF CASH FLOWS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "lang": null, "name": "us-gaap:AdjustmentForAmortization", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R80": { "firstAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:DebtInstrumentRedemptionTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:DebtInstrumentRedemptionPricePercentage", "reportCount": 1, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2404405 - Disclosure - Debt - Redemption Rates (Details)", "role": "http://www.ironmountain.com/role/DebtRedemptionRatesDetails", "shortName": "Debt - Redemption Rates (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "INF", "lang": null, "name": "irm:SeniorSubordinatedNotesRepurchasePricePercentageOfPrincipalAmountPlusAccruedAndUnpaidInterestInEventOfChangeOfControl", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R81": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfDebtInstrumentsTextBlock", "us-gaap:DebtDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DebtInstrumentCarryingAmount", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2404406 - Disclosure - Debt - Australian Dollar Term Loan (Details)", "role": "http://www.ironmountain.com/role/DebtAustralianDollarTermLoanDetails", "shortName": "Debt - Australian Dollar Term Loan (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "D2018Q1AUDTermLoan_us-gaap_LongtermDebtTypeAxis_irm_AustralianDollarTermLoanMember", "decimals": "-3", "lang": null, "name": "irm:DebtInstrumentPeriodicPaymentasaPercentofPrincipal", "reportCount": 1, "unique": true, "unitRef": "aud", "xsiNil": "false" } }, "R82": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "I2018Q3Sep24_us-gaap_DebtInstrumentAxis_irm_UKBilateralRevolvingCreditFacilityMember_us-gaap_LongtermDebtTypeAxis_us-gaap_RevolvingCreditFacilityMember", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity", "reportCount": 1, "unique": true, "unitRef": "Unit19", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2404407 - Disclosure - Debt - UK Bilateral Revolving Credit Facility (Details)", "role": "http://www.ironmountain.com/role/DebtUkBilateralRevolvingCreditFacilityDetails", "shortName": "Debt - UK Bilateral Revolving Credit Facility (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "I2018Q3Sep24_us-gaap_DebtInstrumentAxis_irm_UKBilateralRevolvingCreditFacilityMember_us-gaap_LongtermDebtTypeAxis_us-gaap_RevolvingCreditFacilityMember", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity", "reportCount": 1, "unique": true, "unitRef": "Unit19", "xsiNil": "false" } }, "R83": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "I2017Q3July17_us-gaap_CreditFacilityAxis_us-gaap_SecuredDebtMember_us-gaap_DebtInstrumentAxis_irm_AccountsReceivablesSecuritizationProgramMember", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2404408 - Disclosure - Debt - Accounts Receivable and Mortgage Securitization Program Narrative (Details)", "role": "http://www.ironmountain.com/role/DebtAccountsReceivableAndMortgageSecuritizationProgramNarrativeDetails", "shortName": "Debt - Accounts Receivable and Mortgage Securitization Program Narrative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "I2017Q3July17_us-gaap_CreditFacilityAxis_us-gaap_SecuredDebtMember_us-gaap_DebtInstrumentAxis_irm_AccountsReceivablesSecuritizationProgramMember", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R84": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "irm:CashPoolAgreementNumberOfCashPools", "reportCount": 1, "unique": true, "unitRef": "cash_pool", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2404409 - Disclosure - Debt - Cash Pooling (Details)", "role": "http://www.ironmountain.com/role/DebtCashPoolingDetails", "shortName": "Debt - Cash Pooling (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "irm:CashPoolAgreementNumberOfCashPools", "reportCount": 1, "unique": true, "unitRef": "cash_pool", "xsiNil": "false" } }, "R85": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_LineOfCreditMember", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:LettersOfCreditOutstandingAmount", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2404410 - Disclosure - Debt - Covenant Ratios (Details)", "role": "http://www.ironmountain.com/role/DebtCovenantRatiosDetails", "shortName": "Debt - Covenant Ratios (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_LineOfCreditMember", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:LettersOfCreditOutstandingAmount", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R86": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2404411 - Disclosure - Debt - Maturities of Long Term Debt (Details)", "role": "http://www.ironmountain.com/role/DebtMaturitiesOfLongTermDebtDetails", "shortName": "Debt - Maturities of Long Term Debt (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R87": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:MinorityInterestOwnershipPercentageByParent", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2405402 - Disclosure - Selected Consolidated Financial Statements of Parent, Guarantors, and Non-Guarantors - Additional Information (Details)", "role": "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsAdditionalInformationDetails", "shortName": "Selected Consolidated Financial Statements of Parent, Guarantors, and Non-Guarantors - Additional Information (Details)", "subGroupType": "parenthetical", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:MinorityInterestOwnershipPercentageByParent", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R88": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2405403 - Disclosure - Selected Consolidated Financial Statements of Parent, Guarantors, and Non-Guarantors - Consolidated Balance Sheets (Details)", "role": "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails", "shortName": "Selected Consolidated Financial Statements of Parent, Guarantors, and Non-Guarantors - Consolidated Balance Sheets (Details)", "subGroupType": "parenthetical", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "srt:ScheduleOfCondensedBalanceSheetTableTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "lang": null, "name": "us-gaap:DueFromRelatedPartiesCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R89": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:OperatingLeaseLeaseIncome", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2405404 - Disclosure - Selected Consolidated Financial Statements of Parent, Guarantors, and Non-Guarantors - Consolidated Statement of Operations and Comprehensive Income (Loss) (Details)", "role": "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails", "shortName": "Selected Consolidated Financial Statements of Parent, Guarantors, and Non-Guarantors - Consolidated Statement of Operations and Comprehensive Income (Loss) (Details)", "subGroupType": "parenthetical", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "srt:ScheduleOfCondensedIncomeStatementTableTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "lang": null, "name": "irm:RevenuefromContractwithCustomerExcludingAssessedTaxIntercompany", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R9": { "firstAnchor": null, "groupType": "statement", "isDefault": "false", "longName": "1005501 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)", "role": "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlowsParenthetical", "shortName": "CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)", "subGroupType": "parenthetical", "uniqueAnchor": null }, "R90": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2405405 - Disclosure - Selected Consolidated Financial Statements of Parent, Guarantors, and Non-Guarantors - Consolidated Statement of Cash Flows (Details)", "role": "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails", "shortName": "Selected Consolidated Financial Statements of Parent, Guarantors, and Non-Guarantors - Consolidated Statement of Cash Flows (Details)", "subGroupType": "parenthetical", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2018Q4YTD", "decimals": "-3", "lang": null, "name": "us-gaap:ProceedsFromCollectionOfLongtermLoansToRelatedParties", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R91": { "firstAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:BusinessCombinationDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD_us-gaap_BusinessAcquisitionAxis_irm_StorageandDataManagementCompanyMember", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:NumberOfBusinessesAcquired", "reportCount": 1, "unique": true, "unitRef": "company", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2406402 - Disclosure - Acquisitions - Narrative (Details)", "role": "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails", "shortName": "Acquisitions - Narrative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:BusinessCombinationDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD_us-gaap_BusinessAcquisitionAxis_irm_StorageandDataManagementCompanyMember", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:NumberOfBusinessesAcquired", "reportCount": 1, "unique": true, "unitRef": "company", "xsiNil": "false" } }, "R92": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:BusinessAcquisitionProFormaInformationTextBlock", "us-gaap:BusinessCombinationDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2018Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:BusinessAcquisitionsProFormaRevenue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2406403 - Disclosure - Acquisitions - Pro Forma Financial Information (Details)", "role": "http://www.ironmountain.com/role/AcquisitionsProFormaFinancialInformationDetails", "shortName": "Acquisitions - Pro Forma Financial Information (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:BusinessAcquisitionProFormaInformationTextBlock", "us-gaap:BusinessCombinationDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2018Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:BusinessAcquisitionsProFormaRevenue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R93": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "irm:BusinessCombinationConsiderationTransferredAccruedPurchasePriceandOtherHoldbacks", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2406404 - Disclosure - Acquisitions - Schedule of Purchase Price Allocation (Details)", "role": "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails", "shortName": "Acquisitions - Schedule of Purchase Price Allocation (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD_us-gaap_BusinessAcquisitionAxis_us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember", "decimals": "-3", "lang": null, "name": "us-gaap:PaymentsToAcquireBusinessesGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R94": { "firstAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:IncomeTaxDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2017Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:TaxCutsAndJobsActOf2017TransitionTaxForAccumulatedForeignEarningsIncomeTaxExpense", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2407402 - Disclosure - Income Taxes - Narrative (Details)", "role": "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails", "shortName": "Income Taxes - Narrative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:IncomeTaxDisclosureTextBlock", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2017Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:TaxCutsAndJobsActOf2017TransitionTaxForAccumulatedForeignEarningsIncomeTaxExpense", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R95": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2407403 - Disclosure - Income Taxes - Significant Components To Deferred Tax Assets and Deferred Tax Liabilities (Details)", "role": "http://www.ironmountain.com/role/IncomeTaxesSignificantComponentsToDeferredTaxAssetsAndDeferredTaxLiabilitiesDetails", "shortName": "Income Taxes - Significant Components To Deferred Tax Assets and Deferred Tax Liabilities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R96": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DeferredTaxAssetsLiabilitiesNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2407404 - Disclosure - Income Taxes - Current and Noncurrent Deferred Tax Assets and Liabilities (Details)", "role": "http://www.ironmountain.com/role/IncomeTaxesCurrentAndNoncurrentDeferredTaxAssetsAndLiabilitiesDetails", "shortName": "Income Taxes - Current and Noncurrent Deferred Tax Assets and Liabilities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2019Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DeferredTaxAssetsLiabilitiesNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R97": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2018Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DeferredTaxAssetsValuationAllowance", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2407405 - Disclosure - Income Taxes - Rollforward of Valuation Allowance (Details)", "role": "http://www.ironmountain.com/role/IncomeTaxesRollforwardOfValuationAllowanceDetails", "shortName": "Income Taxes - Rollforward of Valuation Allowance (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:SummaryOfValuationAllowanceTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FI2016Q4_us-gaap_ValuationAllowancesAndReservesTypeAxis_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember", "decimals": "-3", "lang": null, "name": "us-gaap:DeferredTaxAssetsValuationAllowance", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R98": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2407406 - Disclosure - Income Taxes - Components Of Income (Loss) From Continuing Operations (Details)", "role": "http://www.ironmountain.com/role/IncomeTaxesComponentsOfIncomeLossFromContinuingOperationsDetails", "shortName": "Income Taxes - Components Of Income (Loss) From Continuing Operations (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R99": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:CurrentFederalTaxExpenseBenefit", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2407407 - Disclosure - Income Taxes - Income Tax Reconciliation (Details)", "role": "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails", "shortName": "Income Taxes - Income Tax Reconciliation (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "irm201910k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:CurrentFederalTaxExpenseBenefit", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } } }, "segmentCount": 464, "tag": { "country_AU": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "AUSTRALIA", "terseLabel": "Australia" } } }, "localname": "AU", "nsuri": "http://xbrl.sec.gov/country/2017-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndAssetInformationByGeographyAndServiceLineDetails" ], "xbrltype": "domainItemType" }, "country_CA": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "CANADA", "terseLabel": "Canada" } } }, "localname": "CA", "nsuri": "http://xbrl.sec.gov/country/2017-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndAssetInformationByGeographyAndServiceLineDetails" ], "xbrltype": "domainItemType" }, "country_GB": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "UNITED KINGDOM", "verboseLabel": "United Kingdom" } } }, "localname": "GB", "nsuri": "http://xbrl.sec.gov/country/2017-01-31", "presentation": [ "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndAssetInformationByGeographyAndServiceLineDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLongLivedAssetsDetails" ], "xbrltype": "domainItemType" }, "country_US": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "UNITED STATES", "terseLabel": "United States" } } }, "localname": "US", "nsuri": "http://xbrl.sec.gov/country/2017-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndAssetInformationByGeographyAndServiceLineDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLongLivedAssetsDetails" ], "xbrltype": "domainItemType" }, "currency_AllCurrenciesDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "All Currencies [Domain]", "terseLabel": "All Currencies [Domain]" } } }, "localname": "AllCurrenciesDomain", "nsuri": "http://xbrl.sec.gov/currency/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails" ], "xbrltype": "domainItemType" }, "currency_CAD": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Canada, Dollars", "terseLabel": "CAD" } } }, "localname": "CAD", "nsuri": "http://xbrl.sec.gov/currency/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails" ], "xbrltype": "domainItemType" }, "currency_EUR": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Euro Member Countries, Euro", "terseLabel": "Euro" } } }, "localname": "EUR", "nsuri": "http://xbrl.sec.gov/currency/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails" ], "xbrltype": "domainItemType" }, "currency_USD": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "United States of America, Dollars", "terseLabel": "USD" } } }, "localname": "USD", "nsuri": "http://xbrl.sec.gov/currency/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails" ], "xbrltype": "domainItemType" }, "dei_AmendmentFlag": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.", "label": "Amendment Flag", "terseLabel": "Amendment Flag" } } }, "localname": "AmendmentFlag", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_CityAreaCode": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Area code of city", "label": "City Area Code", "terseLabel": "City Area Code" } } }, "localname": "CityAreaCode", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_CoverAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Cover page.", "label": "Cover page." } } }, "localname": "CoverAbstract", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "xbrltype": "stringItemType" }, "dei_CurrentFiscalYearEndDate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "End date of current fiscal year in the format --MM-DD.", "label": "Current Fiscal Year End Date", "terseLabel": "Current Fiscal Year End Date" } } }, "localname": "CurrentFiscalYearEndDate", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "gMonthDayItemType" }, "dei_DocumentAnnualReport": { "auth_ref": [ "r643" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true only for a form used as an annual report.", "label": "Document Annual Report", "terseLabel": "Document Annual Report" } } }, "localname": "DocumentAnnualReport", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_DocumentFiscalPeriodFocus": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Fiscal period values are FY, Q1, Q2, and Q3. 1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.", "label": "Document Fiscal Period Focus", "terseLabel": "Document Fiscal Period Focus" } } }, "localname": "DocumentFiscalPeriodFocus", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "fiscalPeriodItemType" }, "dei_DocumentFiscalYearFocus": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "This is focus fiscal year of the document report in CCYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.", "label": "Document Fiscal Year Focus", "terseLabel": "Document Fiscal Year Focus" } } }, "localname": "DocumentFiscalYearFocus", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "gYearItemType" }, "dei_DocumentPeriodEndDate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.", "label": "Document Period End Date", "terseLabel": "Document Period End Date" } } }, "localname": "DocumentPeriodEndDate", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "dateItemType" }, "dei_DocumentTransitionReport": { "auth_ref": [ "r642" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true only for a form used as a transition report.", "label": "Document Transition Report", "terseLabel": "Document Transition Report" } } }, "localname": "DocumentTransitionReport", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_DocumentType": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.", "label": "Document Type", "terseLabel": "Document Type" } } }, "localname": "DocumentType", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "submissionTypeItemType" }, "dei_DocumentsIncorporatedByReferenceTextBlock": { "auth_ref": [ "r640" ], "lang": { "en-US": { "role": { "documentation": "Documents incorporated by reference.", "label": "Documents Incorporated by Reference [Text Block]", "terseLabel": "Documents Incorporated by Reference" } } }, "localname": "DocumentsIncorporatedByReferenceTextBlock", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "textBlockItemType" }, "dei_EntityAddressAddressLine1": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Address Line 1 such as Attn, Building Name, Street Name", "label": "Entity Address, Address Line One", "terseLabel": "Entity Address, Address Line One" } } }, "localname": "EntityAddressAddressLine1", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressCityOrTown": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Name of the City or Town", "label": "Entity Address, City or Town", "terseLabel": "Entity Address, City or Town" } } }, "localname": "EntityAddressCityOrTown", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressPostalZipCode": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Code for the postal or zip code", "label": "Entity Address, Postal Zip Code", "terseLabel": "Entity Address, Postal Zip Code" } } }, "localname": "EntityAddressPostalZipCode", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressStateOrProvince": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Name of the state or province.", "label": "Entity Address, State or Province", "terseLabel": "Entity Address, State or Province" } } }, "localname": "EntityAddressStateOrProvince", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "stateOrProvinceItemType" }, "dei_EntityCentralIndexKey": { "auth_ref": [ "r644" ], "lang": { "en-US": { "role": { "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.", "label": "Entity Central Index Key", "terseLabel": "Entity Central Index Key" } } }, "localname": "EntityCentralIndexKey", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "centralIndexKeyItemType" }, "dei_EntityCommonStockSharesOutstanding": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.", "label": "Entity Common Stock, Shares Outstanding", "terseLabel": "Entity Common Stock, Shares Outstanding" } } }, "localname": "EntityCommonStockSharesOutstanding", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "sharesItemType" }, "dei_EntityCurrentReportingStatus": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.", "label": "Entity Current Reporting Status", "terseLabel": "Entity Current Reporting Status" } } }, "localname": "EntityCurrentReportingStatus", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "yesNoItemType" }, "dei_EntityDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "All the names of the entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains.", "label": "Entity [Domain]", "terseLabel": "Entity [Domain]" } } }, "localname": "EntityDomain", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails" ], "xbrltype": "domainItemType" }, "dei_EntityEmergingGrowthCompany": { "auth_ref": [ "r644" ], "lang": { "en-US": { "role": { "documentation": "Indicate if registrant meets the emerging growth company criteria.", "label": "Entity Emerging Growth Company", "terseLabel": "Emerging Growth Company" } } }, "localname": "EntityEmergingGrowthCompany", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_EntityFileNumber": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.", "label": "Entity File Number", "terseLabel": "Entity File Number" } } }, "localname": "EntityFileNumber", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "fileNumberItemType" }, "dei_EntityFilerCategory": { "auth_ref": [ "r644" ], "lang": { "en-US": { "role": { "documentation": "Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.", "label": "Entity Filer Category", "terseLabel": "Entity Filer Category" } } }, "localname": "EntityFilerCategory", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "filerCategoryItemType" }, "dei_EntityIncorporationStateCountryCode": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Two-character EDGAR code representing the state or country of incorporation.", "label": "Entity Incorporation, State or Country Code", "terseLabel": "Entity Incorporation, State or Country Code" } } }, "localname": "EntityIncorporationStateCountryCode", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "edgarStateCountryItemType" }, "dei_EntityInteractiveDataCurrent": { "auth_ref": [ "r646" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).", "label": "Entity Interactive Data Current", "terseLabel": "Entity Interactive Data Current" } } }, "localname": "EntityInteractiveDataCurrent", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "yesNoItemType" }, "dei_EntityPublicFloat": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.", "label": "Entity Public Float", "terseLabel": "Entity Public Float" } } }, "localname": "EntityPublicFloat", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "monetaryItemType" }, "dei_EntityRegistrantName": { "auth_ref": [ "r644" ], "lang": { "en-US": { "role": { "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.", "label": "Entity Registrant Name", "terseLabel": "Entity Registrant Name" } } }, "localname": "EntityRegistrantName", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityShellCompany": { "auth_ref": [ "r644" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.", "label": "Entity Shell Company", "terseLabel": "Entity Shell Company" } } }, "localname": "EntityShellCompany", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_EntitySmallBusiness": { "auth_ref": [ "r644" ], "lang": { "en-US": { "role": { "documentation": "Indicates that the company is a Smaller Reporting Company (SRC).", "label": "Entity Small Business", "terseLabel": "Entity Small Business" } } }, "localname": "EntitySmallBusiness", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_EntityTaxIdentificationNumber": { "auth_ref": [ "r644" ], "lang": { "en-US": { "role": { "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.", "label": "Entity Tax Identification Number", "terseLabel": "Entity Tax Identification Number" } } }, "localname": "EntityTaxIdentificationNumber", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "employerIdItemType" }, "dei_EntityVoluntaryFilers": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.", "label": "Entity Voluntary Filers", "terseLabel": "Entity Voluntary Filers" } } }, "localname": "EntityVoluntaryFilers", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "yesNoItemType" }, "dei_EntityWellKnownSeasonedIssuer": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A.", "label": "Entity Well-known Seasoned Issuer", "terseLabel": "Entity Well-known Seasoned Issuer" } } }, "localname": "EntityWellKnownSeasonedIssuer", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "yesNoItemType" }, "dei_LegalEntityAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The set of legal entities associated with a report.", "label": "Legal Entity [Axis]", "terseLabel": "Legal Entity [Axis]" } } }, "localname": "LegalEntityAxis", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails" ], "xbrltype": "stringItemType" }, "dei_LocalPhoneNumber": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Local phone number for entity.", "label": "Local Phone Number", "terseLabel": "Local Phone Number" } } }, "localname": "LocalPhoneNumber", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_Security12bTitle": { "auth_ref": [ "r639" ], "lang": { "en-US": { "role": { "documentation": "Title of a 12(b) registered security.", "label": "Title of 12(b) Security", "terseLabel": "Title of 12(b) Security" } } }, "localname": "Security12bTitle", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "securityTitleItemType" }, "dei_SecurityExchangeName": { "auth_ref": [ "r641" ], "lang": { "en-US": { "role": { "documentation": "Name of the Exchange on which a security is registered.", "label": "Security Exchange Name", "terseLabel": "Security Exchange Name" } } }, "localname": "SecurityExchangeName", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "edgarExchangeCodeItemType" }, "dei_TradingSymbol": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Trading symbol of an instrument as listed on an exchange.", "label": "Trading Symbol", "terseLabel": "Trading Symbol" } } }, "localname": "TradingSymbol", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CoverPage" ], "xbrltype": "tradingSymbolItemType" }, "irm_A1SerangoonNorthAvenue6Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "1 Serangoon North Avenue 6 [Member]", "label": "1 Serangoon North Avenue 6 [Member]", "terseLabel": "1 Serangoon North Avenue 6, Singapore" } } }, "localname": "A1SerangoonNorthAvenue6Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_A2235CessnaDriveBurlingtonNorthCarolinaMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2235 Cessna Drive, Burlington, North Carolina [Member]", "label": "2235 Cessna Drive, Burlington, North Carolina [Member]", "terseLabel": "2235 Cessna Drive, Burlington, North Carolina" } } }, "localname": "A2235CessnaDriveBurlingtonNorthCarolinaMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_A2301InternationalParkwayFredricksburgVirginiaMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2301 International Parkway, Fredricksburg, Virginia [Member]", "label": "2301 International Parkway, Fredricksburg, Virginia [Member]", "terseLabel": "2301 International Parkway, Fredericksburg, Virginia" } } }, "localname": "A2301InternationalParkwayFredricksburgVirginiaMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_A231JohnsonAveNewarkNewJerseyMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "231 Johnson Ave, Newark, New Jersey [Member]", "label": "231 Johnson Ave, Newark, New Jersey [Member]", "terseLabel": "231 Johnson Ave, Newark, New Jersey" } } }, "localname": "A231JohnsonAveNewarkNewJerseyMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_A2600BeverlyDriveLincolnIllinoisMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2600 Beverly Drive, Lincoln, Illinois [Member]", "label": "2600 Beverly Drive, Lincoln, Illinois [Member]", "terseLabel": "2600 Beverly Drive, Lincoln, Illinois" } } }, "localname": "A2600BeverlyDriveLincolnIllinoisMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_A26ParkwayDrivefka133PleasantScarboroughMaineMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "26 Parkway Drive (fka 133 Pleasant), Scarborough, Maine [Member]", "label": "26 Parkway Drive (fka 133 Pleasant), Scarborough, Maine [Member]", "terseLabel": "26 Parkway Drive (fka 133 Pleasant), Scarborough, Maine" } } }, "localname": "A26ParkwayDrivefka133PleasantScarboroughMaineMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_A3725ThirlaneRd.N.W.RoanokeVirginiaMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "3725 Thirlane Rd. N.W., Roanoke, Virginia [Member]", "label": "3725 Thirlane Rd. N.W., Roanoke, Virginia [Member]", "terseLabel": "3725 Thirlane Rd. N.W., Roanoke, Virginia" } } }, "localname": "A3725ThirlaneRd.N.W.RoanokeVirginiaMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_A38300PlymouthRoadLivoniaMichiganMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "38300 Plymouth Road, Livonia, Michigan [Member]", "label": "38300 Plymouth Road, Livonia, Michigan [Member]", "terseLabel": "38300 Plymouth Road, Livonia, Michigan" } } }, "localname": "A38300PlymouthRoadLivoniaMichiganMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_A560IrvineTurnerBlvdNewarkNewJerseyMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "560 Irvine Turner Blvd, Newark, New Jersey [Member]", "label": "560 Irvine Turner Blvd, Newark, New Jersey [Member]", "terseLabel": "560 Irvine Turner Blvd, Newark, New Jersey" } } }, "localname": "A560IrvineTurnerBlvdNewarkNewJerseyMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_A6NorwichStreetSouthLauncestonAustraliaMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "6 Norwich Street, South Launceston, Australia [Member]", "label": "6 Norwich Street, South Launceston, Australia [Member]", "terseLabel": "6 Norwich Street, South Launceston, Australia" } } }, "localname": "A6NorwichStreetSouthLauncestonAustraliaMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_A7800WestparkHoustonTexasMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "7800 Westpark, Houston, Texas [Member]", "label": "7800 Westpark, Houston, Texas [Member]", "terseLabel": "7800 Westpark, Houston, Texas" } } }, "localname": "A7800WestparkHoustonTexasMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_AbantoCiervavaSpainMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member Abanto Ciervava, Spain", "label": "Abanto Ciervava Spain [Member]", "terseLabel": "Abanto Ciervava, Spain" } } }, "localname": "AbantoCiervavaSpainMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_AberdeenScotlandHowemossDrMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Aberdeen Scotland Howemoss Dr [Member]", "label": "Aberdeen Scotland Howemoss Dr [Member]", "terseLabel": "Howemoss Drive, Aberdeen, Scotland" } } }, "localname": "AberdeenScotlandHowemossDrMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_AccountsReceivablesSecuritizationProgramMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Accounts Receivables Securitization Program [Member]", "label": "Accounts Receivables Securitization Program [Member]", "terseLabel": "Accounts Receivable Securitization Program" } } }, "localname": "AccountsReceivablesSecuritizationProgramMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtAccountsReceivableAndMortgageSecuritizationProgramNarrativeDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "irm_AccruedDividends": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPrepaidExpensesAndAccruedExpensesDetails": { "order": 3.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The amount of cash dividends accrued in current liabilities.", "label": "Accrued Dividends", "terseLabel": "Dividend" } } }, "localname": "AccruedDividends", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPrepaidExpensesAndAccruedExpensesDetails" ], "xbrltype": "monetaryItemType" }, "irm_AccumulatedDepreciationCapitalLeases": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails": { "order": 3.0, "parentTag": "irm_AccumulatedDepreciationReconcilingItems", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Accumulated Depreciation, Capital Leases", "label": "Accumulated Depreciation, Capital Leases", "terseLabel": "Accumulated Depreciation, Financing Leases" } } }, "localname": "AccumulatedDepreciationCapitalLeases", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "irm_AccumulatedDepreciationNonRealEstateAssets": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails": { "order": 1.0, "parentTag": "irm_AccumulatedDepreciationReconcilingItems", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Accumulated Depreciation, Non-Real Estate Assets", "label": "Accumulated Depreciation, Non-Real Estate Assets", "terseLabel": "Accumulated Depreciation, Non-Real Estate Assets" } } }, "localname": "AccumulatedDepreciationNonRealEstateAssets", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "irm_AccumulatedDepreciationRackingInLeaseFacilities": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails": { "order": 2.0, "parentTag": "irm_AccumulatedDepreciationReconcilingItems", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Accumulated Depreciation, Racking In Lease Facilities", "label": "Accumulated Depreciation, Racking In Lease Facilities", "terseLabel": "Accumulated Depreciation, Racking In Lease Facilities" } } }, "localname": "AccumulatedDepreciationRackingInLeaseFacilities", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "irm_AccumulatedDepreciationReconcilingItems": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails": { "order": 2.0, "parentTag": "us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Accumulated Depreciation, Reconciling Items", "label": "Accumulated Depreciation, Reconciling Items", "totalLabel": "Accumulated Depreciation, Reconciling Items" } } }, "localname": "AccumulatedDepreciationReconcilingItems", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "irm_Adjustedearningsbeforeinterestexpensenetprovisionbenefitforincometaxesdepreciationandamortization": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents income (loss) from continuing operations before interest expense, net, provision (benefit) for income taxes, depreciation and amortization, and excludes loss (gain) on disposal/write-down of property, plant and equipment (excluding real estate), net; intangible impairments; other expense (income), net; gain on sale of real estate, net of tax; Recall Costs; and REIT Costs.", "label": "Adjusted earnings before interest expense, net, provision (benefit)for income taxes, depreciation and amortization", "terseLabel": "Adjusted EBITDA" } } }, "localname": "Adjustedearningsbeforeinterestexpensenetprovisionbenefitforincometaxesdepreciationandamortization", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SegmentInformationReconciliationOfAdjustedEbitdaToIncomeLossFromContinuingOperationsDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails" ], "xbrltype": "monetaryItemType" }, "irm_AdjustmentstoAdditionalPaidinCapitalChangeinValueofRedeemableNoncontrollingInterests": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Adjustments to Additional Paid in Capital, Change in Value of Redeemable Noncontrolling Interests", "label": "Adjustments to Additional Paid in Capital, Change in Value of Redeemable Noncontrolling Interests", "negatedTerseLabel": "Change in value of redeemable noncontrolling interests (see Note 2.v.)" } } }, "localname": "AdjustmentstoAdditionalPaidinCapitalChangeinValueofRedeemableNoncontrollingInterests", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "irm_AlcaladeHenaresSpainMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Alcala de Henares Spain [Member]", "label": "Alcala de Henares Spain [Member]", "terseLabel": "Av Madrid s/n Poligono Industrial Matillas, Alcala de Henares, Spain" } } }, "localname": "AlcaladeHenaresSpainMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_AllocatedShareBasedCompensationExpenseEarningsPerShareBasicAndDiluted": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Impact of stock-based compensation expense on basic and diluted earnings per share.", "label": "Allocated Share Based Compensation Expense Earnings Per Share, Basic and Diluted", "terseLabel": "Stock-based compensation expense per basic and diluted share (in dollars per share)" } } }, "localname": "AllocatedShareBasedCompensationExpenseEarningsPerShareBasicAndDiluted", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "perShareItemType" }, "irm_AmortizationExpenseChargedToRevenuesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the amortization expense that is charged to revenues.", "label": "Amortization Expense Charged To Revenues [Member]", "terseLabel": "Amortization Expense Charged To Revenues" } } }, "localname": "AmortizationExpenseChargedToRevenuesMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "irm_AmortizationExpenseIncludedInDepreciationAndAmortizationMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the amortization expense that is included in depreciation and amortization.", "label": "Amortization Expense Included In Depreciation And Amortization [Member]", "terseLabel": "Included in Depreciation and Amortization" } } }, "localname": "AmortizationExpenseIncludedInDepreciationAndAmortizationMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "irm_AmortizationofPermanentWithdrawalFees": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 6.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amortization of Permanent Withdrawal Fees", "label": "Amortization of Permanent Withdrawal Fees", "terseLabel": "Revenue reduction associated with amortization of permanent withdrawal fees and above- and below-market leases (see Note 2.i.)" } } }, "localname": "AmortizationofPermanentWithdrawalFees", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "irm_ArgentinaFireMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to losses resulting from the Argentina fire.", "label": "Argentina Fire [Member]", "terseLabel": "Argentina Fire" } } }, "localname": "ArgentinaFireMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails" ], "xbrltype": "domainItemType" }, "irm_ArtStorageCompanyMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Art Storage Company [Member]", "label": "Art Storage Company [Member]", "terseLabel": "Art Storage Company" } } }, "localname": "ArtStorageCompanyMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "irm_AshlandVa11052LakeridgePkwyMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 11052 Lakeridge Pkwy, Ashland, Virginia.", "label": "Ashland Va11052 Lakeridge Pkwy [Member]", "terseLabel": "11052 Lakeridge Pkwy, Ashland, Virginia" } } }, "localname": "AshlandVa11052LakeridgePkwyMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_AsiaReportingUnitMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to the Asia reporting unit of entity", "label": "Asia Reporting Unit [Member]", "terseLabel": "Asia" } } }, "localname": "AsiaReportingUnitMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails" ], "xbrltype": "domainItemType" }, "irm_AssetsAndLiabilitiesLesseeTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Assets And Liabilities, Lessee [Table Text Block]", "label": "Assets And Liabilities, Lessee [Table Text Block]", "terseLabel": "Schedule of operating and financing lease right-of-use assets and lease liabilities" } } }, "localname": "AssetsAndLiabilitiesLesseeTableTextBlock", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "irm_AssetsNoncurrentExcludingPropertyPlantAndEquipmentNet": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer excluding property, plant and equipment.", "label": "Assets, Noncurrent, Excluding Property, Plant and Equipment, Net", "terseLabel": "Total Other Assets, Net", "totalLabel": "Total Other Assets, Net" } } }, "localname": "AssetsNoncurrentExcludingPropertyPlantAndEquipmentNet", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails" ], "xbrltype": "monetaryItemType" }, "irm_AssetsNoncurrentExcludingPropertyPlantAndEquipmentNetAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "", "label": "Assets, Noncurrent, Excluding Property, Plant and Equipment, Net [Abstract]", "terseLabel": "Other Assets, Net:", "verboseLabel": "Other Assets, Net:" } } }, "localname": "AssetsNoncurrentExcludingPropertyPlantAndEquipmentNetAbstract", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "stringItemType" }, "irm_AtTheMarketATMEquityProgramMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "At The Market (ATM) Equity Program [Member]", "label": "At The Market (ATM) Equity Program [Member]", "terseLabel": "At The Market (ATM) Equity Program" } } }, "localname": "AtTheMarketATMEquityProgramMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity", "http://www.ironmountain.com/role/StockholdersEquityMattersAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "irm_AtlantaGa1890MacarthurBlvdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 1890 MacArthur Blvd, Atlanta, Georgia.", "label": "Atlanta Ga1890 Macarthur Blvd [Member]", "terseLabel": "1890 MacArthur Blvd, Atlanta Georgia" } } }, "localname": "AtlantaGa1890MacarthurBlvdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_AtlantaGa3881OldGordonRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 3881 Old Gordon Rd, Atlanta, Georgia.", "label": "Atlanta Ga3881 Old Gordon Rd [Member]", "terseLabel": "3881 Old Gordon Rd, Atlanta, Georgia" } } }, "localname": "AtlantaGa3881OldGordonRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_AtlantaGa5319TulaneDriveSwMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 5319 Tulane Drive SW, Atlanta, Georgia.", "label": "Atlanta Ga5319 Tulane Drive Sw [Member]", "terseLabel": "5319 Tulane Drive SW, Atlanta, Georgia" } } }, "localname": "AtlantaGa5319TulaneDriveSwMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_AuroraCo3576N.MolineMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 3576 N. Moline, Aurora, Colorado", "label": "Aurora Co3576 N. Moline [Member]", "terseLabel": "3576 N. Moline, Aurora, Colorado" } } }, "localname": "AuroraCo3576N.MolineMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_AustinTx11406MetricBlvdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 11406 Metric Blvd, Austin, Texas.", "label": "Austin Tx11406 Metric Blvd [Member]", "terseLabel": "11406 Metric Blvd, Austin, Texas" } } }, "localname": "AustinTx11406MetricBlvdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_AustinTx6600MetropolisDriveMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Austin Tx6600 Metropolis Drive [Member]", "label": "Austin Tx6600 Metropolis Drive [Member]", "terseLabel": "6600 Metropolis Drive, Austin, Texas" } } }, "localname": "AustinTx6600MetropolisDriveMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_AustinsFerry8WhitestoneDriveMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 8 Whitestone Drive, Austins Ferry.", "label": "Austins Ferry8 Whitestone Drive [Member]", "terseLabel": "8 Whitestone Drive, Austins Ferry, Australia" } } }, "localname": "AustinsFerry8WhitestoneDriveMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_AustraliaNewZealandAndSouthAfricaMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Australia, New Zealand And South Africa [Member]", "label": "Australia, New Zealand And South Africa [Member]", "terseLabel": "ANZ SA" } } }, "localname": "AustraliaNewZealandAndSouthAfricaMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails" ], "xbrltype": "domainItemType" }, "irm_AustralianDollarTermLoanMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Australian Dollar Term Loan [Member]", "label": "Australian Dollar Term Loan [Member]", "terseLabel": "Australian Dollar Term Loan" } } }, "localname": "AustralianDollarTermLoanMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtAustralianDollarTermLoanDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "irm_Av.ElmerFaucett3462LimaPeruMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member Av. Elmer Faucett 3462 , Lima, Peru", "label": "Av. Elmer Faucett3462 Lima Peru [Member]", "terseLabel": "Av. Elmer Faucett 3462, Lima, Peru" } } }, "localname": "Av.ElmerFaucett3462LimaPeruMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_AvenidaProlongacionDelColli1104GuadalajaraMexicoMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member Avenida Prolongacion del Colli 1104, Guadalajara, Mexico", "label": "Avenida Prolongacion Del Colli1104 Guadalajara Mexico [Member]", "terseLabel": "Avenida Prolongacion del Colli 1104, Guadalajara, Mexico" } } }, "localname": "AvenidaProlongacionDelColli1104GuadalajaraMexicoMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_BBSYMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "BBSY [Member]", "label": "BBSY [Member]", "terseLabel": "BBSY" } } }, "localname": "BBSYMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtAustralianDollarTermLoanDetails" ], "xbrltype": "domainItemType" }, "irm_BairroFimdoCampoJarinuBrazilAvErnestdeMoraes815Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Bairro Fim do Campo Jarinu Brazil Av Ernest de Moraes 815 [Member]", "label": "Bairro Fim do Campo Jarinu Brazil Av Ernest de Moraes 815 [Member]", "terseLabel": "Av Ernest de Moraes 815, Bairro Fim do Campo, Jarinu Brazil" } } }, "localname": "BairroFimdoCampoJarinuBrazilAvErnestdeMoraes815Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_BangkokThailandIC169Moo2Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Bangkok ThailandIC1 69 Moo 2 [Member]", "label": "Bangkok ThailandIC1 69 Moo 2 [Member]", "terseLabel": "IC1 69 Moo 2, Soi Wat Namdaeng, Bangkok, Thailand" } } }, "localname": "BangkokThailandIC169Moo2Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_BasisOfGrantOfPerformanceUnitsAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by basis of grant of performance units.", "label": "Basis of Grant of Performance Units [Axis]", "terseLabel": "Basis of Grant of Performance Units [Axis]" } } }, "localname": "BasisOfGrantOfPerformanceUnitsAxis", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "stringItemType" }, "irm_BasisOfGrantOfPerformanceUnitsDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Description of basis of grant of performance units.", "label": "Basis Of Grant Of Performance Units [Domain]", "terseLabel": "Basis of Grant of Performance Units [Domain]" } } }, "localname": "BasisOfGrantOfPerformanceUnitsDomain", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "irm_BedfordOneCommandCourtHalifaxMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to One Command Court [Halifax], Bedford.", "label": "Bedford One Command Court Halifax [Member]", "terseLabel": "One Command Court, Bedford" } } }, "localname": "BedfordOneCommandCourtHalifaxMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_BennettRdSuffieldConnecticutMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Bennett Rd, Suffield, Connecticut.", "label": "Bennett Rd Suffield Connecticut [Member]", "terseLabel": "Bennett Rd, Suffield, Connecticut" } } }, "localname": "BennettRdSuffieldConnecticutMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_BillericaMa96HighStMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 96 High St, Billerica, Massachusetts.", "label": "Billerica Ma96 High St [Member]", "terseLabel": "96 High St, Billerica, Massachusetts" } } }, "localname": "BillericaMa96HighStMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_BinnewaterRdRosendaleNewYorkMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member Binnewater Rd, Rosendale, New York", "label": "Binnewater Rd Rosendale New York [Member]", "terseLabel": "Binnewater Rd, Rosendale, New York" } } }, "localname": "BinnewaterRdRosendaleNewYorkMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_Birmingham65EgertonRoadMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 65 Egerton Road, Birmingham.", "label": "Birmingham65 Egerton Road [Member]", "terseLabel": "65 Egerton Road, Birmingham, England" } } }, "localname": "Birmingham65EgertonRoadMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_BirminghamAl140OxmoorCtMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 140 Oxmoor Ct, Birmingham, Alabama.", "label": "Birmingham Al140 Oxmoor Ct [Member]", "terseLabel": "140 Oxmoor Ct, Birmingham, Alabama" } } }, "localname": "BirminghamAl140OxmoorCtMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_BogorIndonesiaJalanKarangganMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Bogor Indonesia Jalan Karanggan [Member]", "label": "Bogor Indonesia Jalan Karanggan [Member]", "terseLabel": "Jalan Karanggan Muda Raya No 59, Bogor Indonesia" } } }, "localname": "BogorIndonesiaJalanKarangganMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_BondedTransactionMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Bonded Transaction [Member]", "label": "Bonded Transaction [Member]", "terseLabel": "Bonded Transaction" } } }, "localname": "BondedTransactionMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "irm_BookValueofOther": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails": { "order": 4.0, "parentTag": "irm_RealEstateGrossReconcilingItems", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Book Value of Other", "label": "Book Value of Other", "terseLabel": "Book value of other" } } }, "localname": "BookValueofOther", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "irm_BookValueofRackingIncludedinLeasedFacilities": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails": { "order": 1.0, "parentTag": "irm_RealEstateGrossReconcilingItems", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Book Value of Racking Included in Leased Facilities", "label": "Book Value of Racking Included in Leased Facilities", "terseLabel": "Book value of racking included in leased facilities" } } }, "localname": "BookValueofRackingIncludedinLeasedFacilities", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "irm_BookvalueCapitalLeases": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails": { "order": 2.0, "parentTag": "irm_RealEstateGrossReconcilingItems", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Book value Capital Leases", "label": "Book value Capital Leases", "terseLabel": "Book value of financing leases" } } }, "localname": "BookvalueCapitalLeases", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "irm_BorrowingsUnderCashPools": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Borrowings Under Cash Pools", "label": "Borrowings Under Cash Pools", "terseLabel": "Debit Balances Under Cash Pool" } } }, "localname": "BorrowingsUnderCashPools", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "irm_BorrowingspaymentsUnderCashPools": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Borrowings (payments) Under Cash Pools", "label": "Borrowings (payments) Under Cash Pools", "negatedTerseLabel": "Debit balances (payments) under cash pools" } } }, "localname": "BorrowingspaymentsUnderCashPools", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "irm_BostonMa120HampdenStMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 120 Hampden St, Boston, Massachusetts.", "label": "Boston Ma120 Hampden St [Member]", "terseLabel": "120 Hampden St, Boston, Massachusetts" } } }, "localname": "BostonMa120HampdenStMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_BostonMa32GeorgeStMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 32 George St, Boston, Massachusetts.", "label": "Boston Ma32 George St [Member]", "terseLabel": "32 George St, Boston, Massachusetts" } } }, "localname": "BostonMa32GeorgeStMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_Brampton10TilburyCourtMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 10 Tilbury Court, Brampton.", "label": "Brampton10 Tilbury Court [Member]", "terseLabel": "10 Tilbury Court, Brampton" } } }, "localname": "Brampton10TilburyCourtMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_Brampton195SummerleaRoadMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 195 Summerlea Road, Brampton.", "label": "Brampton195 Summerlea Road [Member]", "terseLabel": "195 Summerlea Road, Brampton" } } }, "localname": "Brampton195SummerleaRoadMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_BranchtonRdBoyersPennsylvaniaMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member Branchton Rd, Boyers, Pennsylvania", "label": "Branchton Rd Boyers Pennsylvania [Member]", "terseLabel": "Branchton Rd, Boyers, Pennsylvania" } } }, "localname": "BranchtonRdBoyersPennsylvaniaMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_BrooklynFireMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Brooklyn Fire [Member]", "label": "Brooklyn Fire [Member]", "terseLabel": "Insurance Claims" } } }, "localname": "BrooklynFireMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "irm_BuenosAiresAmancioAlcorta2396Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Amancio Alcorta 2396, Buenos Aires.", "label": "Buenos Aires Amancio Alcorta2396 [Member]", "terseLabel": "Amancio Alcorta 2396, Buenos Aires, Argentina" } } }, "localname": "BuenosAiresAmancioAlcorta2396Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_BuenosAiresAzara1245Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Azara 1245, Buenos Aires.", "label": "Buenos Aires Azara1245 [Member]", "terseLabel": "Azara 1245, Buenos Aires, Argentina" } } }, "localname": "BuenosAiresAzara1245Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_BuffaloNy100BaileyAveMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 100 Bailey Ave, Buffalo, New York.", "label": "Buffalo Ny100 Bailey Ave [Member]", "terseLabel": "100 Bailey Ave, Buffalo, New York" } } }, "localname": "BuffaloNy100BaileyAveMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_BurienWa307South140thStMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 307 South 140th St, Burien, Washington.", "label": "Burien Wa307 South140th St [Member]", "terseLabel": "307 South 140th St, Burien, Washington" } } }, "localname": "BurienWa307South140thStMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_Burnaby8088GlenwoodDriveMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 415 Brick Church Park Dr, Nashville, Tennessee.", "label": "Burnaby8088 Glenwood Drive [Member]", "terseLabel": "8088 Glenwood Drive, Burnaby" } } }, "localname": "Burnaby8088GlenwoodDriveMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_Burnaby8825NorthbrookCourtMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 8825 Northbrook Court, Burnaby.", "label": "Burnaby8825 Northbrook Court [Member]", "terseLabel": "8825 Northbrook Court, Burnaby" } } }, "localname": "Burnaby8825NorthbrookCourtMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsCustomerRelationship": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails": { "order": 4.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of acquisition cost of a business combination allocated to customer relationship assets that will be amortized.", "label": "Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets, Customer Relationship", "terseLabel": "Customer Relationship Intangible Assets" } } }, "localname": "BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsCustomerRelationship", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "monetaryItemType" }, "irm_BusinessCombinationConsiderationTransferredAccruedPurchasePriceandOtherHoldbacks": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Business Combination, Consideration Transferred, Accrued Purchase Price and Other Holdbacks", "label": "Business Combination, Consideration Transferred, Accrued Purchase Price and Other Holdbacks", "terseLabel": "Accrued Purchase Price and Other Holdbacks (see Note 6)" } } }, "localname": "BusinessCombinationConsiderationTransferredAccruedPurchasePriceandOtherHoldbacks", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails", "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "irm_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedDataCenterBelowMarketLeases": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails": { "order": 12.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Data Center Below Market Leases", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Data Center Below Market Leases", "negatedTerseLabel": "Data Center Below-Market Leases" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedDataCenterBelowMarketLeases", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "monetaryItemType" }, "irm_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedDataCenterInPlaceLeases": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails": { "order": 5.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Data Center In-Place Leases", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Data Center In-Place Leases", "verboseLabel": "Data Center In-Place Leases" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedDataCenterInPlaceLeases", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "monetaryItemType" }, "irm_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedDataCenterTenantRelationships": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails": { "order": 6.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Data Center Tenant Relationships", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Data Center Tenant Relationships", "terseLabel": "Data Center Tenant Relationships" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedDataCenterTenantRelationships", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "monetaryItemType" }, "irm_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedDatacenterAboveMarketLeases": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails": { "order": 7.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Data center Above-Market Leases", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Data center Above-Market Leases", "netLabel": "Data Center Above-Market Leases" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedDatacenterAboveMarketLeases", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "monetaryItemType" }, "irm_BusinessCombinationSeparatelyRecognizedTransactionsExpensesAndLossesRecognizedAcquisitionCostsIncurredtoDate": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Business Combination Separately Recognized Transactions Expenses And Losses Recognized, Acquisition Costs Incurred to Date", "label": "Business Combination Separately Recognized Transactions Expenses And Losses Recognized, Acquisition Costs Incurred to Date", "terseLabel": "Operating expenditures" } } }, "localname": "BusinessCombinationSeparatelyRecognizedTransactionsExpensesAndLossesRecognizedAcquisitionCostsIncurredtoDate", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "irm_CAD5.375PercentSeniorNotesdue2023Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "CAD 5.375 Percent Senior Notes due 2023 [Member]", "label": "CAD 5.375 Percent Senior Notes due 2023 [Member]", "terseLabel": "CAD 5.375 Percent Senior Notes due 2023" } } }, "localname": "CAD5.375PercentSeniorNotesdue2023Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails", "http://www.ironmountain.com/role/DebtRedemptionRatesDetails" ], "xbrltype": "domainItemType" }, "irm_CAD6PercentSeniorNotesDue2020Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "CAD 6 Percent Senior Notes Due 2020 [Member]", "label": "CAD 6 Percent Senior Notes Due 2020 [Member]", "terseLabel": "CAD 6 Percent Senior Notes Due 2020" } } }, "localname": "CAD6PercentSeniorNotesDue2020Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails" ], "xbrltype": "domainItemType" }, "irm_CADSeniorNotes5.375Percentdue2023Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "CAD Senior Notes 5.375 Percent due 2023 [Member]", "label": "CAD Senior Notes 5.375 Percent due 2023 [Member]", "terseLabel": "CAD 5.375 Percent Senior Notes due 2023" } } }, "localname": "CADSeniorNotes5.375Percentdue2023Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "irm_CADSeniorNotes6.125PercentDue2021Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to the CAD senior notes having an interest rate of 6.125 percent, due in 2021.", "label": "C A D Senior Notes6.125 Percent Due2021 [Member]", "terseLabel": "CAD Notes" } } }, "localname": "CADSeniorNotes6.125PercentDue2021Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails" ], "xbrltype": "domainItemType" }, "irm_Calgary581126thStreetS.e.Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 5811 26th Street S.E., Calgary.", "label": "Calgary581126th Street S.e. [Member]", "terseLabel": "5811 26th Street S.E., Calgary" } } }, "localname": "Calgary581126thStreetS.e.Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_CalleLosClavelesSeccion3LimaPeruMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member Calle Los Claveles-Seccion 3, Lima, Peru", "label": "Calle Los Claveles Seccion3 Lima Peru [Member]", "terseLabel": "Calle Los Claveles-Seccion 3, Lima, Peru" } } }, "localname": "CalleLosClavelesSeccion3LimaPeruMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_CanadaCompanyMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Iron Mountain Canada Corporation.", "label": "Canada Company [Member]", "terseLabel": "Canada Company" } } }, "localname": "CanadaCompanyMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails" ], "xbrltype": "domainItemType" }, "irm_CapitalGainsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Capital Gains [Member]", "label": "Capital Gains [Member]", "terseLabel": "Capital gains" } } }, "localname": "CapitalGainsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/StockholdersEquityMattersAdditionalInformationDetails", "http://www.ironmountain.com/role/StockholdersEquityMattersClassificationOfDividendsPaidDetails" ], "xbrltype": "domainItemType" }, "irm_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPaymentsExcludingCommonAreaMaintenanceCosts": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance and taxes.", "label": "Capital Leases Future Minimum Payments Present Value of Net Minimum Payments Excluding Common Area Maintenance Costs", "totalLabel": "Present value of lease obligations" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPaymentsExcludingCommonAreaMaintenanceCosts", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "irm_CapitalizedContractCostAmortizationExpenseNextTwelveMonths": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Capitalized Contract Cost, Amortization Expense, Next Twelve Months", "label": "Capitalized Contract Cost, Amortization Expense, Next Twelve Months", "terseLabel": "2020" } } }, "localname": "CapitalizedContractCostAmortizationExpenseNextTwelveMonths", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueEstimatedAmortizationExpenseForContractFulfillmentCostsDetails" ], "xbrltype": "monetaryItemType" }, "irm_CapitalizedContractCostAmortizationExpenseYearThree": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Capitalized Contract Cost, Amortization Expense, Year Three", "label": "Capitalized Contract Cost, Amortization Expense, Year Three", "terseLabel": "2022" } } }, "localname": "CapitalizedContractCostAmortizationExpenseYearThree", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueEstimatedAmortizationExpenseForContractFulfillmentCostsDetails" ], "xbrltype": "monetaryItemType" }, "irm_CapitalizedContractCostAmortizationExpenseYearTwo": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Capitalized Contract Cost, Amortization Expense, Year Two", "label": "Capitalized Contract Cost, Amortization Expense, Year Two", "terseLabel": "2021" } } }, "localname": "CapitalizedContractCostAmortizationExpenseYearTwo", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueEstimatedAmortizationExpenseForContractFulfillmentCostsDetails" ], "xbrltype": "monetaryItemType" }, "irm_CarrolltonTx1800ColumbianClubDrMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 1800 Columbian Club Dr, Carrollton, Texas.", "label": "Carrollton Tx1800 Columbian Club Dr [Member]", "terseLabel": "1800 Columbian Club Dr, Carrolton, Texas" } } }, "localname": "CarrolltonTx1800ColumbianClubDrMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_CarrolltonTx1905JohnConnallyDrMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 1905 John Connally Dr, Carrollton, Texas.", "label": "Carrollton Tx1905 John Connally Dr [Member]", "terseLabel": "1905 John Connally Dr, Carrolton, Texas" } } }, "localname": "CarrolltonTx1905JohnConnallyDrMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_CarrolltonTxCapitalParkwayMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Carrollton Tx Capital Parkway [Member]", "label": "Carrollton Tx Capital Parkway [Member]", "terseLabel": "Capital Parkway, Carrollton, Texas" } } }, "localname": "CarrolltonTxCapitalParkwayMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_CaryNc14500WestonPkwyMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 14500 Weston Pkwy, Cary, North Carolina.", "label": "Cary Nc14500 Weston Pkwy [Member]", "terseLabel": "14500 Weston Pkwy, Cary, North Carolina" } } }, "localname": "CaryNc14500WestonPkwyMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_CashPoolAgreementBorrowingsMaximum": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Cash Pool Agreement, Borrowings, Maximum", "label": "Cash Pool Agreement, Borrowings, Maximum", "terseLabel": "Gross Cash Position" } } }, "localname": "CashPoolAgreementBorrowingsMaximum", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtCashPoolingDetails" ], "xbrltype": "monetaryItemType" }, "irm_CashPoolAgreementCashPositionNet": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Cash Pool Agreement, Cash Position, Net", "label": "Cash Pool Agreement, Cash Position, Net", "terseLabel": "Net Cash Position" } } }, "localname": "CashPoolAgreementCashPositionNet", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtCashPoolingDetails" ], "xbrltype": "monetaryItemType" }, "irm_CashPoolAgreementNumberOfCashPools": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Cash Pool Agreement, Number Of Cash Pools", "label": "Cash Pool Agreement, Number Of Cash Pools", "terseLabel": "Number of cash pools" } } }, "localname": "CashPoolAgreementNumberOfCashPools", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtCashPoolingDetails" ], "xbrltype": "integerItemType" }, "irm_CashPoolAgreementOutstandingBorrowings": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Cash Pool Agreement, Outstanding Borrowings", "label": "Cash Pool Agreement, Outstanding Borrowings", "negatedTerseLabel": "Outstanding Debit Balances" } } }, "localname": "CashPoolAgreementOutstandingBorrowings", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtCashPoolingDetails" ], "xbrltype": "monetaryItemType" }, "irm_ChangeInRevenueDueToChangeInForeignExchangeRates": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents the amount of change in revenue attributable to unfavorable (favorable) changes in foreign exchange rates.", "label": "Change in Revenue Due To Change in Foreign Exchange Rates", "terseLabel": "Increase in gains (losses) on foreign currency transactions" } } }, "localname": "ChangeInRevenueDueToChangeInForeignExchangeRates", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails" ], "xbrltype": "monetaryItemType" }, "irm_CheneyWa8908W.HallettRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 8908 W. Hallett Rd, Cheney, Washington.", "label": "Cheney Wa8908 W. Hallett Rd [Member]", "terseLabel": "8908 W. Hallett Rd, Cheney, Washington" } } }, "localname": "CheneyWa8908W.HallettRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_ChepachetRi24SnakeHillRoadMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 24 Snake Hill Road, Chepachet, Rhode Island.", "label": "Chepachet Ri24 Snake Hill Road [Member]", "terseLabel": "24 Snake Hill Road, Chepachet, Rhode Island" } } }, "localname": "ChepachetRi24SnakeHillRoadMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_ChesterNy64LeoneLnMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 64 Leone Ln, Chester, New York.", "label": "Chester Ny64 Leone Ln [Member]", "terseLabel": "64 Leone Ln, Chester, New York" } } }, "localname": "ChesterNy64LeoneLnMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_ChicagoIl1301S.RockwellStMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 1301 S. Rockwell St, Chicago, Illinois.", "label": "Chicago Il1301 S. Rockwell St [Member]", "terseLabel": "1301 S. Rockwell St, Chicago, Illinois" } } }, "localname": "ChicagoIl1301S.RockwellStMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_ChicagoIl2211W.PershingRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 2211 W. Pershing Rd, Chicago, Illinois.", "label": "Chicago Il2211 W. Pershing Rd [Member]", "terseLabel": "2211 W. Pershing Rd, Chicago, Illinois" } } }, "localname": "ChicagoIl2211W.PershingRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_ChicagoIl2425SouthHalstedStMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 2425 South Halsted St, Chicago, Illinois.", "label": "Chicago Il2425 South Halsted St [Member]", "terseLabel": "2425 South Halsted St, Chicago, Illinois" } } }, "localname": "ChicagoIl2425SouthHalstedStMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_ChicagoIl2604West13thStMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 2604 West 13th St, Chicago, Illinois.", "label": "Chicago Il2604 West13th St [Member]", "terseLabel": "2604 West 13th St, Chicago, Illinois" } } }, "localname": "ChicagoIl2604West13thStMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_ChilechesSpainCalleBronceMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Chileches Spain Calle Bronce [Member]", "label": "Chileches Spain Calle Bronce [Member]", "terseLabel": "Calle Bronce, 37, Chiloeches, Spain" } } }, "localname": "ChilechesSpainCalleBronceMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_ClevelandOh1275East40thMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 1275 East 40th, Cleveland, Ohio.", "label": "Cleveland Oh1275 East40th [Member]", "terseLabel": "1275 East 40th, Cleveland, Ohio" } } }, "localname": "ClevelandOh1275East40thMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_ClevelandOh7208EuclidAvenueMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 7208 Euclid Avenue, Cleveland, Ohio.", "label": "Cleveland Oh7208 Euclid Avenue [Member]", "terseLabel": "7208 Euclid Avenue, Cleveland, Ohio" } } }, "localname": "ClevelandOh7208EuclidAvenueMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_CockrellAveDallasTexasMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member Cockrell Ave, Dallas, Texas", "label": "Cockrell Ave Dallas Texas [Member]", "terseLabel": "Cockrell Ave, Dallas, Texas" } } }, "localname": "CockrellAveDallasTexasMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_CodyRoadLondonUnitedKingdomMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represent member Cody Road, London, United Kingdom", "label": "Cody Road London United Kingdom [Member]", "terseLabel": "Cody Road, London, England" } } }, "localname": "CodyRoadLondonUnitedKingdomMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_CoignieresFranceBatIVIIRuedeOsiersMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Coignieres France, Bat I-VII Rue de Osiers [Member]", "label": "Coignieres France, Bat I-VII Rue de Osiers [Member]", "terseLabel": "Bat I-VII Rue de Osiers, Coignieres, France" } } }, "localname": "CoignieresFranceBatIVIIRuedeOsiersMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_ColoradoSpringsCo3116NorthStoneAveMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 3116 North Stone Ave, Colorado Springs, Colorado", "label": "Colorado Springs Co3116 North Stone Ave [Member]", "terseLabel": "North Stone Ave, Colorado Springs, Colorado" } } }, "localname": "ColoradoSpringsCo3116NorthStoneAveMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_ColumbiaMd8928McgawCtMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 8928 McGaw Ct, Columbia, Maryland.", "label": "Columbia Md8928 Mcgaw Ct [Member]", "terseLabel": "8928 McGaw Ct, Columbia, Maryland" } } }, "localname": "ColumbiaMd8928McgawCtMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_ColumbiaSc1061CarolinaPinesRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Columbia Sc1061 Carolina Pines Rd [Member]", "label": "Columbia Sc1061 Carolina Pines Rd [Member]", "terseLabel": "1061 Carolina Pines Road, Columbia, South Carolina" } } }, "localname": "ColumbiaSc1061CarolinaPinesRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_CommissionsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Commissions [Member]", "label": "Commissions [Member]", "netLabel": "Capitalized commissions asset", "terseLabel": "Commissions asset", "verboseLabel": "Third-party commissions asset and other finite-lived intangible assets" } } }, "localname": "CommissionsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueAmortizationExpenseAssociatedWithCommissionsAssetAndIntakeCostsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueContractFulfillmentCostsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueNarrativeDetails" ], "xbrltype": "domainItemType" }, "irm_ComputerHardwareAndSoftwareMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Long-lived, depreciable assets that are used in the creation, maintenance and utilization of information systems and capitalized costs of purchased software applications.", "label": "Computer Hardware And Software [Member]", "terseLabel": "Computer hardware and software" } } }, "localname": "ComputerHardwareAndSoftwareMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "irm_ConcentrationOfRiskMaximumInvestmentLimitPerFinancialInstitution": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents the maximum investment limit in any one financial institution as per entity's risk management investment policy.", "label": "Concentration of Risk Maximum Investment Limit Per Financial Institution", "terseLabel": "Maximum investment limit in any one financial institution" } } }, "localname": "ConcentrationOfRiskMaximumInvestmentLimitPerFinancialInstitution", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesConcentrationOfCreditRiskDetails" ], "xbrltype": "monetaryItemType" }, "irm_ConcentrationRiskNumberOfGlobalBanks": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the number of global banks with cash, cash equivalent and restricted cash held on deposit if disclosed as a concentration risk.", "label": "Concentration Risk, Number of Global Banks", "terseLabel": "Number of global banks with cash, cash equivalent and restricted cash held on deposit" } } }, "localname": "ConcentrationRiskNumberOfGlobalBanks", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesConcentrationOfCreditRiskDetails" ], "xbrltype": "integerItemType" }, "irm_ConcentrationRiskNumberOfTripleARatedMoneyMarketFunds": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the number of \"Triple A\" rated money market funds with cash, cash equivalent and restricted cash held on deposit, if disclosed as a concentration risk.", "label": "Concentration Risk, Number of \"Triple A\" Rated Money Market Funds", "terseLabel": "Number of \"Triple A\" rated money market funds with cash, cash equivalent and restricted cash held on deposit" } } }, "localname": "ConcentrationRiskNumberOfTripleARatedMoneyMarketFunds", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesConcentrationOfCreditRiskDetails" ], "xbrltype": "integerItemType" }, "irm_ConsumerStorageMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to the Consumer Storage reporting unit of the entity.", "label": "Consumer Storage [Member]", "terseLabel": "Consumer Storage" } } }, "localname": "ConsumerStorageMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails" ], "xbrltype": "domainItemType" }, "irm_ContractTerm": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Contract, Term", "label": "Contract, Term", "terseLabel": "Contract term" } } }, "localname": "ContractTerm", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueNarrativeDetails" ], "xbrltype": "durationItemType" }, "irm_ContractWithCustomerFutureAmortizationExpenseTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Contract With Customer, Future Amortization Expense [Table Text Block]", "label": "Contract With Customer, Future Amortization Expense [Table Text Block]", "terseLabel": "Contract with customer, future amortization expense" } } }, "localname": "ContractWithCustomerFutureAmortizationExpenseTableTextBlock", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "irm_ContractwithCustomerAssetAccumulatedAmortization": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueContractFulfillmentCostsDetails": { "order": 2.0, "parentTag": "us-gaap_ContractWithCustomerAssetNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Contract with Customer, Asset, Accumulated Amortization", "label": "Contract with Customer, Asset, Accumulated Amortization", "negatedTerseLabel": "Accumulated Amortization" } } }, "localname": "ContractwithCustomerAssetAccumulatedAmortization", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueContractFulfillmentCostsDetails" ], "xbrltype": "monetaryItemType" }, "irm_Corby278LongCroftRoadMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Corby278 Long Croft Road [Member]", "label": "Corby278 Long Croft Road [Member]", "terseLabel": "Corby 278, Long Croft Road, Corby, England" } } }, "localname": "Corby278LongCroftRoadMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_CorkWarehouseAndOffices4SpringhillMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Warehouse and Offices 4 Springhill, Cork.", "label": "Cork Warehouse And Offices4 Springhill [Member]", "terseLabel": "Warehouse and Offices 4 Springhill, Cork, Ireland" } } }, "localname": "CorkWarehouseAndOffices4SpringhillMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_CorrectionInPresentationMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Correction In Presentation [Member]", "label": "Correction In Presentation [Member]", "terseLabel": "Correction In Presentation" } } }, "localname": "CorrectionInPresentationMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfEffectOfChangesInPresentationDetails" ], "xbrltype": "domainItemType" }, "irm_CountyRd10LinlithgoNewYorkMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member County Rd 10 , Linlithgo, New York", "label": "County Rd10 Linlithgo New York [Member]", "terseLabel": "County Rd 10, Linlithgo, New York" } } }, "localname": "CountyRd10LinlithgoNewYorkMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_CragTerrace17DublinIrelandMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Member 17 Crag Terrace, Dublin, Ireland", "label": "Crag Terrace17 Dublin Ireland [Member]", "terseLabel": "17 Crag Terrace, Dublin, Ireland" } } }, "localname": "CragTerrace17DublinIrelandMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_CreditSuisseDataCenterAcquisitionMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Credit Suisse Data Center Acquisition [Member]", "label": "Credit Suisse Data Center Acquisition [Member]", "terseLabel": "Credit Suisse Data Center Acquisition" } } }, "localname": "CreditSuisseDataCenterAcquisitionMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "irm_CustomerInducementsCurrentRecordManagementVendorOrPaymentsToCustomersMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Customer Inducements, Current Record Management Vendor Or Payments To Customers [Member]", "label": "Customer Inducements, Current Record Management Vendor Or Payments To Customers [Member]", "terseLabel": "Customer Inducements, Current Record Management Vendor Or Payments To Customers" } } }, "localname": "CustomerInducementsCurrentRecordManagementVendorOrPaymentsToCustomersMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "irm_CustomerInducementsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Customer Inducements [Member]", "label": "Customer Inducements [Member]", "terseLabel": "Customer Inducements" } } }, "localname": "CustomerInducementsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "irm_CustomerRelationshipsCustomerInducementsDataCenterAndThirdPartyCommissionsAssetMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Customer Relationships, Customer Inducements, Data Center And Third-Party Commissions Asset [Member]", "label": "Customer Relationships, Customer Inducements, Data Center And Third-Party Commissions Asset [Member]", "terseLabel": "Customer Relationships, Customer Inducements and Data Center" } } }, "localname": "CustomerRelationshipsCustomerInducementsDataCenterAndThirdPartyCommissionsAssetMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "irm_DallasTx13425BranchviewLnMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 13425 Branchview Ln, Dallas, Texas.", "label": "Dallas Tx13425 Branchview Ln [Member]", "terseLabel": "13425 Branchview Ln, Dallas, Texas" } } }, "localname": "DallasTx13425BranchviewLnMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_DallasTx1819S.LamarStMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 415 Brick Church Park Dr, Nashville, Tennessee.", "label": "Dallas Tx1819 S. Lamar St [Member]", "terseLabel": "1819 S. Lamar St, Dallas, Texas" } } }, "localname": "DallasTx1819S.LamarStMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_DataCenterAboveMarketLeasesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Data Center Above Market Leases [Member]", "label": "Data Center Above Market Leases [Member]", "terseLabel": "Data center above-market leases", "verboseLabel": "Data Center Above Market Leases" } } }, "localname": "DataCenterAboveMarketLeasesMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "irm_DataCenterAboveandBelowMarketLeasesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Data Center Above and Below Market Leases [Member]", "label": "Data Center Above and Below Market Leases [Member]", "terseLabel": "Data center above-market leases and data center below-market leases" } } }, "localname": "DataCenterAboveandBelowMarketLeasesMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "irm_DataCenterBelowMarketLeasesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Data Center Below Market Leases [Member]", "label": "Data Center Below Market Leases [Member]", "terseLabel": "Data Center Below Market Leases", "verboseLabel": "Data center below-market leases" } } }, "localname": "DataCenterBelowMarketLeasesMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "irm_DataCenterCustomerRelationshipsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Data Center Customer Relationships [Member]", "label": "Data Center Customer Relationships [Member]", "terseLabel": "Data center tenant relationships" } } }, "localname": "DataCenterCustomerRelationshipsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "irm_DataCenterMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Data Center", "label": "Data Center [Member]", "terseLabel": "Data Center", "verboseLabel": "Data center lease-based intangible assets" } } }, "localname": "DataCenterMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SegmentInformationRevenueAndAssetInformationByGeographyAndServiceLineDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "irm_DataManagementMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to data management product or service that generates revenues for the entity.", "label": "Data Management [Member]", "terseLabel": "Data Management" } } }, "localname": "DataManagementMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SegmentInformationRevenueAndAssetInformationByGeographyAndServiceLineDetails" ], "xbrltype": "domainItemType" }, "irm_DebtInstrumentCovenantIndentureLeverageRatioMaximum": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Debt Instrument Covenant, Indenture, Leverage Ratio Maximum", "label": "Debt Instrument Covenant, Indenture, Leverage Ratio Maximum", "terseLabel": "Maximum allowable leverage ratio under indentures pertaining to senior and senior subordinated notes" } } }, "localname": "DebtInstrumentCovenantIndentureLeverageRatioMaximum", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtCovenantRatiosDetails" ], "xbrltype": "pureItemType" }, "irm_DebtInstrumentCovenantIndenturesBondLeverageRatio": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The bond leverage ratio, per the indentures, at the end of the reporting period.", "label": "Debt Instrument, Covenant Indentures Bond, Leverage Ratio", "terseLabel": "Bond leverage ratio (not lease adjusted)" } } }, "localname": "DebtInstrumentCovenantIndenturesBondLeverageRatio", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtCovenantRatiosDetails" ], "xbrltype": "pureItemType" }, "irm_DebtInstrumentCovenantLineOfCreditAndTermLeverageRatioPeriodEnd": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Revolving credit and term leverage ratio at the end of the reporting period.", "label": "Debt Instrument, Covenant Line of Credit and Term, Leverage Ratio, Period End", "terseLabel": "Net total lease adjusted leverage ratio" } } }, "localname": "DebtInstrumentCovenantLineOfCreditAndTermLeverageRatioPeriodEnd", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtCovenantRatiosDetails" ], "xbrltype": "pureItemType" }, "irm_DebtInstrumentCovenantLineOfCreditAndTermLoanFixedChargeCoverageRatio": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the entity's revolving credit and term loan fixed charge coverage ratio at the end of the reporting period.", "label": "Debt Instrument Covenant, Line of Credit and Term Loan Fixed Charge, Coverage Ratio", "terseLabel": "Fixed charge coverage ratio" } } }, "localname": "DebtInstrumentCovenantLineOfCreditAndTermLoanFixedChargeCoverageRatio", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtCovenantRatiosDetails" ], "xbrltype": "pureItemType" }, "irm_DebtInstrumentCovenantLineOfCreditAndTermLoanNetSecuredDebtLeaseAdjustedLeverageRatio": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the entity's revolving credit and term loan, net secured debt lease adjusted leverage ratio at the end of the reporting period.", "label": "Debt Instrument, Covenant Line of Credit and Term Loan Net Secured Debt Lease Adjusted Leverage Ratio", "terseLabel": "Net secured debt lease adjusted leverage ratio" } } }, "localname": "DebtInstrumentCovenantLineOfCreditAndTermLoanNetSecuredDebtLeaseAdjustedLeverageRatio", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtCovenantRatiosDetails" ], "xbrltype": "pureItemType" }, "irm_DebtInstrumentCovenantPeriodOfEBITDARForCalculatingRemainingBorrowingCapacity": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the period of earnings before interest, taxes, depreciation, amortization and rent expense (EBITDAR) for calculation of remaining borrowing capacity under the credit facility.", "label": "Debt Instrument Covenant Period of EBITDAR for Calculating Remaining Borrowing Capacity", "terseLabel": "Period of earnings before interest, taxes, depreciation, amortization and rent expense (EBITDAR) for calculation of remaining borrowing capacity" } } }, "localname": "DebtInstrumentCovenantPeriodOfEBITDARForCalculatingRemainingBorrowingCapacity", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails" ], "xbrltype": "durationItemType" }, "irm_DebtInstrumentOptionalAdditionalCommitments": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the option available for the Company to request additional commitments.", "label": "Debt Instrument, Optional Additional Commitments", "terseLabel": "Optional additional commitments" } } }, "localname": "DebtInstrumentOptionalAdditionalCommitments", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "irm_DebtInstrumentParPercentage": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Debt Instrument, Par, Percentage", "label": "Debt Instrument, Par, Percentage", "terseLabel": "Par" } } }, "localname": "DebtInstrumentParPercentage", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtAustralianDollarTermLoanDetails", "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails", "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails" ], "xbrltype": "percentItemType" }, "irm_DebtInstrumentPercentageOfCapitalStockPledgedToSecureDebt": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The percentage of capital stock or other equity interests of the first tier foreign subsidiaries of the entity that are pledged to secure certain debt instruments.", "label": "Debt Instrument, Percentage of Capital Stock Pledged to Secure Debt", "terseLabel": "Capital stock of subsidiaries pledged to secure debt (as a percent)" } } }, "localname": "DebtInstrumentPercentageOfCapitalStockPledgedToSecureDebt", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "percentItemType" }, "irm_DebtInstrumentPeriodicPaymentasaPercentofPrincipal": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents the amount of payments due as a percentage of the original principal amount.", "label": "Debt Instrument, Periodic Payment as a Percent of Principal", "terseLabel": "Amount of quarterly installments based on the original principal" } } }, "localname": "DebtInstrumentPeriodicPaymentasaPercentofPrincipal", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtAustralianDollarTermLoanDetails", "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "irm_DebtInstrumentRedemptionPeriodEightMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Period eight representing the eighth most current period of debt redemption features under terms of the debt agreement.", "label": "Debt Instrument Redemption Period Eight [Member]", "terseLabel": "Redemption date 2026" } } }, "localname": "DebtInstrumentRedemptionPeriodEightMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtRedemptionRatesDetails" ], "xbrltype": "domainItemType" }, "irm_DebtInstrumentRedemptionPeriodNineMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Period nine representing the ninth most current period of debt redemption features under terms of the debt agreement.", "label": "Debt Instrument Redemption Period Nine [Member]", "terseLabel": "Redemption date 2027" } } }, "localname": "DebtInstrumentRedemptionPeriodNineMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtRedemptionRatesDetails" ], "xbrltype": "domainItemType" }, "irm_DebtInstrumentRedemptionPeriodSevenMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Period seven representing the seventh most current period of debt redemption features under terms of the debt agreement.", "label": "Debt Instrument Redemption Period Seven [Member]", "terseLabel": "Redemption date 2025" } } }, "localname": "DebtInstrumentRedemptionPeriodSevenMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtRedemptionRatesDetails" ], "xbrltype": "domainItemType" }, "irm_DebtInstrumentRedemptionPeriodSixMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Period six representing the sixth most current period of debt redemption features under terms of the debt agreement.", "label": "Debt Instrument Redemption Period Six [Member]", "terseLabel": "Redemption date 2024" } } }, "localname": "DebtInstrumentRedemptionPeriodSixMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtRedemptionRatesDetails" ], "xbrltype": "domainItemType" }, "irm_DebtInstrumentRedemptionPeriodTenMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Period ten representing the tenth most current period of debt redemption features under terms of the debt agreement.", "label": "Debt Instrument Redemption Period Ten [Member]", "terseLabel": "Redemption date 2028" } } }, "localname": "DebtInstrumentRedemptionPeriodTenMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtRedemptionRatesDetails" ], "xbrltype": "domainItemType" }, "irm_DebtinstrumentRedemptionPeriodElevenMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Period eleven representing the eleventh most current period of debt redemption features under terms of the debt agreement.", "label": "Debt instrument, Redemption, Period Eleven [Member]", "terseLabel": "Redemption date 2029" } } }, "localname": "DebtinstrumentRedemptionPeriodElevenMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtRedemptionRatesDetails" ], "xbrltype": "domainItemType" }, "irm_DecreaseinIncomeTaxExpenseBenefit": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Decrease in Income Tax Expense (Benefit)", "label": "Decrease in Income Tax Expense (Benefit)", "negatedTerseLabel": "Decrease in tax provision" } } }, "localname": "DecreaseinIncomeTaxExpenseBenefit", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails" ], "xbrltype": "monetaryItemType" }, "irm_DeferredFinancingCostsAmortizationExpenseAfterYearFive": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Deferred Financing Costs, Amortization Expense, After Year Five", "label": "Deferred Financing Costs, Amortization Expense, After Year Five", "terseLabel": "Thereafter" } } }, "localname": "DeferredFinancingCostsAmortizationExpenseAfterYearFive", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesDeferredFinancingCostsDetails" ], "xbrltype": "monetaryItemType" }, "irm_DeferredFinancingCostsAmortizationExpenseNextTwelveMonths": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Deferred Financing Costs, Amortization Expense, Next Twelve Months", "label": "Deferred Financing Costs, Amortization Expense, Next Twelve Months", "terseLabel": "2020" } } }, "localname": "DeferredFinancingCostsAmortizationExpenseNextTwelveMonths", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesDeferredFinancingCostsDetails" ], "xbrltype": "monetaryItemType" }, "irm_DeferredFinancingCostsAmortizationExpenseRollingMaturityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Deferred Financing Costs, Amortization Expense, Rolling Maturity [Abstract]", "label": "Deferred Financing Costs, Amortization Expense, Rolling Maturity [Abstract]", "terseLabel": "Deferred Financing Costs, Amortization Expense, Rolling Maturity [Abstract]" } } }, "localname": "DeferredFinancingCostsAmortizationExpenseRollingMaturityAbstract", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesDeferredFinancingCostsDetails" ], "xbrltype": "stringItemType" }, "irm_DeferredFinancingCostsAmortizationExpenseYearFive": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Deferred Financing Costs, Amortization Expense, Year Five", "label": "Deferred Financing Costs, Amortization Expense, Year Five", "terseLabel": "2024" } } }, "localname": "DeferredFinancingCostsAmortizationExpenseYearFive", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesDeferredFinancingCostsDetails" ], "xbrltype": "monetaryItemType" }, "irm_DeferredFinancingCostsAmortizationExpenseYearFour": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Deferred Financing Costs, Amortization Expense, Year Four", "label": "Deferred Financing Costs, Amortization Expense, Year Four", "terseLabel": "2023" } } }, "localname": "DeferredFinancingCostsAmortizationExpenseYearFour", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesDeferredFinancingCostsDetails" ], "xbrltype": "monetaryItemType" }, "irm_DeferredFinancingCostsAmortizationExpenseYearThree": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Deferred Financing Costs, Amortization Expense, Year Three", "label": "Deferred Financing Costs, Amortization Expense, Year Three", "terseLabel": "2022" } } }, "localname": "DeferredFinancingCostsAmortizationExpenseYearThree", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesDeferredFinancingCostsDetails" ], "xbrltype": "monetaryItemType" }, "irm_DeferredFinancingCostsAmortizationExpenseYearTwo": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Deferred Financing Costs, Amortization Expense, Year Two", "label": "Deferred Financing Costs, Amortization Expense, Year Two", "terseLabel": "2021" } } }, "localname": "DeferredFinancingCostsAmortizationExpenseYearTwo", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesDeferredFinancingCostsDetails" ], "xbrltype": "monetaryItemType" }, "irm_DeferredTaxAssetsTaxFederalBenefitOfUnrecognizedTaxBenefits": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesSignificantComponentsToDeferredTaxAssetsAndDeferredTaxLiabilitiesDetails": { "order": 3.0, "parentTag": "us-gaap_DeferredTaxAssetsNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from federal benefit of unrecognized tax benefits.", "label": "Deferred Tax Assets Tax Federal Benefit of Unrecognized Tax Benefits", "terseLabel": "Federal benefit of unrecognized tax benefits" } } }, "localname": "DeferredTaxAssetsTaxFederalBenefitOfUnrecognizedTaxBenefits", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesSignificantComponentsToDeferredTaxAssetsAndDeferredTaxLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "irm_DenverCo11333E53rdAvenueMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 11333 E 53rd Avenue, Denver, Colorado.", "label": "Denver Co11333 E53rd Avenue [Member]", "terseLabel": "11333 E 53rd Ave, Denver, Colorado" } } }, "localname": "DenverCo11333E53rdAvenueMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_DenverCo4300BrightonBoulevardMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Denver Co4300 Brighton Boulevard [Member]", "label": "Denver Co4300 Brighton Boulevard [Member]", "terseLabel": "4300 Brighton Boulevard, Denver, Colorado" } } }, "localname": "DenverCo4300BrightonBoulevardMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_DenverCo5151E.46thAveMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 5151 E. 46th Ave, Denver, Colorado", "label": "Denver Co5151 E.46th Ave [Member]", "terseLabel": "5151 E. 46th Ave, Denver, Colorado" } } }, "localname": "DenverCo5151E.46thAveMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_DesMoinesIa6090Ne14thStreetMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 6090 NE 14th Street, Des Moines, Iowa.", "label": "Des Moines Ia6090 Ne14th Street [Member]", "terseLabel": "6090 NE 14th Street, Des Moines, Iowa" } } }, "localname": "DesMoinesIa6090Ne14thStreetMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_DiegemWoluwelaan147Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Woluwelaan 147, Diegem.", "label": "Diegem Woluwelaan147 [Member]", "terseLabel": "Woluwelaan 147, Diegem, Belgium" } } }, "localname": "DiegemWoluwelaan147Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_DightonMa3435SharpsLotRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 3435 Sharps Lot Rd, Dighton, Massachusetts", "label": "Dighton Ma3435 Sharps Lot Rd [Member]", "terseLabel": "3435 Sharps Lot Rd, Dighton, Massachusetts" } } }, "localname": "DightonMa3435SharpsLotRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_DisposalGroupCumulativeTranslationAdjustment": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Disposal Group, Cumulative Translation Adjustment", "label": "Disposal Group, Cumulative Translation Adjustment", "verboseLabel": "Cumulative translation adjustment" } } }, "localname": "DisposalGroupCumulativeTranslationAdjustment", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "irm_DisposalGroupIncludingDiscontinuedOperationNetAssetsExcludingGoodwill": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Disposal Group, Including Discontinued Operation, Net Assets Excluding Goodwill", "label": "Disposal Group, Including Discontinued Operation, Net Assets Excluding Goodwill", "terseLabel": "Carrying value of net assets excluding goodwill" } } }, "localname": "DisposalGroupIncludingDiscontinuedOperationNetAssetsExcludingGoodwill", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "irm_DisposalGroupIncludingDiscontinuedOperationPostClosingAdjustment": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Disposal Group, Including Discontinued Operation, Post-Closing Adjustment", "label": "Disposal Group, Including Discontinued Operation, Post-Closing Adjustment", "terseLabel": "Charge related to resolution of post-closing adjustment to Access Contingent Consideration" } } }, "localname": "DisposalGroupIncludingDiscontinuedOperationPostClosingAdjustment", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails" ], "xbrltype": "monetaryItemType" }, "irm_DublinDamastownIndustrialParkMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Damastown Industrial Park, Dublin.", "label": "Dublin Damastown Industrial Park [Member]", "terseLabel": "Damastown Industrial Park, Dublin, Ireland" } } }, "localname": "DublinDamastownIndustrialParkMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_DublinOh4260TullerRidgeRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 4260 Tuller Ridge Rd, Dublin, Ohio.", "label": "Dublin Oh4260 Tuller Ridge Rd [Member]", "terseLabel": "4260 Tuller Ridge Rd, Dublin, Ohio" } } }, "localname": "DublinOh4260TullerRidgeRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_EarthCityMo3140RyderTrailSouthMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 3140 Ryder Trail South, Earth City, Missouri.", "label": "Earth City Mo3140 Ryder Trail South [Member]", "terseLabel": "3140 Ryder Trail South, Earth City, Missouri" } } }, "localname": "EarthCityMo3140RyderTrailSouthMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_EastBrunsickNJKimberlyRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "East Brunsick NJ Kimberly Rd [Member]", "label": "East Brunsick NJ Kimberly Rd [Member]", "terseLabel": "Kimberly Rd, East Brunsick, New Jersey" } } }, "localname": "EastBrunsickNJKimberlyRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_EastHartfordCt20EasternParkRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 20 Eastern Park Rd, East Hartford, Connecticut.", "label": "East Hartford Ct20 Eastern Park Rd [Member]", "terseLabel": "20 Eastern Park Rd, East Hartford, Connecticut" } } }, "localname": "EastHartfordCt20EasternParkRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_EdisonNJ3003WoodbridgeAveMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Edison NJ3003 Woodbridge Ave [Member]", "label": "Edison NJ3003 Woodbridge Ave [Member]", "terseLabel": "3003 Woodbridge Avenue, Edison, New Jersey" } } }, "localname": "EdisonNJ3003WoodbridgeAveMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_Edmonton3905101StreetMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 3905 - 101 Street, Edmonton.", "label": "Edmonton3905101 Street [Member]", "terseLabel": "3905-101 Street, Edmonton" } } }, "localname": "Edmonton3905101StreetMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_ElTaqueral99SantiagoChileMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member El Taqueral 99, Santiago, Chile", "label": "El Taqueral99 Santiago Chile [Member]", "terseLabel": "El Taqueral 99, Santiago, Chile" } } }, "localname": "ElTaqueral99SantiagoChileMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_ElkGroveIl2255PrattBlvdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 2255 Pratt Blvd, Elk Grove, Illinois.", "label": "Elk Grove Il2255 Pratt Blvd [Member]", "terseLabel": "2255 Pratt Blvd, Elk Grove, Illinois" } } }, "localname": "ElkGroveIl2255PrattBlvdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_EmployeeAndNonEmployeesStockOptionMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "An arrangement whereby an employee or non-employee is entitled to receive in the future, subject to vesting and other restrictions, a number of shares in the entity at a specified price, as defined in the agreement. Although there are variations, normally, after vesting, when an option is exercised, the employee-holder pays the strike value in cash to the issuing employer-entity and receives equity shares. The equity shares can be sold into the market for cash at the current market price without restriction. Options may be used to attract, retain and incentivize employees, in addition to their regular salary and other benefits.", "label": "Employee And Non Employees Stock Option [Member]", "terseLabel": "Employee And Non Employees Stock Option" } } }, "localname": "EmployeeAndNonEmployeesStockOptionMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "irm_EntertainmentServicesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to the Entertainment Services reporting unit of the entity", "label": "Entertainment Services [Member]", "terseLabel": "Entertainment Services" } } }, "localname": "EntertainmentServicesMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails" ], "xbrltype": "domainItemType" }, "irm_EquityOfferingMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Equity Offering [Member]", "label": "Equity Offering [Member]", "terseLabel": "Equity Offering" } } }, "localname": "EquityOfferingMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity", "http://www.ironmountain.com/role/StockholdersEquityMattersAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "irm_ErrorCorrectionsAndPriorPeriodAdjustmentsPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Error Corrections And Prior Period Adjustments, Policy [Policy Text Block]", "label": "Error Corrections And Prior Period Adjustments, Policy [Policy Text Block]", "terseLabel": "Changes in Presentation" } } }, "localname": "ErrorCorrectionsAndPriorPeriodAdjustmentsPolicyPolicyTextBlock", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "irm_EuroNotes3Percentdue2025Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Euro Notes 3 Percent due 2025 [Member]", "label": "Euro Notes 3 Percent due 2025 [Member]", "terseLabel": "Euro Notes 3 Percent due 2025" } } }, "localname": "EuroNotes3Percentdue2025Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails", "http://www.ironmountain.com/role/DebtRedemptionRatesDetails" ], "xbrltype": "domainItemType" }, "irm_EuroNotesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Euro Notes [Member]", "label": "Euro Notes [Member]", "terseLabel": "Euro Notes" } } }, "localname": "EuroNotesMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesHedgeOfNetInvestmentDetailsDetails" ], "xbrltype": "domainItemType" }, "irm_EuroSeniorNotes3Percentdue2025Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Euro Senior Notes 3 Percent due 2025 [Member]", "label": "Euro Senior Notes 3 Percent due 2025 [Member]", "terseLabel": "Euro Senior Notes 3 Percent due 2025" } } }, "localname": "EuroSeniorNotes3Percentdue2025Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "irm_EverettWa6600HardesonRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 6600 Hardeson Rd, Everett, Washington.", "label": "Everett Wa6600 Hardeson Rd [Member]", "terseLabel": "6600 Hardeson Rd, Everett, Washington" } } }, "localname": "EverettWa6600HardesonRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_EvoSwitchMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "EvoSwitch [Member]", "label": "EvoSwitch [Member]", "terseLabel": "EvoSwitch" } } }, "localname": "EvoSwitchMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails", "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "domainItemType" }, "irm_FORTRUSTMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "FORTRUST [Member]", "label": "FORTRUST [Member]", "terseLabel": "FORTRUST" } } }, "localname": "FORTRUSTMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "irm_FarmingtonNy1368CountyRd8Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 1368 County Rd 8, Farmington, New York.", "label": "Farmington Ny1368 County Rd8 [Member]", "terseLabel": "1368 County Rd 8, Farmington, New York" } } }, "localname": "FarmingtonNy1368CountyRd8Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_FergersheimFrance26RuedeIIndustrieMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Fergersheim France26 Rue de I Industrie [Member]", "label": "Fergersheim France26 Rue de I Industrie [Member]", "terseLabel": "26 Rue de I Industrie, Fergersheim, France" } } }, "localname": "FergersheimFrance26RuedeIIndustrieMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_FinanceLeaseCost": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesCostsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Finance Lease, Cost", "label": "Finance Lease, Cost", "totalLabel": "Total financing lease cost" } } }, "localname": "FinanceLeaseCost", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesCostsDetails" ], "xbrltype": "monetaryItemType" }, "irm_FinanceLeaseRightOfUseAssetNonRealEstateAssetsPercent": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Finance Lease, Right-Of-Use Asset, Non-Real Estate Assets, Percent", "label": "Finance Lease, Right-Of-Use Asset, Non-Real Estate Assets, Percent", "terseLabel": "Finance lease, right-of-use asset, non-real estate assets, percent" } } }, "localname": "FinanceLeaseRightOfUseAssetNonRealEstateAssetsPercent", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails" ], "xbrltype": "percentItemType" }, "irm_FinanceLeaseRightOfUseAssetRealEstateAssetsPercent": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Finance Lease, Right-Of-Use Asset, Real Estate Assets, Percent", "label": "Finance Lease, Right-Of-Use Asset, Real Estate Assets, Percent", "terseLabel": "Finance lease, right-of-use asset, real estate assets, percent" } } }, "localname": "FinanceLeaseRightOfUseAssetRealEstateAssetsPercent", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails" ], "xbrltype": "percentItemType" }, "irm_FinancingLeaseModificationsAndReassessments": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Financing Lease Modifications And Reassessments", "label": "Financing Lease Modifications And Reassessments", "terseLabel": "New financing leases, modifications and reassessments" } } }, "localname": "FinancingLeaseModificationsAndReassessments", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "irm_FineArtsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to the Fine Arts reporting unit of the entity", "label": "Fine Arts [Member]", "terseLabel": "Fine Arts" } } }, "localname": "FineArtsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails" ], "xbrltype": "domainItemType" }, "irm_FiveYearVestingOptionMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Five Year Vesting Option [Member]", "label": "Five Year Vesting Option [Member]", "terseLabel": "Five Year Vesting Option" } } }, "localname": "FiveYearVestingOptionMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "irm_FlorenceSc230ProsperityWayMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Florence Sc230 Prosperity Way [Member]", "label": "Florence Sc230 Prosperity Way [Member]", "terseLabel": "2301 Prosperity Way, Florence, South Carolina" } } }, "localname": "FlorenceSc230ProsperityWayMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_Fm182515300PflugervilleTexasMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member 15300 FM 1825, Pflugerville, Texas", "label": "Fm182515300 Pflugerville Texas [Member]", "terseLabel": "15300 FM 1825, Pflugerville, Texas" } } }, "localname": "Fm182515300PflugervilleTexasMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_FolcroftPa800CarpentersCrossingsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 800 Carpenters Crossings, Folcroft, Pennsylvania.", "label": "Folcroft Pa800 Carpenters Crossings [Member]", "terseLabel": "800 Carpenters Crossings, Folcroft, Pennsylvania" } } }, "localname": "FolcroftPa800CarpentersCrossingsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_FontanaCa13379JurupaAveMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 13379 Jurupa Ave, Fontana, California.", "label": "Fontana Ca13379 Jurupa Ave [Member]", "terseLabel": "13379 Jurupa Ave, Fontana, California" } } }, "localname": "FontanaCa13379JurupaAveMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_ForeignCurrencyTransactionGainLossUnrealizedAndAdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 12.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount before tax of foreign currency transaction unrealized gain (loss) recognized in the income statement and transactions that do not result in cash inflows or outflows in the period in which they occur, but affect net income and thus are removed when calculating net cash flow from operating activities using the indirect cash flow method. This element is used when there is not a more specific and appropriate element.", "label": "Foreign Currency Transaction Gain (Loss), Unrealized and Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by Used in Operating Activities, Other", "negatedLabel": "Foreign currency transactions and other, net" } } }, "localname": "ForeignCurrencyTransactionGainLossUnrealizedAndAdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "irm_FortWorthTx2000RoboticsPlaceSuiteBMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 2000 Robotics Place Suite B, Fort Worth, Texas.", "label": "Fort Worth Tx2000 Robotics Place Suite B [Member]", "terseLabel": "2000 Robotics Place Suite B, Fort Worth, Texas" } } }, "localname": "FortWorthTx2000RoboticsPlaceSuiteBMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_FranciscoDeSouzaEMeloRioDeJanerioBrazilMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member Francisco de Souza e Melo, Rio de Janerio, Brazil", "label": "Francisco De Souza E Melo Rio De Janerio Brazil [Member]", "terseLabel": "Francisco de Souza e Melo, Rio de Janerio, Brazil" } } }, "localname": "FranciscoDeSouzaEMeloRioDeJanerioBrazilMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_FranklinMa77ConstitutionBoulevardMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 77 Constitution Boulevard, Franklin, Massachusetts.", "label": "Franklin Ma77 Constitution Boulevard [Member]", "terseLabel": "77 Constitution Boulevard, Franklin, Massachusetts" } } }, "localname": "FranklinMa77ConstitutionBoulevardMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_FreeholdNJ811Route33Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Freehold NJ 811 Route 33 [Member]", "label": "Freehold NJ 811 Route 33 [Member]", "terseLabel": "811 Route 33, Freehold, New Jersey" } } }, "localname": "FreeholdNJ811Route33Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_FullertonCa600BurningTreeRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 600 Burning Tree Rd, Fullerton, California.", "label": "Fullerton Ca600 Burning Tree Rd [Member]", "terseLabel": "600 Burning Tree Rd, Fullerton, California" } } }, "localname": "FullertonCa600BurningTreeRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_GBPNotesdue20253.875PercentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information pertaining to the 3.875 Percent GBP Notes due 2025", "label": "GBP Notes due 2025 3.875 Percent [Member]", "terseLabel": "GBP Notes due 2025 3.875 Percent" } } }, "localname": "GBPNotesdue20253.875PercentMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails", "http://www.ironmountain.com/role/DebtRedemptionRatesDetails" ], "xbrltype": "domainItemType" }, "irm_GBPNotesdue2025SeniorNotes4.785due2027SeniorNotes5.25NotesandSeniorNotes4.785due2029Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "GBP Notes due 2025, Senior Notes 4.785 due 2027, Senior Notes 5.25 Notes and Senior Notes 4.785 due 2029 [Member]", "label": "GBP Notes due 2025, Senior Notes 4.785 due 2027, Senior Notes 5.25 Notes and Senior Notes 4.785 due 2029 [Member]", "terseLabel": "GBP Notes due 2025, Senior Notes 4.785 due 2027, Senior Notes 5.25 Notes and Senior Notes 4.785 due 2029" } } }, "localname": "GBPNotesdue2025SeniorNotes4.785due2027SeniorNotes5.25NotesandSeniorNotes4.785due2029Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtCovenantRatiosDetails" ], "xbrltype": "domainItemType" }, "irm_GBPSeniorNotes3.875Percentdue2025Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information pertaining to the 3.875 Percent GBP Notes due 2025", "label": "GBP Senior Notes 3.875 Percent due 2025 [Member]", "terseLabel": "GBP Senior Notes 3.875 Percent due 2025" } } }, "localname": "GBPSeniorNotes3.875Percentdue2025Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "irm_GainLossonSaleofAssetsandAssetImpairmentChargesExcludingRealEstate": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails": { "order": 5.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) from the difference between the sale price or salvage price and the book value of an asset that was sold or retired, and gain (loss) from the write down of assets from their carrying value to fair value, excluding real estate.", "label": "Gain (Loss) on Sale of Assets and Asset Impairment Charges Excluding Real Estate", "negatedLabel": "(Gain) Loss on disposal/write-down of property, plant and equipment, net", "negatedNetLabel": "(Gain) Loss on disposal/write-down of property, plant and equipment, net", "negatedTerseLabel": "(Gain) Loss on disposal/write-down of property, plant and equipment, net", "netLabel": "(Gain) Loss on disposal/write-down of property, plant and equipment, net" } } }, "localname": "GainLossonSaleofAssetsandAssetImpairmentChargesExcludingRealEstate", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/SegmentInformationReconciliationOfAdjustedEbitdaToIncomeLossFromContinuingOperationsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLongLivedAssetsDetails" ], "xbrltype": "monetaryItemType" }, "irm_GainsonSaleofRealEstateMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Gains on Sale of Real Estate [Member]", "label": "Gains on Sale of Real Estate [Member]", "terseLabel": "Gain on Sale of Real Estate" } } }, "localname": "GainsonSaleofRealEstateMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfEffectOfChangesInPresentationDetails" ], "xbrltype": "domainItemType" }, "irm_GaytonRoadKingsLynnUnitedKingdomMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member Gayton Road, Kings Lynn, United Kingdom", "label": "Gayton Road Kings Lynn United Kingdom [Member]", "terseLabel": "Gayton Road, Kings Lynn, England" } } }, "localname": "GaytonRoadKingsLynnUnitedKingdomMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_GbpSeniorNotes6125PercentDue2022Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to the GBP senior notes having an interest rate of 6.125 percent, due in 2022.", "label": "Gbp Senior Notes6125 Percent Due2022 [Member]", "terseLabel": "GBP Senior Notes 6.125% Due 2022" } } }, "localname": "GbpSeniorNotes6125PercentDue2022Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails" ], "xbrltype": "domainItemType" }, "irm_GilbertAz1420NorthFiestaBlvdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 1420 North Fiesta Blvd, Gilbert, AZ", "label": "Gilbert Az1420 North Fiesta Blvd [Member]", "terseLabel": "1420 North Fiesta Blvd, Gilbert, Arizona" } } }, "localname": "GilbertAz1420NorthFiestaBlvdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_GlobalDataCenterBusinessMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Global Data Center, a reportable operating segment of the entity.", "label": "Global Data Center Business [Member]", "terseLabel": "Global Data Center Business" } } }, "localname": "GlobalDataCenterBusinessMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/RestructuringChargesRestructuringChargesDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndAssetInformationByGeographyAndServiceLineDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails", "http://www.ironmountain.com/role/SegmentInformationSignificantAcquisitionCostsBySegmentDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueNarrativeDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails" ], "xbrltype": "domainItemType" }, "irm_GlobalDataCenterMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information regarding the Global Data Center reporting unit of the entity", "label": "Global Data Center [Member]", "terseLabel": "Global Data Center" } } }, "localname": "GlobalDataCenterMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails" ], "xbrltype": "domainItemType" }, "irm_GlobalRecordsandInformationManagementBusinessMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Global Records and Information Management Business [Member]", "label": "Global Records and Information Management Business [Member]", "netLabel": "Global RIM Business", "terseLabel": "Global RIM Business" } } }, "localname": "GlobalRecordsandInformationManagementBusinessMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/RestructuringChargesRestructuringChargesDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndAssetInformationByGeographyAndServiceLineDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails", "http://www.ironmountain.com/role/SegmentInformationSignificantAcquisitionCostsBySegmentDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails" ], "xbrltype": "domainItemType" }, "irm_GoodwillDeductibleAcquiredDuringPeriod": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Goodwill, Deductible, Acquired During Period", "label": "Goodwill, Deductible, Acquired During Period", "terseLabel": "Deductible goodwill acquired during the year" } } }, "localname": "GoodwillDeductibleAcquiredDuringPeriod", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails" ], "xbrltype": "monetaryItemType" }, "irm_GoodwillPurchaseAccountingAdjustmentsGross": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Goodwill, Purchase Accounting Adjustments, Gross", "label": "Goodwill, Purchase Accounting Adjustments, Gross", "terseLabel": "Accounting adjustments" } } }, "localname": "GoodwillPurchaseAccountingAdjustmentsGross", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails" ], "xbrltype": "monetaryItemType" }, "irm_GrandPrairieTx1202AveRMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 1202 Ave R, Grand Prairie, Texas.", "label": "Grand Prairie Tx1202 Ave R [Member]", "terseLabel": "1202 Ave R, Grand Prairie, Texas" } } }, "localname": "GrandPrairieTx1202AveRMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_GuadalajaraPrivadaLasFloresNo.25G3Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Privada Las Flores No. 25 (G3), Guadalajara.", "label": "Guadalajara Privada Las Flores No.25 G3 [Member]", "terseLabel": "Privada Las Flores No. 25 (G3), Guadalajara, Mexico" } } }, "localname": "GuadalajaraPrivadaLasFloresNo.25G3Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_GuarantorDisclosureTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The schedule of Guarantor, Parent, Canada and Non-Guarantors.", "label": "Guarantor Disclosure [Text Block]", "terseLabel": "Selected Consolidated Financial Statements of Parent, Guarantors, and Non-Guarantors" } } }, "localname": "GuarantorDisclosureTextBlock", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantors" ], "xbrltype": "textBlockItemType" }, "irm_GuedeLongroiFranceBatABC1C2C3RueImperialeMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Gue de Longroi FranceBat A,B,C1,C2,C3 Rue Imperiale [Member]", "label": "Gue de Longroi FranceBat A,B,C1,C2,C3 Rue Imperiale [Member]", "terseLabel": "Bat A, B, C1, C2, C3 Rue Imperiale, Gue de Longroi, France" } } }, "localname": "GuedeLongroiFranceBatABC1C2C3RueImperialeMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_HamburgGermanyGutenbergstrabe55Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Hamburg GermanyGutenbergstrabe 55 [Member]", "label": "Hamburg GermanyGutenbergstrabe 55 [Member]", "terseLabel": "Gutenbergstrabe 55, Hamburg, Germany" } } }, "localname": "HamburgGermanyGutenbergstrabe55Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_HanoverParkIl4175ChandlerDrOpusNo.CorpMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Chandler Dr Opus No. Corp, Hanover Park, Illinois.", "label": "Hanover Park Il4175 Chandler Dr Opus No. Corp [Member]", "terseLabel": "4175 Chandler Dr Opus No. Corp, Hanover Park, Illinois" } } }, "localname": "HanoverParkIl4175ChandlerDrOpusNo.CorpMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_HaywardCa21063ForbesStMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Hayward Ca 21063 Forbes St [Member]", "label": "Hayward Ca 21063 Forbes St [Member]", "terseLabel": "21063 Forbes St., Hayward, California" } } }, "localname": "HaywardCa21063ForbesStMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_HazelwoodMOMissouriBottomRoadMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Hazelwood MO Missouri Bottom Road [Member]", "label": "Hazelwood MO Missouri Bottom Road [Member]", "terseLabel": "Missouri Bottom Road, Hazelwood, Missouri" } } }, "localname": "HazelwoodMOMissouriBottomRoadMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_HempsteadHwy15333HoustonTexasMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member 15333 Hempstead Hwy, Houston, Texas", "label": "Hempstead Hwy15333 Houston Texas [Member]", "terseLabel": "15333 Hempstead Hwy, Houston, Texas" } } }, "localname": "HempsteadHwy15333HoustonTexasMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_HortolandiaSaoPauloBrazilMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member Hortolandia, Sao Paulo Brazil", "label": "Hortolandia Sao Paulo Brazil [Member]", "terseLabel": "Hortolandia, Sao Paulo, Brazil" } } }, "localname": "HortolandiaSaoPauloBrazilMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_HoustonTx2600CenterStreetBldgMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 2600 Center Street (bldg), Houston, Texas.", "label": "Houston Tx2600 Center Street Bldg [Member]", "terseLabel": "2600 Center Street, Houston, Texas" } } }, "localname": "HoustonTx2600CenterStreetBldgMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_HoustonTx3502BissonnetStMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 3502 Bissonnet St, Houston, Texas.", "label": "Houston Tx3502 Bissonnet St [Member]", "terseLabel": "3502 Bissonnet St, Houston, Texas" } } }, "localname": "HoustonTx3502BissonnetStMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_HoustonTx5249GlenmontAveMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 5249 Glenmont Ave, Houston, Texas.", "label": "Houston Tx5249 Glenmont Ave [Member]", "terseLabel": "5249 Glenmont Ave, Houston, Texas" } } }, "localname": "HoustonTx5249GlenmontAveMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_HoustonTx5707ChimneyRockMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 5707 Chimney Rock, Houston, Texas.", "label": "Houston Tx5707 Chimney Rock [Member]", "terseLabel": "5707 Chimney Rock, Houston, Texas" } } }, "localname": "HoustonTx5707ChimneyRockMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_HoustonTx5757RoyaltonDrMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 5757 Royalton Dr, Houston, Texas.", "label": "Houston Tx5757 Royalton Dr [Member]", "terseLabel": "5757 Royalton Dr, Houston, Texas" } } }, "localname": "HoustonTx5757RoyaltonDrMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_HoustonTx6203BingleRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 6203 Bingle Rd, Houston, Texas.", "label": "Houston Tx6203 Bingle Rd [Member]", "terseLabel": "6203 Bingle Rd, Houston, Texas" } } }, "localname": "HoustonTx6203BingleRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_HoustonTx9601WestTidwellMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 9601 West Tidwell, Houston, Texas.", "label": "Houston Tx9601 West Tidwell [Member]", "terseLabel": "9601 West Tidwell, Houston, Texas" } } }, "localname": "HoustonTx9601WestTidwellMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_HuehuetocaMexicoTulaKMParquedeLasMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Huehuetoca Mexico Tula KM Parque de Las [Member]", "label": "Huehuetoca Mexico Tula KM Parque de Las [Member]", "terseLabel": "Tula KM Parque de Las, Huehuetoca, Mexico" } } }, "localname": "HuehuetocaMexicoTulaKMParquedeLasMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_IMFSMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "IMFS [Member]", "label": "IMFS [Member]", "terseLabel": "IMFS" } } }, "localname": "IMFSMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails" ], "xbrltype": "domainItemType" }, "irm_IMUSHoldingsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "IM US Holdings [Member]", "label": "IM US Holdings [Member]", "terseLabel": "IM US Holdings" } } }, "localname": "IMUSHoldingsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails" ], "xbrltype": "domainItemType" }, "irm_IODataCenterLLCMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "IO Data Center LLC [Member]", "label": "IO Data Center LLC [Member]", "terseLabel": "IO Data Center LLC" } } }, "localname": "IODataCenterLLCMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails", "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "domainItemType" }, "irm_IncomeLossFromContinuingOperationsBeforeIncomeTaxesCanada": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesComponentsOfIncomeLossFromContinuingOperationsDetails": { "order": 2.0, "parentTag": "irm_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsMinorityInterestAndGainLossOnDispositionOfRealEstate", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The portion of earnings or loss from continuing operations before income taxes that is attributable to Canada operations.", "label": "Income (Loss) from Continuing Operations before Income Taxes, Canada", "terseLabel": "Canada" } } }, "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesCanada", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesComponentsOfIncomeLossFromContinuingOperationsDetails" ], "xbrltype": "monetaryItemType" }, "irm_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsMinorityInterestAndGainLossOnDispositionOfRealEstate": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.ironmountain.com/role/IncomeTaxesComponentsOfIncomeLossFromContinuingOperationsDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails": { "order": 1.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Sum of operating profit and nonoperating income or expense before income taxes, extraordinary items, noncontrolling interest and (gain) loss from disposition of real estate.", "label": "Income (Loss) From Continuing Operations Before Income Taxes, Minority Interest, and (Gain) Loss on Disposition of Real Estate", "totalLabel": "Income (Loss) from Continuing Operations Before Provision (Benefit) for Income Taxes" } } }, "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsMinorityInterestAndGainLossOnDispositionOfRealEstate", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/IncomeTaxesComponentsOfIncomeLossFromContinuingOperationsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "monetaryItemType" }, "irm_IncomeTaxReconciliationAdjustmentsRelatedToReit": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails": { "order": 2.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents the amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to adjustment related to REIT.", "label": "Income Tax Reconciliation Adjustments Related to REIT", "negatedTerseLabel": "Tax adjustment relating to REIT", "terseLabel": "Tax adjustment relating to REIT" } } }, "localname": "IncomeTaxReconciliationAdjustmentsRelatedToReit", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails", "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "irm_IncomeTaxReconciliationIncreaseDecreaseInIncomeTaxesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "", "label": "Income Tax Reconciliation Increase (Decrease) in Income Taxes [Abstract]", "terseLabel": "Changes in income taxes resulting from:" } } }, "localname": "IncomeTaxReconciliationIncreaseDecreaseInIncomeTaxesAbstract", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "stringItemType" }, "irm_IncomeTaxReconciliationRepatriationOfForeignEarningsAttributableToREIT": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Income Tax Reconciliation Repatriation Of Foreign Earnings, Attributable To REIT", "label": "Income Tax Reconciliation Repatriation Of Foreign Earnings, Attributable To REIT", "terseLabel": "REIT taxable income" } } }, "localname": "IncomeTaxReconciliationRepatriationOfForeignEarningsAttributableToREIT", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "irm_IncomeTaxReconciliationReserveReversalAndAuditSettlements": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails": { "order": 7.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "It represents the amount of reserve reversal and audit settlements due to which difference has occurred in expected tax provision and total income tax expense.", "label": "Income Tax Reconciliation Reserve, Reversal and Audit Settlements", "negatedLabel": "Reserve (reversal) accrual and audit settlements (net of federal tax benefit)" } } }, "localname": "IncomeTaxReconciliationReserveReversalAndAuditSettlements", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "irm_IncomelossfromContinuingOperationsNetofTaxexcludingPortionAttributabletoNoncontrollingInterest": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails": { "order": 1.0, "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Income (loss) from Continuing Operations, Net of Tax, excluding Portion Attributable to Noncontrolling Interest", "label": "Income (loss) from Continuing Operations, Net of Tax, excluding Portion Attributable to Noncontrolling Interest", "totalLabel": "Income (loss) from continuing operations (utilized in numerator of Earnings Per Share calculation)" } } }, "localname": "IncomelossfromContinuingOperationsNetofTaxexcludingPortionAttributabletoNoncontrollingInterest", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails" ], "xbrltype": "monetaryItemType" }, "irm_IncreaseDecreaseInContractWithCustomerLiabilitiesNet": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 5.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Increase (Decrease) In Contract Fulfillment Costs, Net", "label": "Increase (Decrease) In Contract With Customer Liabilities, Net", "terseLabel": "Customer fulfillment costs and third party commissions (see Note 2.l.)" } } }, "localname": "IncreaseDecreaseInContractWithCustomerLiabilitiesNet", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "irm_IncrementalCommonSharesAttributableToShareBasedPaymentsArrangementsStockOption": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails": { "order": 2.0, "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "This element refers to the incremental common shares attributable to share based payments arrangement under stock option.", "label": "Incremental Common Shares Attributable to Share Based Payments, Arrangements Stock Option", "terseLabel": "Effect of dilutive potential stock options (in shares)" } } }, "localname": "IncrementalCommonSharesAttributableToShareBasedPaymentsArrangementsStockOption", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails" ], "xbrltype": "sharesItemType" }, "irm_IncrementalCommonSharesAttributableToShareBasedPaymentsOverAllotmentOption": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails": { "order": 4.0, "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Incremental Common Shares Attributable To Share Based Payments, Over-Allotment Option", "label": "Incremental Common Shares Attributable To Share Based Payments, Over-Allotment Option", "terseLabel": "Effect of Over-Allotment Option (in shares)" } } }, "localname": "IncrementalCommonSharesAttributableToShareBasedPaymentsOverAllotmentOption", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails" ], "xbrltype": "sharesItemType" }, "irm_IncrementalCommonSharesAttributableToShareBasedPaymentsRestrictedStockAndRSUsAndPUs": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails": { "order": 3.0, "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "This element refers to the incremental common shares attributable to share based payments arrangements under restricted stock, restricted stock units and performance units.", "label": "Incremental Common Shares Attributable to Share Based Payments, Restricted Stock and RSUs and PUs", "terseLabel": "Effect of dilutive potential RSUs and PUs (in shares)" } } }, "localname": "IncrementalCommonSharesAttributableToShareBasedPaymentsRestrictedStockAndRSUsAndPUs", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails" ], "xbrltype": "sharesItemType" }, "irm_Incrementalforeignearnings": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "incremental foreign earnings", "label": "incremental foreign earnings", "terseLabel": "Incremental foreign earnings" } } }, "localname": "Incrementalforeignearnings", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "irm_InformationDestructionMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to information destruction product or service that generates revenues for the entity.", "label": "Information Destruction [Member]", "terseLabel": "Information Destruction" } } }, "localname": "InformationDestructionMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SegmentInformationRevenueAndAssetInformationByGeographyAndServiceLineDetails" ], "xbrltype": "domainItemType" }, "irm_InitialUnitedStatesDivestmentsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Initial United States Divestments [Member]", "label": "Initial United States Divestments [Member]", "terseLabel": "Initial United States Divestments" } } }, "localname": "InitialUnitedStatesDivestmentsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails" ], "xbrltype": "domainItemType" }, "irm_IntakeCostsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Intake Costs [Member]", "label": "Intake Costs [Member]", "terseLabel": "Intake Costs asset", "verboseLabel": "Intake Costs asset" } } }, "localname": "IntakeCostsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueAmortizationExpenseAssociatedWithCommissionsAssetAndIntakeCostsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueContractFulfillmentCostsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueNarrativeDetails" ], "xbrltype": "domainItemType" }, "irm_InvestmentInSingleMutualFundMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Investment In Single Mutual Fund [Member]", "label": "Investment In Single Mutual Fund [Member]", "terseLabel": "Investment in single mutual fund" } } }, "localname": "InvestmentInSingleMutualFundMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesConcentrationOfCreditRiskDetails" ], "xbrltype": "domainItemType" }, "irm_IronMountainIronCloudMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Iron Mountain Iron Cloud [Member]", "label": "Iron Mountain Iron Cloud [Member]", "terseLabel": "Iron Mountain Iron Cloud" } } }, "localname": "IronMountainIronCloudMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLongLivedAssetsDetails" ], "xbrltype": "domainItemType" }, "irm_IronMountainUKMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Iron Mountain UK [Member]", "label": "Iron Mountain UK [Member]", "terseLabel": "Iron Mountain Europe" } } }, "localname": "IronMountainUKMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails" ], "xbrltype": "domainItemType" }, "irm_IrwindaleCa50864thStMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 5086 4th St, Irwindale, California.", "label": "Irwindale Ca50864th St [Member]", "terseLabel": "5086 4th St, Irwindale, California" } } }, "localname": "IrwindaleCa50864thStMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_ItalyFireMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to losses resulting from the Italy fire.", "label": "Italy Fire [Member]", "terseLabel": "Italy Fire" } } }, "localname": "ItalyFireMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "irm_JacksonvilleFl13280VantageWayMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 13280 Vantage Way, Jacksonville, Florida.", "label": "Jacksonville Fl13280 Vantage Way [Member]", "terseLabel": "13280 Vantage Way, Jacksonville, Florida" } } }, "localname": "JacksonvilleFl13280VantageWayMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_JessupMd10641IronBridgeRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 10641 Iron Bridge Rd, Jessup, Maryland.", "label": "Jessup Md10641 Iron Bridge Rd [Member]", "terseLabel": "10641 Iron Bridge Rd, Jessup, Maryland" } } }, "localname": "JessupMd10641IronBridgeRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_JessupMd8275PatuxentRangeRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 8275 Patuxent Range Rd, Jessup, Maryland.", "label": "Jessup Md8275 Patuxent Range Rd [Member]", "terseLabel": "8275 Patuxent Range Rd, Jessup, Maryland" } } }, "localname": "JessupMd8275PatuxentRangeRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_JeumontSchneiderChampagneSurSeineFranceMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member Jeumont-Schneider,Champagne Sur Seine, France", "label": "Jeumont Schneider Champagne Sur Seine France [Member]", "terseLabel": "Jeumont-Schneider, Champagne Sur Seine, France" } } }, "localname": "JeumontSchneiderChampagneSurSeineFranceMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_JundiaiBrazilRuaPeri80Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Jundiai Brazil Rua Peri 80 [Member]", "label": "Jundiai Brazil Rua Peri 80 [Member]", "terseLabel": "Rua Peri 80, Jundiai, Brazil" } } }, "localname": "JundiaiBrazilRuaPeri80Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_KembleSiteD1KembleIndustrialParkMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Site D1 Kemble Industrial Park, Kemble.", "label": "Kemble Site D1 Kemble Industrial Park [Member]", "terseLabel": "Kemble Industrial Park, Kemble, England" } } }, "localname": "KembleSiteD1KembleIndustrialParkMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_KennedyRoadWindsorConnecticutMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents Member Kennedy Road, Windsor, Connecticut", "label": "Kennedy Road Windsor Connecticut [Member]", "terseLabel": "Kennedy Road, Windsor, Connecticut" } } }, "localname": "KennedyRoadWindsorConnecticutMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_KentWa19826RussellRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Kent Wa19826 Russell Rd [Member]", "label": "Kent Wa19826 Russell Rd [Member]", "terseLabel": "19826 Russell Rd, South, Kent, Washington" } } }, "localname": "KentWa19826RussellRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_Kingston68GrantTimminsDriveMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Kingston 68 Grant Timmins Drive [Member]", "label": "Kingston 68 Grant Timmins Drive [Member]", "terseLabel": "68 Grant Timmins Drive, Kingston" } } }, "localname": "Kingston68GrantTimminsDriveMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_Lachine3005Boul.JeanBaptisteDeschampsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 3005 Boul. Jean-Baptiste Deschamps, Lachine.", "label": "Lachine3005 Boul. Jean Baptiste Deschamps [Member]", "terseLabel": "3005 Boul. Jean-Baptiste Deschamps, Lachine" } } }, "localname": "Lachine3005Boul.JeanBaptisteDeschampsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_LargoFl12855StarkeyRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 12855 Starkey Rd, Largo, Florida.", "label": "Largo Fl12855 Starkey Rd [Member]", "terseLabel": "12855 Starkey Rd, Largo, Florida" } } }, "localname": "LargoFl12855StarkeyRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_LasVegasNv4105NorthLambBlvdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 4105 North Lamb Blvd, Las Vegas, Nevada.", "label": "Las Vegas Nv4105 North Lamb Blvd [Member]", "terseLabel": "4105 North Lamb Blvd, Las Vegas, Nevada" } } }, "localname": "LasVegasNv4105NorthLambBlvdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_Laval1655FleetwoodMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 1655 Fleetwood, Laval.", "label": "Laval1655 Fleetwood [Member]", "terseLabel": "1655 Fleetwood, Laval" } } }, "localname": "Laval1655FleetwoodMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_LeaseLiability": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Lease, Liability", "label": "Lease, Liability", "totalLabel": "Total" } } }, "localname": "LeaseLiability", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails" ], "xbrltype": "monetaryItemType" }, "irm_LeaseLiabilityCurrent": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails": { "order": 1.0, "parentTag": "irm_LeaseLiability", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Lease, Liability, Current", "label": "Lease, Liability, Current", "totalLabel": "Total current lease liabilities" } } }, "localname": "LeaseLiabilityCurrent", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails" ], "xbrltype": "monetaryItemType" }, "irm_LeaseLiabilityNoncurrent": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails": { "order": 2.0, "parentTag": "irm_LeaseLiability", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Lease, Liability, Noncurrent", "label": "Lease, Liability, Noncurrent", "totalLabel": "Total long-term lease liabilities" } } }, "localname": "LeaseLiabilityNoncurrent", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails" ], "xbrltype": "monetaryItemType" }, "irm_LeaseRightofUseAsset": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Lease, Right-of-Use Asset", "label": "Lease, Right-of-Use Asset", "totalLabel": "Total" } } }, "localname": "LeaseRightofUseAsset", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails" ], "xbrltype": "monetaryItemType" }, "irm_LeasesAcquiredInPlaceandTenantRelationshipsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Leases Acquired In Place and Tenant Relationships [Member]", "label": "Leases Acquired In Place and Tenant Relationships [Member]", "terseLabel": "Data center in-place leases and tenant relationships" } } }, "localname": "LeasesAcquiredInPlaceandTenantRelationshipsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "irm_LeavenworthSt18thStOmahaNebraskaMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member Leavenworth St/18th St, Omaha, Nebraska", "label": "Leavenworth St18th St Omaha Nebraska [Member]", "terseLabel": "Leavenworth St/18th St, Omaha, Nebraska" } } }, "localname": "LeavenworthSt18thStOmahaNebraskaMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_LesseeOperatingAndFinanceLeaseCurrentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Lessee, Operating And Finance Lease, Current [Abstract]", "label": "Lessee, Operating And Finance Lease, Current [Abstract]", "terseLabel": "Current" } } }, "localname": "LesseeOperatingAndFinanceLeaseCurrentAbstract", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails" ], "xbrltype": "stringItemType" }, "irm_LesseeOperatingAndFinanceLeaseDeferredRentNoncurrent": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Lessee, Operating And Finance Lease, Deferred Rent, Noncurrent", "label": "Lessee, Operating And Finance Lease, Deferred Rent, Noncurrent", "terseLabel": "Deferred Rent (see Note 2.m.)" } } }, "localname": "LesseeOperatingAndFinanceLeaseDeferredRentNoncurrent", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "irm_LesseeOperatingAndFinanceLeaseNonCurrentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Lessee, Operating And Finance Lease, Non-Current [Abstract]", "label": "Lessee, Operating And Finance Lease, Non-Current [Abstract]", "terseLabel": "Long-term" } } }, "localname": "LesseeOperatingAndFinanceLeaseNonCurrentAbstract", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails" ], "xbrltype": "stringItemType" }, "irm_LimassolCyprusAgiosSylasIndustrialAreaMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Limassol Cyprus Agios Sylas Industrial Area [Member]", "label": "Limassol Cyprus Agios Sylas Industrial Area [Member]", "terseLabel": "Karyatidon 1, Agios Sylas Industrial Area (3rd), Limassol, Cyprus" } } }, "localname": "LimassolCyprusAgiosSylasIndustrialAreaMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_LineofCreditFacilityMaximumBorrowingCapacityAdditionalCommitments": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Line of Credit Facility, Maximum Borrowing Capacity, Additional Commitments", "label": "Line of Credit Facility, Maximum Borrowing Capacity, Additional Commitments", "terseLabel": "Optional additional commitments" } } }, "localname": "LineofCreditFacilityMaximumBorrowingCapacityAdditionalCommitments", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtUkBilateralRevolvingCreditFacilityDetails" ], "xbrltype": "monetaryItemType" }, "irm_LivermoreCa6933PrestonAveMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 6933 Preston Ave, Livermore, California.", "label": "Livermore Ca6933 Preston Ave [Member]", "terseLabel": "6933 Preston Ave, Livermore, California" } } }, "localname": "LivermoreCa6933PrestonAveMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_LivingstonScotlandHoustonIndustrialEstateMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Livingston Scotland Houston Industrial Estate [Member]", "label": "Livingston Scotland Houston Industrial Estate [Member]", "terseLabel": "Nettlehill Road, Houston Industrial Estate, Livingston, Scotland" } } }, "localname": "LivingstonScotlandHoustonIndustrialEstateMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_LongTermDebtGrossNetofCurrentPortion": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails": { "order": 2.0, "parentTag": "us-gaap_DebtInstrumentCarryingAmount", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Debt Instrument, Face Amount Less Current Maturities", "label": "Long Term Debt, Gross, Net of Current Portion", "terseLabel": "Long-term debt, net of current portion" } } }, "localname": "LongTermDebtGrossNetofCurrentPortion", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "irm_LongtermDebtExcludingUnamortizedDiscountPremiumandDebtIssuanceCostsandCurrentMaturities": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/DebtMaturitiesOfLongTermDebtDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Long-term Debt, Excluding Unamortized (Discount) Premium and Debt issuance costs, and Current Maturities", "label": "Long-term Debt, Excluding Unamortized (Discount) Premium and Debt Issuance Costs, and Current Maturities", "totalLabel": "Long-term Debt, Excluding Unamortized (Discount) Premium and Debt Issuance Costs, and Current Maturities" } } }, "localname": "LongtermDebtExcludingUnamortizedDiscountPremiumandDebtIssuanceCostsandCurrentMaturities", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtMaturitiesOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "irm_LongtermDebtGrossCurrentMaturities": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails": { "order": 1.0, "parentTag": "us-gaap_DebtInstrumentCarryingAmount", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Long-term Debt, Gross, Current Maturities", "label": "Long-term Debt, Gross, Current Maturities", "negatedTerseLabel": "Debt, current portion" } } }, "localname": "LongtermDebtGrossCurrentMaturities", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "irm_LosAngelesCa1006NorthMansfieldMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 1006 North Mansfield, Los Angeles, California.", "label": "Los Angeles Ca1006 North Mansfield [Member]", "terseLabel": "1006 North Mansfield, Los Angeles, California" } } }, "localname": "LosAngelesCa1006NorthMansfieldMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_LosAngelesCa1025NorthHighlandAveMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 1025 North Highland Ave, Los Angeles, California", "label": "Los Angeles Ca1025 North Highland Ave [Member]", "terseLabel": "1025 North Highland Ave, Los Angeles, California" } } }, "localname": "LosAngelesCa1025NorthHighlandAveMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_LossContingenciesReasonablyPossibleAdditionalLosses": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Estimate of the reasonably possible loss exposure in excess of the amount currently accrued for litigation defense and settlement costs.", "label": "Loss Contingencies, Reasonably Possible Additional Losses", "terseLabel": "Loss contingencies, reasonably possible loss exposure in excess of the amount currently accrued" } } }, "localname": "LossContingenciesReasonablyPossibleAdditionalLosses", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "irm_LossContingencyNumberCustomerOwnedItemsLost": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Loss Contingency, Number Customer-Owned Items Lost", "label": "Loss Contingency, Number Customer-Owned Items Lost", "terseLabel": "Number of cartons of customer records lost" } } }, "localname": "LossContingencyNumberCustomerOwnedItemsLost", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails" ], "xbrltype": "integerItemType" }, "irm_LossContingencyNumberOfCustomersImpacted": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Loss Contingency, Number Of Customers Impacted", "label": "Loss Contingency, Number Of Customers Impacted", "terseLabel": "Number of customers impacted by fire" } } }, "localname": "LossContingencyNumberOfCustomersImpacted", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails" ], "xbrltype": "integerItemType" }, "irm_LouisvilleKy2400South7thStBldgDMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 2400 South 7th St (Bldg D), Louisville, Kentucky.", "label": "Louisville Ky2400 South7th St Bldg D [Member]", "terseLabel": "South 7th St, Louisville, Kentucky" } } }, "localname": "LouisvilleKy2400South7thStBldgDMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_MadridCtraM.118Km.3Parcela3Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Ctra M.118 , Km.3 Parcela 3 Madrid.", "label": "Madrid Ctra M.118 Km.3 Parcela3 [Member]", "terseLabel": "Ctra M.118 , Km.3 Parcela 3, Madrid, Spain" } } }, "localname": "MadridCtraM.118Km.3Parcela3Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_MakespaceMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Makespace [Member]", "label": "Makespace [Member]", "terseLabel": "Makespace" } } }, "localname": "MakespaceMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/RelatedPartyTransactionsAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "irm_MalvernPa36GreatValleyPkwyMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 36 Great Valley Pkwy, Malvern, Pennsylvania.", "label": "Malvern Pa36 Great Valley Pkwy [Member]", "terseLabel": "36 Great Valley Pkwy, Malvern, Pennsylvania" } } }, "localname": "MalvernPa36GreatValleyPkwyMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_MaximumRevenueFromFacilityAsPercentageOfConsolidatedRevenue": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the amount of revenue earned from facility expressed as percentage of consolidated revenues.", "label": "Maximum Revenue from Facility as Percentage of Consolidated Revenue", "terseLabel": "Facility revenue as a percentage of consolidated revenues (less than)" } } }, "localname": "MaximumRevenueFromFacilityAsPercentageOfConsolidatedRevenue", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails" ], "xbrltype": "percentItemType" }, "irm_MiamisburgOH3366SouthTechBlvdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Miamisburg OH3366 South Tech Blvd [Member]", "label": "Miamisburg OH3366 South Tech Blvd [Member]", "terseLabel": "3366 South Tech Boulevard, Miamisburg, Ohio" } } }, "localname": "MiamisburgOH3366SouthTechBlvdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_MiltonNh17HydroPlantRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 17 Hydro Plant Rd Milton, New Hampshire.", "label": "Milton Nh17 Hydro Plant Rd [Member]", "terseLabel": "17 Hydro Plant Rd, Milton, New Hampshire" } } }, "localname": "MiltonNh17HydroPlantRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_MingieresFranceLePetitCourtinSitedeDoisGueslinMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Mingieres FranceLe Petit Courtin Site de Dois Gueslin [Member]", "label": "Mingieres FranceLe Petit Courtin Site de Dois Gueslin [Member]", "terseLabel": "Le Petit Courtin Site de Dois, Gueslin, Mingieres, France" } } }, "localname": "MingieresFranceLePetitCourtinSitedeDoisGueslinMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_MiramarFl7801RivieraBlvdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Miramar Fl7801 Riviera Blvd [Member]", "label": "Miramar Fl7801 Riviera Blvd [Member]", "terseLabel": "7801 Riviera Blvd, Miramar, Florida" } } }, "localname": "MiramarFl7801RivieraBlvdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_MitchellStreetKnoxvilleTennesseeMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member Mitchell Street, Knoxville, Tennessee", "label": "Mitchell Street Knoxville Tennessee [Member]", "terseLabel": "Mitchell Street, Knoxville, Tennessee" } } }, "localname": "MitchellStreetKnoxvilleTennesseeMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_MonterreyCarreteraPesqueriaKm2.5M3Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Carretera Pesqueria Km2.5(M3), Monterrey.", "label": "Monterrey Carretera Pesqueria Km2.5 M3 [Member]", "terseLabel": "Carretera Pesqueria Km2.5(M3), Monterrey, Mexico" } } }, "localname": "MonterreyCarreteraPesqueriaKm2.5M3Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_Montreal4005RichelieuMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 4005 Richelieu, Montreal.", "label": "Montreal4005 Richelieu [Member]", "terseLabel": "4005 Richelieu, Montreal" } } }, "localname": "Montreal4005RichelieuMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_MorangisFranceZIdesSablesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Morangis FranceZI des Sables [Member]", "label": "Morangis FranceZI des Sables [Member]", "terseLabel": "ZI des Sables, Morangis, France" } } }, "localname": "MorangisFranceZIdesSablesMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_MorrisvileNJ826ChurchStMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Morrisvile NC 826 Church St [Member]", "label": "Morrisvile NJ 826 Church St [Member]", "terseLabel": "826 Church Street, Morrisville, North Carolina" } } }, "localname": "MorrisvileNJ826ChurchStMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_MortgageSecuritizationProgramMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Mortgage Securitization Program [Member]", "label": "Mortgage Securitization Program [Member]", "terseLabel": "Mortgage Securitization Program" } } }, "localname": "MortgageSecuritizationProgramMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtAccountsReceivableAndMortgageSecuritizationProgramNarrativeDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "irm_N.HempsteadNy77SeaviewBlvdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 77 Seaview Blvd, N. Hempstead, New York.", "label": "N. Hempstead Ny77 Seaview Blvd [Member]", "terseLabel": "77 Seaview Blvd, N. Hempstead New York" } } }, "localname": "N.HempsteadNy77SeaviewBlvdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_NEEAndMEIMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "NEE And MEI [Member]", "label": "NEE And MEI [Member]", "terseLabel": "NEE And MEI" } } }, "localname": "NEEAndMEIMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails" ], "xbrltype": "domainItemType" }, "irm_NashvilleTn6005DanaWayMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 6005 Dana Way, Nashville, Tennessee.", "label": "Nashville Tn6005 Dana Way [Member]", "terseLabel": "6005 Dana Way, Nashville, Tennessee" } } }, "localname": "NashvilleTn6005DanaWayMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_NewCreditAgreementMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "New Credit Agreement [Member]", "label": "New Credit Agreement [Member]", "terseLabel": "New Credit Agreement" } } }, "localname": "NewCreditAgreementMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "irm_NewarkNJCourtStreetMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Newark NJ Court Street [Member]", "label": "Newark NJ Court Street [Member]", "terseLabel": "51-69 & 77-81 Court St, Newark, New Jersey" } } }, "localname": "NewarkNJCourtStreetMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_NicosiaCyprusIndustrialDistrictMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Nicosia Cyprus Industrial District [Member]", "label": "Nicosia Cyprus Industrial District [Member]", "terseLabel": "Kratitirion 9 Kokkinotrimithia Industrial District, Nicosia, Cyprus" } } }, "localname": "NicosiaCyprusIndustrialDistrictMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_NoncashInvestingAndFinancingActivitiesFinancingLeases": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Noncash Investing And Financing Activities, Financing Leases", "label": "Noncash Investing And Financing Activities, Financing Leases", "terseLabel": "Financing Leases (see Note 2.m.)" } } }, "localname": "NoncashInvestingAndFinancingActivitiesFinancingLeases", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "irm_NoncashOrPartNoncashTransactionOperatingLeases": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Noncash Or Part Noncash Transaction, Operating Leases", "label": "Noncash Or Part Noncash Transaction, Operating Leases", "terseLabel": "New operating leases (including acquisitions)" } } }, "localname": "NoncashOrPartNoncashTransactionOperatingLeases", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "irm_NonqualifiedOrdinaryDividendsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information related to nonqualified ordinary dividends declared and/or paid.", "label": "Nonqualified Ordinary Dividends [Member]", "terseLabel": "Nonqualified ordinary dividends" } } }, "localname": "NonqualifiedOrdinaryDividendsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/StockholdersEquityMattersClassificationOfDividendsPaidDetails" ], "xbrltype": "domainItemType" }, "irm_NorcrossGA6111LiveOakPkwyMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Norcross GA 6111 Live Oak Pkwy [Member]", "label": "Norcross GA 6111 Live Oak Pkwy [Member]", "terseLabel": "6111 Live Oak Parkway, Norcross, Georgia" } } }, "localname": "NorcrossGA6111LiveOakPkwyMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_NorfolkVa4555ProgressRoadMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 4555 Progress Road, Norfolk, Virginia.", "label": "Norfolk Va4555 Progress Road [Member]", "terseLabel": "4555 Progress Road, Norfolk, Virginia" } } }, "localname": "NorfolkVa4555ProgressRoadMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_NorthAmericanDataManagementBusinessMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to North American Data Management Business, a reportable operating segment of the entity.", "label": "North American Data Management Business [Member]", "terseLabel": "North American Data Management Business" } } }, "localname": "NorthAmericanDataManagementBusinessMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails" ], "xbrltype": "domainItemType" }, "irm_NorthAmericanDataManagementMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to the North American Data Management reporting unit of the entity", "label": "North American Data Management [Member]", "terseLabel": "North American Data Management" } } }, "localname": "NorthAmericanDataManagementMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails" ], "xbrltype": "domainItemType" }, "irm_NorthAmericanRecordsAndInformationManagementMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "North American Records and Information Management, a reporting unit of Iron Mountain Incorporated.", "label": "North American Records And Information Management [Member]", "terseLabel": "North American Records And Information Management" } } }, "localname": "NorthAmericanRecordsAndInformationManagementMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails" ], "xbrltype": "domainItemType" }, "irm_NorthboroMa171BearfootRoadMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 171 Bearfoot Road, Northboro, Massachusetts.", "label": "Northboro Ma171 Bearfoot Road [Member]", "terseLabel": "Bearfoot Road, Northboro, Massachusetts" } } }, "localname": "NorthboroMa171BearfootRoadMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_NumberOfBanks": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of Banks", "label": "Number Of Banks", "terseLabel": "Number of banks" } } }, "localname": "NumberOfBanks", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/StockholdersEquityMattersAdditionalInformationDetails" ], "xbrltype": "integerItemType" }, "irm_NumberOfDataCenters": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of Data Centers", "label": "Number Of Data Centers", "terseLabel": "Number of data centers" } } }, "localname": "NumberOfDataCenters", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails" ], "xbrltype": "integerItemType" }, "irm_NumberOfFacilitiesLeased": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of facilities leased.", "label": "Number Of Facilities Leased", "terseLabel": "Number of facilities leased" } } }, "localname": "NumberOfFacilitiesLeased", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails", "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "integerItemType" }, "irm_NumberOfSeriesOfSeniorSubordinatedNotes": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents number of series of senior subordinated notes issued under various indentures.", "label": "Number of Series of Senior Subordinated Notes", "terseLabel": "Number of series of subordinated notes" } } }, "localname": "NumberOfSeriesOfSeniorSubordinatedNotes", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails" ], "xbrltype": "integerItemType" }, "irm_OSGAcquisitionMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "OSG Acquisition [Member]", "label": "OSG Acquisition [Member]", "terseLabel": "OSG Acquisition" } } }, "localname": "OSGAcquisitionMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "irm_OSGInvestmentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "OSG Investment [Member]", "label": "OSG Investment [Member]", "terseLabel": "OSG Investment" } } }, "localname": "OSGInvestmentMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "irm_OaklandCa1350WestGrandAveMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 1350 West Grand Ave, Oakland, California.", "label": "Oakland Ca1350 West Grand Ave [Member]", "terseLabel": "1350 West Grand Ave, Oakland, California" } } }, "localname": "OaklandCa1350WestGrandAveMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_Oldham17BroadgateMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 17 Broadgate, Oldham.", "label": "Oldham17 Broadgate [Member]", "terseLabel": "17 Broadgate, Oldham, England" } } }, "localname": "Oldham17BroadgateMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_OperatingLeaseModificationsAndReassessments": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Operating Lease Modifications And Reassessments", "label": "Operating Lease Modifications And Reassessments", "terseLabel": "Operating lease modifications and reassessments" } } }, "localname": "OperatingLeaseModificationsAndReassessments", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "irm_OperatingLeaseRightOfUseAssetNonRealEstateAssetsPercent": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Operating Lease, Right-Of-Use Asset, Non-Real Estate Assets, Percent", "label": "Operating Lease, Right-Of-Use Asset, Non-Real Estate Assets, Percent", "terseLabel": "Operating lease, right-of-use asset, non-real estate assets, percent" } } }, "localname": "OperatingLeaseRightOfUseAssetNonRealEstateAssetsPercent", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails" ], "xbrltype": "percentItemType" }, "irm_OperatingLeaseRightOfUseAssetRealEstateAssetsPercent": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Operating Lease, Right-Of-Use Asset, Real Estate Assets, Percent", "label": "Operating Lease, Right-Of-Use Asset, Real Estate Assets, Percent", "terseLabel": "Operating lease, right-of-use asset, real estate assets, percent" } } }, "localname": "OperatingLeaseRightOfUseAssetRealEstateAssetsPercent", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails" ], "xbrltype": "percentItemType" }, "irm_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsCurrentYear": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 1.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals Current Year", "label": "Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals Current Year", "negatedTerseLabel": "2019" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsCurrentYear", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "irm_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsThereafter": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 6.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum sublease rentals to be received by the lessee after the fifth fiscal year following the latest fiscal year for operating leases.", "label": "Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals Thereafter", "negatedTerseLabel": "Thereafter" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsThereafter", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "irm_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsWithinFiveYears": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 7.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum sublease rentals to be received by the lessee in the fifth fiscal year following the latest fiscal year for operating leases.", "label": "Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals within Five Years", "negatedTerseLabel": "2024" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsWithinFiveYears", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "irm_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsWithinFourYears": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 5.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum sublease rentals to be received by the lessee in the fourth fiscal year following the latest fiscal year for operating leases.", "label": "Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals within Four Years", "negatedTerseLabel": "2023" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsWithinFourYears", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "irm_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsWithinOneYear": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 2.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum sublease rentals to be received by the lessee in the next fiscal year following the latest fiscal year for operating leases.", "label": "Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals within One Year", "negatedTerseLabel": "2020" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsWithinOneYear", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "irm_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsWithinThreeYears": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 4.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum sublease rentals to be received by the lessee in the third fiscal year following the latest fiscal year for operating leases.", "label": "Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals within Three Years", "negatedTerseLabel": "2022" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsWithinThreeYears", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "irm_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsWithinTwoYears": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 3.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum sublease rentals to be received by the lessee in the second fiscal year following the latest fiscal year for operating leases.", "label": "Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals within Two Years", "negatedTerseLabel": "2021" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsWithinTwoYears", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "irm_OrangeCa1760NorthSaintThomasCircleMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 1760 North Saint Thomas Circle, Orange, California", "label": "Orange Ca1760 North Saint Thomas Circle [Member]", "terseLabel": "1760 North Saint Thomas Circle, Orange, California" } } }, "localname": "OrangeCa1760NorthSaintThomasCircleMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_OrlandoFl10002SatelliteBlvdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 10002 Satellite Blvd, Orlando, Florida.", "label": "Orlando Fl10002 Satellite Blvd [Member]", "terseLabel": "10002 Satellite Blvd, Orlando, Florida" } } }, "localname": "OrlandoFl10002SatelliteBlvdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_Other2017IndividuallyImmaterialBusinessAcquisitionsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Other 2017 Individually Immaterial Business Acquisitions [Member]", "label": "Other 2017 Individually Immaterial Business Acquisitions [Member]", "terseLabel": "Other 2017 Individually Immaterial Business Acquisitions" } } }, "localname": "Other2017IndividuallyImmaterialBusinessAcquisitionsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "irm_Other2018IndividuallyImmaterialBusinessAcquisitionsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Other 2018 Individually Immaterial Business Acquisitions [Member]", "label": "Other 2018 Individually Immaterial Business Acquisitions [Member]", "terseLabel": "Other 2018 Individually Immaterial Business Acquisitions" } } }, "localname": "Other2018IndividuallyImmaterialBusinessAcquisitionsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "irm_OtherAssetsNoncurrentConsolidatingBalanceSheet": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails": { "order": 4.0, "parentTag": "irm_AssetsNoncurrentExcludingPropertyPlantAndEquipmentNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Aggregate carrying amount, as of the balance sheet date, of noncurrent assets not separately disclosed in the consolidating balance sheet.", "label": "Other Assets, Noncurrent, Consolidating Balance Sheet", "terseLabel": "Other" } } }, "localname": "OtherAssetsNoncurrentConsolidatingBalanceSheet", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "irm_OtherComprehensiveIncomeLossForeignCurrencyTransactionandTranslationAdjustmentExcludingRedeemableNoncontrollingInterestNetofTax": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Excluding Redeemable Noncontrolling Interest, Net of Tax", "label": "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Excluding Redeemable Noncontrolling Interest, Net of Tax", "verboseLabel": "Foreign currency translation adjustment" } } }, "localname": "OtherComprehensiveIncomeLossForeignCurrencyTransactionandTranslationAdjustmentExcludingRedeemableNoncontrollingInterestNetofTax", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "irm_OtherInternationalBusinessMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Other International Business, a reportable operating segment of the entity. [Member]", "label": "Other International Business [Member]", "terseLabel": "Other International Business" } } }, "localname": "OtherInternationalBusinessMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails" ], "xbrltype": "domainItemType" }, "irm_OtherInternationalMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to other international geographical area not otherwise defined in the taxonomy.", "label": "Other International [Member]", "terseLabel": "Remaining Countries" } } }, "localname": "OtherInternationalMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SegmentInformationRevenueAndAssetInformationByGeographyAndServiceLineDetails" ], "xbrltype": "domainItemType" }, "irm_OtherLiabilitiesNoncurrentConsolidatingBalanceSheet": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Aggregate carrying amount, as of the balance sheet date, of noncurrent obligations not separately disclosed in the consolidating balance sheet.", "label": "Other Liabilities, Noncurrent, Consolidating Balance Sheet", "terseLabel": "Other Long-term Liabilities" } } }, "localname": "OtherLiabilitiesNoncurrentConsolidatingBalanceSheet", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "irm_OtherNonoperatingIncomeExpenseOtherNet": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesOtherExpenseIncomeNetDetails": { "order": 3.0, "parentTag": "us-gaap_OtherNonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The net amount of other nonoperating income and expense which is not otherwise specified in the taxonomy.", "label": "Other Nonoperating Income (Expense) Other, Net", "negatedLabel": "Other, net" } } }, "localname": "OtherNonoperatingIncomeExpenseOtherNet", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesOtherExpenseIncomeNetDetails" ], "xbrltype": "monetaryItemType" }, "irm_OtherNotesAndObligationsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents other long term notes and obligations which were assumed by the entity as a result of certain acquisitions.", "label": "Other Notes And Obligations [Member]", "terseLabel": "Other Notes And Obligations" } } }, "localname": "OtherNotesAndObligationsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "irm_Ottawa1209AlgomaRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 1209 Algoma Rd, Ottawa.", "label": "Ottawa1209 Algoma Rd [Member]", "terseLabel": "1209 Algoma Rd, Ottawa" } } }, "localname": "Ottawa1209AlgomaRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_Ottawa1650ComstockRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 1650 Comstock Rd, Ottawa.", "label": "Ottawa1650 Comstock Rd [Member]", "terseLabel": "1650 Comstock Rd, Ottawa" } } }, "localname": "Ottawa1650ComstockRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_OtterhamQuayLaneGillinghamUnitedKingdomMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member Otterham Quay Lane, Gillingham, United Kingdom", "label": "Otterham Quay Lane Gillingham United Kingdom [Member]", "terseLabel": "Otterham Quay Lane, Gillingham, England" } } }, "localname": "OtterhamQuayLaneGillinghamUnitedKingdomMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_PalmerTownshipPA2300NewlinMillRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Palmer Township PA 2300 Newlin Mill Rd [Member]", "label": "Palmer Township PA 2300 Newlin Mill Rd [Member]", "terseLabel": "2300 Newlins Mill Road, Palmer Township, Pennsylvania" } } }, "localname": "PalmerTownshipPA2300NewlinMillRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_PanamericanaNorte18900SantiagoChileMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member Panamericana Norte 18900, Santiago, Chile", "label": "Panamericana Norte18900 Santiago Chile [Member]", "terseLabel": "Panamericana Norte 18900, Santiago, Chile" } } }, "localname": "PanamericanaNorte18900SantiagoChileMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_PanamericanaSurKm57.5LimaPeruMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member Panamericana Sur, KM 57.5, Lima, Peru", "label": "Panamericana Sur Km57.5 Lima Peru [Member]", "terseLabel": "Panamericana Sur, KM 57.5, Lima, Peru" } } }, "localname": "PanamericanaSurKm57.5LimaPeruMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_PartnershipDriveOklahomaCityOklahomaMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Partnership Drive, Oklahoma City, Oklahoma [Member]", "label": "Partnership Drive, Oklahoma City, Oklahoma [Member]", "terseLabel": "Partnership Drive, Oklahoma City, Oklahoma" } } }, "localname": "PartnershipDriveOklahomaCityOklahomaMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_PawlingNy37HurdsCornerRoadMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 37 Hurds Corner Road, Pawling, New York.", "label": "Pawling Ny37 Hurds Corner Road [Member]", "terseLabel": "37 Hurds Corner Road, Pawling, New York" } } }, "localname": "PawlingNy37HurdsCornerRoadMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_PaymentsForStockPlans": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 11.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Payments For Stock Plans", "label": "Payments For Stock Plans", "negatedTerseLabel": "Net proceeds (payments) associated with employee stock-based awards" } } }, "localname": "PaymentsForStockPlans", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "irm_PaymentsforCustomerInducements": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Payments for Customer Inducements", "label": "Payments for Customer Inducements", "negatedLabel": "Customer inducements (see Note 2.i.)" } } }, "localname": "PaymentsforCustomerInducements", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "irm_PaymentsofStockIssuanceCostsPerShare": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Payments of Stock Issuance Costs Per Share", "label": "Payments of Stock Issuance Costs Per Share", "terseLabel": "Payments of stock issuance costs per share (in dollars per share)" } } }, "localname": "PaymentsofStockIssuanceCostsPerShare", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/StockholdersEquityMattersAdditionalInformationDetails" ], "xbrltype": "perShareItemType" }, "irm_PaymentstoAcquireIntangibleAssetsandCustomerInducements": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails": { "order": 3.0, "parentTag": "us-gaap_PaymentsToAcquireProductiveAssets", "weight": 1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Payments to Acquire Intangible Assets and Customer Inducements", "label": "Payments to Acquire Intangible Assets and Customer Inducements", "negatedLabel": "Acquisitions of customer relationships, customer inducements and data center lease-based intangibles", "terseLabel": "Acquisitions of Customer Relationships, Customer Inducements, Contract Fulfillment Costs and third-party commissions" } } }, "localname": "PaymentstoAcquireIntangibleAssetsandCustomerInducements", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "irm_PennineWayHemelHempsteadUnitedKingdomMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member Pennine Way, Hemel Hempstead, United Kingdom", "label": "Pennine Way Hemel Hempstead United Kingdom [Member]", "terseLabel": "Pennine Way, Hemel Hempstead, England" } } }, "localname": "PennineWayHemelHempsteadUnitedKingdomMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_PercentageOfAchievementOfPredefinedRevenueAndROICTargets": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the percentage of achievement of the predefined revenue and ROIC targets.", "label": "Percentage of Achievement of Predefined Revenue and ROIC Targets", "terseLabel": "Percentage of achievement of the predefined revenue and ROIC targets" } } }, "localname": "PercentageOfAchievementOfPredefinedRevenueAndROICTargets", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "percentItemType" }, "irm_PercentageOfOperatingLossCarryforwardsValuationAllowance": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "This element represents the percentage of operating loss carryforwards' valuation allowance.", "label": "Percentage of Operating Loss Carryforwards, Valuation Allowance", "terseLabel": "Net operating loss carryforwards subject to valuation allowance (as a percent)" } } }, "localname": "PercentageOfOperatingLossCarryforwardsValuationAllowance", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "percentItemType" }, "irm_PercentageOfRevenueFromSalesOfProducts": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Percentage Of Revenue From Sales Of Products", "label": "Percentage Of Revenue From Sales Of Products", "terseLabel": "Revenue from sales of products, percentage" } } }, "localname": "PercentageOfRevenueFromSalesOfProducts", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueNarrativeDetails" ], "xbrltype": "percentItemType" }, "irm_PercentageOfTotalDividendsPaid": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the percentage of total dividends paid.", "label": "Percentage of Total Dividends Paid", "terseLabel": "Percent of dividends paid" } } }, "localname": "PercentageOfTotalDividendsPaid", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/StockholdersEquityMattersAdditionalInformationDetails", "http://www.ironmountain.com/role/StockholdersEquityMattersClassificationOfDividendsPaidDetails" ], "xbrltype": "percentItemType" }, "irm_PercentageofAchievementRatePerformanceUnits": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the percentage of achievement rate for performance units that is used as basis of payouts under the plan.", "label": "Percentage of Achievement Rate Performance Units", "terseLabel": "Percentage payout rate" } } }, "localname": "PercentageofAchievementRatePerformanceUnits", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "percentItemType" }, "irm_PerformanceUnitsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "", "label": "Performance Units [Abstract]", "terseLabel": "Performance units disclosure" } } }, "localname": "PerformanceUnitsAbstract", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "stringItemType" }, "irm_PerformanceUnitsAdjustmentsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The adjustment performance shares issued under the entity's share-based compensation plans.", "label": "Performance Units Adjustments [Member]", "terseLabel": "PUs Adjustment" } } }, "localname": "PerformanceUnitsAdjustmentsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "irm_PerformanceUnitsOriginalAwardsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The original performance shares issued under the entity's share-based compensation plans.", "label": "Performance Units Original Awards [Member]", "verboseLabel": "Performance Units Original Awards" } } }, "localname": "PerformanceUnitsOriginalAwardsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "irm_PeriodOfAnniversaryFromTheDateOfGrant": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the period of anniversary from the date of grant used as a component in determining eligibility for immediate and complete vesting.", "label": "Period of Anniversary from the Date of Grant", "terseLabel": "Period of anniversary from the date of grant" } } }, "localname": "PeriodOfAnniversaryFromTheDateOfGrant", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "durationStringItemType" }, "irm_PeriodToChargeOffUncollectibleBalancesOfReceivableAsCircumstancesWarrant": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The general period to charge-off uncollectible balances of receivable, as circumstances warrant, is no later than this period of time past due.", "label": "Period to Charge Off Uncollectible Balances of Receivable as Circumstances Warrant", "terseLabel": "The general period to charge-off uncollectible balances of receivable, as circumstances warrant, is no later than this period of time past due" } } }, "localname": "PeriodToChargeOffUncollectibleBalancesOfReceivableAsCircumstancesWarrant", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAllowanceForDoubtfulAccountsAndCreditMemoReservesDetails" ], "xbrltype": "durationItemType" }, "irm_PermanentWithdrawalFeesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Permanent Withdrawal Fees [Member]", "label": "Permanent Withdrawal Fees [Member]", "terseLabel": "Permanent withdrawal fees" } } }, "localname": "PermanentWithdrawalFeesMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "irm_PhoenixAz2955S.18thPlaceMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 2955 S. 18th Place, Phoenix, AZ", "label": "Phoenix Az2955 S.18th Place [Member]", "terseLabel": "2955 S. 18th Place, Phoenix, Arizona" } } }, "localname": "PhoenixAz2955S.18thPlaceMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_PhoenixAz4449South36thStMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 4449 South 36th St, Phoenix, AZ.", "label": "Phoenix Az4449 South36th St [Member]", "terseLabel": "4449 South 36th St, Phoenix, Arizona" } } }, "localname": "PhoenixAz4449South36thStMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_PhoenixAz4802EastVanBurenMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Phoenix Az 4802 East Van Buren [Member]", "label": "Phoenix Az 4802 East Van Buren [Member]", "terseLabel": "4802 East Van Buren, Phoenix, Arizona" } } }, "localname": "PhoenixAz4802EastVanBurenMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_PhoenixAz615North48thStreetMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Phoenix Az615 North 48th Street [Member]", "label": "Phoenix Az615 North 48th Street [Member]", "terseLabel": "615 North 48th Street, Phoenix, Arizona" } } }, "localname": "PhoenixAz615North48thStreetMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_PortlandOr7530N.LeadbetterRoadMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 7530 N. Leadbetter Road, Portland, Oregon.", "label": "Portland Or7530 N. Leadbetter Road [Member]", "terseLabel": "7530 N. Leadbetter Road, Portland, Oregon" } } }, "localname": "PortlandOr7530N.LeadbetterRoadMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_Portsmuiden46AmsterdamTheNetherlandsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Portsmuiden 46, Amsterdam, The Netherlands [Member]", "label": "Portsmuiden 46, Amsterdam, The Netherlands [Member]", "terseLabel": "Portsmuiden 46, Amsterdam, The Netherlands" } } }, "localname": "Portsmuiden46AmsterdamTheNetherlandsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_PredefinedTargetsOfRevenueAndReturnOnInvestedCapitalOrAdjustedEBITDAMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Predefined Targets Of Revenue And Return On Invested Capital Or Adjusted EBITDA [Member]", "label": "Predefined Targets Of Revenue And Return On Invested Capital Or Adjusted EBITDA [Member]", "terseLabel": "Predefined Targets Of Revenue And Return On Invested Capital Or Adjusted EBITDA" } } }, "localname": "PredefinedTargetsOfRevenueAndReturnOnInvestedCapitalOrAdjustedEBITDAMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "irm_ProceedsFromIssuanceOfSecuredDebtShortTermAndLongTerm": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": 1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow from amounts received from issuance of long-term and short term debt that is wholly or partially secured by collateral.", "label": "Proceeds from Issuance of Secured Debt Short Term and Long Term", "terseLabel": "Proceeds from revolving credit and term loan facilities and other debt" } } }, "localname": "ProceedsFromIssuanceOfSecuredDebtShortTermAndLongTerm", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "irm_ProceedsFromLoansFromParent": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": 5.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Intercompany loans from parent.", "label": "Proceeds from Loans from Parent", "terseLabel": "Intercompany loans from parent" } } }, "localname": "ProceedsFromLoansFromParent", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "irm_ProceedsFromOverAllotmentOption": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": 9.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Proceeds From Over Allotment Option", "label": "Proceeds From Over Allotment Option", "terseLabel": "Net proceeds associated with the Equity Offering, including Over-Allotment Option" } } }, "localname": "ProceedsFromOverAllotmentOption", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "irm_ProceedsFromTheIssuanceOfEquityOffering": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 8.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Proceeds From The Issuance Of Equity Offering", "label": "Proceeds From The Issuance Of Equity Offering", "terseLabel": "Net proceeds associated with the Equity Offering, including Over-Allotment Option" } } }, "localname": "ProceedsFromTheIssuanceOfEquityOffering", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "irm_ProfitLossFromContinuingOperationsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Profit (Loss) From Continuing Operations [Member]", "label": "Profit (Loss) From Continuing Operations [Member]", "terseLabel": "Income (Loss) From Continuing Operations" } } }, "localname": "ProfitLossFromContinuingOperationsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails" ], "xbrltype": "domainItemType" }, "irm_ProjectSummitMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Project Summit [Member]", "label": "Project Summit [Member]", "terseLabel": "Project Summit Costs" } } }, "localname": "ProjectSummitMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/RestructuringChargesAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "irm_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "irm_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Property, Plant, And Equipment And Finance Lease Right-Of-Use Asset, Accumulated Depreciation And Amortization", "label": "Property, Plant, And Equipment And Finance Lease Right-Of-Use Asset, Accumulated Depreciation And Amortization", "negatedLabel": "Less\u2014Accumulated depreciation" } } }, "localname": "PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "irm_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Property, Plant, And Equipment And Finance Lease Right-Of-Use Asset, After Accumulated Depreciation And Amortization", "label": "Property, Plant, And Equipment And Finance Lease Right-Of-Use Asset, After Accumulated Depreciation And Amortization", "terseLabel": "Property, Plant and Equipment, Net", "totalLabel": "Property, Plant and Equipment, net" } } }, "localname": "PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "irm_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "irm_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Property, Plant, And Equipment And Finance Lease Right-Of-Use Asset, Before Accumulated Depreciation And Amortization", "label": "Property, Plant, And Equipment And Finance Lease Right-Of-Use Asset, Before Accumulated Depreciation And Amortization", "terseLabel": "Property, plant and equipment" } } }, "localname": "PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "irm_QRSCashPoolMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "QRS Cash Pool [Member]", "label": "QRS Cash Pool [Member]", "terseLabel": "QRS Cash Pool" } } }, "localname": "QRSCashPoolMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtCashPoolingDetails" ], "xbrltype": "domainItemType" }, "irm_QualifiedOrdinaryDividendsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information related to qualified ordinary dividends declared and/or paid.", "label": "Qualified Ordinary Dividends [Member]", "terseLabel": "Qualified ordinary dividends" } } }, "localname": "QualifiedOrdinaryDividendsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/StockholdersEquityMattersClassificationOfDividendsPaidDetails" ], "xbrltype": "domainItemType" }, "irm_QualifyingAgeForGrantOfPerformanceUnits": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the qualifying age of employee for grant of performance units.", "label": "Qualifying Age for Grant of Performance Units", "terseLabel": "Qualifying age for grant of performance units" } } }, "localname": "QualifyingAgeForGrantOfPerformanceUnits", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "durationItemType" }, "irm_RackingMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Long-lived, depreciable assets, commonly used in warehouses and stores.", "label": "Racking [Member]", "terseLabel": "Racking" } } }, "localname": "RackingMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "irm_RealEstateAndAccumulatedDepreciationAccumulatedDepreciationAdditions": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the total additions to accumulated depreciation of real estate owned by the entity.", "label": "Total additions", "terseLabel": "Total additions" } } }, "localname": "RealEstateAndAccumulatedDepreciationAccumulatedDepreciationAdditions", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "irm_RealEstateAndAccumulatedDepreciationAccumulatedDepreciationAdditionsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "No definition", "label": "Additions during period:", "terseLabel": "Additions during period:" } } }, "localname": "RealEstateAndAccumulatedDepreciationAccumulatedDepreciationAdditionsAbstract", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "stringItemType" }, "irm_RealEstateAndAccumulatedDepreciationAccumulatedDepreciationDeductionsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "No definition", "label": "Deductions during period", "terseLabel": "Deductions during period" } } }, "localname": "RealEstateAndAccumulatedDepreciationAccumulatedDepreciationDeductionsAbstract", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "stringItemType" }, "irm_RealEstateAndAccumulatedDepreciationInitialCostTotal": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Initial total cost for entities with a substantial portion of business acquiring and holding investment real estate.", "label": "Real Estate And Accumulated Depreciation Initial Cost Total", "terseLabel": "Initial cost to Company" } } }, "localname": "RealEstateAndAccumulatedDepreciationInitialCostTotal", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "monetaryItemType" }, "irm_RealEstateAndAccumulatedDepreciationRealEstateAdditions": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents the total additions to the gross amount of real estate owned by the entity.", "label": "Real Estate and Accumulated Depreciation Accumulated Depreciation Additions", "totalLabel": "Total additions" } } }, "localname": "RealEstateAndAccumulatedDepreciationRealEstateAdditions", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "irm_RealEstateAndAccumulatedDepreciationRealEstateAdditionsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "No definition", "label": "Real Estate and Accumulated Depreciation Real Estate Additions [Abstract]", "terseLabel": "Additions during period:" } } }, "localname": "RealEstateAndAccumulatedDepreciationRealEstateAdditionsAbstract", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "stringItemType" }, "irm_RealEstateAndAccumulatedDepreciationRealEstateDeductionsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "No definition", "label": "Deductions during period:", "terseLabel": "Deductions during period:" } } }, "localname": "RealEstateAndAccumulatedDepreciationRealEstateDeductionsAbstract", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "stringItemType" }, "irm_RealEstateGross": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Real Estate, Gross", "label": "Real Estate, Gross", "totalLabel": "Gross Amount of Real Estate Assets, As Disclosed in Note 2.f." } } }, "localname": "RealEstateGross", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "irm_RealEstateGrossReconcilingItems": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails": { "order": 1.0, "parentTag": "irm_RealEstateGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Real Estate Gross, Reconciling Items", "label": "Real Estate Gross, Reconciling Items", "totalLabel": "Total Reconciling Items" } } }, "localname": "RealEstateGrossReconcilingItems", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "irm_RealEstateMortgagesCapitalLeasesAndOtherMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to the real estate mortgages, capital leases and other debt.", "label": "Real Estate Mortgages Capital Leases And Other [Member]", "terseLabel": "Real Estate Mortgages, Capital Leases and Other" } } }, "localname": "RealEstateMortgagesCapitalLeasesAndOtherMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "irm_RecallDivestmentsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to the Initial United States Divestments, the Seattle/Atlanta Divestments, the Recall Canadian Divestments and the UK Divestments", "label": "Recall Divestments [Member]", "terseLabel": "Recall Divestments" } } }, "localname": "RecallDivestmentsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DivestmentsResultsOfOperationsDetails" ], "xbrltype": "domainItemType" }, "irm_RecallTransactionandIODCTransactionMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Recall Transaction and IODC Transaction [Member]", "label": "Recall Transaction and IODC Transaction [Member]", "terseLabel": "Recall Transaction and IODC Transaction" } } }, "localname": "RecallTransactionandIODCTransactionMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SegmentInformationReconciliationOfAdjustedEbitdaToIncomeLossFromContinuingOperationsDetails" ], "xbrltype": "domainItemType" }, "irm_RecordsManagementMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to records management, product or service that generates revenues for the entity.", "label": "Records Management [Member]", "terseLabel": "Records Management" } } }, "localname": "RecordsManagementMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SegmentInformationRevenueAndAssetInformationByGeographyAndServiceLineDetails" ], "xbrltype": "domainItemType" }, "irm_RedeemableNoncontrollingInterestsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Redeemable Noncontrolling Interests [Member]", "label": "Redeemable Noncontrolling Interests [Member]", "terseLabel": "Redeemable Noncontrolling Interests" } } }, "localname": "RedeemableNoncontrollingInterestsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity" ], "xbrltype": "domainItemType" }, "irm_RepaymentsOfSecuredDebtShortTermAndLongTerm": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": -1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow to repay long-term and short-term debt that is wholly or partially secured by collateral.", "label": "Repayments of Secured Debt Short Term and Long Term", "negatedLabel": "Repayment of revolving credit and term loan facilities and other debt" } } }, "localname": "RepaymentsOfSecuredDebtShortTermAndLongTerm", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "irm_RestrictedStockAndRestrictedStockUnitsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "This element represents restricted stock and restricted stock units.", "label": "Restricted Stock And Restricted Stock Units [Member]", "terseLabel": "Restricted Stock And Restricted Stock Units" } } }, "localname": "RestrictedStockAndRestrictedStockUnitsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "irm_ReturnOfCapitalMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information related to return of capital declared and/or paid.", "label": "Return Of Capital [Member]", "terseLabel": "Return of capital" } } }, "localname": "ReturnOfCapitalMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/StockholdersEquityMattersClassificationOfDividendsPaidDetails" ], "xbrltype": "domainItemType" }, "irm_RevenueGrowthAndReturnOnInvestedCapitalMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the revenue growth and return on invested capital, as a basis of grant of performance units.", "label": "Revenue Growth And Return On Invested Capital [Member]", "terseLabel": "Revenue or revenue growth and return on invested capital" } } }, "localname": "RevenueGrowthAndReturnOnInvestedCapitalMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "irm_RevenuefromContractwithCustomerExcludingAssessedTaxIntercompany": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails": { "order": 3.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Revenue from Contract with Customer, Excluding Assessed Tax, Intercompany", "label": "Revenue from Contract with Customer, Excluding Assessed Tax, Intercompany", "terseLabel": "Intercompany revenues" } } }, "localname": "RevenuefromContractwithCustomerExcludingAssessedTaxIntercompany", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "monetaryItemType" }, "irm_RioGrandePrLasFloresIndustrialParkMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Las Flores Industrial Park, Rio Grande, Puerto Rico.", "label": "Rio Grande Pr Las Flores Industrial Park [Member]", "terseLabel": "Las Flores Industrial Park, Rio Grande, Puerto Rico" } } }, "localname": "RioGrandePrLasFloresIndustrialParkMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_RivasVaciamadridFundicion8Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Fundicion 8, Rivas-Vaciamadrid.", "label": "Rivas Vaciamadrid Fundicion8 [Member]", "terseLabel": "Fundicion 8, Rivas-Vaciamadrid, Spain" } } }, "localname": "RivasVaciamadridFundicion8Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_RussiaandUkraineDivestmentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Russia and Ukraine Divestment [Member]", "label": "Russia and Ukraine Divestment [Member]", "terseLabel": "Russia and Ukraine Divestment" } } }, "localname": "RussiaandUkraineDivestmentMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesOtherExpenseIncomeNetDetails" ], "xbrltype": "domainItemType" }, "irm_SECScheduleIIIRealEstateAccumulatedDepreciationForeignCurrencyTranslationFluctuations": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "SEC Schedule III, Real Estate Accumulated Depreciation, Foreign Currency Translation Fluctuations", "label": "SEC Schedule III, Real Estate Accumulated Depreciation, Foreign Currency Translation Fluctuations", "negatedLabel": "Foreign currency translation fluctuations" } } }, "localname": "SECScheduleIIIRealEstateAccumulatedDepreciationForeignCurrencyTranslationFluctuations", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "irm_SECScheduleIIIRealEstateForeignCurrencyTranslationAdjustment": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails": { "order": 3.0, "parentTag": "irm_RealEstateAndAccumulatedDepreciationRealEstateAdditions", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "SEC Schedule III, Real Estate, Foreign Currency Translation Adjustment", "label": "SEC Schedule III, Real Estate, Foreign Currency Translation Adjustment", "negatedTerseLabel": "Foreign currency translation fluctuations" } } }, "localname": "SECScheduleIIIRealEstateForeignCurrencyTranslationAdjustment", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "irm_SaintPriestFrance45RuedeSavoieManissieuxMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Saint Priest France45 Rue de Savoie Manissieux [Member]", "label": "Saint Priest France45 Rue de Savoie Manissieux [Member]", "terseLabel": "45 Rue de Savoie, Manissieux, Saint Priest, France" } } }, "localname": "SaintPriestFrance45RuedeSavoieManissieuxMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_SaleofStockAuthorizedAmount": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Sale of Stock, Authorized Amount", "label": "Sale of Stock, Authorized Amount", "terseLabel": "Sale of stock, authorized amount" } } }, "localname": "SaleofStockAuthorizedAmount", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/StockholdersEquityMattersAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "irm_SaleofStockRemainingAggregateSalePriceOfStockAvailableForDistribution": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Sale of Stock, Remaining Aggregate Sale Price Of Stock Available For Distribution", "label": "Sale of Stock, Remaining Aggregate Sale Price Of Stock Available For Distribution", "terseLabel": "Sale of stock, remaining aggregate sale price of stock available for distribution" } } }, "localname": "SaleofStockRemainingAggregateSalePriceOfStockAvailableForDistribution", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/StockholdersEquityMattersAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "irm_SaltLakeCityUt1665S.5350WestMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 1665 S. 5350 West Salt Lake City, Utah.", "label": "Salt Lake City Ut1665 S.5350 West [Member]", "terseLabel": "1665 S. 5350 West, Salt Lake City, Utah" } } }, "localname": "SaltLakeCityUt1665S.5350WestMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_SanAntonioTx930AvenueBMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 930 Avenue B, San Antonio, Texas.", "label": "San Antonio Tx930 Avenue B [Member]", "terseLabel": "930 Avenue B, San Antonio, Texas" } } }, "localname": "SanAntonioTx930AvenueBMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_SanAntonioTx931NorthBroadwayMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 931 North Broadway, San Antonio, Texas.", "label": "San Antonio Tx931 North Broadway [Member]", "terseLabel": "931 North Broadway, San Antonio, Texas" } } }, "localname": "SanAntonioTx931NorthBroadwayMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_SanDiegoCa8661KernsStMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 8661 Kerns St, San Diego, California", "label": "San Diego Ca8661 Kerns St [Member]", "terseLabel": "8661 Kerns St, San Diego, California" } } }, "localname": "SanDiegoCa8661KernsStMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_SantaAnaCa1915SouthGrandAveMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 1915 South Grand Ave, Santa Ana, California", "label": "Santa Ana Ca1915 South Grand Ave [Member]", "terseLabel": "1915 South Grand Ave, Santa Ana, California" } } }, "localname": "SantaAnaCa1915SouthGrandAveMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_SantaFeChinaTransactionMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information pertaining to the Santa Fe China Transaction [Member]", "label": "Santa Fe China Transaction [Member]", "terseLabel": "Santa Fe China Transaction" } } }, "localname": "SantaFeChinaTransactionMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails", "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "domainItemType" }, "irm_Saraza6135BuenosAiresArgentinaMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member Saraza 6135, Buenos Aires, Argentina", "label": "Saraza6135 Buenos Aires Argentina [Member]", "terseLabel": "Saraza 6135, Buenos Aires, Argentina" } } }, "localname": "Saraza6135BuenosAiresArgentinaMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_Saskatoon235EdsonStreetMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 235 Edson Street, Saskatoon.", "label": "Saskatoon235 Edson Street [Member]", "terseLabel": "235 Edson Street, Saskatoon" } } }, "localname": "Saskatoon235EdsonStreetMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_Scarborough640CoronationDriveMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 640 Coronation Drive, Scarborough.", "label": "Scarborough640 Coronation Drive [Member]", "terseLabel": "640 Coronation Drive, Scarborough" } } }, "localname": "Scarborough640CoronationDriveMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_ScheduleOfGoodwillByReportableUnitsTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of goodwill by reportable segment.", "label": "Schedule of Goodwill by Reportable Units [Table Text Block]", "terseLabel": "Schedule of carrying value of goodwill, net for each of the reporting units" } } }, "localname": "ScheduleOfGoodwillByReportableUnitsTableTextBlock", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "irm_ScheduleOfNetCashPositionInCashPoolAgreementsTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Schedule Of Net Cash Position In Cash Pool Agreements [Table Text Block]", "label": "Schedule Of Net Cash Position In Cash Pool Agreements [Table Text Block]", "terseLabel": "Schedule of Net Cash Position in Cash Pool Agreements" } } }, "localname": "ScheduleOfNetCashPositionInCashPoolAgreementsTableTextBlock", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtTables" ], "xbrltype": "textBlockItemType" }, "irm_ScheduleOfPrepaidExpensesCurrentTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer.", "label": "Schedule of Prepaid Expenses Current [Table Text Block]", "terseLabel": "Components of prepaid expenses" } } }, "localname": "ScheduleOfPrepaidExpensesCurrentTableTextBlock", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "irm_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedIntrinsicValueTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the intrinsic value of stock options exercised.", "label": "Schedule of Share Based Compensation Arrangement by Share Based Payment Award, Options, Exercised, Intrinsic Value [Table Text Block]", "terseLabel": "Aggregate intrinsic value of stock options exercised" } } }, "localname": "ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedIntrinsicValueTableTextBlock", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "irm_ScheduleOfValuationAndQualifyingAccountsDisclosureTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The schedule of any allowance and reserve accounts (their beginning and ending balances, as well as reconciliation by type of activity during the period). Disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements.", "label": "Schedule of Valuation and Qualifying Accounts Disclosure [Table Text Block]", "terseLabel": "Roll forward of allowance for doubtful accounts and credit memo reserves" } } }, "localname": "ScheduleOfValuationAndQualifyingAccountsDisclosureTableTextBlock", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "irm_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseForDeferredFinancingCostsTableTextBlockTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the amount of amortization expense for deferred financing costs expected to be recorded in succeeding fiscal years.", "label": "ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseForDeferredFinancingCostsTableTextBlock [Table Text Block]", "terseLabel": "Schedule of amortization of deferred financing costs" } } }, "localname": "ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseForDeferredFinancingCostsTableTextBlockTableTextBlock", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "irm_ScheduleofLeverageandFixedChargeRatiosTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "[Table Text Block] for Schedule of Leverage and Fixed Charge Ratios [Table]", "label": "Schedule of Leverage and Fixed Charge Ratios [Table Text Block]", "terseLabel": "Schedule of Leverage and Fixed Charge Ratios" } } }, "localname": "ScheduleofLeverageandFixedChargeRatiosTableTextBlock", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtTables" ], "xbrltype": "textBlockItemType" }, "irm_ScheduleofReconciliationtoIncomeLossfromContinuingOperationsTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the reconciliation of adjusted EBITDA to income before provision (benefit) for income taxes on a consolidated basis.", "label": "Schedule of Reconciliation to Income (Loss) from Continuing Operations [Table Text Block]", "terseLabel": "Schedule of Reconciliation of Adjusted EBITDA to Income (Loss) From Continuing Operations on a Consolidated Basis" } } }, "localname": "ScheduleofReconciliationtoIncomeLossfromContinuingOperationsTableTextBlock", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SegmentInformationTables" ], "xbrltype": "textBlockItemType" }, "irm_ScheduleofclassificationofdividendspaidTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the classification of dividends paid.", "label": "Schedule of classification of dividends paid [Table Text Block]", "terseLabel": "Schedule of Classification of Dividends Paid" } } }, "localname": "ScheduleofclassificationofdividendspaidTableTextBlock", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/StockholdersEquityMattersTables" ], "xbrltype": "textBlockItemType" }, "irm_Schepenbergweg1AmsterdamTheNetherlandsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Schepenbergweg 1, Amsterdam, The Netherlands [Member]", "label": "Schepenbergweg 1, Amsterdam, The Netherlands [Member]", "terseLabel": "Schepenbergweg 1, Amsterdam, The Netherlands" } } }, "localname": "Schepenbergweg1AmsterdamTheNetherlandsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_ScottsdaleAz851PrincessDriveMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Scottsdale Az851 Princess Drive [Member]", "label": "Scottsdale Az851 Princess Drive [Member]", "terseLabel": "8521 E. Princess Drive, Scottsdale, Arizona" } } }, "localname": "ScottsdaleAz851PrincessDriveMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_SeattleWa120N.96thStMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Seattle Wa120 N.96th St [Member]", "label": "Seattle Wa120 N.96th St [Member]", "terseLabel": "1201 N. 96th St, Seattle, Washington" } } }, "localname": "SeattleWa120N.96thStMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_SelectedConsolidatedFinancialStatementsOfParentGuarantorsCanadaCompanyAndNonGuarantorsDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "", "label": "Selected Consolidated Financial Statements of Parent, Guarantors, Canada Company and Non-Guarantors" } } }, "localname": "SelectedConsolidatedFinancialStatementsOfParentGuarantorsCanadaCompanyAndNonGuarantorsDisclosureAbstract", "nsuri": "http://www.ironmountain.com/20191231", "xbrltype": "stringItemType" }, "irm_SelectedConsolidatedFinancialStatementsofParentGuarantorsCanadaCompanyandNonGuarantorsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Selected Consolidated Financial Statements of Parent, Guarantors, Canada Company and Non-Guarantors [Abstract]", "label": "Selected Consolidated Financial Statements of Parent, Guarantors, Canada Company and Non-Guarantors [Abstract]" } } }, "localname": "SelectedConsolidatedFinancialStatementsofParentGuarantorsCanadaCompanyandNonGuarantorsAbstract", "nsuri": "http://www.ironmountain.com/20191231", "xbrltype": "stringItemType" }, "irm_SeniorAndSeniorSubordinatedNotesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Senior And Senior Subordinated Notes [Member]", "label": "Senior And Senior Subordinated Notes [Member]", "terseLabel": "Senior And Senior Subordinated Notes" } } }, "localname": "SeniorAndSeniorSubordinatedNotesMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtCovenantRatiosDetails" ], "xbrltype": "domainItemType" }, "irm_SeniorNotes4.375Percentdue2021Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Senior Notes 4.375 Percent due 2021 [Member]", "label": "Senior Notes 4.375 Percent due 2021 [Member]", "terseLabel": "Senior Notes 4.375 Percent due 2021" } } }, "localname": "SeniorNotes4.375Percentdue2021Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails", "http://www.ironmountain.com/role/DebtRedemptionRatesDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "irm_SeniorNotes4.875PercentDue2029Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Senior Notes Due 2029 4.875 Percent [Member]", "label": "Senior Notes 4.875 Percent Due 2029 [Member]", "terseLabel": "Senior Notes 4.875 Percent due 2029" } } }, "localname": "SeniorNotes4.875PercentDue2029Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails", "http://www.ironmountain.com/role/DebtRedemptionRatesDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "irm_SeniorNotes4.875Percentdue2027Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Senior Notes 4.875 Percent due 2027 [Member]", "label": "Senior Notes 4.875 Percent due 2027 [Member]", "terseLabel": "Senior Notes 4.875 Percent due 2027" } } }, "localname": "SeniorNotes4.875Percentdue2027Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails", "http://www.ironmountain.com/role/DebtRedemptionRatesDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "irm_SeniorNotes5.25Percentdue2028Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information pertaining to the 5.25 Percent Senior Notes due 2028", "label": "Senior Notes 5.25 Percent due 2028 [Member]", "terseLabel": "Senior Notes 4.875 Percent due 2029" } } }, "localname": "SeniorNotes5.25Percentdue2028Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "irm_SeniorNotes5.375Percentdue2026Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Senior Notes 5.375 Percent due 2026 [Member]", "label": "Senior Notes 5.375 Percent due 2026 [Member]", "terseLabel": "Senior Notes 5.375 Percent due 2026" } } }, "localname": "SeniorNotes5.375Percentdue2026Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails", "http://www.ironmountain.com/role/DebtRedemptionRatesDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "irm_SeniorNotes6PercentDue2020Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Senior Notes 6 Percent Due 2020 [Member]", "label": "Senior Notes 6 Percent Due 2020 [Member]", "terseLabel": "Senior Notes 6 Percent Due 2020" } } }, "localname": "SeniorNotes6PercentDue2020Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails" ], "xbrltype": "domainItemType" }, "irm_SeniorNotes6Percentdue2023Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to the senior notes having an interest rate of 6 percent, due in 2023.", "label": "Senior Notes 6 Percent due 2023 [Member]", "terseLabel": "Senior Notes 6 Percent Due 2023" } } }, "localname": "SeniorNotes6Percentdue2023Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails", "http://www.ironmountain.com/role/DebtRedemptionRatesDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "irm_SeniorNotesdue20285.25PercentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information pertaining to the 5.25 Percent Senior Notes due 2028", "label": "Senior Notes due 2028 5.25 Percent [Member]", "terseLabel": "Senior Notes due 2028 5.25 Percent" } } }, "localname": "SeniorNotesdue20285.25PercentMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails", "http://www.ironmountain.com/role/DebtRedemptionRatesDetails" ], "xbrltype": "domainItemType" }, "irm_SeniorSubordinatedNotes5.75PercentDue2024Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to the senior subordinated notes having an interest rate of 5.75 percent, due in 2024.", "label": "Senior Subordinated Notes5.75 Percent Due2024 [Member]", "terseLabel": "Senior Subordinated Notes 5.75 Percent due 2024" } } }, "localname": "SeniorSubordinatedNotes5.75PercentDue2024Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails", "http://www.ironmountain.com/role/DebtRedemptionRatesDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "irm_SeniorSubordinatedNotesRepurchasePricePercentageOfPrincipalAmountPlusAccruedAndUnpaidInterestInEventOfChangeOfControl": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Repurchase price of senior subordinated notes as a percent of the principal amount, plus accrued and unpaid interest of the debt, if there is a change of control as specified in the applicable notes' indenture.", "label": "Senior Subordinated Notes, Repurchase Price, Percentage of Principal Amount Plus Accrued and Unpaid Interest in Event of Change of Control", "terseLabel": "Repurchase price in the event of change of control, percentage of principal plus accrued and unpaid interest" } } }, "localname": "SeniorSubordinatedNotesRepurchasePricePercentageOfPrincipalAmountPlusAccruedAndUnpaidInterestInEventOfChangeOfControl", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtRedemptionRatesDetails" ], "xbrltype": "percentItemType" }, "irm_SeriesofIndividuallyImmaterialBusinessAcquisitionsandIODCMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Series of Individually Immaterial Business Acquisitions and IODC [Member]", "label": "Series of Individually Immaterial Business Acquisitions and IODC [Member]", "terseLabel": "Series of Individually Immaterial Business Acquisitions and IODC" } } }, "localname": "SeriesofIndividuallyImmaterialBusinessAcquisitionsandIODCMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "domainItemType" }, "irm_ShanghaiWarehouseNo4Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Warehouse No 4, Shanghai.", "label": "Shanghai Warehouse No4 [Member]", "terseLabel": "Warehouse No 4, Shanghai, China" } } }, "localname": "ShanghaiWarehouseNo4Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPerformancePeriod": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "This element represents the period of time over which the entity's performance is evaluated for purposes of calculating the number of performance shares earned.", "label": "Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other than Options, Performance Period", "terseLabel": "Performance period" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPerformancePeriod", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "durationStringItemType" }, "irm_ShareBasedCompensationArrangementByShareBasedPaymentAwardLengthOfOfferingPeriod": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The length of time for the share-based compensation plan offering period for the purchase of stock.", "label": "Share Based Compensation Arrangement by Share Based Payment Award, Length of Offering Period", "terseLabel": "Employee stock purchase plan, duration of offering periods" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardLengthOfOfferingPeriod", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "durationStringItemType" }, "irm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfOfferingPeriods": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of Employee Stock Purchase Plan offering periods during the reporting period.", "label": "Share Based Compensation Arrangement by Share Based Payment Award, Number of Offering Periods", "terseLabel": "Employee stock purchase plan, number of offering periods" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfOfferingPeriods", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "integerItemType" }, "irm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsIntrinsicValueAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "", "label": "Share Based Compensation Arrangement by Share Based Payment Award, Options Intrinsic Value [Abstract]", "terseLabel": "Aggregate intrinsic value" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsIntrinsicValueAbstract", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "stringItemType" }, "irm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageExercisePriceAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "", "label": "Share Based Compensation Arrangement by Share Based Payment Award, Options Weighted Average Exercise Price [Abstract]", "terseLabel": "Weighted Average Exercise Price" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageExercisePriceAbstract", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "stringItemType" }, "irm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "", "label": "Share Based Compensation Arrangement by Share Based Payment Award, Options Weighted Average Remaining Contractual Term [Abstract]", "terseLabel": "Weighted average remaining contractual term" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "stringItemType" }, "irm_ShareBasedCompensationArrangementShareBasedPaymentAwardOptionsPercentageOfOutstandingOptions": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents certain options as a percentage of total outstanding options.", "label": "Share Based Compensation Arrangement Share Based Payment Award, Options, Percentage of Outstanding Options", "terseLabel": "Certain options as a percentage of total outstanding options" } } }, "localname": "ShareBasedCompensationArrangementShareBasedPaymentAwardOptionsPercentageOfOutstandingOptions", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "percentItemType" }, "irm_ShareholderReturnOfCommonStockMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the shareholder return of common stock, as a basis of grant of performance units.", "label": "Shareholder Return Of Common Stock [Member]", "terseLabel": "Market condition associated with shareholder return of common stock" } } }, "localname": "ShareholderReturnOfCommonStockMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "irm_SharonHillPAHendersonDrElmwoodAveMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Sharon Hill PAHenderson Dr/Elmwood Ave [Member]", "label": "Sharon Hill PAHenderson Dr/Elmwood Ave [Member]", "terseLabel": "Henderson Dr/Elmwood Ave, Sharon Hill, Pennsylvania" } } }, "localname": "SharonHillPAHendersonDrElmwoodAveMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_SignificantAcquisitionCostsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Significant Acquisition Costs [Member]", "label": "Significant Acquisition Costs [Member]", "terseLabel": "Significant Acquisition Costs" } } }, "localname": "SignificantAcquisitionCostsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfEffectOfChangesInPresentationDetails" ], "xbrltype": "domainItemType" }, "irm_Singapore26ChinBeeDriveMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Singapore 26 Chin Bee Drive [Member]", "label": "Singapore 26 Chin Bee Drive [Member]", "terseLabel": "26 Chin Bee Drive, Singapore" } } }, "localname": "Singapore26ChinBeeDriveMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_Singapore2YungHoRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Singapore 2 Yung Ho Rd [Member]", "label": "Singapore 2 Yung Ho Rd [Member]", "terseLabel": "2 Yung Ho Road, Singapore" } } }, "localname": "Singapore2YungHoRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_SmyrnaGa3150NifdaDrMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 3150 Nifda Dr, Smyrna, Georgia.", "label": "Smyrna Ga3150 Nifda Dr [Member]", "terseLabel": "3150 Nifda Dr, Smyrna, Georgia" } } }, "localname": "SmyrnaGa3150NifdaDrMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_SomersetNj650HowardAvenueMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 650 Howard Avenue, Somerset, New Jersey.", "label": "Somerset Nj650 Howard Avenue [Member]", "terseLabel": "650 Howard Avenue, Somerset, New Jersey" } } }, "localname": "SomersetNj650HowardAvenueMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_SopleyHarpwayLaneMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Harpway Lane, Sopley.", "label": "Sopley Harpway Lane [Member]", "terseLabel": "Harpway Lane, Sopley, England" } } }, "localname": "SopleyHarpwayLaneMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_SouthGateCa2680SequoiaDrMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 2680 Sequoia Dr, South Gate, California", "label": "South Gate Ca2680 Sequoia Dr [Member]", "terseLabel": "2680 Sequoia Dr, South Gate, California" } } }, "localname": "SouthGateCa2680SequoiaDrMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_SouthSanFranciscoCa336OysterPointBlvdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "South San Francisco Ca 336 Oyster Point Blvd [Member]", "label": "South San Francisco Ca 336 Oyster Point Blvd [Member]", "terseLabel": "336 Oyster Point Blvd, South San Francisco, California" } } }, "localname": "SouthSanFranciscoCa336OysterPointBlvdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_SpegazziniEzeizaBuenosAiresArgentinaMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member Spegazzini, Ezeiza Buenos Aires, Argentina", "label": "Spegazzini Ezeiza Buenos Aires Argentina [Member]", "terseLabel": "Spegazzini, Ezeiza Buenos Aires, Argentina" } } }, "localname": "SpegazziniEzeizaBuenosAiresArgentinaMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_SpokaneWa4330SouthGroveRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Spokane Wa4330 South Grove Rd [Member]", "label": "Spokane Wa4330 South Grove Rd [Member]", "terseLabel": "4330 South Grove Road, Spokane, Washington" } } }, "localname": "SpokaneWa4330SouthGroveRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_SpringfieldVa77007730SouthernDrMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 7700-7730 Southern Dr, Springfield, Virginia.", "label": "Springfield Va77007730 Southern Dr [Member]", "terseLabel": "7700-7730 Southern Dr, Springfield, Virginia" } } }, "localname": "SpringfieldVa77007730SouthernDrMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_SpringfieldVa8001ResearchWayMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 8001 Research Way, Springfield, Virginia.", "label": "Springfield Va8001 Research Way [Member]", "terseLabel": "8001 Research Way, Springfield, Virginia" } } }, "localname": "SpringfieldVa8001ResearchWayMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_StLawrenceMa216CanalMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 216 Canal St, Lawrence, Massachusetts.", "label": "St Lawrence Ma216 Canal [Member]", "terseLabel": "216 Canal St, Lawrence, Massachusetts" } } }, "localname": "StLawrenceMa216CanalMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_SterlingHeightsMi6601SterlingDrSouthMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 6601 Sterling Dr South, Sterling Heights, Michigan.", "label": "Sterling Heights Mi6601 Sterling Dr South [Member]", "terseLabel": "6601 Sterling Dr South, Sterling Heights, Michigan" } } }, "localname": "SterlingHeightsMi6601SterlingDrSouthMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_SterlingVa22445RandolphDrMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 22445 Randolph Dr Sterling, Virginia.", "label": "Sterling Va22445 Randolph Dr [Member]", "terseLabel": "22445 Randolph Dr, Sterling, Virginia" } } }, "localname": "SterlingVa22445RandolphDrMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_StockAndCashIncentivePlan2014Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the 2014 stock and cash incentive plan.", "label": "Stock And Cash Incentive Plan2014 [Member]", "terseLabel": "Stock And Cash Incentive Plan2014" } } }, "localname": "StockAndCashIncentivePlan2014Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "irm_StorageRecordsManagementAndArtStorageCompaniesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Storage, Records Management And Art Storage Companies [Member]", "label": "Storage, Records Management And Art Storage Companies [Member]", "terseLabel": "Storage, Records Management And Art Storage Companies" } } }, "localname": "StorageRecordsManagementAndArtStorageCompaniesMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "irm_StorageRentalMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Storage Rental [Member]", "label": "Storage Rental [Member]", "terseLabel": "Storage rental" } } }, "localname": "StorageRentalMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueNarrativeDetails" ], "xbrltype": "domainItemType" }, "irm_StorageRentalPowerAndConnectivityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Storage Rental, Power And Connectivity [Member]", "label": "Storage Rental, Power And Connectivity [Member]", "terseLabel": "Power and connectivity" } } }, "localname": "StorageRentalPowerAndConnectivityMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueNarrativeDetails" ], "xbrltype": "domainItemType" }, "irm_StorageandDataManagementCompanyMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Storage and Data Management Company [Member]", "label": "Storage and Data Management Company [Member]", "terseLabel": "Storage and Data Management Company" } } }, "localname": "StorageandDataManagementCompanyMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "irm_StorageandRecordsManagementCompanyMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Storage and Records Management Company [Member]", "label": "Storage and Records Management Company [Member]", "terseLabel": "Storage and Records Management Company" } } }, "localname": "StorageandRecordsManagementCompanyMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "irm_Stupnikeipkovine62Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Stupni\u010dke \u0160ipkovine 62 [Member]", "label": "Stupni\u010dke \u0160ipkovine 62 [Member]", "terseLabel": "Stupni\u010dke \u0160ipkovine 62, Zagreb, Croatia" } } }, "localname": "Stupnikeipkovine62Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_SwindonUnit1aBroadmoorRoadMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Unit 1A Broadmoor Road, Swindon.", "label": "Swindon Unit1a Broadmoor Road [Member]", "terseLabel": "Unit 1A Broadmoor Road, Swindom, England" } } }, "localname": "SwindonUnit1aBroadmoorRoadMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_SyracuseNy220WavelStMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 220 Wavel St, Syracuse, New York.", "label": "Syracuse Ny220 Wavel St [Member]", "terseLabel": "220 Wavel St, Syracuse, New York" } } }, "localname": "SyracuseNy220WavelStMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_TRSCashPoolMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "TRS Cash Pool [Member]", "label": "TRS Cash Pool [Member]", "terseLabel": "TRS Cash Pool" } } }, "localname": "TRSCashPoolMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtCashPoolingDetails" ], "xbrltype": "domainItemType" }, "irm_TargetPercentageOfDebtPortfolioWithFixedInterestRates": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Target Percentage Of Debt Portfolio With Fixed Interest Rates", "label": "Target Percentage Of Debt Portfolio With Fixed Interest Rates", "terseLabel": "Target percentage of debt portfolio with fixed interest rates" } } }, "localname": "TargetPercentageOfDebtPortfolioWithFixedInterestRates", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesDerivativeInstrumentsAndHedgingActivitiesDetails" ], "xbrltype": "percentItemType" }, "irm_TaxCutsAndJobsActOf2017IncompleteAccountingGlobalIntangibleLowTaxedIncomeIncomeTaxExpenseBenefit": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Global Intangible Low-Taxed Income, Income Tax Expense (Benefit)", "label": "Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Global Intangible Low-Taxed Income, Income Tax Expense (Benefit)", "terseLabel": "GILTI estimate" } } }, "localname": "TaxCutsAndJobsActOf2017IncompleteAccountingGlobalIntangibleLowTaxedIncomeIncomeTaxExpenseBenefit", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "irm_TechnologyEscrowServicesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Technology Escrow Services [Member]", "label": "Technology Escrow Services [Member]", "terseLabel": "Technology Escrow Services" } } }, "localname": "TechnologyEscrowServicesMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails" ], "xbrltype": "domainItemType" }, "irm_TermLoanAMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Term Loan A [Member]", "label": "Term Loan A [Member]", "terseLabel": "Term Loan A" } } }, "localname": "TermLoanAMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "irm_TermLoanBMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Term Loan B [Member]", "label": "Term Loan B [Member]", "terseLabel": "Term Loan B" } } }, "localname": "TermLoanBMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "irm_TermLoanFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to the term loan facility.", "label": "Term Loan Facility [Member]", "terseLabel": "Term Loan Facility" } } }, "localname": "TermLoanFacilityMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "irm_ThreeYearVestingOptionMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Three Year Vesting Option [Member]", "label": "Three Year Vesting Option [Member]", "terseLabel": "Three Year Vesting Option" } } }, "localname": "ThreeYearVestingOptionMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "irm_ThresholdPercentageOfCurrentAssetsAndLiabilitiesRequiredToBeDisclosedSeparately": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the minimum percentage of current assets and liability required to be disclosed separately.", "label": "Threshold Percentage of Current Assets and Liabilities Required to be Disclosed Separately", "terseLabel": "Minimum percentage of current assets and liabilities required to be disclosed separately" } } }, "localname": "ThresholdPercentageOfCurrentAssetsAndLiabilitiesRequiredToBeDisclosedSeparately", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPrepaidExpensesAndAccruedExpensesDetails" ], "xbrltype": "percentItemType" }, "irm_ToledoOh302SouthByrneRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 302 South Byrne Rd, Toledo, Ohio.", "label": "Toledo Oh302 South Byrne Rd [Member]", "terseLabel": "302 South Byrne Rd, Toledo, Ohio" } } }, "localname": "ToledoOh302SouthByrneRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_TolucaLote2ManzanaT2T3Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Lote 2, Manzana A, (T2& T3), Toluca.", "label": "Toluca Lote2 Manzana T2 T3 [Member]", "terseLabel": "Lote 2, Manzana A, (T2& T3), Toluca, Mexico" } } }, "localname": "TolucaLote2ManzanaT2T3Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_TolucaProlongacionDeLaCalle7T4Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Prolongacion de la Calle 7 (T4), Toluca.", "label": "Toluca Prolongacion De La Calle7 T4 [Member]", "terseLabel": "Prolongacion de la Calle 7 (T4), Toluca, Mexico" } } }, "localname": "TolucaProlongacionDeLaCalle7T4Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_TracyCa25250SouthSchulteRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 25250 South Schulte Rd, Tracy, California", "label": "Tracy Ca25250 South Schulte Rd [Member]", "terseLabel": "25250 South Schulte Rd, Tracy, California" } } }, "localname": "TracyCa25250SouthSchulteRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_TraquairRdInnerleithenScotlandMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Traquair Rd Innerleithen Scotland [Member]", "label": "Traquair Rd Innerleithen Scotland [Member]", "terseLabel": "Traquair Road, Innerleithen, Scotland" } } }, "localname": "TraquairRdInnerleithenScotlandMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_TwoThousandEighteenMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Two Thousand Eighteen [Member]", "label": "Two Thousand Eighteen [Member]", "terseLabel": "Two Thousand Eighteen" } } }, "localname": "TwoThousandEighteenMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "irm_TwoThousandSeventeenMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Two Thousand Seventeen [Member]", "label": "Two Thousand Seventeen [Member]", "terseLabel": "Two Thousand Seventeen" } } }, "localname": "TwoThousandSeventeenMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "irm_TwoThousandSixteenMemberMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Two Thousand Sixteen [Member] [Member]", "label": "Two Thousand Sixteen [Member] [Member]", "terseLabel": "Two Thousand Sixteen" } } }, "localname": "TwoThousandSixteenMemberMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "irm_UKBilateralRevolvingCreditFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "UK Bilateral Revolving Credit Facility [Member]", "label": "UK Bilateral Revolving Credit Facility [Member]", "terseLabel": "UK Bilateral Revolving Credit Facility" } } }, "localname": "UKBilateralRevolvingCreditFacilityMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails", "http://www.ironmountain.com/role/DebtUkBilateralRevolvingCreditFacilityDetails" ], "xbrltype": "domainItemType" }, "irm_UlsterAveRoute9wPortEwenNewYorkMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member Ulster Ave/Route 9W, Port Ewen, New York", "label": "Ulster Ave Route9w Port Ewen New York [Member]", "terseLabel": "Ulster Ave/Route 9W, Port Ewen, New York" } } }, "localname": "UlsterAveRoute9wPortEwenNewYorkMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_UnamortizedDebtIssuanceExpenseCurrent": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails": { "order": 1.0, "parentTag": "us-gaap_UnamortizedDebtIssuanceExpense", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Unamortized Debt Issuance Expense, Current", "label": "Unamortized Debt Issuance Expense, Current", "negatedTerseLabel": "Unamortized deferred financing costs, current portion" } } }, "localname": "UnamortizedDebtIssuanceExpenseCurrent", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "irm_UnamortizedDebtIssuanceExpenseNet": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails": { "order": 2.0, "parentTag": "us-gaap_UnamortizedDebtIssuanceExpense", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Unamortized Debt Issuance Expense, Net", "label": "Unamortized Debt Issuance Expense, Net", "negatedTerseLabel": "Unamortized deferred financing costs" } } }, "localname": "UnamortizedDebtIssuanceExpenseNet", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "irm_UnrecognizedTaxBenefitsIncludedInDeferredIncomeTaxes": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the amount relating to portion of uncertain tax positions included in deferred income taxes in the balance sheet.", "label": "Unrecognized Tax Benefits Included In Deferred Income Taxes", "terseLabel": "Deferred income taxes including unrecognized tax benefits" } } }, "localname": "UnrecognizedTaxBenefitsIncludedInDeferredIncomeTaxes", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "irm_UnrecognizedTaxBenefitsIncludedInOtherLongTermLiabilities": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the amount realating to portion of uncertain tax position included in other long term liabilities in balance sheet.", "label": "Unrecognized Tax Benefits Included In Other Long term Liabilities", "terseLabel": "Unrecognized tax benefits included in other long-term liabilities" } } }, "localname": "UnrecognizedTaxBenefitsIncludedInOtherLongTermLiabilities", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "irm_UnrecognizedTaxBenefitsNetOfFederalTaxBenefit": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date net of federal tax benefits.", "label": "Unrecognized Tax Benefits, Net of Federal Tax Benefit", "terseLabel": "Unrecognized tax benefits net of federal benefits" } } }, "localname": "UnrecognizedTaxBenefitsNetOfFederalTaxBenefit", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "irm_UnrecognizedTaxBenefitsthatWouldImpactEffectiveTaxRateNetOfFederalTaxBenefit": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Unrecognized Tax Benefits that Would Impact Effective Tax Rate, Net Of Federal Tax Benefit", "label": "Unrecognized Tax Benefits that Would Impact Effective Tax Rate, Net Of Federal Tax Benefit", "terseLabel": "Unrecognized tax benefits that would impact tax rate, net of federal tax benefit" } } }, "localname": "UnrecognizedTaxBenefitsthatWouldImpactEffectiveTaxRateNetOfFederalTaxBenefit", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "irm_V8700MercuryLanePicoMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 8700 Mercury Lane Pico, Rivera, California.", "label": "V8700 Mercury Lane Pico [Member]", "terseLabel": "8700 Mercury Lane, Pico Rivera, California" } } }, "localname": "V8700MercuryLanePicoMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_ValueAddedTaxLiability": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Value Added Tax Liability", "label": "Value Added Tax Liability", "terseLabel": "VAT liability" } } }, "localname": "ValueAddedTaxLiability", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails", "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementNarrativeDetailsDetails" ], "xbrltype": "monetaryItemType" }, "irm_Vareseweg130RotterdamTheNetherlandsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Vareseweg 130, Rotterdam, The Netherlands [Member]", "label": "Vareseweg 130, Rotterdam, The Netherlands [Member]", "terseLabel": "Vareseweg 130, Rotterdam, The Netherlands" } } }, "localname": "Vareseweg130RotterdamTheNetherlandsMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_VehicleAndEquipmentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Vehicle And Equipment [Member]", "label": "Vehicle And Equipment [Member]", "terseLabel": "Vehicle And Equipment" } } }, "localname": "VehicleAndEquipmentMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails" ], "xbrltype": "domainItemType" }, "irm_ViennaGewerbeparkstr.3Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Gewerbeparkstr. 3, Vienna.", "label": "Vienna Gewerbeparkstr.3 [Member]", "terseLabel": "Gewerbeparkstr. 3, Vienna, Austria" } } }, "localname": "ViennaGewerbeparkstr.3Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_WahlCourtWarrenMichiganMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents member Wahl Court, Warren, Michigan", "label": "Wahl Court Warren Michigan [Member]", "terseLabel": "Wahl Court, Warren, Michigan" } } }, "localname": "WahlCourtWarrenMichiganMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_WarehouseEquipmentAndVehiclesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Long lived, depreciable assets commonly used in warehouses.", "label": "Warehouse Equipment And Vehicles [Member]", "terseLabel": "Warehouse equipment/vehicles" } } }, "localname": "WarehouseEquipmentAndVehiclesMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "irm_WarrenMi1985BartAveMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 1985 Bart Ave, Warren, Michigan.", "label": "Warren Mi1985 Bart Ave [Member]", "terseLabel": "1985 Bart Ave, Warren, Michigan" } } }, "localname": "WarrenMi1985BartAveMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_WauwatsaWi12021WestBluemoundRoadMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Wauwatsa Wi12021 West Bluemound Road [Member]", "label": "Wauwatsa Wi12021 West Bluemound Road [Member]", "terseLabel": "12021 West Bluemound Road, Wauwatosa, Wisconsin" } } }, "localname": "WauwatsaWi12021WestBluemoundRoadMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_WestPalmBeachFl3501ElectronicsWayMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 3501 Electronics Way, West Palm Beach, Florida.", "label": "West Palm Beach Fl3501 Electronics Way [Member]", "terseLabel": "3501 Electronics Way, West Palm Beach, Florida" } } }, "localname": "WestPalmBeachFl3501ElectronicsWayMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_WesternEuropeMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Western Europe, a reporting unit of Iron Mountain Incorporated.", "label": "Western Europe [Member]", "terseLabel": "Western Europe" } } }, "localname": "WesternEuropeMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails" ], "xbrltype": "domainItemType" }, "irm_WesternEuropeanBusinessMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Western European Business, a reportable operating segment of the entity. [Member]", "label": "Western European Business [Member]", "terseLabel": "Western European Business" } } }, "localname": "WesternEuropeanBusinessMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails" ], "xbrltype": "domainItemType" }, "irm_WilmingtonDe150200ToddsLnMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 150-200 Todds Ln, Wilmington, Delaware.", "label": "Wilmington De150200 Todds Ln [Member]", "terseLabel": "150-200 Todds Ln, Wilmington, Delaware" } } }, "localname": "WilmingtonDe150200ToddsLnMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_Windsor610SprucewoodAveMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 610 Sprucewood Ave, Windsor.", "label": "Windsor610 Sprucewood Ave [Member]", "terseLabel": "610 Sprucewood Ave, Windsor" } } }, "localname": "Windsor610SprucewoodAveMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_WinsdorLocksCt293EllaGrassoRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 293 Ella Grasso Rd, Winsdor Locks, Connecticut.", "label": "Winsdor Locks Ct293 Ella Grasso Rd [Member]", "terseLabel": "293 Ella Grasso Rd, Windsor Locks, Connecticut" } } }, "localname": "WinsdorLocksCt293EllaGrassoRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_WipshausenBrommerWeg1Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to Brommer Weg 1, Wipshausen.", "label": "Wipshausen Brommer Weg1 [Member]", "terseLabel": "Brommer Weg 1, Wipshausen, Germany" } } }, "localname": "WipshausenBrommerWeg1Member", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "irm_WixomMi31155WixomRdMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to 31155 Wixom Rd, Wixom, Michigan.", "label": "Wixom Mi31155 Wixom Rd [Member]", "terseLabel": "31155 Wixom Rd, Wixom, Michigan" } } }, "localname": "WixomMi31155WixomRdMember", "nsuri": "http://www.ironmountain.com/20191231", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "srt_AsiaMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Continent of Asia.", "label": "Asia [Member]", "terseLabel": "Asia" } } }, "localname": "AsiaMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "srt_AsiaPacificMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Region of Asia Pacific.", "label": "Asia Pacific [Member]", "terseLabel": "Asia Pacific" } } }, "localname": "AsiaPacificMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "srt_CondensedBalanceSheetStatementTable": { "auth_ref": [ "r167", "r440", "r652" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about condensed balance sheet, including, but not limited to, balance sheets of consolidated entities and consolidation eliminations.", "label": "Condensed Balance Sheet Statement [Table]", "terseLabel": "Condensed Balance Sheet Statement [Table]" } } }, "localname": "CondensedBalanceSheetStatementTable", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "stringItemType" }, "srt_CondensedBalanceSheetStatementsCaptionsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Condensed Balance Sheet Statements, Captions [Line Items]", "terseLabel": "Consolidating financial statements" } } }, "localname": "CondensedBalanceSheetStatementsCaptionsLineItems", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "stringItemType" }, "srt_CondensedCashFlowStatementTable": { "auth_ref": [ "r167", "r440", "r654" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about condensed cash flow statement, including, but not limited to, cash flow statements of consolidated entities and consolidation eliminations.", "label": "Condensed Cash Flow Statement [Table]", "terseLabel": "Condensed Cash Flow Statement [Table]" } } }, "localname": "CondensedCashFlowStatementTable", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "stringItemType" }, "srt_CondensedCashFlowStatementsCaptionsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Condensed Cash Flow Statements, Captions [Line Items]", "terseLabel": "Consolidating financial statements" } } }, "localname": "CondensedCashFlowStatementsCaptionsLineItems", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "stringItemType" }, "srt_CondensedIncomeStatementTable": { "auth_ref": [ "r167", "r440", "r654" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about condensed income statement including, but not limited to, income statements of consolidated entities and consolidation eliminations.", "label": "Condensed Income Statement [Table]", "terseLabel": "Condensed Income Statement [Table]" } } }, "localname": "CondensedIncomeStatementTable", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "stringItemType" }, "srt_CondensedIncomeStatementsCaptionsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Condensed Income Statements, Captions [Line Items]", "terseLabel": "Consolidating financial statements" } } }, "localname": "CondensedIncomeStatementsCaptionsLineItems", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "stringItemType" }, "srt_ConsolidatedEntitiesAxis": { "auth_ref": [ "r635", "r649" ], "lang": { "en-US": { "role": { "documentation": "Information by consolidated entity or group of entities.", "label": "Consolidated Entities [Axis]", "terseLabel": "Consolidated Entities [Axis]" } } }, "localname": "ConsolidatedEntitiesAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "stringItemType" }, "srt_ConsolidatedEntitiesDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Entity or group of entities consolidated into reporting entity.", "label": "Consolidated Entities [Domain]", "terseLabel": "Consolidated Entities [Domain]" } } }, "localname": "ConsolidatedEntitiesDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "domainItemType" }, "srt_ConsolidationEliminationsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Eliminating entries used in consolidating a parent entity and its subsidiaries.", "label": "Consolidation, Eliminations [Member]", "terseLabel": "Eliminations" } } }, "localname": "ConsolidationEliminationsMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "domainItemType" }, "srt_ConsolidationItemsAxis": { "auth_ref": [ "r208", "r218" ], "lang": { "en-US": { "role": { "documentation": "Information by components, eliminations, non-segment corporate-level activity and reconciling items used in consolidating a parent entity and its subsidiaries or its operating segments.", "label": "Consolidation Items [Axis]", "terseLabel": "Consolidation Items [Axis]" } } }, "localname": "ConsolidationItemsAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "stringItemType" }, "srt_ConsolidationItemsDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Components, elimination, non-segment corporate-level activity and reconciling items used in consolidating a parent entity and its subsidiaries or its operating segments.", "label": "Consolidation Items [Domain]", "terseLabel": "Consolidation Items [Domain]" } } }, "localname": "ConsolidationItemsDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "domainItemType" }, "srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock": { "auth_ref": [ "r645" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of contractual obligation by timing of payment due. Includes, but is not limited to, long-term debt obligation, lease obligation, and purchase obligation.", "label": "Contractual Obligation, Fiscal Year Maturity [Table Text Block]", "terseLabel": "Contractual obligations related to purchase commitments" } } }, "localname": "ContractualObligationFiscalYearMaturityScheduleTableTextBlock", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesTables" ], "xbrltype": "textBlockItemType" }, "srt_CurrencyAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by currency.", "label": "Currency [Axis]", "terseLabel": "Currency [Axis]" } } }, "localname": "CurrencyAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails" ], "xbrltype": "stringItemType" }, "srt_EquityMethodInvesteeNameDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Name of investment, including named security. Excludes consolidated entity.", "label": "Investment, Name [Domain]", "terseLabel": "Investment, Name [Domain]" } } }, "localname": "EquityMethodInvesteeNameDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "srt_EuropeMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Continent of Europe.", "label": "Europe [Member]", "terseLabel": "Europe" } } }, "localname": "EuropeMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "srt_GuarantorSubsidiariesMember": { "auth_ref": [ "r295", "r656" ], "lang": { "en-US": { "role": { "documentation": "Entity owned or controlled by another entity which has guaranteed the issue of securities by another subsidiary of the parent or has guaranteed the issue of securities by the parent.", "label": "Guarantor Subsidiaries [Member]", "terseLabel": "Guarantors" } } }, "localname": "GuarantorSubsidiariesMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "domainItemType" }, "srt_LatinAmericaMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Region of Latin America.", "label": "Latin America [Member]", "terseLabel": "Latin America" } } }, "localname": "LatinAmericaMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails" ], "xbrltype": "domainItemType" }, "srt_MaximumMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Upper limit of the provided range.", "label": "Maximum [Member]", "terseLabel": "Maximum" } } }, "localname": "MaximumMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails", "http://www.ironmountain.com/role/DebtCovenantRatiosDetails", "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails", "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "srt_MinimumMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Lower limit of the provided range.", "label": "Minimum [Member]", "terseLabel": "Minimum" } } }, "localname": "MinimumMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails", "http://www.ironmountain.com/role/DebtCovenantRatiosDetails", "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "srt_NonGuarantorSubsidiariesMember": { "auth_ref": [ "r296", "r657" ], "lang": { "en-US": { "role": { "documentation": "Entity owned or controlled by another entity which has not guaranteed the issue of securities by another subsidiary of the parent or has not guaranteed the issue of securities by the parent.", "label": "Non-Guarantor Subsidiaries [Member]", "terseLabel": "Non-Guarantor Subsidiaries" } } }, "localname": "NonGuarantorSubsidiariesMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "domainItemType" }, "srt_NorthAmericaMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Continent of North America.", "label": "North America [Member]", "terseLabel": "North America" } } }, "localname": "NorthAmericaMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "srt_ParentCompanyMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The registrant that controls, directly or indirectly, another entity (or entities). The usual condition for control is ownership of a majority (over 50%) of the outstanding voting stock. The power to control may also exist with a lesser percentage of ownership, for example, by contract, lease, agreement with other stockholders or by court decree.", "label": "Parent Company [Member]", "terseLabel": "Parent" } } }, "localname": "ParentCompanyMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "domainItemType" }, "srt_ProductOrServiceAxis": { "auth_ref": [ "r220", "r327", "r329", "r620", "r621" ], "lang": { "en-US": { "role": { "documentation": "Information by product and service, or group of similar products and similar services.", "label": "Product and Service [Axis]", "terseLabel": "Product and Service [Axis]" } } }, "localname": "ProductOrServiceAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/SegmentInformationRevenueAndAssetInformationByGeographyAndServiceLineDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueNarrativeDetails" ], "xbrltype": "stringItemType" }, "srt_ProductsAndServicesDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Product or service, or a group of similar products or similar services.", "label": "Product and Service [Domain]", "terseLabel": "Product and Service [Domain]" } } }, "localname": "ProductsAndServicesDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/SegmentInformationRevenueAndAssetInformationByGeographyAndServiceLineDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueNarrativeDetails" ], "xbrltype": "domainItemType" }, "srt_RangeAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by statistical measurement. Includes, but is not limited to, minimum, maximum, weighted average, arithmetic average, and median.", "label": "Statistical Measurement [Axis]", "terseLabel": "Statistical Measurement [Axis]" } } }, "localname": "RangeAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails", "http://www.ironmountain.com/role/DebtCovenantRatiosDetails", "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails", "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "stringItemType" }, "srt_RangeMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Statistical measurement. Includes, but is not limited to, minimum, maximum, weighted average, arithmetic average, and median.", "label": "Statistical Measurement [Domain]", "terseLabel": "Statistical Measurement [Domain]" } } }, "localname": "RangeMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails", "http://www.ironmountain.com/role/DebtCovenantRatiosDetails", "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails", "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "srt_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances": { "auth_ref": [ "r629", "r653" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lien or mortgage outstanding on real estate investment properties for entities with a substantial portion of business acquiring and holding investment real estate.", "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances", "terseLabel": "Encumbrances" } } }, "localname": "RealEstateAndAccumulatedDepreciationAmountOfEncumbrances", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "monetaryItemType" }, "srt_RealEstateAndAccumulatedDepreciationByPropertyTable": { "auth_ref": [ "r637", "r655" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about real estate investments and accompanying accumulated depreciation for entities with a substantial portion of business acquiring and holding investment real estate.", "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, by Property [Table]", "terseLabel": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, by Property [Table]" } } }, "localname": "RealEstateAndAccumulatedDepreciationByPropertyTable", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "stringItemType" }, "srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis": { "auth_ref": [ "r637", "r655", "r659" ], "lang": { "en-US": { "role": { "documentation": "Information by name of property.", "label": "Name of Property [Axis]", "terseLabel": "Name of Property [Axis]" } } }, "localname": "RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "stringItemType" }, "srt_RealEstateAndAccumulatedDepreciationDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract]" } } }, "localname": "RealEstateAndAccumulatedDepreciationDisclosureAbstract", "nsuri": "http://fasb.org/srt/2019-01-31", "xbrltype": "stringItemType" }, "srt_RealEstateAndAccumulatedDepreciationDisclosureTextBlock": { "auth_ref": [ "r637", "r655" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure of real estate investments and associated accumulated depreciation for entities with a significant portion of their business acquiring and holding investment real estate.", "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Text Block]", "terseLabel": "Schedule III - Schedule of Real Estate and Accumulated Depreciation" } } }, "localname": "RealEstateAndAccumulatedDepreciationDisclosureTextBlock", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciation" ], "xbrltype": "textBlockItemType" }, "srt_RealEstateAndAccumulatedDepreciationLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]", "terseLabel": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]" } } }, "localname": "RealEstateAndAccumulatedDepreciationLineItems", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "stringItemType" }, "srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Name of the property, for example, but not limited to, ABC Shopping Center.", "label": "Name of Property [Domain]", "terseLabel": "Name of Property [Domain]" } } }, "localname": "RealEstateAndAccumulatedDepreciationNameOfPropertyDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "domainItemType" }, "srt_RealEstateFederalIncomeTaxBasis": { "auth_ref": [ "r636", "r651" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Cost basis of real estate investments for federal income tax purposes for entities with a substantial portion of business acquiring and holding investment real estate.", "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Federal Income Tax Basis", "terseLabel": "Aggregate Cost of Real Estate Assets" } } }, "localname": "RealEstateFederalIncomeTaxBasis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "srt_ReportableLegalEntitiesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Legal entities of the consolidated entity reporting separate financial information in the entity's financial statements.", "label": "Reportable Legal Entities [Member]", "terseLabel": "Reportable legal entities" } } }, "localname": "ReportableLegalEntitiesMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "domainItemType" }, "srt_RestatementAdjustmentMember": { "auth_ref": [ "r173", "r174", "r175", "r176" ], "lang": { "en-US": { "role": { "documentation": "Effect of a correction of an error, other prior year adjustment, or application of a new accounting pronouncement on a financial statement line item or any per share amounts. The cumulative effect of the change on retained earnings or net assets in the statement of financial position would also be represented under this domain member.", "label": "Restatement Adjustment [Member]", "terseLabel": "Restatement" } } }, "localname": "RestatementAdjustmentMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementNarrativeDetailsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfEffectOfChangesInPresentationDetails" ], "xbrltype": "domainItemType" }, "srt_RestatementAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by revision of previously issued financial statements.", "label": "Restatement [Axis]", "terseLabel": "Restatement [Axis]" } } }, "localname": "RestatementAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementNarrativeDetailsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfEffectOfChangesInPresentationDetails" ], "xbrltype": "stringItemType" }, "srt_RestatementDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Revision of previously issued financial statements.", "label": "Restatement [Domain]", "terseLabel": "Restatement [Domain]" } } }, "localname": "RestatementDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementNarrativeDetailsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfEffectOfChangesInPresentationDetails" ], "xbrltype": "domainItemType" }, "srt_SECScheduleIIIRealEstateNumberOfUnits": { "auth_ref": [ "r634", "r648" ], "lang": { "en-US": { "role": { "documentation": "Number of units of real estate held for investment for entities with a substantial portion of business acquiring and holding investment real estate.", "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units", "terseLabel": "Facilities" } } }, "localname": "SECScheduleIIIRealEstateNumberOfUnits", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "integerItemType" }, "srt_ScenarioForecastMember": { "auth_ref": [ "r647" ], "lang": { "en-US": { "role": { "documentation": "Information reported for future period.", "label": "Forecast [Member]", "terseLabel": "Forecast" } } }, "localname": "ScenarioForecastMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/RestructuringChargesAdditionalInformationDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails" ], "xbrltype": "domainItemType" }, "srt_ScenarioUnspecifiedDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Scenario reported, distinguishing information from actual fact. Includes, but is not limited to, pro forma and forecast. Excludes actual facts.", "label": "Scenario [Domain]", "terseLabel": "Scenario [Domain]" } } }, "localname": "ScenarioUnspecifiedDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/RestructuringChargesAdditionalInformationDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails" ], "xbrltype": "domainItemType" }, "srt_ScheduleOfCondensedBalanceSheetTableTextBlock": { "auth_ref": [ "r658" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of condensed balance sheet, including, but not limited to, balance sheets of consolidated entities and consolidation eliminations.", "label": "Condensed Balance Sheet [Table Text Block]", "terseLabel": "Schedule of Selected Consolidated Balance Sheets of Parent, Guarantors and Non-Guarantors" } } }, "localname": "ScheduleOfCondensedBalanceSheetTableTextBlock", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsTables" ], "xbrltype": "textBlockItemType" }, "srt_ScheduleOfCondensedCashFlowStatementTableTextBlock": { "auth_ref": [ "r658" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of condensed cash flow statement, including, but not limited to, cash flow statements of consolidated entities and consolidation eliminations.", "label": "Condensed Cash Flow Statement [Table Text Block]", "terseLabel": "Schedule of Selected Consolidated Statements of Cash Flows of Parent, Guarantors and Non-Guarantors" } } }, "localname": "ScheduleOfCondensedCashFlowStatementTableTextBlock", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsTables" ], "xbrltype": "textBlockItemType" }, "srt_ScheduleOfCondensedIncomeStatementTableTextBlock": { "auth_ref": [ "r658" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of condensed income statement, including, but not limited to, income statements of consolidated entities and consolidation eliminations.", "label": "Condensed Income Statement [Table Text Block]", "terseLabel": "Schedule of Selected Consolidated Statements of Operations of Parent, Guarantors and Non-Guarantors" } } }, "localname": "ScheduleOfCondensedIncomeStatementTableTextBlock", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsTables" ], "xbrltype": "textBlockItemType" }, "srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis": { "auth_ref": [ "r231" ], "lang": { "en-US": { "role": { "documentation": "Information by name of investment, including named security. Excludes consolidated entity.", "label": "Investment, Name [Axis]", "terseLabel": "Investment, Name [Axis]" } } }, "localname": "ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails" ], "xbrltype": "stringItemType" }, "srt_SegmentGeographicalDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Geographical area.", "label": "Geographical [Domain]", "terseLabel": "Geographical [Domain]" } } }, "localname": "SegmentGeographicalDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndAssetInformationByGeographyAndServiceLineDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLongLivedAssetsDetails" ], "xbrltype": "domainItemType" }, "srt_StatementGeographicalAxis": { "auth_ref": [ "r222", "r327", "r330", "r622", "r626", "r634", "r648", "r650" ], "lang": { "en-US": { "role": { "documentation": "Information by geographical components.", "label": "Geographical [Axis]", "terseLabel": "Geographical [Axis]" } } }, "localname": "StatementGeographicalAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndAssetInformationByGeographyAndServiceLineDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLongLivedAssetsDetails" ], "xbrltype": "stringItemType" }, "srt_StatementScenarioAxis": { "auth_ref": [ "r282", "r558" ], "lang": { "en-US": { "role": { "documentation": "Information by scenario reported, distinguishing information from actual fact. Includes, but is not limited to, pro forma and forecast. Excludes actual facts.", "label": "Scenario [Axis]", "terseLabel": "Scenario [Axis]" } } }, "localname": "StatementScenarioAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/RestructuringChargesAdditionalInformationDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails" ], "xbrltype": "stringItemType" }, "srt_WeightedAverageMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Average of a range of values, calculated with consideration of proportional relevance.", "label": "Weighted Average [Member]", "terseLabel": "Weighted Average" } } }, "localname": "WeightedAverageMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccountingPoliciesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Accounting Policies [Abstract]" } } }, "localname": "AccountingPoliciesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_AccountingStandardsUpdate201409Member": { "auth_ref": [ "r331" ], "lang": { "en-US": { "role": { "documentation": "Accounting Standards Update 2014-09 Revenue from Contracts with Customers (Topic 606).", "label": "Accounting Standards Update 2014-09 [Member]", "terseLabel": "ASU 2014-09" } } }, "localname": "AccountingStandardsUpdate201409Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccountingStandardsUpdate201602Member": { "auth_ref": [ "r524" ], "lang": { "en-US": { "role": { "documentation": "Accounting Standards Update 2016-02 Leases (Topic 842).", "label": "Accounting Standards Update 2016-02 [Member]", "terseLabel": "ASU 2016-02" } } }, "localname": "AccountingStandardsUpdate201602Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity", "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccountsPayableCurrent": { "auth_ref": [ "r66" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Accounts Payable, Current", "terseLabel": "Accounts payable" } } }, "localname": "AccountsPayableCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccountsPayableRelatedPartiesCurrent": { "auth_ref": [ "r66", "r164", "r551", "r552", "r553" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Accounts Payable, Related Parties, Current", "terseLabel": "Intercompany Payable" } } }, "localname": "AccountsPayableRelatedPartiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccountsReceivableNetCurrent": { "auth_ref": [ "r28", "r50", "r224", "r225", "r328" ], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails": { "order": 2.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.", "label": "Accounts Receivable, after Allowance for Credit Loss, Current", "terseLabel": "Accounts receivable", "verboseLabel": "Accounts receivable (less allowances of $42,856 and $43,584 as of December 31, 2019 and 2018, respectively)" } } }, "localname": "AccountsReceivableNetCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccruedBonusesCurrent": { "auth_ref": [ "r33", "r34", "r69" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPrepaidExpensesAndAccruedExpensesDetails": { "order": 2.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Accrued Bonuses, Current", "terseLabel": "Incentive compensation" } } }, "localname": "AccruedBonusesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPrepaidExpensesAndAccruedExpensesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccruedLiabilitiesCurrent": { "auth_ref": [ "r69" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 }, "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPrepaidExpensesAndAccruedExpensesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Accrued Liabilities, Current", "terseLabel": "Accrued expenses and other current liabilities (includes current portion of operating lease liabilities, see Note 2.m.)", "totalLabel": "Accrued expenses", "verboseLabel": "Accrued expenses and other current liabilities" } } }, "localname": "AccruedLiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPrepaidExpensesAndAccruedExpensesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccumulatedAmortizationDeferredFinanceCosts": { "auth_ref": [ "r65", "r515" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of accumulated amortization of debt issuance costs.", "label": "Accumulated Amortization, Debt Issuance Costs", "terseLabel": "Accumulated amortization of deferred financing costs" } } }, "localname": "AccumulatedAmortizationDeferredFinanceCosts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesDeferredFinancingCostsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment": { "auth_ref": [ "r64", "r261" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_PropertyPlantAndEquipmentNet", "weight": -1.0 }, "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.", "label": "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment", "negatedLabel": "Less\u2014Accumulated depreciation", "totalLabel": "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment" } } }, "localname": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccumulatedDistributionsInExcessOfNetIncome": { "auth_ref": [ "r624" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_StockholdersEquity", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount as of the balance sheet date by which cumulative distributions to shareholders (or partners) exceed retained earnings (or accumulated earnings).", "label": "Accumulated Distributions in Excess of Net Income", "negatedLabel": "(Distributions in excess of earnings) Earnings in excess of distributions", "negatedTerseLabel": "(Distribution in excess of earnings) Earnings in excess of distributions" } } }, "localname": "AccumulatedDistributionsInExcessOfNetIncome", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementNarrativeDetailsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember": { "auth_ref": [ "r624" ], "lang": { "en-US": { "role": { "documentation": "Cumulative distributions to shareholders (or partners) in excess of retained earnings (or accumulated earnings).", "label": "Accumulated Distributions in Excess of Net Income [Member]", "terseLabel": "Earnings in Excess of Distributions (Distributions in Excess of Earnings)" } } }, "localname": "AccumulatedDistributionsInExcessOfNetIncomeMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity" ], "xbrltype": "domainItemType" }, "us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember": { "auth_ref": [ "r90", "r102", "r453" ], "lang": { "en-US": { "role": { "documentation": "Accumulated other comprehensive income (loss) from gain (loss) of derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness, attributable to parent.", "label": "Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]", "terseLabel": "Change in Fair Value of Derivative Instruments" } } }, "localname": "AccumulatedGainLossNetCashFlowHedgeParentMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember": { "auth_ref": [ "r86", "r90", "r94", "r453" ], "lang": { "en-US": { "role": { "documentation": "Accumulated other comprehensive income (loss) resulting from gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges, attributable to the parent.", "label": "Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]", "terseLabel": "Change in Fair Value of Derivative Instruments" } } }, "localname": "AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Accumulated Other Comprehensive Income (Loss) [Line Items]", "terseLabel": "Accumulated other comprehensive items, net" } } }, "localname": "AccumulatedOtherComprehensiveIncomeLossLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax": { "auth_ref": [ "r88", "r89", "r90" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.", "label": "Accumulated Other Comprehensive Income (Loss), Net of Tax", "terseLabel": "Accumulated other comprehensive items, net" } } }, "localname": "AccumulatedOtherComprehensiveIncomeLossNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccumulatedOtherComprehensiveIncomeLossTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about components of accumulated other comprehensive income (loss).", "label": "Accumulated Other Comprehensive Income (Loss) [Table]", "terseLabel": "Accumulated Other Comprehensive Income (Loss) [Table]" } } }, "localname": "AccumulatedOtherComprehensiveIncomeLossTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AccumulatedOtherComprehensiveIncomeMember": { "auth_ref": [ "r87", "r90", "r94", "r454" ], "lang": { "en-US": { "role": { "documentation": "Accumulated increase (decrease) in equity from transactions and other events and circumstances from non-owner sources, attributable to the parent. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners.", "label": "AOCI Attributable to Parent [Member]", "terseLabel": "Total", "verboseLabel": "Accumulated Other Comprehensive Items, Net" } } }, "localname": "AccumulatedOtherComprehensiveIncomeMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccumulatedTranslationAdjustmentMember": { "auth_ref": [ "r85", "r90", "r94", "r454" ], "lang": { "en-US": { "role": { "documentation": "Accumulated other comprehensive income (loss) resulting from foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to the parent.", "label": "Accumulated Foreign Currency Adjustment Attributable to Parent [Member]", "terseLabel": "Foreign Currency Translation Adjustment" } } }, "localname": "AccumulatedTranslationAdjustmentMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife": { "auth_ref": [ "r249" ], "lang": { "en-US": { "role": { "documentation": "Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Acquired Finite-lived Intangible Assets, Weighted Average Useful Life", "terseLabel": "Acquired finite-lived intangible assets, weighted average useful life" } } }, "localname": "AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "durationItemType" }, "us-gaap_AcquisitionCosts": { "auth_ref": [ "r566", "r567" ], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails": { "order": 6.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The capitalized costs incurred during the period (excluded from amortization) to purchase, lease or otherwise acquire an unproved property, including costs of lease bonuses and options to purchase or lease properties, the portion of costs applicable to minerals when land including mineral rights is purchased in fee, brokers' fees, recording fees, legal costs, and other costs incurred in acquiring properties.", "label": "Acquisition Costs, Period Cost", "terseLabel": "Significant Acquisition Costs", "verboseLabel": "Significant Acquisition Costs" } } }, "localname": "AcquisitionCosts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfEffectOfChangesInPresentationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdditionalPaidInCapitalCommonStock": { "auth_ref": [ "r51" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.", "label": "Additional Paid in Capital, Common Stock", "terseLabel": "Additional paid-in capital" } } }, "localname": "AdditionalPaidInCapitalCommonStock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdditionalPaidInCapitalMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders.", "label": "Additional Paid-in Capital [Member]", "terseLabel": "Additional Paid-in Capital" } } }, "localname": "AdditionalPaidInCapitalMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity" ], "xbrltype": "domainItemType" }, "us-gaap_AdjustmentForAmortization": { "auth_ref": [ "r141", "r254" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.", "label": "Amortization", "terseLabel": "Amortization (includes amortization of deferred financing costs and discounts of $16,740, $15,675 and $14,962 in 2019, 2018 and 2017, respectively)" } } }, "localname": "AdjustmentForAmortization", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdjustmentsForErrorCorrectionDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the types error corrections made to the financial statements.", "label": "Adjustments for Error Correction [Domain]", "terseLabel": "Adjustments for Error Correction [Domain]" } } }, "localname": "AdjustmentsForErrorCorrectionDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfEffectOfChangesInPresentationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AdjustmentsForNewAccountingPronouncementsAxis": { "auth_ref": [ "r172" ], "lang": { "en-US": { "role": { "documentation": "Information by new accounting pronouncement.", "label": "Adjustments for New Accounting Pronouncements [Axis]", "terseLabel": "Adjustments for New Accounting Pronouncements [Axis]" } } }, "localname": "AdjustmentsForNewAccountingPronouncementsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity", "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]", "terseLabel": "Adjustments to reconcile net income (loss) to cash flows from operating activities:" } } }, "localname": "AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_AllocatedShareBasedCompensationExpense": { "auth_ref": [ "r338", "r369", "r373" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.", "label": "Share-based Payment Arrangement, Expense", "terseLabel": "Stock-based compensation" } } }, "localname": "AllocatedShareBasedCompensationExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after tax, of expense for award under share-based payment arrangement.", "label": "Share-based Payment Arrangement, Expense, after Tax", "terseLabel": "Stock-based compensation expense (income), net of tax" } } }, "localname": "AllocatedShareBasedCompensationExpenseNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AllowanceForCreditLossMember": { "auth_ref": [ "r169" ], "lang": { "en-US": { "role": { "documentation": "Allowance for credit loss from right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.", "label": "SEC Schedule, 12-09, Allowance, Credit Loss [Member]", "terseLabel": "SEC Schedule, 12-09, Allowance, Credit Loss" } } }, "localname": "AllowanceForCreditLossMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAllowanceForDoubtfulAccountsAndCreditMemoReservesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent": { "auth_ref": [ "r55", "r226", "r232" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of allowance for credit loss on accounts receivable, classified as current.", "label": "Accounts Receivable, Allowance for Credit Loss, Current", "terseLabel": "Accounts receivable, allowances" } } }, "localname": "AllowanceForDoubtfulAccountsReceivableCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "monetaryItemType" }, "us-gaap_AmortizationOfFinancingCostsAndDiscounts": { "auth_ref": [ "r141", "r515" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.", "label": "Amortization of Debt Issuance Costs and Discounts", "terseLabel": "Deferred financing costs and discount included in Amortization" } } }, "localname": "AmortizationOfFinancingCostsAndDiscounts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlowsParenthetical" ], "xbrltype": "monetaryItemType" }, "us-gaap_AmortizationOfIntangibleAssets": { "auth_ref": [ "r141", "r247", "r254" ], "calculation": { "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails": { "order": 2.0, "parentTag": "us-gaap_DepreciationDepletionAndAmortization", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.", "label": "Amortization of Intangible Assets", "verboseLabel": "Amortization" } } }, "localname": "AmortizationOfIntangibleAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount": { "auth_ref": [ "r186" ], "lang": { "en-US": { "role": { "documentation": "Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.", "label": "Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount", "terseLabel": "Antidilutive stock options, RSUs and PUs, excluded from the calculation (in shares)" } } }, "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_AociLossCashFlowHedgeCumulativeGainLossAfterTax": { "auth_ref": [ "r88" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after tax, of accumulated gain (loss) on derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.", "label": "AOCI, Cash Flow Hedge, Cumulative Gain (Loss), after Tax", "negatedTerseLabel": "Cumulative unrealized losses within accumulated other comprehensive items, net" } } }, "localname": "AociLossCashFlowHedgeCumulativeGainLossAfterTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesInterestRateSwapAgreementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetImpairmentCharges": { "auth_ref": [ "r141", "r257" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.", "label": "Asset Impairment Charges", "terseLabel": "Write down of property" } } }, "localname": "AssetImpairmentCharges", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLongLivedAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetRetirementObligation": { "auth_ref": [ "r270" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.", "label": "Asset Retirement Obligation", "terseLabel": "Asset retirement obligations" } } }, "localname": "AssetRetirementObligation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_Assets": { "auth_ref": [ "r213", "r582", "r606" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.", "label": "Assets", "terseLabel": "Total Assets", "totalLabel": "Total Assets" } } }, "localname": "Assets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Assets [Abstract]", "terseLabel": "ASSETS", "verboseLabel": "ASSETS" } } }, "localname": "AssetsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AssetsCurrent": { "auth_ref": [ "r30", "r31", "r79" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.", "label": "Assets, Current", "totalLabel": "Total Current Assets" } } }, "localname": "AssetsCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsCurrentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Assets, Current [Abstract]", "terseLabel": "Current Assets:" } } }, "localname": "AssetsCurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AwardDateAxis": { "auth_ref": [ "r340", "r371" ], "lang": { "en-US": { "role": { "documentation": "Information by date or year award under share-based payment arrangement is granted.", "label": "Award Date [Axis]", "terseLabel": "Award Date [Axis]" } } }, "localname": "AwardDateAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AwardDateDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Date or year award under share-based payment arrangement is granted.", "label": "Award Date [Domain]", "terseLabel": "Award Date [Domain]" } } }, "localname": "AwardDateDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AwardTypeAxis": { "auth_ref": [ "r340", "r371" ], "lang": { "en-US": { "role": { "documentation": "Information by type of award under share-based payment arrangement.", "label": "Award Type [Axis]", "terseLabel": "Award Type [Axis]" } } }, "localname": "AwardTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_BalanceSheetLocationAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by location on balance sheet (statement of financial position).", "label": "Balance Sheet Location [Axis]", "terseLabel": "Balance Sheet Location [Axis]" } } }, "localname": "BalanceSheetLocationAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesForwardCurrencyContractsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesInterestRateSwapAgreementsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetInvestmentHedgesDetails", "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_BalanceSheetLocationDomain": { "auth_ref": [ "r468", "r472" ], "lang": { "en-US": { "role": { "documentation": "Location in the balance sheet (statement of financial position).", "label": "Balance Sheet Location [Domain]", "terseLabel": "Balance Sheet Location [Domain]" } } }, "localname": "BalanceSheetLocationDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesForwardCurrencyContractsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesInterestRateSwapAgreementsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetInvestmentHedgesDetails", "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_BelowMarketLeaseAccumulatedAmortization": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails": { "order": 2.0, "parentTag": "us-gaap_BelowMarketLeaseNet", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of accumulated amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life.", "label": "Below Market Lease, Accumulated Amortization", "negatedTerseLabel": "Accumulated Amortization" } } }, "localname": "BelowMarketLeaseAccumulatedAmortization", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BelowMarketLeaseGross": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails": { "order": 1.0, "parentTag": "us-gaap_BelowMarketLeaseNet", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount before amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life.", "label": "Below Market Lease, Gross", "terseLabel": "Gross Carrying Amount" } } }, "localname": "BelowMarketLeaseGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BelowMarketLeaseNet": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life.", "label": "Below Market Lease, Net", "totalLabel": "Net Carrying Amount" } } }, "localname": "BelowMarketLeaseNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BuildingAndBuildingImprovementsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Facility held for productive use including, but not limited to, office, production, storage and distribution facilities and any addition, improvement, or renovation to the structure, for example, but not limited to, interior masonry, interior flooring, electrical, and plumbing.", "label": "Building and Building Improvements [Member]", "terseLabel": "Buildings and building improvements" } } }, "localname": "BuildingAndBuildingImprovementsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "us-gaap_BusinessAcquisitionAcquireeDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Identification of the acquiree in a material business combination (or series of individually immaterial business combinations), which may include the name or other type of identification of the acquiree.", "label": "Business Acquisition, Acquiree [Domain]", "terseLabel": "Business Acquisition, Acquiree [Domain]" } } }, "localname": "BusinessAcquisitionAcquireeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails", "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails", "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/SegmentInformationReconciliationOfAdjustedEbitdaToIncomeLossFromContinuingOperationsDetails", "http://www.ironmountain.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_BusinessAcquisitionAxis": { "auth_ref": [ "r423", "r424" ], "lang": { "en-US": { "role": { "documentation": "Information by business combination or series of individually immaterial business combinations.", "label": "Business Acquisition [Axis]", "terseLabel": "Business Acquisition [Axis]" } } }, "localname": "BusinessAcquisitionAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails", "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails", "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/SegmentInformationReconciliationOfAdjustedEbitdaToIncomeLossFromContinuingOperationsDetails", "http://www.ironmountain.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued": { "auth_ref": [ "r437" ], "lang": { "en-US": { "role": { "documentation": "Number of shares of equity interests issued or issuable to acquire entity.", "label": "Business Acquisition, Equity Interest Issued or Issuable, Number of Shares", "terseLabel": "Issuance of common stock (in shares)" } } }, "localname": "BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_BusinessAcquisitionLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Business Acquisition [Line Items]", "terseLabel": "Business Acquisition [Line Items]" } } }, "localname": "BusinessAcquisitionLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails", "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired": { "auth_ref": [ "r418" ], "lang": { "en-US": { "role": { "documentation": "Percentage of voting equity interests acquired at the acquisition date in the business combination.", "label": "Business Acquisition, Percentage of Voting Interests Acquired", "terseLabel": "Equity interest acquired" } } }, "localname": "BusinessAcquisitionPercentageOfVotingInterestsAcquired", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/SubsequentEventsDetails" ], "xbrltype": "percentItemType" }, "us-gaap_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareBasic": { "auth_ref": [ "r421", "r422" ], "lang": { "en-US": { "role": { "documentation": "Per basic share amount of pro forma income from continuing operations, after tax, as if the business combination had been completed at the beginning of a period.", "label": "Business Acquisition, Pro Forma Income (Loss) from Continuing Operations, Net of Tax, Per Share, Basic", "verboseLabel": "Per Share Income from Continuing Operations - Basic (in dollars per share)" } } }, "localname": "BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareBasic", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsProFormaFinancialInformationDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted": { "auth_ref": [ "r421", "r422" ], "lang": { "en-US": { "role": { "documentation": "Per diluted share amount of pro forma income from continuing operations, after tax, as if the business combination had been completed at the beginning of a period.", "label": "Business Acquisition, Pro Forma Income (Loss) from Continuing Operations, Net of Tax, Per Share, Diluted", "verboseLabel": "Per Share Income from Continuing Operations - Diluted (in dollars per share)" } } }, "localname": "BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsProFormaFinancialInformationDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_BusinessAcquisitionProFormaInformationTextBlock": { "auth_ref": [ "r421", "r422" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate.", "label": "Business Acquisition, Pro Forma Information [Table Text Block]", "terseLabel": "Schedule of Business Acquisition, Pro Forma Information" } } }, "localname": "BusinessAcquisitionProFormaInformationTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_BusinessAcquisitionSharePrice": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.", "label": "Business Acquisition, Share Price", "terseLabel": "Share price (in dollars per share)" } } }, "localname": "BusinessAcquisitionSharePrice", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax": { "auth_ref": [ "r421", "r422" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of pro forma income from continuing operations as if the business combination had been completed at the beginning of a period.", "label": "Business Acquisition, Pro Forma Income (Loss) from Continuing Operations, Net of Tax", "verboseLabel": "Income from Continuing Operations" } } }, "localname": "BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsProFormaFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessAcquisitionsProFormaRevenue": { "auth_ref": [ "r421", "r422" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.", "label": "Business Acquisition, Pro Forma Revenue", "verboseLabel": "Total Revenues" } } }, "localname": "BusinessAcquisitionsProFormaRevenue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsProFormaFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue": { "auth_ref": [ "r427" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "This element represents the fair value of the noncontrolling interest in the acquiree at the acquisition date.", "label": "Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value", "terseLabel": "Fair Value of Noncontrolling Interests" } } }, "localname": "BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationConsiderationTransferred1": { "auth_ref": [ "r432", "r433", "r435" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.", "label": "Business Combination, Consideration Transferred", "terseLabel": "Total Consideration", "verboseLabel": "Purchase price" } } }, "localname": "BusinessCombinationConsiderationTransferred1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails", "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationConsiderationTransferredAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Business Combination, Consideration Transferred [Abstract]", "terseLabel": "Consideration paid for acquisitions" } } }, "localname": "BusinessCombinationConsiderationTransferredAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable": { "auth_ref": [ "r432", "r433" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.", "label": "Business Combination, Consideration Transferred, Equity Interests Issued and Issuable", "terseLabel": "Fair Value of Common Stock Issued" } } }, "localname": "BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationContingentConsiderationLiability": { "auth_ref": [ "r431", "r434", "r438" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of liability recognized arising from contingent consideration in a business combination.", "label": "Business Combination, Contingent Consideration, Liability", "terseLabel": "Potential additional payments to be made" } } }, "localname": "BusinessCombinationContingentConsiderationLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationDisclosureTextBlock": { "auth_ref": [ "r439" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).", "label": "Business Combination Disclosure [Text Block]", "terseLabel": "Acquisitions" } } }, "localname": "BusinessCombinationDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/Acquisitions" ], "xbrltype": "textBlockItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents": { "auth_ref": [ "r426" ], "calculation": { "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails": { "order": 1.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents", "terseLabel": "Cash" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables": { "auth_ref": [ "r426" ], "calculation": { "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails": { "order": 2.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables", "terseLabel": "Accounts Receivable, Prepaid Expenses and Other Assets" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt": { "auth_ref": [ "r426" ], "calculation": { "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails": { "order": 9.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of long-term debt due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-term Debt", "negatedTerseLabel": "Debt Assumed" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities": { "auth_ref": [ "r381", "r426" ], "calculation": { "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails": { "order": 11.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred tax liability attributable to taxable temporary differences assumed at the acquisition date.", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities", "negatedTerseLabel": "Deferred Income Taxes" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles": { "auth_ref": [ "r425", "r426" ], "calculation": { "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails": { "order": 8.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of identifiable intangible assets recognized as of the acquisition date.", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles", "terseLabel": "Other Intangible Assets" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities": { "auth_ref": [ "r426" ], "calculation": { "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails": { "order": 10.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of liabilities assumed at the acquisition date.", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities", "negatedTerseLabel": "Accounts Payable, Accrued Expenses and Other Liabilities" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet": { "auth_ref": [ "r425", "r426" ], "calculation": { "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net", "totalLabel": "Total Fair Value of Identifiable Net Assets Acquired" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment": { "auth_ref": [ "r425", "r426" ], "calculation": { "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails": { "order": 3.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of property, plant, and equipment recognized as of the acquisition date.", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment", "terseLabel": "Property, Plant and Equipment" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]", "terseLabel": "Fair Value of Identifiable Assets Acquired:" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsExpensesAndLossesRecognized": { "auth_ref": [ "r420" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The expenses and losses recorded for each transaction with the acquiree that was recognized separately from the acquisition of assets and assumptions of liabilities in the business combination.", "label": "Business Combination, Separately Recognized Transactions, Expenses and Losses Recognized", "netLabel": "Significant Acquisition Costs (see Note 2.x.)", "terseLabel": "Total Significant Acquisition Costs", "verboseLabel": "Significant Acquisition Costs" } } }, "localname": "BusinessCombinationSeparatelyRecognizedTransactionsExpensesAndLossesRecognized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/SegmentInformationReconciliationOfAdjustedEbitdaToIncomeLossFromContinuingOperationsDetails", "http://www.ironmountain.com/role/SegmentInformationSignificantAcquisitionCostsBySegmentDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsTableTextBlock": { "auth_ref": [ "r419" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of transactions that are recognized separately from the acquisition of assets and assumptions of liabilities in the business combination.", "label": "Business Combination, Separately Recognized Transactions [Table Text Block]", "terseLabel": "Schedule of Acquisition costs Included in Statement of Operations" } } }, "localname": "BusinessCombinationSeparatelyRecognizedTransactionsTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SegmentInformationTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_BusinessCombinationsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Business Combinations [Abstract]" } } }, "localname": "BusinessCombinationsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_CapitalExpendituresIncurredButNotYetPaid": { "auth_ref": [ "r146", "r147", "r148" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Future cash outflow to pay for purchases of fixed assets that have occurred.", "label": "Capital Expenditures Incurred but Not yet Paid", "terseLabel": "Accrued Capital Expenditures" } } }, "localname": "CapitalExpendituresIncurredButNotYetPaid", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeaseObligationsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Capital Lease Obligations [Abstract]", "terseLabel": "Capital Lease Obligations [Abstract]" } } }, "localname": "CapitalLeaseObligationsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CapitalLeaseObligationsMember": { "auth_ref": [ "r523" ], "lang": { "en-US": { "role": { "documentation": "A borrowing recorded for a lease meeting the criteria for capitalization. A lease is defined as an agreement conveying the right to use property, plant, or equipment (land or depreciable assets) usually for a stated period of time.", "label": "Capital Lease Obligations [Member]", "terseLabel": "Capital Lease Obligations" } } }, "localname": "CapitalLeaseObligationsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsDue": { "auth_ref": [ "r523" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 1.0, "parentTag": "irm_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPaymentsExcludingCommonAreaMaintenanceCosts", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum lease payments for capital leases.", "label": "Capital Leases, Future Minimum Payments Due", "totalLabel": "Capital Leases, Total minimum lease payments" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsDue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent": { "auth_ref": [ "r523" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 1.0, "parentTag": "us-gaap_CapitalLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum lease payments for capital leases due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Capital Leases, Future Minimum Payments Due, Next Twelve Months", "terseLabel": "2019" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsDueCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears": { "auth_ref": [ "r523" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 5.0, "parentTag": "us-gaap_CapitalLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Capital Leases, Future Minimum Payments Due in Five Years", "terseLabel": "2023" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsDueInFiveYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears": { "auth_ref": [ "r523" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 4.0, "parentTag": "us-gaap_CapitalLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum lease payments for capital leases due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Capital Leases, Future Minimum Payments Due in Four Years", "terseLabel": "2022" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsDueInFourYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears": { "auth_ref": [ "r523" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 3.0, "parentTag": "us-gaap_CapitalLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum lease payments for capital leases due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Capital Leases, Future Minimum Payments Due in Three Years", "terseLabel": "2021" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsDueInThreeYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears": { "auth_ref": [ "r523" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 2.0, "parentTag": "us-gaap_CapitalLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Capital Leases, Future Minimum Payments Due in Two Years", "terseLabel": "2020" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsDueInTwoYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter": { "auth_ref": [ "r523" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 6.0, "parentTag": "us-gaap_CapitalLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum lease payments for capital leases due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Capital Leases, Future Minimum Payments Due Thereafter", "terseLabel": "Thereafter" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsDueThereafter", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments": { "auth_ref": [ "r523" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 2.0, "parentTag": "irm_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPaymentsExcludingCommonAreaMaintenanceCosts", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount necessary to reduce net minimum lease payments to present value for capital leases.", "label": "Capital Leases, Future Minimum Payments, Interest Included in Payments", "negatedTerseLabel": "Less amounts representing interest" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalizedComputerSoftwareAdditions": { "auth_ref": [ "r248" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Additions made to capitalized computer software costs during the period.", "label": "Capitalized Computer Software, Additions", "terseLabel": "Capitalization of internal use computer software" } } }, "localname": "CapitalizedComputerSoftwareAdditions", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalizedContractCostAmortization": { "auth_ref": [ "r235" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.", "label": "Capitalized Contract Cost, Amortization", "terseLabel": "Amortization", "verboseLabel": "Amortization expense" } } }, "localname": "CapitalizedContractCostAmortization", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueAmortizationExpenseAssociatedWithCommissionsAssetAndIntakeCostsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalizedContractCostAmortizationPeriod": { "auth_ref": [ "r234" ], "lang": { "en-US": { "role": { "documentation": "Amortization period of cost capitalized in obtaining or fulfilling contract with customer, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Capitalized Contract Cost, Amortization Period", "terseLabel": "Capitalized contract cost, amortization period" } } }, "localname": "CapitalizedContractCostAmortizationPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueNarrativeDetails" ], "xbrltype": "durationItemType" }, "us-gaap_CapitalizedContractCostLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Capitalized Contract Cost [Line Items]", "terseLabel": "Capitalized Contract Cost [Line Items]" } } }, "localname": "CapitalizedContractCostLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueAmortizationExpenseAssociatedWithCommissionsAssetAndIntakeCostsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CapitalizedContractCostTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about cost capitalized in obtaining or fulfilling contract with customer.", "label": "Capitalized Contract Cost [Table]", "terseLabel": "Capitalized Contract Cost [Table]" } } }, "localname": "CapitalizedContractCostTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueAmortizationExpenseAssociatedWithCommissionsAssetAndIntakeCostsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CapitalizedContractCostTableTextBlock": { "auth_ref": [ "r236" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of cost capitalized in obtaining or fulfilling contract with customer.", "label": "Capitalized Contract Cost [Table Text Block]", "terseLabel": "Schedule of amortization expense associated with commissions asset and Intake Costs" } } }, "localname": "CapitalizedContractCostTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_CashAcquiredFromAcquisition": { "auth_ref": [ "r121" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).", "label": "Cash Acquired from Acquisition", "terseLabel": "Cash acquired from acquisition" } } }, "localname": "CashAcquiredFromAcquisition", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashAndCashEquivalentsAtCarryingValue": { "auth_ref": [ "r27", "r59", "r143" ], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails": { "order": 1.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.", "label": "Cash and Cash Equivalents, at Carrying Value", "terseLabel": "Cash and cash equivalents" } } }, "localname": "CashAndCashEquivalentsAtCarryingValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesConcentrationOfCreditRiskDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashAndCashEquivalentsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Cash and Cash Equivalents [Line Items]", "terseLabel": "Cash and Cash Equivalents [Line Items]" } } }, "localname": "CashAndCashEquivalentsLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesConcentrationOfCreditRiskDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy": { "auth_ref": [ "r36", "r144", "r151", "r581" ], "lang": { "en-US": { "role": { "documentation": "Entity's cash and cash equivalents accounting policy with respect to restricted balances. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits.", "label": "Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]", "terseLabel": "Cash, Cash Equivalents and Restricted Cash" } } }, "localname": "CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": { "auth_ref": [ "r137", "r143", "r149" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.", "label": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents", "periodEndLabel": "Cash and cash equivalents, including Restricted Cash, end of year", "periodStartLabel": "Cash and cash equivalents, including Restricted Cash, beginning of year" } } }, "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect": { "auth_ref": [ "r137", "r506" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.", "label": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect", "totalLabel": "Increase (decrease) in Cash and Cash Equivalents" } } }, "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]", "terseLabel": "Non-Cash Investing and Financing Activities:" } } }, "localname": "CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations": { "auth_ref": [ "r137" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow (outflow) of financing activities of discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.", "label": "Cash Provided by (Used in) Financing Activities, Discontinued Operations", "terseLabel": "Cash Flows from Financing Activities-Discontinued Operations" } } }, "localname": "CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations": { "auth_ref": [ "r18", "r137" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow (outflow) of investing activities of discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.", "label": "Cash Provided by (Used in) Investing Activities, Discontinued Operations", "terseLabel": "Cash Flows from Investing Activities-Discontinued Operations" } } }, "localname": "CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations": { "auth_ref": [ "r18", "r137" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow (outflow) of operating activities of discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.", "label": "Cash Provided by (Used in) Operating Activities, Discontinued Operations", "terseLabel": "Cash Flows from Operating Activities-Discontinued Operations" } } }, "localname": "CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ClassOfStockDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Share of stock differentiated by the voting rights the holder receives. Examples include, but are not limited to, common stock, redeemable preferred stock, nonredeemable preferred stock, and convertible stock.", "label": "Class of Stock [Domain]", "terseLabel": "Class of Stock [Domain]" } } }, "localname": "ClassOfStockDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ClassOfStockLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Class of Stock [Line Items]", "terseLabel": "Class of Stock [Line Items]" } } }, "localname": "ClassOfStockLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/StockholdersEquityMattersAdditionalInformationDetails", "http://www.ironmountain.com/role/StockholdersEquityMattersClassificationOfDividendsPaidDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CommitmentsAndContingencies": { "auth_ref": [ "r75", "r281", "r592", "r612" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 6.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.", "label": "Commitments and Contingencies", "terseLabel": "Commitments and Contingencies (see Note 10)" } } }, "localname": "CommitmentsAndContingencies", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CommitmentsAndContingenciesDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Commitments and Contingencies Disclosure [Abstract]" } } }, "localname": "CommitmentsAndContingenciesDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock": { "auth_ref": [ "r280", "r290" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for commitments and contingencies.", "label": "Commitments and Contingencies Disclosure [Text Block]", "terseLabel": "Commitments and Contingencies" } } }, "localname": "CommitmentsAndContingenciesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingencies" ], "xbrltype": "textBlockItemType" }, "us-gaap_CommonStockDividendsPerShareDeclared": { "auth_ref": [ "r319" ], "lang": { "en-US": { "role": { "documentation": "Aggregate dividends declared during the period for each share of common stock outstanding.", "label": "Common Stock, Dividends, Per Share, Declared", "verboseLabel": "Dividends per share (in dollars per share)" } } }, "localname": "CommonStockDividendsPerShareDeclared", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/StockholdersEquityMattersAdditionalInformationDetails", "http://www.ironmountain.com/role/StockholdersEquityMattersDividendsDeclaredDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_CommonStockMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Stock that is subordinate to all other stock of the issuer.", "label": "Common Stock [Member]", "terseLabel": "Common Stock" } } }, "localname": "CommonStockMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails", "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity" ], "xbrltype": "domainItemType" }, "us-gaap_CommonStockParOrStatedValuePerShare": { "auth_ref": [ "r48" ], "lang": { "en-US": { "role": { "documentation": "Face amount or stated value per share of common stock.", "label": "Common Stock, Par or Stated Value Per Share", "terseLabel": "Common stock, par value (in dollars per share)" } } }, "localname": "CommonStockParOrStatedValuePerShare", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheetsParenthetical", "http://www.ironmountain.com/role/StockholdersEquityMattersAdditionalInformationDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_CommonStockSharesAuthorized": { "auth_ref": [ "r48" ], "lang": { "en-US": { "role": { "documentation": "The maximum number of common shares permitted to be issued by an entity's charter and bylaws.", "label": "Common Stock, Shares Authorized", "terseLabel": "Common stock, authorized shares" } } }, "localname": "CommonStockSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockSharesIssued": { "auth_ref": [ "r48" ], "lang": { "en-US": { "role": { "documentation": "Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.", "label": "Common Stock, Shares, Issued", "terseLabel": "Common stock, issued shares" } } }, "localname": "CommonStockSharesIssued", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockSharesOutstanding": { "auth_ref": [ "r48", "r312" ], "lang": { "en-US": { "role": { "documentation": "Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.", "label": "Common Stock, Shares, Outstanding", "periodEndLabel": "Balance (in shares)", "periodStartLabel": "Balance (in shares)", "terseLabel": "Common stock, outstanding shares" } } }, "localname": "CommonStockSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheetsParenthetical", "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockValue": { "auth_ref": [ "r48" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.", "label": "Common Stock, Value, Issued", "verboseLabel": "Common stock (par value $0.01; authorized 400,000,000 shares; issued and outstanding 287,299,645 shares and 286,321,009 shares as of December 31, 2019 and 2018, respectively)" } } }, "localname": "CommonStockValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_CompensationRelatedCostsPolicyTextBlock": { "auth_ref": [ "r150", "r345" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for salaries, bonuses, incentive awards, postretirement and postemployment benefits granted to employees, including equity-based arrangements; discloses methodologies for measurement, and the bases for recognizing related assets and liabilities and recognizing and reporting compensation expense.", "label": "Compensation Related Costs, Policy [Policy Text Block]", "terseLabel": "Stock-Based Compensation" } } }, "localname": "CompensationRelatedCostsPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]", "terseLabel": "Provision (benefit) for income taxes:" } } }, "localname": "ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ComprehensiveIncomeNetOfTax": { "auth_ref": [ "r97", "r99", "r100" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.", "label": "Comprehensive Income (Loss), Net of Tax, Attributable to Parent", "totalLabel": "Comprehensive Income (Loss) Attributable to Iron Mountain Incorporated" } } }, "localname": "ComprehensiveIncomeNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest": { "auth_ref": [ "r97", "r99", "r444", "r445", "r457" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss": { "order": 2.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.", "label": "Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest", "terseLabel": "Comprehensive Income (Loss) Attributable to Noncontrolling Interests" } } }, "localname": "ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest": { "auth_ref": [ "r97", "r99", "r443", "r457" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss": { "order": 1.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.", "label": "Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest", "totalLabel": "Comprehensive Income (Loss)" } } }, "localname": "ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ConcentrationRiskBenchmarkDomain": { "auth_ref": [ "r199", "r200", "r500", "r501" ], "lang": { "en-US": { "role": { "documentation": "The denominator in a calculation of a disclosed concentration risk percentage.", "label": "Concentration Risk Benchmark [Domain]", "terseLabel": "Concentration Risk Benchmark [Domain]" } } }, "localname": "ConcentrationRiskBenchmarkDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesConcentrationOfCreditRiskDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ConcentrationRiskByBenchmarkAxis": { "auth_ref": [ "r199", "r200", "r500", "r501", "r623" ], "lang": { "en-US": { "role": { "documentation": "Information by benchmark of concentration risk.", "label": "Concentration Risk Benchmark [Axis]", "terseLabel": "Concentration Risk Benchmark [Axis]" } } }, "localname": "ConcentrationRiskByBenchmarkAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesConcentrationOfCreditRiskDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ConcentrationRiskByTypeAxis": { "auth_ref": [ "r199", "r200", "r500", "r501", "r623" ], "lang": { "en-US": { "role": { "documentation": "Information by type of concentration risk, for example, but not limited to, asset, liability, net assets, geographic, customer, employees, supplier, lender.", "label": "Concentration Risk Type [Axis]", "terseLabel": "Concentration Risk Type [Axis]" } } }, "localname": "ConcentrationRiskByTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesConcentrationOfCreditRiskDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ConcentrationRiskCreditRisk": { "auth_ref": [ "r196", "r603" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for credit risk.", "label": "Concentration Risk, Credit Risk, Policy [Policy Text Block]", "terseLabel": "Concentrations of Credit Risk" } } }, "localname": "ConcentrationRiskCreditRisk", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ConcentrationRiskPercentage1": { "auth_ref": [ "r199", "r200", "r500", "r501" ], "lang": { "en-US": { "role": { "documentation": "For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the \"benchmark\" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.", "label": "Concentration Risk, Percentage", "terseLabel": "Concentration risk percentage" } } }, "localname": "ConcentrationRiskPercentage1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesConcentrationOfCreditRiskDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ConcentrationRiskTypeDomain": { "auth_ref": [ "r199", "r200", "r500", "r501" ], "lang": { "en-US": { "role": { "documentation": "For an entity that discloses a concentration risk as a percentage of some financial balance or benchmark, identifies the type (for example, asset, liability, net assets, geographic, customer, employees, supplier, lender) of the concentration.", "label": "Concentration Risk Type [Domain]", "terseLabel": "Concentration Risk Type [Domain]" } } }, "localname": "ConcentrationRiskTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesConcentrationOfCreditRiskDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ConsolidationPolicyTextBlock": { "auth_ref": [ "r151", "r448", "r458", "r459" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting. The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary.", "label": "Consolidation, Policy [Policy Text Block]", "terseLabel": "Principals of Consolidation" } } }, "localname": "ConsolidationPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ConstructionInProgressGross": { "auth_ref": [ "r260" ], "calculation": { "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails": { "order": 3.0, "parentTag": "irm_RealEstateGrossReconcilingItems", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.", "label": "Construction in Progress, Gross", "terseLabel": "Book value of construction in progress" } } }, "localname": "ConstructionInProgressGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ConstructionInProgressMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.", "label": "Construction in Progress [Member]", "terseLabel": "Construction in progress" } } }, "localname": "ConstructionInProgressMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock": { "auth_ref": [ "r325" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of contract balances and changes in contract balances.", "label": "Contract with Customer, Asset and Liability [Table Text Block]", "terseLabel": "Schedule of deferred revenue liabilities" } } }, "localname": "ContractWithCustomerAssetAndLiabilityTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ContractWithCustomerAssetGross": { "auth_ref": [ "r322", "r324", "r328" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueContractFulfillmentCostsDetails": { "order": 1.0, "parentTag": "us-gaap_ContractWithCustomerAssetNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, before allowance for credit loss, of right to consideration in exchange for good or service transferred to customer, when right is conditioned on something other than passage of time.", "label": "Contract with Customer, Asset, before Allowance for Credit Loss", "terseLabel": "Gross Carrying Amount" } } }, "localname": "ContractWithCustomerAssetGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueContractFulfillmentCostsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractWithCustomerAssetNet": { "auth_ref": [ "r322", "r324", "r328" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueContractFulfillmentCostsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.", "label": "Contract with Customer, Asset, after Allowance for Credit Loss", "totalLabel": "Net Carrying Amount" } } }, "localname": "ContractWithCustomerAssetNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueContractFulfillmentCostsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractWithCustomerLiabilityCurrent": { "auth_ref": [ "r322", "r323", "r328" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.", "label": "Contract with Customer, Liability, Current", "terseLabel": "Deferred revenue", "verboseLabel": "Deferred revenue - Current" } } }, "localname": "ContractWithCustomerLiabilityCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueSummaryOfDeferredRevenueLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractWithCustomerLiabilityNoncurrent": { "auth_ref": [ "r322", "r323", "r328" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.", "label": "Contract with Customer, Liability, Noncurrent", "verboseLabel": "Deferred revenue - Long-term" } } }, "localname": "ContractWithCustomerLiabilityNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueSummaryOfDeferredRevenueLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractualObligation": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/CommitmentsAndContingenciesPurchaseCommitmentsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.", "label": "Contractual Obligation", "totalLabel": "Total" } } }, "localname": "ContractualObligation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesPurchaseCommitmentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractualObligationDueAfterFifthYear": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/CommitmentsAndContingenciesPurchaseCommitmentsDetails": { "order": 6.0, "parentTag": "us-gaap_ContractualObligation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of contractual obligation due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Contractual Obligation, Due after Fifth Year", "terseLabel": "Thereafter" } } }, "localname": "ContractualObligationDueAfterFifthYear", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesPurchaseCommitmentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractualObligationDueInFifthYear": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/CommitmentsAndContingenciesPurchaseCommitmentsDetails": { "order": 5.0, "parentTag": "us-gaap_ContractualObligation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of contractual obligation due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Contractual Obligation, Due in Fifth Year", "terseLabel": "2024" } } }, "localname": "ContractualObligationDueInFifthYear", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesPurchaseCommitmentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractualObligationDueInFourthYear": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/CommitmentsAndContingenciesPurchaseCommitmentsDetails": { "order": 4.0, "parentTag": "us-gaap_ContractualObligation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of contractual obligation due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Contractual Obligation, Due in Fourth Year", "terseLabel": "2023" } } }, "localname": "ContractualObligationDueInFourthYear", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesPurchaseCommitmentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractualObligationDueInNextTwelveMonths": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/CommitmentsAndContingenciesPurchaseCommitmentsDetails": { "order": 1.0, "parentTag": "us-gaap_ContractualObligation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of contractual obligation due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Contractual Obligation, Due in Next Fiscal Year", "terseLabel": "2020" } } }, "localname": "ContractualObligationDueInNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesPurchaseCommitmentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractualObligationDueInSecondYear": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/CommitmentsAndContingenciesPurchaseCommitmentsDetails": { "order": 2.0, "parentTag": "us-gaap_ContractualObligation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of contractual obligation due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Contractual Obligation, Due in Second Year", "terseLabel": "2021" } } }, "localname": "ContractualObligationDueInSecondYear", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesPurchaseCommitmentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractualObligationDueInThirdYear": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/CommitmentsAndContingenciesPurchaseCommitmentsDetails": { "order": 3.0, "parentTag": "us-gaap_ContractualObligation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of contractual obligation due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Contractual Obligation, Due in Third Year", "terseLabel": "2022" } } }, "localname": "ContractualObligationDueInThirdYear", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesPurchaseCommitmentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CorporateAndOtherMember": { "auth_ref": [ "r205" ], "lang": { "en-US": { "role": { "documentation": "Component of an entity that provides financial and operational oversight and administrative support for other segments and other segments not separately reported due to size or nature of business activities. Excludes intersegment elimination and reconciling items.", "label": "Corporate and Other [Member]", "terseLabel": "Corporate and Other Business" } } }, "localname": "CorporateAndOtherMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/RestructuringChargesRestructuringChargesDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndAssetInformationByGeographyAndServiceLineDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails", "http://www.ironmountain.com/role/SegmentInformationSignificantAcquisitionCostsBySegmentDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CorporateJointVentureMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Corporation owned and operated by a small group of ventures to accomplish a mutually beneficial venture or project.", "label": "Corporate Joint Venture [Member]", "terseLabel": "Corporate Joint Venture" } } }, "localname": "CorporateJointVentureMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization": { "auth_ref": [ "r108", "r109" ], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails": { "order": 1.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Cost of product sold and service rendered, excluding depreciation, depletion, and amortization.", "label": "Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization", "terseLabel": "Cost of sales (excluding depreciation and amortization)" } } }, "localname": "CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CostOfGoodsAndServicesSold": { "auth_ref": [ "r114" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.", "label": "Cost of Goods and Services Sold", "terseLabel": "Cost of sales (excluding depreciation and amortization)" } } }, "localname": "CostOfGoodsAndServicesSold", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfEffectOfChangesInPresentationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CostOfSalesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Primary financial statement caption encompassing cost of sales.", "label": "Cost of Sales [Member]", "verboseLabel": "Cost of Sales" } } }, "localname": "CostOfSalesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesCostsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CostsAndExpenses": { "auth_ref": [ "r111" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": -1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Total costs of sales and operating expenses for the period.", "label": "Costs and Expenses", "terseLabel": "Total Operating Expenses", "totalLabel": "Total Operating Expenses" } } }, "localname": "CostsAndExpenses", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfEffectOfChangesInPresentationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CostsAndExpensesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Costs and Expenses [Abstract]", "terseLabel": "Operating Expenses:", "verboseLabel": "Operating Expenses:" } } }, "localname": "CostsAndExpensesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CreditConcentrationRiskMember": { "auth_ref": [ "r502" ], "lang": { "en-US": { "role": { "documentation": "Reflects the percentage that a specified receivable or amount at risk from a counterparty under a contractual arrangement is to a specified benchmark, such as total receivables, net revenues, pretax results. Risk is the materially adverse effects of loss attributable to (a) the failure to collect a significant receivable from a major customer or group of homogeneous accounts, or (b) a failure by a counterparty to perform under terms of a contractual arrangement.", "label": "Credit Concentration Risk [Member]", "terseLabel": "Credit Concentration Risk" } } }, "localname": "CreditConcentrationRiskMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesConcentrationOfCreditRiskDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CreditFacilityAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by type of credit facility. Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing.", "label": "Credit Facility [Axis]", "terseLabel": "Credit Facility [Axis]" } } }, "localname": "CreditFacilityAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtAccountsReceivableAndMortgageSecuritizationProgramNarrativeDetails", "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CreditFacilityDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Type of credit facility. Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing.", "label": "Credit Facility [Domain]", "terseLabel": "Credit Facility [Domain]" } } }, "localname": "CreditFacilityDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtAccountsReceivableAndMortgageSecuritizationProgramNarrativeDetails", "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CrossCurrencyInterestRateContractMember": { "auth_ref": [ "r333", "r479" ], "lang": { "en-US": { "role": { "documentation": "Derivative instrument whose primary underlying risk is tied to interest rates and foreign exchange rates.", "label": "Cross Currency Interest Rate Contract [Member]", "terseLabel": "Cross-currency swap agreements" } } }, "localname": "CrossCurrencyInterestRateContractMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetInvestmentHedgesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.", "label": "Cumulative Effect of New Accounting Principle in Period of Adoption", "negatedTerseLabel": "Decrease to stockholders' equity", "terseLabel": "Cumulative-effect adjustment for adoption", "verboseLabel": "Cumulative effect of new accounting principle in period of adoption" } } }, "localname": "CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CurrentFederalTaxExpenseBenefit": { "auth_ref": [ "r155", "r407", "r412" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetailsCalc2": { "order": 1.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.", "label": "Current Federal Tax Expense (Benefit)", "terseLabel": "Federal\u2014current" } } }, "localname": "CurrentFederalTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CurrentForeignTaxExpenseBenefit": { "auth_ref": [ "r163", "r409" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetailsCalc2": { "order": 5.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.", "label": "Current Foreign Tax Expense (Benefit)", "terseLabel": "Foreign\u2014current" } } }, "localname": "CurrentForeignTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CurrentStateAndLocalTaxExpenseBenefit": { "auth_ref": [ "r155", "r407", "r412" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetailsCalc2": { "order": 3.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.", "label": "Current State and Local Tax Expense (Benefit)", "terseLabel": "State\u2014current" } } }, "localname": "CurrentStateAndLocalTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CustomerRelatedIntangibleAssetsMember": { "auth_ref": [ "r429" ], "lang": { "en-US": { "role": { "documentation": "Customer-related asset, including, but not limited to, customer lists, and noncontractual customer relationships.", "label": "Customer-Related Intangible Assets [Member]", "terseLabel": "Customer relationship and customer inducement intangible assets" } } }, "localname": "CustomerRelatedIntangibleAssetsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CustomerRelationshipsMember": { "auth_ref": [ "r430" ], "lang": { "en-US": { "role": { "documentation": "Customer relationship that exists between an entity and its customer, for example, but not limited to, tenant relationships.", "label": "Customer Relationships [Member]", "terseLabel": "Customer relationship intangible assets" } } }, "localname": "CustomerRelationshipsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtAndCapitalLeaseObligations": { "auth_ref": [ "r590", "r614" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of short-term and long-term debt and lease obligation.", "label": "Debt and Lease Obligation", "terseLabel": "Carrying amount on long-term debt" } } }, "localname": "DebtAndCapitalLeaseObligations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Debt Disclosure [Abstract]" } } }, "localname": "DebtDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_DebtDisclosureTextBlock": { "auth_ref": [ "r302" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.", "label": "Debt Disclosure [Text Block]", "terseLabel": "Debt" } } }, "localname": "DebtDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/Debt" ], "xbrltype": "textBlockItemType" }, "us-gaap_DebtInstrumentAxis": { "auth_ref": [ "r40", "r41", "r42", "r583", "r586", "r605" ], "lang": { "en-US": { "role": { "documentation": "Information by type of debt instrument, including, but not limited to, draws against credit facilities.", "label": "Debt Instrument [Axis]", "terseLabel": "Debt Instrument [Axis]" } } }, "localname": "DebtInstrumentAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtAccountsReceivableAndMortgageSecuritizationProgramNarrativeDetails", "http://www.ironmountain.com/role/DebtCashPoolingDetails", "http://www.ironmountain.com/role/DebtCovenantRatiosDetails", "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails", "http://www.ironmountain.com/role/DebtUkBilateralRevolvingCreditFacilityDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentBasisSpreadOnVariableRate1": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Percentage points added to the reference rate to compute the variable rate on the debt instrument.", "label": "Debt Instrument, Basis Spread on Variable Rate", "terseLabel": "Debt instrument, basis spread on variable rate" } } }, "localname": "DebtInstrumentBasisSpreadOnVariableRate1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtAustralianDollarTermLoanDetails", "http://www.ironmountain.com/role/DebtUkBilateralRevolvingCreditFacilityDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DebtInstrumentCarryingAmount": { "auth_ref": [ "r42", "r297", "r586", "r605" ], "calculation": { "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.", "label": "Long-term Debt, Gross", "terseLabel": "Debt (inclusive of discount)", "totalLabel": "Debt (inclusive of discount)", "verboseLabel": "Debt" } } }, "localname": "DebtInstrumentCarryingAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtAustralianDollarTermLoanDetails", "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails", "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentFaceAmount": { "auth_ref": [ "r514", "r516" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Face (par) amount of debt instrument at time of issuance.", "label": "Debt Instrument, Face Amount", "terseLabel": "Principal Amount" } } }, "localname": "DebtInstrumentFaceAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentFairValue": { "auth_ref": [ "r499" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.", "label": "Debt Instrument, Fair Value Disclosure", "terseLabel": "Fair Value" } } }, "localname": "DebtInstrumentFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtAustralianDollarTermLoanDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentInterestRateEffectivePercentage": { "auth_ref": [ "r71", "r299", "r514" ], "lang": { "en-US": { "role": { "documentation": "Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.", "label": "Debt Instrument, Interest Rate, Effective Percentage", "terseLabel": "Effective interest rate (as a percent)" } } }, "localname": "DebtInstrumentInterestRateEffectivePercentage", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtAccountsReceivableAndMortgageSecuritizationProgramNarrativeDetails", "http://www.ironmountain.com/role/DebtAustralianDollarTermLoanDetails", "http://www.ironmountain.com/role/DebtUkBilateralRevolvingCreditFacilityDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DebtInstrumentInterestRateIncreaseDecrease": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Incremental percentage increase (decrease) in the stated rate on a debt instrument.", "label": "Debt Instrument, Interest Rate, Increase (Decrease)", "negatedTerseLabel": "Reduction in interest rate" } } }, "localname": "DebtInstrumentInterestRateIncreaseDecrease", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DebtInstrumentInterestRateStatedPercentage": { "auth_ref": [ "r71" ], "lang": { "en-US": { "role": { "documentation": "Contractual interest rate for funds borrowed, under the debt agreement.", "label": "Debt Instrument, Interest Rate, Stated Percentage", "terseLabel": "Stated interest rate (as a percent)" } } }, "localname": "DebtInstrumentInterestRateStatedPercentage", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails", "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DebtInstrumentLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Debt Instrument [Line Items]", "terseLabel": "Debt Instrument [Line Items]", "verboseLabel": "Debt Instrument [Line Items]" } } }, "localname": "DebtInstrumentLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtAccountsReceivableAndMortgageSecuritizationProgramNarrativeDetails", "http://www.ironmountain.com/role/DebtAustralianDollarTermLoanDetails", "http://www.ironmountain.com/role/DebtCashPoolingDetails", "http://www.ironmountain.com/role/DebtCovenantRatiosDetails", "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails", "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails", "http://www.ironmountain.com/role/DebtRedemptionRatesDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails", "http://www.ironmountain.com/role/DebtUkBilateralRevolvingCreditFacilityDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentNameDomain": { "auth_ref": [ "r72" ], "lang": { "en-US": { "role": { "documentation": "The name for the particular debt instrument or borrowing that distinguishes it from other debt instruments or borrowings, including draws against credit facilities.", "label": "Debt Instrument, Name [Domain]", "terseLabel": "Debt Instrument, Name [Domain]" } } }, "localname": "DebtInstrumentNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtAccountsReceivableAndMortgageSecuritizationProgramNarrativeDetails", "http://www.ironmountain.com/role/DebtCashPoolingDetails", "http://www.ironmountain.com/role/DebtCovenantRatiosDetails", "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails", "http://www.ironmountain.com/role/DebtUkBilateralRevolvingCreditFacilityDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtInstrumentPeriodicPaymentPrincipal": { "auth_ref": [ "r72" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the required periodic payments applied to principal.", "label": "Debt Instrument, Periodic Payment, Principal", "terseLabel": "Quarterly payment amount" } } }, "localname": "DebtInstrumentPeriodicPaymentPrincipal", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentRedemptionPeriodAxis": { "auth_ref": [ "r601" ], "lang": { "en-US": { "role": { "documentation": "Information about timing of debt redemption features under terms of the debt agreement.", "label": "Debt Instrument, Redemption, Period [Axis]", "terseLabel": "Debt Instrument, Redemption, Period [Axis]" } } }, "localname": "DebtInstrumentRedemptionPeriodAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtRedemptionRatesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentRedemptionPeriodDomain": { "auth_ref": [ "r601" ], "lang": { "en-US": { "role": { "documentation": "Period as defined under terms of the debt agreement for debt redemption features.", "label": "Debt Instrument, Redemption, Period [Domain]", "terseLabel": "Debt Instrument, Redemption, Period [Domain]" } } }, "localname": "DebtInstrumentRedemptionPeriodDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtRedemptionRatesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtInstrumentRedemptionPeriodFiveMember": { "auth_ref": [ "r601" ], "lang": { "en-US": { "role": { "documentation": "Period five representing fifth most current period of debt redemption features under terms of the debt agreement.", "label": "Debt Instrument, Redemption, Period Five [Member]", "terseLabel": "Redemption date 2023" } } }, "localname": "DebtInstrumentRedemptionPeriodFiveMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtRedemptionRatesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtInstrumentRedemptionPeriodFourMember": { "auth_ref": [ "r601" ], "lang": { "en-US": { "role": { "documentation": "Period four representing fourth most current period of debt redemption features under terms of the debt agreement.", "label": "Debt Instrument, Redemption, Period Four [Member]", "terseLabel": "Redemption date 2022" } } }, "localname": "DebtInstrumentRedemptionPeriodFourMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtRedemptionRatesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtInstrumentRedemptionPeriodOneMember": { "auth_ref": [ "r601" ], "lang": { "en-US": { "role": { "documentation": "Period one representing most current period of debt redemption features under terms of the debt agreement.", "label": "Debt Instrument, Redemption, Period One [Member]", "terseLabel": "Redemption date 2019" } } }, "localname": "DebtInstrumentRedemptionPeriodOneMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtRedemptionRatesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtInstrumentRedemptionPeriodThreeMember": { "auth_ref": [ "r601" ], "lang": { "en-US": { "role": { "documentation": "Period three representing third most current period of debt redemption features under terms of the debt agreement.", "label": "Debt Instrument, Redemption, Period Three [Member]", "terseLabel": "Redemption date 2021" } } }, "localname": "DebtInstrumentRedemptionPeriodThreeMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtRedemptionRatesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtInstrumentRedemptionPeriodTwoMember": { "auth_ref": [ "r601" ], "lang": { "en-US": { "role": { "documentation": "Period two representing second most current period of debt redemption features under terms of the debt agreement.", "label": "Debt Instrument, Redemption, Period Two [Member]", "terseLabel": "Redemption date 2020" } } }, "localname": "DebtInstrumentRedemptionPeriodTwoMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtRedemptionRatesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtInstrumentRedemptionPricePercentage": { "auth_ref": [ "r601" ], "lang": { "en-US": { "role": { "documentation": "Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.", "label": "Debt Instrument, Redemption Price, Percentage", "terseLabel": "Redemption price, percentage" } } }, "localname": "DebtInstrumentRedemptionPricePercentage", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails", "http://www.ironmountain.com/role/DebtRedemptionRatesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DebtInstrumentRedemptionTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of debt instruments or arrangements with redemption features. Includes, but is not limited to, description of debt redemption features, percentage price at which debt can be redeemed by the issuer, and period start and end for debt maturity or redemption.", "label": "Debt Instrument Redemption [Table Text Block]", "terseLabel": "Schedule of Redemption Dates and Prices of the Senior or Senior Subordinated Notes" } } }, "localname": "DebtInstrumentRedemptionTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_DebtInstrumentTable": { "auth_ref": [ "r72", "r159", "r313", "r316", "r317", "r318", "r513", "r514", "r516", "r602" ], "lang": { "en-US": { "role": { "documentation": "A table or schedule providing information pertaining to long-term debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.", "label": "Schedule of Long-term Debt Instruments [Table]", "terseLabel": "Schedule of Long-term Debt Instruments [Table]" } } }, "localname": "DebtInstrumentTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtAccountsReceivableAndMortgageSecuritizationProgramNarrativeDetails", "http://www.ironmountain.com/role/DebtAustralianDollarTermLoanDetails", "http://www.ironmountain.com/role/DebtCashPoolingDetails", "http://www.ironmountain.com/role/DebtCovenantRatiosDetails", "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails", "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails", "http://www.ironmountain.com/role/DebtRedemptionRatesDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails", "http://www.ironmountain.com/role/DebtUkBilateralRevolvingCreditFacilityDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentUnamortizedDiscount": { "auth_ref": [ "r513", "r516" ], "calculation": { "http://www.ironmountain.com/role/DebtMaturitiesOfLongTermDebtDetails": { "order": 7.0, "parentTag": "us-gaap_LongTermDebt", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after accumulated amortization, of debt discount.", "label": "Debt Instrument, Unamortized Discount", "negatedTerseLabel": "Net Discounts", "terseLabel": "Unamortized original issue discount" } } }, "localname": "DebtInstrumentUnamortizedDiscount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtMaturitiesOfLongTermDebtDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtWeightedAverageInterestRate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Weighted average interest rate of debt outstanding.", "label": "Debt, Weighted Average Interest Rate", "terseLabel": "Average interest rate" } } }, "localname": "DebtWeightedAverageInterestRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DeferredChargesPolicyTextBlock": { "auth_ref": [ "r65", "r151" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for deferral and amortization of significant deferred charges.", "label": "Deferred Charges, Policy [Policy Text Block]", "terseLabel": "Deferred Financing Costs" } } }, "localname": "DeferredChargesPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_DeferredFederalIncomeTaxExpenseBenefit": { "auth_ref": [ "r155", "r408", "r412" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetailsCalc2": { "order": 2.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.", "label": "Deferred Federal Income Tax Expense (Benefit)", "terseLabel": "Federal\u2014deferred" } } }, "localname": "DeferredFederalIncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredFinanceCostsGross": { "auth_ref": [ "r515" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.", "label": "Debt Issuance Costs, Gross", "terseLabel": "Gross deferred financing costs" } } }, "localname": "DeferredFinanceCostsGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesDeferredFinancingCostsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredForeignIncomeTaxExpenseBenefit": { "auth_ref": [ "r155", "r408", "r412" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetailsCalc2": { "order": 6.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.", "label": "Deferred Foreign Income Tax Expense (Benefit)", "terseLabel": "Foreign\u2014deferred" } } }, "localname": "DeferredForeignIncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredIncomeTaxExpenseBenefit": { "auth_ref": [ "r141", "r155", "r408", "r412" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 8.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.", "label": "Deferred Income Tax Expense (Benefit)", "terseLabel": "(Benefit) provision for deferred income taxes" } } }, "localname": "DeferredIncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredIncomeTaxLiabilities": { "auth_ref": [ "r44", "r45", "r398", "r584", "r604" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesSignificantComponentsToDeferredTaxAssetsAndDeferredTaxLiabilitiesDetails": { "order": 2.0, "parentTag": "us-gaap_DeferredTaxLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred tax liability attributable to taxable temporary differences.", "label": "Deferred Tax Liabilities, Gross", "negatedTotalLabel": "Deferred tax liabilities" } } }, "localname": "DeferredIncomeTaxLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesSignificantComponentsToDeferredTaxAssetsAndDeferredTaxLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredIncomeTaxLiabilitiesNet": { "auth_ref": [ "r382", "r401" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.", "label": "Deferred Income Tax Liabilities, Net", "negatedLabel": "Deferred income taxes", "terseLabel": "Deferred Income Taxes" } } }, "localname": "DeferredIncomeTaxLiabilitiesNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/IncomeTaxesCurrentAndNoncurrentDeferredTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit": { "auth_ref": [ "r155", "r408", "r412" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetailsCalc2": { "order": 4.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.", "label": "Deferred State and Local Income Tax Expense (Benefit)", "terseLabel": "State\u2014deferred" } } }, "localname": "DeferredStateAndLocalIncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsLiabilitiesNet": { "auth_ref": [ "r401" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.", "label": "Deferred Tax Assets, Net", "terseLabel": "Noncurrent deferred tax assets (Included in Other, a component of Other assets, net)" } } }, "localname": "DeferredTaxAssetsLiabilitiesNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesCurrentAndNoncurrentDeferredTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsNet": { "auth_ref": [ "r399" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesSignificantComponentsToDeferredTaxAssetsAndDeferredTaxLiabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_DeferredTaxLiabilities", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.", "label": "Deferred Tax Assets, Net of Valuation Allowance", "totalLabel": "Deferred tax assets" } } }, "localname": "DeferredTaxAssetsNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesSignificantComponentsToDeferredTaxAssetsAndDeferredTaxLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsNetAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Deferred Tax Assets, Net [Abstract]", "terseLabel": "Deferred Tax Assets:" } } }, "localname": "DeferredTaxAssetsNetAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesSignificantComponentsToDeferredTaxAssetsAndDeferredTaxLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DeferredTaxAssetsOperatingLossCarryforwards": { "auth_ref": [ "r374", "r405", "r406" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesSignificantComponentsToDeferredTaxAssetsAndDeferredTaxLiabilitiesDetails": { "order": 2.0, "parentTag": "us-gaap_DeferredTaxAssetsNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.", "label": "Deferred Tax Assets, Operating Loss Carryforwards", "terseLabel": "Net operating loss carryforwards", "verboseLabel": "Net operating loss carryforwards, tax effected" } } }, "localname": "DeferredTaxAssetsOperatingLossCarryforwards", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails", "http://www.ironmountain.com/role/IncomeTaxesSignificantComponentsToDeferredTaxAssetsAndDeferredTaxLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities": { "auth_ref": [ "r374", "r405", "r406" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesSignificantComponentsToDeferredTaxAssetsAndDeferredTaxLiabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_DeferredTaxAssetsNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.", "label": "Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities", "terseLabel": "Accrued liabilities and other adjustments" } } }, "localname": "DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesSignificantComponentsToDeferredTaxAssetsAndDeferredTaxLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsValuationAllowance": { "auth_ref": [ "r400" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesSignificantComponentsToDeferredTaxAssetsAndDeferredTaxLiabilitiesDetails": { "order": 4.0, "parentTag": "us-gaap_DeferredTaxAssetsNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.", "label": "Deferred Tax Assets, Valuation Allowance", "negatedLabel": "Valuation allowance", "periodEndLabel": "Balance at the End of the Year", "periodStartLabel": "Balance at Beginning of the Year" } } }, "localname": "DeferredTaxAssetsValuationAllowance", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesRollforwardOfValuationAllowanceDetails", "http://www.ironmountain.com/role/IncomeTaxesSignificantComponentsToDeferredTaxAssetsAndDeferredTaxLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxLiabilities": { "auth_ref": [ "r382", "r401" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesSignificantComponentsToDeferredTaxAssetsAndDeferredTaxLiabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.", "label": "Deferred Tax Liabilities, Net", "negatedTotalLabel": "Net deferred tax liability" } } }, "localname": "DeferredTaxLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesSignificantComponentsToDeferredTaxAssetsAndDeferredTaxLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxLiabilitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Deferred Tax Liabilities, Gross [Abstract]", "terseLabel": "Deferred Tax Liabilities:" } } }, "localname": "DeferredTaxLiabilitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesSignificantComponentsToDeferredTaxAssetsAndDeferredTaxLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets": { "auth_ref": [ "r375", "r405", "r406" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesSignificantComponentsToDeferredTaxAssetsAndDeferredTaxLiabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_DeferredIncomeTaxLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred tax liability attributable to taxable temporary differences from intangible assets including goodwill.", "label": "Deferred Tax Liabilities, Goodwill and Intangible Assets", "negatedLabel": "Other assets, principally due to differences in amortization" } } }, "localname": "DeferredTaxLiabilitiesGoodwillAndIntangibleAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesSignificantComponentsToDeferredTaxAssetsAndDeferredTaxLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxLiabilitiesOther": { "auth_ref": [ "r375", "r405", "r406" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesSignificantComponentsToDeferredTaxAssetsAndDeferredTaxLiabilitiesDetails": { "order": 3.0, "parentTag": "us-gaap_DeferredIncomeTaxLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred tax liability attributable to taxable temporary differences classified as other.", "label": "Deferred Tax Liabilities, Other", "negatedTerseLabel": "Other" } } }, "localname": "DeferredTaxLiabilitiesOther", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesSignificantComponentsToDeferredTaxAssetsAndDeferredTaxLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment": { "auth_ref": [ "r375", "r405", "r406" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesSignificantComponentsToDeferredTaxAssetsAndDeferredTaxLiabilitiesDetails": { "order": 2.0, "parentTag": "us-gaap_DeferredIncomeTaxLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.", "label": "Deferred Tax Liabilities, Property, Plant and Equipment", "negatedLabel": "Plant and equipment, principally due to differences in depreciation" } } }, "localname": "DeferredTaxLiabilitiesPropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesSignificantComponentsToDeferredTaxAssetsAndDeferredTaxLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_Deposits": { "auth_ref": [ "r589" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.", "label": "Deposits", "terseLabel": "Deposits" } } }, "localname": "Deposits", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_Depreciation": { "auth_ref": [ "r141", "r259" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations", "weight": 1.0 }, "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails": { "order": 1.0, "parentTag": "us-gaap_DepreciationDepletionAndAmortization", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.", "label": "Depreciation", "terseLabel": "Depreciation" } } }, "localname": "Depreciation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DepreciationDepletionAndAmortization": { "auth_ref": [ "r141", "r210" ], "calculation": { "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails": { "order": 4.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.", "label": "Depreciation, Depletion and Amortization", "terseLabel": "Depreciation and amortization", "totalLabel": "Depreciation and Amortization", "verboseLabel": "Depreciation and amortization" } } }, "localname": "DepreciationDepletionAndAmortization", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/SegmentInformationReconciliationOfAdjustedEbitdaToIncomeLossFromContinuingOperationsDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeAmountOfHedgedItem": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Amount of hedged item in hedging relationship. Excludes hedged asset or liability.", "label": "Derivative, Amount of Hedged Item", "terseLabel": "Hedged notes" } } }, "localname": "DerivativeAmountOfHedgedItem", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesHedgeOfNetInvestmentDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeAverageFixedInterestRate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Average fixed interest rate related to the group of interest rate derivatives.", "label": "Derivative, Average Fixed Interest Rate", "terseLabel": "Weighted average interest rate" } } }, "localname": "DerivativeAverageFixedInterestRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetInvestmentHedgesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DerivativeCashReceivedOnHedge": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The amount of cash received during the period on settlement of a hedge.", "label": "Derivative, Cash Received on Hedge", "negatedLabel": "Net receipts" } } }, "localname": "DerivativeCashReceivedOnHedge", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetCashReceiptsPaymentsIncludedInCashFromOperatingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeContractTypeDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Financial instrument or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.", "label": "Derivative Contract [Domain]", "terseLabel": "Derivative Contract [Domain]" } } }, "localname": "DerivativeContractTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesAmountOfGainsLossesInIncomeOnDerivativesDetailsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesForwardCurrencyContractsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesInterestRateSwapAgreementsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetCashReceiptsPaymentsIncludedInCashFromOperatingActivitiesDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetInvestmentHedgesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DerivativeCostOfHedgeNetOfCashReceived": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The premium (cost) of a hedge, net of any cash received on settlement during the period.", "label": "Derivative, Cost of Hedge Net of Cash Received", "terseLabel": "Net payments" } } }, "localname": "DerivativeCostOfHedgeNetOfCashReceived", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetCashReceiptsPaymentsIncludedInCashFromOperatingActivitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeFairValueOfDerivativeAsset": { "auth_ref": [ "r80", "r83", "r470", "r564" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.", "label": "Derivative Asset, Fair Value, Gross Asset", "terseLabel": "Derivative assets" } } }, "localname": "DerivativeFairValueOfDerivativeAsset", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesForwardCurrencyContractsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeFixedInterestRate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Fixed interest rate related to the interest rate derivative.", "label": "Derivative, Fixed Interest Rate", "terseLabel": "Interest rate" } } }, "localname": "DerivativeFixedInterestRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetInvestmentHedgesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DerivativeInstrumentRiskAxis": { "auth_ref": [ "r469", "r471", "r475", "r480" ], "lang": { "en-US": { "role": { "documentation": "Information by type of derivative contract.", "label": "Derivative Instrument [Axis]", "terseLabel": "Derivative Instrument [Axis]" } } }, "localname": "DerivativeInstrumentRiskAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesAmountOfGainsLossesInIncomeOnDerivativesDetailsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesForwardCurrencyContractsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesInterestRateSwapAgreementsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetCashReceiptsPaymentsIncludedInCashFromOperatingActivitiesDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetInvestmentHedgesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Derivative Instruments and Hedging Activities Disclosure [Abstract]" } } }, "localname": "DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock": { "auth_ref": [ "r487" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts.", "label": "Derivative Instruments and Hedging Activities Disclosure [Text Block]", "terseLabel": "Derivative Instruments and Hedging Activities" } } }, "localname": "DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivities" ], "xbrltype": "textBlockItemType" }, "us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis": { "auth_ref": [ "r466", "r469", "r475" ], "lang": { "en-US": { "role": { "documentation": "Information by type of hedging relationship.", "label": "Hedging Relationship [Axis]", "terseLabel": "Hedging Relationship [Axis]" } } }, "localname": "DerivativeInstrumentsGainLossByHedgingRelationshipAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesHedgeOfNetInvestmentDetailsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetInvestmentHedgesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet": { "auth_ref": [ "r474", "r476" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.", "label": "Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net", "negatedLabel": "Foreign exchange contracts, other expense (income), net" } } }, "localname": "DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesAmountOfGainsLossesInIncomeOnDerivativesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeLiabilities": { "auth_ref": [ "r81", "r82", "r499" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.", "label": "Derivative Liability", "terseLabel": "Derivative liability" } } }, "localname": "DerivativeLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesInterestRateSwapAgreementsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetInvestmentHedgesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Derivative [Line Items]", "terseLabel": "Derivative [Line Items]", "verboseLabel": "Derivative [Line Items]" } } }, "localname": "DerivativeLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesAmountOfGainsLossesInIncomeOnDerivativesDetailsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesForwardCurrencyContractsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesHedgeOfNetInvestmentDetailsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesInterestRateSwapAgreementsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetCashReceiptsPaymentsIncludedInCashFromOperatingActivitiesDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetInvestmentHedgesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DerivativeNotionalAmount": { "auth_ref": [ "r462", "r464" ], "lang": { "en-US": { "role": { "documentation": "Nominal or face amount used to calculate payment on derivative.", "label": "Derivative, Notional Amount", "terseLabel": "Notional amount of derivatives", "verboseLabel": "Notional amount" } } }, "localname": "DerivativeNotionalAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesForwardCurrencyContractsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesInterestRateSwapAgreementsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetInvestmentHedgesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeTable": { "auth_ref": [ "r165", "r461", "r463", "r464", "r466", "r467", "r473", "r475", "r482", "r484", "r486" ], "lang": { "en-US": { "role": { "documentation": "Schedule that describes and identifies a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item.", "label": "Derivative [Table]", "terseLabel": "Derivative [Table]" } } }, "localname": "DerivativeTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesAmountOfGainsLossesInIncomeOnDerivativesDetailsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesForwardCurrencyContractsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesHedgeOfNetInvestmentDetailsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesInterestRateSwapAgreementsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetCashReceiptsPaymentsIncludedInCashFromOperatingActivitiesDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetInvestmentHedgesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DerivativesPolicyTextBlock": { "auth_ref": [ "r151", "r166", "r461", "r463", "r466", "r467", "r483" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for its derivative instruments and hedging activities.", "label": "Derivatives, Policy [Policy Text Block]", "terseLabel": "Derivatives Instruments and Hedging Activities" } } }, "localname": "DerivativesPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_DesignatedAsHedgingInstrumentMember": { "auth_ref": [ "r466" ], "lang": { "en-US": { "role": { "documentation": "Derivative instrument designated as hedging instrument under Generally Accepted Accounting Principles (GAAP).", "label": "Designated as Hedging Instrument [Member]", "terseLabel": "Designated Hedging Instruments" } } }, "localname": "DesignatedAsHedgingInstrumentMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesHedgeOfNetInvestmentDetailsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DiscontinuedOperationEquityMethodInvestmentRetainedAfterDisposalOwnershipInterestAfterDisposal": { "auth_ref": [ "r13" ], "lang": { "en-US": { "role": { "documentation": "Percent, after disposal, of ownership interest of a discontinued operation in which an equity method investment is retained.", "label": "Discontinued Operation, Equity Method Investment Retained after Disposal, Ownership Interest after Disposal", "terseLabel": "Ownership interest after disposal" } } }, "localname": "DiscontinuedOperationEquityMethodInvestmentRetainedAfterDisposalOwnershipInterestAfterDisposal", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax": { "auth_ref": [ "r3", "r4", "r5", "r6", "r7", "r16", "r107", "r617" ], "calculation": { "http://www.ironmountain.com/role/DivestmentsResultsOfOperationsDetails": { "order": 1.0, "parentTag": "us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.", "label": "Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax", "terseLabel": "Income (Loss) from Discontinued Operations Before Provision (Benefit) for Income Taxes" } } }, "localname": "DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsResultsOfOperationsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation": { "auth_ref": [ "r4", "r5", "r6", "r7", "r16", "r22", "r383", "r414" ], "calculation": { "http://www.ironmountain.com/role/DivestmentsResultsOfOperationsDetails": { "order": 2.0, "parentTag": "us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.", "label": "Discontinued Operation, Tax Effect of Discontinued Operation", "terseLabel": "(Benefit) Provision for Income Taxes" } } }, "localname": "DiscontinuedOperationTaxEffectOfDiscontinuedOperation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsResultsOfOperationsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Discontinued Operations and Disposal Groups [Abstract]" } } }, "localname": "DiscontinuedOperationsAndDisposalGroupsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_DiscontinuedOperationsDisposedOfBySaleMember": { "auth_ref": [ "r2" ], "lang": { "en-US": { "role": { "documentation": "Component or group of components disposed of by sale and representing a strategic shift that has or will have a major effect on operations and financial results.", "label": "Discontinued Operations, Disposed of by Sale [Member]", "terseLabel": "Discontinued Operations, Disposed of by Sale" } } }, "localname": "DiscontinuedOperationsDisposedOfBySaleMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DisposalGroupClassificationAxis": { "auth_ref": [ "r21" ], "lang": { "en-US": { "role": { "documentation": "Information by disposal group classification.", "label": "Disposal Group Classification [Axis]", "terseLabel": "Disposal Group Classification [Axis]" } } }, "localname": "DisposalGroupClassificationAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/DivestmentsResultsOfOperationsDetails", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLongLivedAssetsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesOtherExpenseIncomeNetDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DisposalGroupClassificationDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Component or group of components disposed of, including but not limited to, disposal group held-for-sale or disposed of by sale, disposed of by means other than sale, and discontinued operations.", "label": "Disposal Group Classification [Domain]", "terseLabel": "Disposal Group Classification [Domain]" } } }, "localname": "DisposalGroupClassificationDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/DivestmentsResultsOfOperationsDetails", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLongLivedAssetsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesOtherExpenseIncomeNetDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember": { "auth_ref": [ "r258", "r267" ], "lang": { "en-US": { "role": { "documentation": "Disposal group that has been sold. Excludes disposals classified as discontinued operations.", "label": "Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]", "terseLabel": "Disposal Group, Disposed of by Sale, Not Discontinued Operations", "verboseLabel": "Disposed of by sale" } } }, "localname": "DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/DivestmentsResultsOfOperationsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLongLivedAssetsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.", "label": "Disposal Group, Including Discontinued Operation, Consideration", "terseLabel": "Disposal consideration" } } }, "localname": "DisposalGroupIncludingDiscontinuedOperationConsideration", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwill1": { "auth_ref": [ "r0", "r1", "r19", "r265" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount classified as goodwill attributable to disposal group held for sale or disposed of.", "label": "Disposal Group, Including Discontinued Operation, Goodwill", "verboseLabel": "Goodwill" } } }, "localname": "DisposalGroupIncludingDiscontinuedOperationGoodwill1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue": { "auth_ref": [ "r17" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.", "label": "Disposal Group, Including Discontinued Operation, Revenue", "terseLabel": "Total Revenues" } } }, "localname": "DisposalGroupIncludingDiscontinuedOperationRevenue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsResultsOfOperationsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal": { "auth_ref": [ "r141", "r258", "r263" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 11.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.", "label": "Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal", "negatedTerseLabel": "Gain on Russia and Ukraine Divestment (see Note 13)", "terseLabel": "Gain on divestiture" } } }, "localname": "DisposalGroupNotDiscontinuedOperationGainLossOnDisposal", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesOtherExpenseIncomeNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DisposalGroupNotDiscontinuedOperationsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disposal group that is not classified as discontinued operations.", "label": "Disposal Group, Not Discontinued Operations [Member]", "terseLabel": "Disposal Group, Not Discontinued Operations" } } }, "localname": "DisposalGroupNotDiscontinuedOperationsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesOtherExpenseIncomeNetDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock": { "auth_ref": [ "r26", "r269" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.", "label": "Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]", "terseLabel": "Divestments" } } }, "localname": "DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/Divestments" ], "xbrltype": "textBlockItemType" }, "us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Name of disposal group.", "label": "Disposal Group Name [Domain]", "terseLabel": "Disposal Group Name [Domain]" } } }, "localname": "DisposalGroupsIncludingDiscontinuedOperationsNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/DivestmentsResultsOfOperationsDetails", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLongLivedAssetsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesOtherExpenseIncomeNetDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails" ], "xbrltype": "domainItemType" }, "us-gaap_Dividends": { "auth_ref": [ "r319", "r600" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock.", "label": "Dividends", "terseLabel": "Amount of declared distributions" } } }, "localname": "Dividends", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/StockholdersEquityMattersAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DividendsAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information about distribution of earnings to shareholders including, but not limited to, cash, property or capital stock.", "label": "Dividends [Axis]", "terseLabel": "Dividends [Axis]" } } }, "localname": "DividendsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/StockholdersEquityMattersAdditionalInformationDetails", "http://www.ironmountain.com/role/StockholdersEquityMattersClassificationOfDividendsPaidDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DividendsCommonStock": { "auth_ref": [ "r319", "r600" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).", "label": "Dividends, Common Stock", "negatedLabel": "Parent cash dividends declared", "terseLabel": "Dividends declared" } } }, "localname": "DividendsCommonStock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity", "http://www.ironmountain.com/role/StockholdersEquityMattersDividendsDeclaredDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DividendsDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Distributions of earnings to shareholders including but not limited to cash, property or capital stock.", "label": "Dividends [Domain]", "terseLabel": "Dividends [Domain]" } } }, "localname": "DividendsDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/StockholdersEquityMattersAdditionalInformationDetails", "http://www.ironmountain.com/role/StockholdersEquityMattersClassificationOfDividendsPaidDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DividendsPayableCurrentAndNoncurrent": { "auth_ref": [ "r41", "r43", "r585", "r607" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.", "label": "Dividends Payable", "terseLabel": "Dividends Payable" } } }, "localname": "DividendsPayableCurrentAndNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_DividendsShareBasedCompensationAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Dividend, Share-based Payment Arrangement [Abstract]", "terseLabel": "Dividends accrued and paid" } } }, "localname": "DividendsShareBasedCompensationAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DividendsShareBasedCompensationCash": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of paid and unpaid cash dividends declared for award under share-based payment arrangement.", "label": "Dividend, Share-based Payment Arrangement, Cash", "terseLabel": "Accrued cash dividends" } } }, "localname": "DividendsShareBasedCompensationCash", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DueFromRelatedPartiesCurrent": { "auth_ref": [ "r29", "r37", "r49", "r156", "r550" ], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails": { "order": 3.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle).", "label": "Due from Related Parties, Current", "terseLabel": "Intercompany receivable" } } }, "localname": "DueFromRelatedPartiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DueFromRelatedPartiesNoncurrent": { "auth_ref": [ "r60", "r164", "r550" ], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails": { "order": 1.0, "parentTag": "irm_AssetsNoncurrentExcludingPropertyPlantAndEquipmentNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due after one year (or one business cycle).", "label": "Due from Related Parties, Noncurrent", "terseLabel": "Long-term notes receivable from affiliates and intercompany receivable" } } }, "localname": "DueFromRelatedPartiesNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EarlyRepaymentOfSubordinatedDebt": { "auth_ref": [ "r131" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": -1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": 11.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow from the repayment of long-term borrowing where a lender is placed in a lien position behind debt having a higher priority of repayment (senior) in case of liquidation of the entity's assets before its maturity.", "label": "Early Repayment of Subordinated Debt", "negatedLabel": "Early retirement of senior subordinated and senior notes", "negatedTerseLabel": "Early retirement of senior subordinated and senior notes" } } }, "localname": "EarlyRepaymentOfSubordinatedDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EarningsPerShareAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Earnings Per Share [Abstract]", "verboseLabel": "Income (Loss) Per Share-Basic and Diluted" } } }, "localname": "EarningsPerShareAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EarningsPerShareBasic": { "auth_ref": [ "r110", "r173", "r181", "r183", "r184", "r185", "r189", "r598", "r618" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations": { "order": null, "parentTag": null, "root": true, "weight": null } }, "lang": { "en-US": { "role": { "documentation": "The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.", "label": "Earnings Per Share, Basic", "netLabel": "Net Income (Loss) Attributable to Iron Mountain Incorporated (in dollars per share)", "terseLabel": "Net income (loss) per share attributable to Iron Mountain Incorporated (in dollars per share)", "totalLabel": "Net Income (Loss) Attributable to Iron Mountain Incorporated (in dollars per share)" } } }, "localname": "EarningsPerShareBasic", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_EarningsPerShareBasicAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Earnings Per Share, Basic [Abstract]", "terseLabel": "Earnings (Losses) per Share\u2014Basic:", "verboseLabel": "Earnings (losses) per share\u2014basic:" } } }, "localname": "EarningsPerShareBasicAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EarningsPerShareDiluted": { "auth_ref": [ "r110", "r173", "r181", "r183", "r184", "r185", "r189", "r598", "r618" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations": { "order": null, "parentTag": null, "root": true, "weight": null } }, "lang": { "en-US": { "role": { "documentation": "The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.", "label": "Earnings Per Share, Diluted", "netLabel": "Net Income (Loss) Attributable to Iron Mountain Incorporated (in dollars per share)", "totalLabel": "Net Income (Loss) Attributable to Iron Mountain Incorporated (in dollars per share)", "verboseLabel": "Net income (loss) per share attributable to Iron Mountain Incorporated (in dollars per share)" } } }, "localname": "EarningsPerShareDiluted", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_EarningsPerShareDilutedAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Earnings Per Share, Diluted [Abstract]", "terseLabel": "Earnings (Losses) per Share\u2014Diluted:", "verboseLabel": "Earnings (losses) per share\u2014diluted:" } } }, "localname": "EarningsPerShareDilutedAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EarningsPerSharePolicyTextBlock": { "auth_ref": [ "r151", "r186", "r187", "r188" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for computing basic and diluted earnings or loss per share for each class of common stock and participating security. Addresses all significant policy factors, including any antidilutive items that have been excluded from the computation and takes into account stock dividends, splits and reverse splits that occur after the balance sheet date of the latest reporting period but before the issuance of the financial statements.", "label": "Earnings Per Share, Policy [Policy Text Block]", "terseLabel": "Income (Loss) Per Share-Basic and Diluted" } } }, "localname": "EarningsPerSharePolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": { "auth_ref": [ "r506" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) from effect of exchange rate changes on cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; held in foreign currencies. Excludes amounts for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.", "label": "Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents", "terseLabel": "Effect of Exchange Rates on Cash and Cash Equivalents", "verboseLabel": "Effect of exchange rates on cash and cash equivalents" } } }, "localname": "EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EffectiveIncomeTaxRateContinuingOperations": { "auth_ref": [ "r162", "r384", "r385" ], "lang": { "en-US": { "role": { "documentation": "Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.", "label": "Effective Income Tax Rate Reconciliation, Percent", "terseLabel": "Effective tax rate" } } }, "localname": "EffectiveIncomeTaxRateContinuingOperations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate": { "auth_ref": [ "r384", "r385", "r411" ], "lang": { "en-US": { "role": { "documentation": "Percentage of domestic federal statutory tax rate applicable to pretax income (loss).", "label": "Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent", "terseLabel": "Federal tax rate" } } }, "localname": "EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized": { "auth_ref": [ "r370" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cost not yet recognized for nonvested award under share-based payment arrangement.", "label": "Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount", "terseLabel": "Employee stock-based awards, unrecognized compensation costs on nonvested awards" } } }, "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1": { "auth_ref": [ "r370" ], "lang": { "en-US": { "role": { "documentation": "Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition", "terseLabel": "Employee stock-based awards, weighted average recognition period" } } }, "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "durationItemType" }, "us-gaap_EmployeeStockMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "An Employee Stock Purchase Plan is a tax-efficient means by which employees of a corporation can purchase the corporation's stock.", "label": "Employee Stock [Member]", "terseLabel": "Employee Stock Purchase Plan" } } }, "localname": "EmployeeStockMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Revenue from External Customer [Line Items]", "terseLabel": "Revenues by product and service lines" } } }, "localname": "EntityWideInformationRevenueFromExternalCustomerLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SegmentInformationRevenueAndAssetInformationByGeographyAndServiceLineDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EquityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Equity [Abstract]" } } }, "localname": "EquityAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_EquityComponentDomain": { "auth_ref": [ "r312" ], "lang": { "en-US": { "role": { "documentation": "Components of equity are the parts of the total Equity balance including that which is allocated to common, preferred, treasury stock, retained earnings, etc.", "label": "Equity Component [Domain]", "terseLabel": "Equity Component [Domain]" } } }, "localname": "EquityComponentDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_EquityMethodInvestmentOwnershipPercentage": { "auth_ref": [ "r231" ], "lang": { "en-US": { "role": { "documentation": "The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.", "label": "Equity Method Investment, Ownership Percentage", "terseLabel": "Equity interest" } } }, "localname": "EquityMethodInvestmentOwnershipPercentage", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EquityMethodInvestments": { "auth_ref": [ "r61", "r214", "r230" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.", "label": "Equity Method Investments", "terseLabel": "Equity method investments" } } }, "localname": "EquityMethodInvestments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EquityMethodInvestmentsFairValueDisclosure": { "auth_ref": [ "r229" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value portion of investments accounted under the equity method.", "label": "Equity Method Investments, Fair Value Disclosure", "verboseLabel": "Fair value of previously held equity interests" } } }, "localname": "EquityMethodInvestmentsFairValueDisclosure", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis": { "auth_ref": [ "r174", "r175", "r176" ], "lang": { "en-US": { "role": { "documentation": "Information by type of error correction.", "label": "Adjustments for Error Corrections [Axis]", "terseLabel": "Adjustments for Error Corrections [Axis]" } } }, "localname": "ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfEffectOfChangesInPresentationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Error Corrections and Prior Period Adjustments Restatement [Line Items]", "terseLabel": "Error Corrections and Prior Period Adjustments Restatement [Line Items]" } } }, "localname": "ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementNarrativeDetailsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfEffectOfChangesInPresentationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EstimateOfFairValueFairValueDisclosureMember": { "auth_ref": [ "r499" ], "lang": { "en-US": { "role": { "documentation": "Measured as an estimate of fair value.", "label": "Estimate of Fair Value Measurement [Member]", "terseLabel": "Estimated Fair Value" } } }, "localname": "EstimateOfFairValueFairValueDisclosureMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesFairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ExtinguishmentOfDebtAmount": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Gross amount of debt extinguished.", "label": "Extinguishment of Debt, Amount", "verboseLabel": "Aggregate principal amount outstanding" } } }, "localname": "ExtinguishmentOfDebtAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]", "terseLabel": "Fair Value Measurements" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesFairValueMeasurementsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]", "terseLabel": "Assets and liabilities carried at fair value measured on a recurring basis" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesFairValueMeasurementsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable": { "auth_ref": [ "r488", "r489", "r490", "r495" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about asset and liability measured at fair value on recurring and nonrecurring basis.", "label": "Fair Value, Recurring and Nonrecurring [Table]", "terseLabel": "Fair Value, Recurring and Nonrecurring [Table]" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesFairValueMeasurementsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain": { "auth_ref": [ "r493" ], "lang": { "en-US": { "role": { "documentation": "Class of asset.", "label": "Asset Class [Domain]", "terseLabel": "Asset Class [Domain]" } } }, "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueAmortizationExpenseAssociatedWithCommissionsAssetAndIntakeCostsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueContractFulfillmentCostsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueByAssetClassAxis": { "auth_ref": [ "r488", "r495" ], "lang": { "en-US": { "role": { "documentation": "Information by class of asset.", "label": "Asset Class [Axis]", "terseLabel": "Asset Class [Axis]" } } }, "localname": "FairValueByAssetClassAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueAmortizationExpenseAssociatedWithCommissionsAssetAndIntakeCostsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueContractFulfillmentCostsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByFairValueHierarchyLevelAxis": { "auth_ref": [ "r333", "r334", "r336", "r489", "r560" ], "lang": { "en-US": { "role": { "documentation": "Information by level within fair value hierarchy and fair value measured at net asset value per share as practical expedient.", "label": "Fair Value Hierarchy and NAV [Axis]", "terseLabel": "Fair Value Hierarchy and NAV [Axis]" } } }, "localname": "FairValueByFairValueHierarchyLevelAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesFairValueMeasurementsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByMeasurementBasisAxis": { "auth_ref": [ "r488", "r496" ], "lang": { "en-US": { "role": { "documentation": "Information by measurement basis.", "label": "Measurement Basis [Axis]", "terseLabel": "Measurement Basis [Axis]" } } }, "localname": "FairValueByMeasurementBasisAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesFairValueMeasurementsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByMeasurementFrequencyAxis": { "auth_ref": [ "r488", "r489", "r491", "r492", "r497" ], "lang": { "en-US": { "role": { "documentation": "Information by measurement frequency.", "label": "Measurement Frequency [Axis]", "terseLabel": "Measurement Frequency [Axis]" } } }, "localname": "FairValueByMeasurementFrequencyAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesFairValueMeasurementsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueDisclosureItemAmountsDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Measurement basis, for example, but not limited to, reported value, fair value, portion at fair value, portion at other than fair value.", "label": "Fair Value Measurement [Domain]", "terseLabel": "Fair Value Measurement [Domain]" } } }, "localname": "FairValueDisclosureItemAmountsDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesFairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueInputsLevel1Member": { "auth_ref": [ "r333", "r334", "r336", "r489", "r561" ], "lang": { "en-US": { "role": { "documentation": "Quoted prices in active markets for identical assets or liabilities that the reporting entity can access at the measurement date.", "label": "Fair Value, Inputs, Level 1 [Member]", "terseLabel": "Quoted prices in active markets (Level 1)" } } }, "localname": "FairValueInputsLevel1Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesFairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueInputsLevel2Member": { "auth_ref": [ "r333", "r334", "r336", "r489", "r562" ], "lang": { "en-US": { "role": { "documentation": "Inputs other than quoted prices included within level 1 that are observable for an asset or liability, either directly or indirectly, including, but not limited to, quoted prices for similar assets or liabilities in active markets, or quoted prices for identical or similar assets or liabilities in inactive markets.", "label": "Fair Value, Inputs, Level 2 [Member]", "terseLabel": "Significant other observable inputs (Level 2)" } } }, "localname": "FairValueInputsLevel2Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesFairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueInputsLevel3Member": { "auth_ref": [ "r333", "r334", "r336", "r489", "r563" ], "lang": { "en-US": { "role": { "documentation": "Unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.", "label": "Fair Value, Inputs, Level 3 [Member]", "terseLabel": "Significant unobservable inputs (Level 3)" } } }, "localname": "FairValueInputsLevel3Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesFairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueMeasurementFrequencyDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Measurement frequency.", "label": "Measurement Frequency [Domain]", "terseLabel": "Measurement Frequency [Domain]" } } }, "localname": "FairValueMeasurementFrequencyDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesFairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueMeasurementPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for fair value measurements of financial and non-financial assets, liabilities and instruments classified in shareholders' equity. Disclosures include, but are not limited to, how an entity that manages a group of financial assets and liabilities on the basis of its net exposure measures the fair value of those assets and liabilities.", "label": "Fair Value Measurement, Policy [Policy Text Block]", "terseLabel": "Fair Value Measurements" } } }, "localname": "FairValueMeasurementPolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Categories used to prioritize the inputs to valuation techniques to measure fair value.", "label": "Fair Value Hierarchy and NAV [Domain]", "terseLabel": "Fair Value Hierarchy and NAV [Domain]" } } }, "localname": "FairValueMeasurementsFairValueHierarchyDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesFairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueMeasurementsRecurringMember": { "auth_ref": [ "r494", "r497" ], "lang": { "en-US": { "role": { "documentation": "Frequent fair value measurement. Includes, but is not limited to, fair value adjustment for impairment of asset, liability or equity, frequently measured at fair value.", "label": "Fair Value, Recurring [Member]", "terseLabel": "Fair Value, Measurements, Recurring" } } }, "localname": "FairValueMeasurementsRecurringMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesFairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FinanceLeaseInterestExpense": { "auth_ref": [ "r527", "r535", "r545" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesCostsDetails": { "order": 2.0, "parentTag": "irm_FinanceLeaseCost", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of interest expense on finance lease liability.", "label": "Finance Lease, Interest Expense", "terseLabel": "Interest expense for financing lease liabilities" } } }, "localname": "FinanceLeaseInterestExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesCostsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseInterestPaymentOnLiability": { "auth_ref": [ "r530", "r540" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of interest paid on finance lease liability.", "label": "Finance Lease, Interest Payment on Liability", "terseLabel": "Operating cash flows used in financing leases (interest)" } } }, "localname": "FinanceLeaseInterestPaymentOnLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Finance Lease, Liability, Payment, Due [Abstract]", "terseLabel": "Finance Lease, Liability, Payment, Due [Abstract]" } } }, "localname": "FinanceLeaseLiabilitiesPaymentsDueAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FinanceLeaseLiability": { "auth_ref": [ "r526", "r544" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from finance lease.", "label": "Finance Lease, Liability", "terseLabel": "Present value of lease obligations", "verboseLabel": "Capital lease obligations" } } }, "localname": "FinanceLeaseLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityCurrent": { "auth_ref": [ "r526" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails": { "order": 2.0, "parentTag": "irm_LeaseLiabilityCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.", "label": "Finance Lease, Liability, Current", "terseLabel": "Financing lease liabilities" } } }, "localname": "FinanceLeaseLiabilityCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityNoncurrent": { "auth_ref": [ "r526" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails": { "order": 2.0, "parentTag": "irm_LeaseLiabilityNoncurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.", "label": "Finance Lease, Liability, Noncurrent", "terseLabel": "Financing lease liabilities" } } }, "localname": "FinanceLeaseLiabilityNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDue": { "auth_ref": [ "r544" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease.", "label": "Finance Lease, Liability, Payment, Due", "totalLabel": "Total minimum lease payments" } } }, "localname": "FinanceLeaseLiabilityPaymentsDue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive": { "auth_ref": [ "r544" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 6.0, "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due after fifth fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due after Year Five", "terseLabel": "Thereafter" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueAfterYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths": { "auth_ref": [ "r544" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 1.0, "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in next fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due Next Twelve Months", "terseLabel": "2020" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive": { "auth_ref": [ "r544" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 5.0, "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in fifth fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due Year Five", "terseLabel": "2024" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour": { "auth_ref": [ "r544" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 4.0, "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in fourth fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due Year Four", "terseLabel": "2023" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueYearFour", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree": { "auth_ref": [ "r544" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 3.0, "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in third fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due Year Three", "terseLabel": "2022" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueYearThree", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo": { "auth_ref": [ "r544" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 2.0, "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in second fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due Year Two", "terseLabel": "2021" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueYearTwo", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount": { "auth_ref": [ "r544" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.", "label": "Finance Lease, Liability, Undiscounted Excess Amount", "negatedTerseLabel": "Less amounts representing interest or imputed interest" } } }, "localname": "FinanceLeaseLiabilityUndiscountedExcessAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeasePrincipalPayments": { "auth_ref": [ "r529", "r540" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash outflow for principal payment on finance lease.", "label": "Finance Lease, Principal Payments", "terseLabel": "Financing cash flows used in financing leases" } } }, "localname": "FinanceLeasePrincipalPayments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseRightOfUseAsset": { "auth_ref": [ "r525" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails": { "order": 2.0, "parentTag": "irm_LeaseRightofUseAsset", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's right to use underlying asset under finance lease.", "label": "Finance Lease, Right-of-Use Asset", "terseLabel": "Financing lease right-of-use assets, net of accumulated depreciation" } } }, "localname": "FinanceLeaseRightOfUseAsset", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseRightOfUseAssetAmortization": { "auth_ref": [ "r527", "r535", "r545" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesCostsDetails": { "order": 1.0, "parentTag": "irm_FinanceLeaseCost", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense attributable to right-of-use asset from finance lease.", "label": "Finance Lease, Right-of-Use Asset, Amortization", "terseLabel": "Depreciation of financing lease right-of-use assets" } } }, "localname": "FinanceLeaseRightOfUseAssetAmortization", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesCostsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent": { "auth_ref": [ "r542", "r545" ], "lang": { "en-US": { "role": { "documentation": "Weighted average discount rate for finance lease calculated at point in time.", "label": "Finance Lease, Weighted Average Discount Rate, Percent", "terseLabel": "Financing leases, Discount Rate" } } }, "localname": "FinanceLeaseWeightedAverageDiscountRatePercent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesCostsDetails" ], "xbrltype": "percentItemType" }, "us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1": { "auth_ref": [ "r541", "r545" ], "lang": { "en-US": { "role": { "documentation": "Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Finance Lease, Weighted Average Remaining Lease Term", "terseLabel": "Finance leases, Remaining Lease Term" } } }, "localname": "FinanceLeaseWeightedAverageRemainingLeaseTerm1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesCostsDetails" ], "xbrltype": "durationItemType" }, "us-gaap_FiniteLivedIntangibleAssetUsefulLife": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Finite-Lived Intangible Asset, Useful Life", "terseLabel": "Useful life of finite-lived intangible assets" } } }, "localname": "FiniteLivedIntangibleAssetUsefulLife", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "durationItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization": { "auth_ref": [ "r253" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails": { "order": 2.0, "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.", "label": "Finite-Lived Intangible Assets, Accumulated Amortization", "negatedTerseLabel": "Accumulated Amortization" } } }, "localname": "FiniteLivedIntangibleAssetsAccumulatedAmortization", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Finite-Lived Intangible Assets, Amortization Expense, after Year Five", "terseLabel": "Thereafter" } } }, "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths": { "auth_ref": [ "r255" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months", "terseLabel": "2020" } } }, "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of amortization expense of assets, excluding financial assets, that lack physical substance, having a limited useful life.", "label": "Finite-lived Intangible Assets Amortization Expense [Table Text Block]", "terseLabel": "Schedule of amortization expenses" } } }, "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive": { "auth_ref": [ "r255" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Finite-Lived Intangible Assets, Amortization Expense, Year Five", "terseLabel": "2024" } } }, "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour": { "auth_ref": [ "r255" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Finite-Lived Intangible Assets, Amortization Expense, Year Four", "terseLabel": "2023" } } }, "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearFour", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree": { "auth_ref": [ "r255" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Finite-Lived Intangible Assets, Amortization Expense, Year Three", "terseLabel": "2022" } } }, "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearThree", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo": { "auth_ref": [ "r255" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Finite-Lived Intangible Assets, Amortization Expense, Year Two", "terseLabel": "2021" } } }, "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis": { "auth_ref": [ "r248", "r250", "r253", "r256", "r565" ], "lang": { "en-US": { "role": { "documentation": "Information by major type or class of finite-lived intangible assets.", "label": "Finite-Lived Intangible Assets by Major Class [Axis]", "terseLabel": "Finite-Lived Intangible Assets by Major Class [Axis]" } } }, "localname": "FiniteLivedIntangibleAssetsByMajorClassAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]", "terseLabel": "Estimated amortization expense for existing intangible assets for the next five succeeding fiscal years" } } }, "localname": "FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FiniteLivedIntangibleAssetsGross": { "auth_ref": [ "r253", "r565" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails": { "order": 1.0, "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.", "label": "Finite-Lived Intangible Assets, Gross", "terseLabel": "Gross Carrying Amount" } } }, "localname": "FiniteLivedIntangibleAssetsGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Finite-Lived Intangible Assets [Line Items]", "terseLabel": "Amortizable intangible assets" } } }, "localname": "FiniteLivedIntangibleAssetsLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain": { "auth_ref": [ "r248", "r252" ], "lang": { "en-US": { "role": { "documentation": "The major class of finite-lived intangible asset (for example, patents, trademarks, copyrights, etc.) A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.", "label": "Finite-Lived Intangible Assets, Major Class Name [Domain]", "terseLabel": "Finite-Lived Intangible Assets, Major Class Name [Domain]" } } }, "localname": "FiniteLivedIntangibleAssetsMajorClassNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FiniteLivedIntangibleAssetsNet": { "auth_ref": [ "r253" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "irm_AssetsNoncurrentExcludingPropertyPlantAndEquipmentNet", "weight": 1.0 }, "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.", "label": "Finite-Lived Intangible Assets, Net", "terseLabel": "Customer relationships, customer inducements and data center lease-based intangibles", "totalLabel": "Net Carrying Amount" } } }, "localname": "FiniteLivedIntangibleAssetsNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Finite-Lived Intangible Assets, Remaining Amortization Period", "terseLabel": "Remaining amortization period" } } }, "localname": "FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "durationItemType" }, "us-gaap_ForeignCountryMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Designated tax departments of governments entitled to levy and collect income taxes from the entity outside the entity's country of domicile.", "label": "Foreign Tax Authority [Member]", "terseLabel": "Foreign" } } }, "localname": "ForeignCountryMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails", "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementNarrativeDetailsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ForeignCurrencyContractAssetFairValueDisclosure": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value portion of asset contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward contracts, and swaps.", "label": "Foreign Currency Contract, Asset, Fair Value Disclosure", "terseLabel": "Derivative Assets" } } }, "localname": "ForeignCurrencyContractAssetFairValueDisclosure", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesFairValueMeasurementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Fair value portion of liability contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into.", "label": "Foreign Currency Contracts, Liability, Fair Value Disclosure", "terseLabel": "Derivative Liabilities" } } }, "localname": "ForeignCurrencyContractsLiabilityFairValueDisclosure", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesFairValueMeasurementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ForeignCurrencyTransactionGainLossBeforeTax": { "auth_ref": [ "r503", "r504", "r505" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesOtherExpenseIncomeNetDetails": { "order": 1.0, "parentTag": "us-gaap_OtherNonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.", "label": "Foreign Currency Transaction Gain (Loss), before Tax", "negatedLabel": "Foreign currency transaction losses (gains), net" } } }, "localname": "ForeignCurrencyTransactionGainLossBeforeTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesOtherExpenseIncomeNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock": { "auth_ref": [ "r151", "r505", "r510" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for (1) transactions denominated in a currency other than the reporting enterprise's functional currency, (2) translating foreign currency financial statements that are incorporated into the financial statements of the reporting enterprise by consolidation, combination, or the equity method of accounting, and (3) remeasurement of the financial statements of a foreign reporting enterprise in a hyperinflationary economy.", "label": "Foreign Currency Transactions and Translations Policy [Policy Text Block]", "terseLabel": "Foreign Currency" } } }, "localname": "ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ForeignExchangeForwardMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Foreign exchange forward traded on an exchange (examples include but are not limited to the International Securities Exchange, Philadelphia Stock Exchange, or the Chicago Mercantile Exchange) for options or future contracts to buy or sell a certain currency, at a specified date, at a fixed exercise exchange rate.", "label": "Foreign Exchange Forward [Member]", "terseLabel": "Foreign exchange contracts", "verboseLabel": "Foreign Exchange Currency Forward Contracts" } } }, "localname": "ForeignExchangeForwardMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesAmountOfGainsLossesInIncomeOnDerivativesDetailsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesForwardCurrencyContractsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetCashReceiptsPaymentsIncludedInCashFromOperatingActivitiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FurnitureAndFixturesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.", "label": "Furniture and Fixtures [Member]", "terseLabel": "Furniture and fixtures" } } }, "localname": "FurnitureAndFixturesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "us-gaap_GainLossOnSaleOfProperties": { "auth_ref": [ "r141", "r258", "r263" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.", "label": "Gain (Loss) on Sale of Properties", "terseLabel": "Gain on Sale of Real Estate, Net of tax" } } }, "localname": "GainLossOnSaleOfProperties", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfEffectOfChangesInPresentationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GainLossOnSaleOfPropertiesNetOfApplicableIncomeTaxes": { "auth_ref": [ "r638" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "This element represents the amount of gain (loss) on sale of properties during the reporting period net of the applicable income taxes realized.", "label": "Gain (Loss) on Sale of Properties, Net of Applicable Income Taxes", "terseLabel": "Gain on sale of real estate, net of tax" } } }, "localname": "GainLossOnSaleOfPropertiesNetOfApplicableIncomeTaxes", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLongLivedAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GainLossOnSaleOfPropertyPlantEquipment": { "auth_ref": [ "r141" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.", "label": "Gain (Loss) on Disposition of Property Plant Equipment", "terseLabel": "(Gain) Loss on disposal/write-down of property, plant and equipment, net" } } }, "localname": "GainLossOnSaleOfPropertyPlantEquipment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfEffectOfChangesInPresentationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges": { "auth_ref": [ "r141" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 10.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) from the difference between the sale price or salvage price and the book value of an asset that was sold or retired, and gain (loss) from the write down of assets from their carrying value to fair value.", "label": "Gain (Loss) on Sale of Assets and Asset Impairment Charges", "negatedLabel": "Loss on disposal/write-down of property, plant and equipment", "negatedTerseLabel": "(Gain) loss on disposal/write-down of property, plant and equipment, net", "terseLabel": "Gain on disposal/write-down of property, plant and equipment (excluding real estate), net" } } }, "localname": "GainLossOnSalesOfAssetsAndAssetImpairmentCharges", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails", "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLongLivedAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GainsLossesOnExtinguishmentOfDebt": { "auth_ref": [ "r141", "r300", "r301" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 9.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations", "weight": -1.0 }, "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesOtherExpenseIncomeNetDetails": { "order": 2.0, "parentTag": "us-gaap_OtherNonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.", "label": "Gain (Loss) on Extinguishment of Debt", "negatedLabel": "Debt extinguishment expense, net" } } }, "localname": "GainsLossesOnExtinguishmentOfDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesOtherExpenseIncomeNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_Goodwill": { "auth_ref": [ "r237", "r238" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "irm_AssetsNoncurrentExcludingPropertyPlantAndEquipmentNet", "weight": 1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails": { "order": 3.0, "parentTag": "irm_AssetsNoncurrentExcludingPropertyPlantAndEquipmentNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.", "label": "Goodwill", "terseLabel": "Goodwill", "verboseLabel": "Goodwill Initially Recorded" } } }, "localname": "Goodwill", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails", "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GoodwillAcquiredDuringPeriod": { "auth_ref": [ "r240" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.", "label": "Goodwill, Acquired During Period", "terseLabel": "Non-deductible goodwill acquired during the year" } } }, "localname": "GoodwillAcquiredDuringPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GoodwillAndIntangibleAssetImpairment": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 5.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations", "weight": 1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails": { "order": 7.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill.", "label": "Goodwill and Intangible Asset Impairment", "terseLabel": "Intangible impairments" } } }, "localname": "GoodwillAndIntangibleAssetImpairment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/SegmentInformationReconciliationOfAdjustedEbitdaToIncomeLossFromContinuingOperationsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesGoodwillAndOtherIndefiniteLivedIntangibleAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock": { "auth_ref": [ "r151", "r245", "r251" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for goodwill and intangible assets. This accounting policy also may address how an entity assesses and measures impairment of goodwill and intangible assets.", "label": "Goodwill and Intangible Assets, Policy [Policy Text Block]", "terseLabel": "Goodwill and Other Intangible Assets" } } }, "localname": "GoodwillAndIntangibleAssetsPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_GoodwillForeignCurrencyTranslationGainLoss": { "auth_ref": [ "r242" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.", "label": "Goodwill, Foreign Currency Translation Gain (Loss)", "terseLabel": "Currency effects" } } }, "localname": "GoodwillForeignCurrencyTranslationGainLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GoodwillGross": { "auth_ref": [ "r239", "r244" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.", "label": "Goodwill, Gross", "periodEndLabel": "Ending balance", "periodStartLabel": "Beginning balance" } } }, "localname": "GoodwillGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GoodwillImpairedAccumulatedImpairmentLoss": { "auth_ref": [ "r239", "r244" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.", "label": "Goodwill, Impaired, Accumulated Impairment Loss", "terseLabel": "Accumulated goodwill impairment" } } }, "localname": "GoodwillImpairedAccumulatedImpairmentLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GoodwillLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Goodwill [Line Items]", "terseLabel": "Goodwill" } } }, "localname": "GoodwillLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails" ], "xbrltype": "stringItemType" }, "us-gaap_GoodwillPurchaseAccountingAdjustments": { "auth_ref": [ "r243", "r417" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.", "label": "Goodwill, Purchase Accounting Adjustments", "terseLabel": "Fair value and other adjustments" } } }, "localname": "GoodwillPurchaseAccountingAdjustments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GoodwillRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Goodwill [Roll Forward]", "terseLabel": "Gross amount of goodwill [Roll Forward]" } } }, "localname": "GoodwillRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails" ], "xbrltype": "stringItemType" }, "us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit": { "auth_ref": [ "r241" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.", "label": "Goodwill, Written off Related to Sale of Business Unit", "negatedTerseLabel": "Goodwill allocated to IMFS Divestment (see Note 13)" } } }, "localname": "GoodwillWrittenOffRelatedToSaleOfBusinessUnit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_HedgingDesignationAxis": { "auth_ref": [ "r466", "r481" ], "lang": { "en-US": { "role": { "documentation": "Information by designation of purpose of derivative instrument.", "label": "Hedging Designation [Axis]", "terseLabel": "Hedging Designation [Axis]" } } }, "localname": "HedgingDesignationAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesAmountOfGainsLossesInIncomeOnDerivativesDetailsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesForwardCurrencyContractsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesHedgeOfNetInvestmentDetailsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_HedgingDesignationDomain": { "auth_ref": [ "r466" ], "lang": { "en-US": { "role": { "documentation": "Designation of purpose of derivative instrument.", "label": "Hedging Designation [Domain]", "terseLabel": "Hedging Designation [Domain]" } } }, "localname": "HedgingDesignationDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesAmountOfGainsLossesInIncomeOnDerivativesDetailsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesForwardCurrencyContractsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesHedgeOfNetInvestmentDetailsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_HedgingRelationshipDomain": { "auth_ref": [ "r466" ], "lang": { "en-US": { "role": { "documentation": "Nature or intent of a hedge.", "label": "Hedging Relationship [Domain]", "terseLabel": "Hedging Relationship [Domain]" } } }, "localname": "HedgingRelationshipDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesHedgeOfNetInvestmentDetailsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetInvestmentHedgesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for the impairment and disposal of long-lived assets including goodwill and other intangible assets.", "label": "Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block]", "terseLabel": "Long-Lived Assets" } } }, "localname": "ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic": { "auth_ref": [ "r161" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesComponentsOfIncomeLossFromContinuingOperationsDetails": { "order": 1.0, "parentTag": "irm_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsMinorityInterestAndGainLossOnDispositionOfRealEstate", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.", "label": "Income (Loss) from Continuing Operations before Income Taxes, Domestic", "terseLabel": "United States" } } }, "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesComponentsOfIncomeLossFromContinuingOperationsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest": { "auth_ref": [ "r105", "r173", "r580", "r596", "r619" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.", "label": "Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest", "terseLabel": "Income (Loss) from Continuing Operations Before Provision (Benefit) for Income Taxes" } } }, "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfEffectOfChangesInPresentationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign": { "auth_ref": [ "r161" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesComponentsOfIncomeLossFromContinuingOperationsDetails": { "order": 3.0, "parentTag": "irm_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsMinorityInterestAndGainLossOnDispositionOfRealEstate", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.", "label": "Income (Loss) from Continuing Operations before Income Taxes, Foreign", "terseLabel": "Other Foreign" } } }, "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesComponentsOfIncomeLossFromContinuingOperationsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest": { "auth_ref": [ "r443" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_ProfitLoss", "weight": 1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails": { "order": 1.0, "parentTag": "irm_IncomelossfromContinuingOperationsNetofTaxexcludingPortionAttributabletoNoncontrollingInterest", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest.", "label": "Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest", "netLabel": "Income (Loss) from Continuing Operations", "totalLabel": "Income (Loss) from Continuing Operations", "verboseLabel": "Income (loss) from continuing operations" } } }, "localname": "IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SegmentInformationReconciliationOfAdjustedEbitdaToIncomeLossFromContinuingOperationsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeLossFromContinuingOperationsPerBasicShare": { "auth_ref": [ "r103", "r110", "r181", "r183", "r184", "r594", "r597", "r598", "r616" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_EarningsPerShareBasic", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period.", "label": "Income (Loss) from Continuing Operations, Per Basic Share", "netLabel": "Income (loss) from continuing operations (in dollars per share)", "terseLabel": "Income (loss) per share from continuing operations (in dollars per share)", "verboseLabel": "Income (Loss) from Continuing Operations (in dollars per share)" } } }, "localname": "IncomeLossFromContinuingOperationsPerBasicShare", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare": { "auth_ref": [ "r103", "r110", "r181", "r183", "r184", "r185", "r598", "r616", "r618" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_EarningsPerShareDiluted", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.", "label": "Income (Loss) from Continuing Operations, Per Diluted Share", "netLabel": "Income (loss) per share from continuing operations (in dollars per share)", "verboseLabel": "Income (Loss) from Continuing Operations (in dollars per share)" } } }, "localname": "IncomeLossFromContinuingOperationsPerDilutedShare", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax": { "auth_ref": [ "r3", "r4", "r5", "r6", "r7", "r22", "r110", "r617" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations", "weight": -1.0 }, "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "us-gaap_ProfitLoss", "weight": 1.0 }, "http://www.ironmountain.com/role/DivestmentsResultsOfOperationsDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails": { "order": 2.0, "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.", "label": "Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest", "negatedLabel": "(Income) loss from discontinued operations", "netLabel": "Total (loss) income from discontinued operations", "terseLabel": "Income (Loss) from Discontinued Operations, Net of Tax", "totalLabel": "Income (Loss) from Discontinued Operations, Net of Tax", "verboseLabel": "Income (loss) from discontinued operations, net of tax" } } }, "localname": "IncomeLossFromDiscontinuedOperationsNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/DivestmentsResultsOfOperationsDetails", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare": { "auth_ref": [ "r107", "r110", "r182", "r183", "r184", "r598", "r617", "r618" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "us-gaap_EarningsPerShareBasic", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Per basic share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation.", "label": "Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share", "netLabel": "Total (loss) income per share from discontinued operations (in dollars per share)", "terseLabel": "Total (Loss) Income from Discontinued Operations, Net of Tax (in dollars per share)", "verboseLabel": "(Loss) income from discontinued operations, net of tax (in dollars per share)" } } }, "localname": "IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare": { "auth_ref": [ "r182", "r183", "r184", "r460" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "us-gaap_EarningsPerShareDiluted", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Per diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation.", "label": "Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share", "netLabel": "Total (loss) income per share from discontinued operations (in dollars per share)", "terseLabel": "Total (Loss) Income from Discontinued Operations, Net of Tax (in dollars per share)", "verboseLabel": "(Loss) income from discontinued operations, net of tax (in dollars per share)" } } }, "localname": "IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_IncomeLossFromEquityMethodInvestments": { "auth_ref": [ "r106", "r141", "r211", "r230", "r595", "r615" ], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails": { "order": 3.0, "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of income (loss) for proportionate share of equity method investee's income (loss).", "label": "Income (Loss) from Equity Method Investments", "terseLabel": "Equity in Other Comprehensive (Loss) Income of Subsidiaries" } } }, "localname": "IncomeLossFromEquityMethodInvestments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeLossFromSubsidiariesNetOfTax": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails": { "order": 3.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of income (loss) of subsidiary attributable to the parent entity.", "label": "Income (Loss) from Subsidiaries, Net of Tax", "negatedLabel": "Equity in the (Earnings) Losses of Subsidiaries, Net of Tax" } } }, "localname": "IncomeLossFromSubsidiariesNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeStatementAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Income Statement [Abstract]" } } }, "localname": "IncomeStatementAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by name of disposal group.", "label": "Disposal Group Name [Axis]", "terseLabel": "Disposal Group Name [Axis]" } } }, "localname": "IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/DivestmentsResultsOfOperationsDetails", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLongLivedAssetsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesOtherExpenseIncomeNetDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]", "terseLabel": "Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]", "verboseLabel": "Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]" } } }, "localname": "IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/DivestmentsResultsOfOperationsDetails", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLongLivedAssetsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesOtherExpenseIncomeNetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable": { "auth_ref": [ "r1", "r9", "r10", "r11", "r12", "r14", "r15", "r20", "r23", "r24", "r25", "r267", "r268" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.", "label": "Disposal Groups, Including Discontinued Operations [Table]", "terseLabel": "Disposal Groups, Including Discontinued Operations [Table]", "verboseLabel": "Disposal Groups, Including Discontinued Operations [Table]" } } }, "localname": "IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/DivestmentsResultsOfOperationsDetails", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLongLivedAssetsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesOtherExpenseIncomeNetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementLocationAxis": { "auth_ref": [ "r264" ], "lang": { "en-US": { "role": { "documentation": "Information by location in the income statement.", "label": "Income Statement Location [Axis]", "terseLabel": "Income Statement Location [Axis]" } } }, "localname": "IncomeStatementLocationAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesCostsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfEffectOfChangesInPresentationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementLocationDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Location in the income statement.", "label": "Income Statement Location [Domain]", "terseLabel": "Income Statement Location [Domain]" } } }, "localname": "IncomeStatementLocationDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesCostsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfEffectOfChangesInPresentationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_IncomeTaxAuthorityAxis": { "auth_ref": [ "r387" ], "lang": { "en-US": { "role": { "documentation": "Information by tax jurisdiction.", "label": "Income Tax Authority [Axis]", "terseLabel": "Income Tax Authority [Axis]" } } }, "localname": "IncomeTaxAuthorityAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails", "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementNarrativeDetailsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxAuthorityDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Agency, division or body classification that levies income taxes, examines tax returns for compliance, or grants exemptions from or makes other decisions pertaining to income taxes.", "label": "Income Tax Authority [Domain]", "terseLabel": "Income Tax Authority [Domain]" } } }, "localname": "IncomeTaxAuthorityDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails", "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementNarrativeDetailsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_IncomeTaxAuthorityNameAxis": { "auth_ref": [ "r387" ], "lang": { "en-US": { "role": { "documentation": "Information by name of taxing authority.", "label": "Income Tax Authority, Name [Axis]", "terseLabel": "Income Tax Authority, Name [Axis]" } } }, "localname": "IncomeTaxAuthorityNameAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails", "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementNarrativeDetailsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxAuthorityNameDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Named agency, division or body that levies income taxes, examines tax returns for compliance, or grants exemptions from or makes other decisions pertaining to income taxes.", "label": "Income Tax Authority, Name [Domain]", "terseLabel": "Income Tax Authority, Name [Domain]" } } }, "localname": "IncomeTaxAuthorityNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails", "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementNarrativeDetailsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_IncomeTaxDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Income Tax Disclosure [Abstract]" } } }, "localname": "IncomeTaxDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxDisclosureTextBlock": { "auth_ref": [ "r416" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.", "label": "Income Tax Disclosure [Text Block]", "terseLabel": "Income Taxes" } } }, "localname": "IncomeTaxDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxes" ], "xbrltype": "textBlockItemType" }, "us-gaap_IncomeTaxExpenseBenefit": { "auth_ref": [ "r155", "r212", "r413" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetailsCalc2": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails": { "order": 2.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.", "label": "Income Tax Expense (Benefit)", "negatedLabel": "Benefit for income taxes", "terseLabel": "Provision (Benefit) for Income Taxes", "totalLabel": "Provision (Benefit) for Income Taxes", "verboseLabel": "Provision (Benefit) for Income Taxes" } } }, "localname": "IncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails", "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails", "http://www.ironmountain.com/role/SegmentInformationReconciliationOfAdjustedEbitdaToIncomeLossFromContinuingOperationsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfEffectOfChangesInPresentationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Effective Income Tax Rate Reconciliation, Amount [Abstract]", "terseLabel": "Reconciliation of total income tax expense and applying the federal income tax rate to income before provision (benefit) for income taxes:" } } }, "localname": "IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxPolicyTextBlock": { "auth_ref": [ "r101", "r151", "r379", "r380", "r396", "r397", "r402", "r415", "r627" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for income taxes, which may include its accounting policies for recognizing and measuring deferred tax assets and liabilities and related valuation allowances, recognizing investment tax credits, operating loss carryforwards, tax credit carryforwards, and other carryforwards, methodologies for determining its effective income tax rate and the characterization of interest and penalties in the financial statements.", "label": "Income Tax, Policy [Policy Text Block]", "terseLabel": "Income Taxes" } } }, "localname": "IncomeTaxPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance": { "auth_ref": [ "r378", "r384", "r385" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails": { "order": 4.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.", "label": "Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount", "negatedTerseLabel": "Increase in valuation allowance (net operating losses)", "terseLabel": "Increase (decrease) in valuation allowance (net operating losses)" } } }, "localname": "IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails", "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate": { "auth_ref": [ "r377", "r384", "r385" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails": { "order": 6.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates.", "label": "Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount", "terseLabel": "U.S. Federal Rate Reduction" } } }, "localname": "IncomeTaxReconciliationChangeInEnactedTaxRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationDeductionsExtraterritorialIncomeExclusion": { "auth_ref": [ "r384", "r385" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails": { "order": 9.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for extraterritorial income exclusion.", "label": "Effective Income Tax Rate Reconciliation, Deduction, Extraterritorial Income Exclusion, Amount", "negatedLabel": "Disallowed foreign interest, Subpart F income, and other foreign taxes" } } }, "localname": "IncomeTaxReconciliationDeductionsExtraterritorialIncomeExclusion", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential": { "auth_ref": [ "r153", "r384", "r385" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails": { "order": 8.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit).", "label": "Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount", "terseLabel": "Foreign tax rate differential", "verboseLabel": "Foreign tax rate differential provision (benefit)" } } }, "localname": "IncomeTaxReconciliationForeignIncomeTaxRateDifferential", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails", "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate": { "auth_ref": [ "r154", "r384", "r385" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails": { "order": 1.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.", "label": "Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount", "terseLabel": "Computed expected tax provision" } } }, "localname": "IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationOtherAdjustments": { "auth_ref": [ "r384" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails": { "order": 10.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.", "label": "Effective Income Tax Rate Reconciliation, Other Adjustments, Amount", "terseLabel": "Other, net" } } }, "localname": "IncomeTaxReconciliationOtherAdjustments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationRepatriationOfForeignEarnings": { "auth_ref": [ "r384", "r385" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails": { "order": 5.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to repatriation of foreign earnings.", "label": "Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount", "verboseLabel": "Foreign repatriation" } } }, "localname": "IncomeTaxReconciliationRepatriationOfForeignEarnings", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes": { "auth_ref": [ "r154", "r384", "r385" ], "calculation": { "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails": { "order": 3.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit).", "label": "Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount", "terseLabel": "State taxes (net of federal tax benefit)" } } }, "localname": "IncomeTaxReconciliationStateAndLocalIncomeTaxes", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesIncomeTaxReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationTaxSettlements": { "auth_ref": [ "r384", "r385" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements.", "label": "Effective Income Tax Rate Reconciliation, Tax Settlement, Amount", "negatedTerseLabel": "Tax benefit as a result of the resolution of a tax matter" } } }, "localname": "IncomeTaxReconciliationTaxSettlements", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxesPaidNet": { "auth_ref": [ "r145" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.", "label": "Income Taxes Paid, Net", "terseLabel": "Cash Paid for Income Taxes, Net" } } }, "localname": "IncomeTaxesPaidNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInOperatingAssets": { "auth_ref": [ "r140" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 13.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The increase (decrease) during the reporting period in the aggregate amount of assets used to generate operating income.", "label": "Increase (Decrease) in Operating Assets", "negatedTerseLabel": "Decrease (increase) in assets" } } }, "localname": "IncreaseDecreaseInOperatingAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInOperatingLiabilities": { "auth_ref": [ "r140" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 14.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The increase (decrease) during the reporting period in the aggregate amount of liabilities that result from activities that generate operating income.", "label": "Increase (Decrease) in Operating Liabilities", "terseLabel": "Increase (decrease) in liabilities" } } }, "localname": "IncreaseDecreaseInOperatingLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInStockholdersEquityRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Increase (Decrease) in Stockholders' Equity [Roll Forward]", "terseLabel": "Increase (Decrease) in Stockholders' Equity" } } }, "localname": "IncreaseDecreaseInStockholdersEquityRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity" ], "xbrltype": "stringItemType" }, "us-gaap_IncreaseDecreaseInTemporaryEquityRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Increase (Decrease) in Temporary Equity [Roll Forward]", "terseLabel": "Increase (Decrease) in Temporary Equity [Roll Forward]" } } }, "localname": "IncreaseDecreaseInTemporaryEquityRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity" ], "xbrltype": "stringItemType" }, "us-gaap_InsuranceSettlementMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A potential recovery of a loss for which a claim was filed with an insurer.", "label": "Insurance Settlement [Member]", "terseLabel": "Insurance Settlement" } } }, "localname": "InsuranceSettlementMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_IntangibleAssetsFiniteLivedPolicy": { "auth_ref": [ "r151", "r252" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for finite-lived intangible assets. This accounting policy also might address: (1) the amortization method used; (2) the useful lives of such assets; and (3) how the entity assesses and measures impairment of such assets.", "label": "Intangible Assets, Finite-Lived, Policy [Policy Text Block]", "terseLabel": "Customer Relationships and Acquisitions Costs and Other Intangible Assets" } } }, "localname": "IntangibleAssetsFiniteLivedPolicy", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_InterestCostsCapitalized": { "auth_ref": [ "r512" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of interest capitalized during the period.", "label": "Interest Costs Capitalized", "terseLabel": "Capitalized interest" } } }, "localname": "InterestCostsCapitalized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestIncomeExpenseNet": { "auth_ref": [ "r599" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "irm_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsMinorityInterestAndGainLossOnDispositionOfRealEstate", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The net amount of operating interest income (expense).", "label": "Interest Income (Expense), Net", "negatedLabel": "Interest Expense, Net (includes Interest Income of $6,559, $6,553 and $7,659 in 2019, 2018 and 2017, respectively)", "negatedTerseLabel": "Interest Expense (Income), Net", "terseLabel": "Interest Expense, Net" } } }, "localname": "InterestIncomeExpenseNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/SegmentInformationReconciliationOfAdjustedEbitdaToIncomeLossFromContinuingOperationsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestPaidNet": { "auth_ref": [ "r134", "r138", "r145" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.", "label": "Interest Paid, Excluding Capitalized Interest, Operating Activities", "terseLabel": "Cash Paid for Interest" } } }, "localname": "InterestPaidNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestPayableCurrent": { "auth_ref": [ "r34", "r35", "r69" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPrepaidExpensesAndAccruedExpensesDetails": { "order": 1.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Interest Payable, Current", "terseLabel": "Interest" } } }, "localname": "InterestPayableCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPrepaidExpensesAndAccruedExpensesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestRateSwapMember": { "auth_ref": [ "r478" ], "lang": { "en-US": { "role": { "documentation": "Forward based contracts in which two parties agree to swap periodic payments that are fixed at the outset of the swap contract with variable payments based on a market interest rate (index rate) over a specified period.", "label": "Interest Rate Swap [Member]", "terseLabel": "Interest Rate Swap" } } }, "localname": "InterestRateSwapMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesInterestRateSwapAgreementsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_InternalRevenueServiceIRSMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Designated tax department of the United States of America government entitled to levy and collect income taxes from the entity.", "label": "Internal Revenue Service (IRS) [Member]", "terseLabel": "Federal" } } }, "localname": "InternalRevenueServiceIRSMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_InvestmentIncomeInterest": { "auth_ref": [ "r117", "r209" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.", "label": "Investment Income, Interest", "terseLabel": "Interest Income" } } }, "localname": "InvestmentIncomeInterest", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperationsParenthetical" ], "xbrltype": "monetaryItemType" }, "us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures": { "auth_ref": [ "r61" ], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails": { "order": 2.0, "parentTag": "irm_AssetsNoncurrentExcludingPropertyPlantAndEquipmentNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of investment in equity method investee and investment in and advance to affiliate.", "label": "Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures", "terseLabel": "Investment in subsidiaries" } } }, "localname": "InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LandMember": { "auth_ref": [ "r329" ], "lang": { "en-US": { "role": { "documentation": "Part of earth's surface not covered by water.", "label": "Land [Member]", "terseLabel": "Land" } } }, "localname": "LandMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LeaseCostTableTextBlock": { "auth_ref": [ "r543" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.", "label": "Lease, Cost [Table Text Block]", "terseLabel": "Schedule of lease, cost" } } }, "localname": "LeaseCostTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_LeaseholdImprovementsMember": { "auth_ref": [ "r260" ], "lang": { "en-US": { "role": { "documentation": "Additions or improvements to assets held under a lease arrangement.", "label": "Leasehold Improvements [Member]", "terseLabel": "Leasehold improvements" } } }, "localname": "LeaseholdImprovementsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LeasesAcquiredInPlaceMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "This element represents the amount of value allocated by a lessor (acquirer) to lease agreements which exist at acquisition of a leased property. Such amount may include the value assigned to tenant relationships and excludes the market adjustment component of the value assigned for above or below-market leases acquired.", "label": "Leases, Acquired-in-Place [Member]", "terseLabel": "Data center in-place leases" } } }, "localname": "LeasesAcquiredInPlaceMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LeasesOperatingAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Leases, Operating [Abstract]", "terseLabel": "Leases, Operating [Abstract]" } } }, "localname": "LeasesOperatingAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LesseeFinanceSubleaseDescriptionAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Lessee, Finance Sublease, Description [Abstract]", "terseLabel": "Lessee, Finance Sublease, Description [Abstract]" } } }, "localname": "LesseeFinanceSubleaseDescriptionAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LesseeLeaseDescriptionLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Lessee, Lease, Description [Line Items]", "terseLabel": "Lessee, Lease, Description [Line Items]" } } }, "localname": "LesseeLeaseDescriptionLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesCostsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LesseeLeaseDescriptionTable": { "auth_ref": [ "r534" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about lessee's leases.", "label": "Lessee, Lease, Description [Table]", "terseLabel": "Lessee, Lease, Description [Table]" } } }, "localname": "LesseeLeaseDescriptionTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesCostsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LesseeLeasesPolicyTextBlock": { "auth_ref": [ "r532" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for leasing arrangement entered into by lessee.", "label": "Lessee, Leases [Policy Text Block]", "terseLabel": "Leases" } } }, "localname": "LesseeLeasesPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue": { "auth_ref": [ "r544" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease.", "label": "Lessee, Operating Lease, Liability, Payments, Due", "totalLabel": "Total minimum lease payments" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive": { "auth_ref": [ "r544" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 6.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due after fifth fiscal year following latest fiscal year.", "label": "Lessee, Operating Lease, Liability, Payments, Due after Year Five", "terseLabel": "Thereafter" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths": { "auth_ref": [ "r544" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 1.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in next fiscal year following latest fiscal year.", "label": "Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months", "terseLabel": "2020" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive": { "auth_ref": [ "r544" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 5.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fifth fiscal year following latest fiscal year.", "label": "Lessee, Operating Lease, Liability, Payments, Due Year Five", "terseLabel": "2024" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour": { "auth_ref": [ "r544" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 4.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fourth fiscal year following latest fiscal year.", "label": "Lessee, Operating Lease, Liability, Payments, Due Year Four", "terseLabel": "2023" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearFour", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree": { "auth_ref": [ "r544" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 3.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in third fiscal year following latest fiscal year.", "label": "Lessee, Operating Lease, Liability, Payments, Due Year Three", "terseLabel": "2022" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearThree", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo": { "auth_ref": [ "r544" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 2.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in second fiscal year following latest fiscal year.", "label": "Lessee, Operating Lease, Liability, Payments, Due Year Two", "terseLabel": "2021" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearTwo", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount": { "auth_ref": [ "r544" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.", "label": "Lessee, Operating Lease, Liability, Undiscounted Excess Amount", "negatedTerseLabel": "Less amounts representing interest or imputed interest" } } }, "localname": "LesseeOperatingLeaseLiabilityUndiscountedExcessAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseRenewalTerm": { "auth_ref": [ "r533" ], "lang": { "en-US": { "role": { "documentation": "Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Lessee, Operating Lease, Renewal Term", "verboseLabel": "Lessee, operating lease, renewal term" } } }, "localname": "LesseeOperatingLeaseRenewalTerm", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails" ], "xbrltype": "durationItemType" }, "us-gaap_LesseeOperatingLeaseTermOfContract": { "auth_ref": [ "r533" ], "lang": { "en-US": { "role": { "documentation": "Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Lessee, Operating Lease, Term of Contract", "terseLabel": "Lessee, operating lease, term" } } }, "localname": "LesseeOperatingLeaseTermOfContract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails" ], "xbrltype": "durationItemType" }, "us-gaap_LettersOfCreditOutstandingAmount": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.", "label": "Letters of Credit Outstanding, Amount", "terseLabel": "Letters of credit outstanding" } } }, "localname": "LettersOfCreditOutstandingAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtCovenantRatiosDetails", "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesAndStockholdersEquity": { "auth_ref": [ "r54", "r588", "r610" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.", "label": "Liabilities and Equity", "totalLabel": "Total Liabilities and Equity" } } }, "localname": "LiabilitiesAndStockholdersEquity", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesAndStockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Liabilities and Equity [Abstract]", "terseLabel": "LIABILITIES AND EQUITY", "verboseLabel": "LIABILITIES AND EQUITY" } } }, "localname": "LiabilitiesAndStockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilitiesCurrent": { "auth_ref": [ "r70" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.", "label": "Liabilities, Current", "terseLabel": "Total Current Liabilities", "totalLabel": "Total Current Liabilities" } } }, "localname": "LiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesCurrentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Liabilities, Current [Abstract]", "terseLabel": "Current Liabilities:" } } }, "localname": "LiabilitiesCurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_LineOfCredit": { "auth_ref": [ "r42", "r586", "r605" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.", "label": "Long-term Line of Credit", "terseLabel": "Line of credit" } } }, "localname": "LineOfCredit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtAccountsReceivableAndMortgageSecuritizationProgramNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LineOfCreditFacilityCommitmentFeePercentage": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.", "label": "Line of Credit Facility, Commitment Fee Percentage", "terseLabel": "Commitment fee percentage" } } }, "localname": "LineOfCreditFacilityCommitmentFeePercentage", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtAccountsReceivableAndMortgageSecuritizationProgramNarrativeDetails", "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails" ], "xbrltype": "percentItemType" }, "us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity": { "auth_ref": [ "r67" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.", "label": "Line of Credit Facility, Maximum Borrowing Capacity", "terseLabel": "Maximum borrowing capacity" } } }, "localname": "LineOfCreditFacilityMaximumBorrowingCapacity", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtAccountsReceivableAndMortgageSecuritizationProgramNarrativeDetails", "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails", "http://www.ironmountain.com/role/DebtUkBilateralRevolvingCreditFacilityDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity": { "auth_ref": [ "r67" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).", "label": "Line of Credit Facility, Remaining Borrowing Capacity", "terseLabel": "Remaining amount available for borrowing under credit facility" } } }, "localname": "LineOfCreditFacilityRemainingBorrowingCapacity", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LineOfCreditMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A contractual arrangement with a lender under which borrowings can be made up to a specific amount at any point in time, and under which borrowings outstanding may be either short-term or long-term, depending upon the particulars.", "label": "Line of Credit [Member]", "terseLabel": "Credit Agreement" } } }, "localname": "LineOfCreditMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtCovenantRatiosDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LoansPayableMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Borrowing supported by a written promise to pay an obligation.", "label": "Loans Payable [Member]", "terseLabel": "Loans Payable" } } }, "localname": "LoansPayableMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LongMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicates an ownership position in, or purchase of, a security.", "label": "Long [Member]", "terseLabel": "Purchase" } } }, "localname": "LongMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesForwardCurrencyContractsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LongTermDebt": { "auth_ref": [ "r42", "r298", "r586", "r608" ], "calculation": { "http://www.ironmountain.com/role/DebtMaturitiesOfLongTermDebtDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.", "label": "Long-term Debt", "totalLabel": "Total Long-term Debt (including current portion)", "verboseLabel": "Long-term debt" } } }, "localname": "LongTermDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtMaturitiesOfLongTermDebtDetails", "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtAndCapitalLeaseObligations": { "auth_ref": [ "r42" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of long-term debt and lease obligation, classified as noncurrent.", "label": "Long-term Debt and Lease Obligation", "terseLabel": "Long-term Debt, net of current portion", "verboseLabel": "Long-term Debt, Net of Current Portion" } } }, "localname": "LongTermDebtAndCapitalLeaseObligations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent": { "auth_ref": [ "r69" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of long-term debt and lease obligation, classified as current.", "label": "Long-term Debt and Lease Obligation, Current", "terseLabel": "Current portion of long-term debt", "verboseLabel": "Current Portion of Long-term Debt" } } }, "localname": "LongTermDebtAndCapitalLeaseObligationsCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtCurrent": { "auth_ref": [ "r68" ], "calculation": { "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails": { "order": 1.0, "parentTag": "us-gaap_LongTermDebt", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.", "label": "Long-term Debt, Current Maturities", "negatedTerseLabel": "Carrying amount, current portion" } } }, "localname": "LongTermDebtCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive": { "auth_ref": [ "r168", "r293" ], "calculation": { "http://www.ironmountain.com/role/DebtMaturitiesOfLongTermDebtDetails": { "order": 6.0, "parentTag": "us-gaap_LongTermDebt", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Long-term Debt, Maturities, Repayments of Principal after Year Five", "terseLabel": "Thereafter" } } }, "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtMaturitiesOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths": { "auth_ref": [ "r168", "r293" ], "calculation": { "http://www.ironmountain.com/role/DebtMaturitiesOfLongTermDebtDetails": { "order": 1.0, "parentTag": "us-gaap_LongTermDebt", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months", "terseLabel": "2020" } } }, "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtMaturitiesOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive": { "auth_ref": [ "r168", "r293" ], "calculation": { "http://www.ironmountain.com/role/DebtMaturitiesOfLongTermDebtDetails": { "order": 5.0, "parentTag": "us-gaap_LongTermDebt", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Long-term Debt, Maturities, Repayments of Principal in Year Five", "terseLabel": "2024" } } }, "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtMaturitiesOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour": { "auth_ref": [ "r168", "r293" ], "calculation": { "http://www.ironmountain.com/role/DebtMaturitiesOfLongTermDebtDetails": { "order": 4.0, "parentTag": "irm_LongtermDebtExcludingUnamortizedDiscountPremiumandDebtIssuanceCostsandCurrentMaturities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Long-term Debt, Maturities, Repayments of Principal in Year Four", "terseLabel": "2023" } } }, "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtMaturitiesOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree": { "auth_ref": [ "r168", "r293" ], "calculation": { "http://www.ironmountain.com/role/DebtMaturitiesOfLongTermDebtDetails": { "order": 3.0, "parentTag": "irm_LongtermDebtExcludingUnamortizedDiscountPremiumandDebtIssuanceCostsandCurrentMaturities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Long-term Debt, Maturities, Repayments of Principal in Year Three", "terseLabel": "2022" } } }, "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtMaturitiesOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo": { "auth_ref": [ "r168", "r293" ], "calculation": { "http://www.ironmountain.com/role/DebtMaturitiesOfLongTermDebtDetails": { "order": 2.0, "parentTag": "irm_LongtermDebtExcludingUnamortizedDiscountPremiumandDebtIssuanceCostsandCurrentMaturities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Long-term Debt, Maturities, Repayments of Principal in Year Two", "terseLabel": "2021" } } }, "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtMaturitiesOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtNoncurrent": { "auth_ref": [ "r72" ], "calculation": { "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails": { "order": 2.0, "parentTag": "us-gaap_LongTermDebt", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.", "label": "Long-term Debt, Excluding Current Maturities", "terseLabel": "Long-term debt, net of current portion" } } }, "localname": "LongTermDebtNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongtermDebtTypeAxis": { "auth_ref": [ "r72" ], "lang": { "en-US": { "role": { "documentation": "Information by type of long-term debt.", "label": "Long-term Debt, Type [Axis]", "terseLabel": "Long-term Debt, Type [Axis]" } } }, "localname": "LongtermDebtTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtAustralianDollarTermLoanDetails", "http://www.ironmountain.com/role/DebtCovenantRatiosDetails", "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails", "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails", "http://www.ironmountain.com/role/DebtRedemptionRatesDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails", "http://www.ironmountain.com/role/DebtUkBilateralRevolvingCreditFacilityDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesHedgeOfNetInvestmentDetailsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LongtermDebtTypeDomain": { "auth_ref": [ "r72", "r294" ], "lang": { "en-US": { "role": { "documentation": "Type of long-term debt arrangement, such as notes, line of credit, commercial paper, asset-based financing, project financing, letter of credit financing. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.", "label": "Long-term Debt, Type [Domain]", "terseLabel": "Long-term Debt, Type [Domain]" } } }, "localname": "LongtermDebtTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtAustralianDollarTermLoanDetails", "http://www.ironmountain.com/role/DebtCovenantRatiosDetails", "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails", "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails", "http://www.ironmountain.com/role/DebtRedemptionRatesDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails", "http://www.ironmountain.com/role/DebtUkBilateralRevolvingCreditFacilityDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesHedgeOfNetInvestmentDetailsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LongtermDebtWeightedAverageInterestRate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Weighted average interest rate of long-term debt outstanding calculated at point in time.", "label": "Long-term Debt, Weighted Average Interest Rate, at Point in Time", "terseLabel": "Weighted average interest rate (as a percent)" } } }, "localname": "LongtermDebtWeightedAverageInterestRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "percentItemType" }, "us-gaap_LossContingenciesByNatureOfContingencyAxis": { "auth_ref": [ "r281", "r282", "r283", "r285", "r286", "r287", "r289", "r291", "r292" ], "lang": { "en-US": { "role": { "documentation": "Information by type of existing condition, situation, or set of circumstances involving uncertainty as to possible loss to an enterprise that will ultimately be resolved when one or more future events occur or fail to occur.", "label": "Loss Contingency Nature [Axis]", "terseLabel": "Loss Contingency Nature [Axis]" } } }, "localname": "LossContingenciesByNatureOfContingencyAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LossContingenciesLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Loss Contingencies [Line Items]", "terseLabel": "Commitments and Contingencies" } } }, "localname": "LossContingenciesLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LossContingenciesTable": { "auth_ref": [ "r281", "r282", "r283", "r285", "r286", "r287", "r289", "r291", "r292" ], "lang": { "en-US": { "role": { "documentation": "Discloses the specific components (such as the nature, name, and date) of the loss contingency and gives an estimate of the possible loss or range of loss, or states that a reasonable estimate cannot be made. Excludes environmental contingencies, warranties and unconditional purchase obligations.", "label": "Loss Contingencies [Table]", "terseLabel": "Loss Contingencies [Table]" } } }, "localname": "LossContingenciesTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LossContingencyClaimsSettledNumber": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of claims settled.", "label": "Loss Contingency, Claims Settled, Number", "terseLabel": "Number of settled lawsuits" } } }, "localname": "LossContingencyClaimsSettledNumber", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails" ], "xbrltype": "integerItemType" }, "us-gaap_LossContingencyDamagesSoughtValue": { "auth_ref": [ "r281", "r284", "r288" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The value (monetary amount) of the award the plaintiff seeks in the legal matter.", "label": "Loss Contingency, Damages Sought, Value", "terseLabel": "Damages sought (Euros)" } } }, "localname": "LossContingencyDamagesSoughtValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LossContingencyNatureDomain": { "auth_ref": [ "r281", "r282", "r283", "r285", "r286", "r287", "r289", "r291", "r292" ], "lang": { "en-US": { "role": { "documentation": "An existing condition, situation, or set of circumstances involving uncertainty as to possible loss to an enterprise that will ultimately be resolved when one or more future events occur or fail to occur. Resolution of the uncertainty may confirm the incurrence of a loss or impairment of an asset or the incurrence of a liability.", "label": "Loss Contingency, Nature [Domain]", "terseLabel": "Loss Contingency, Nature [Domain]" } } }, "localname": "LossContingencyNatureDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LossContingencyNumberOfPlaintiffs": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of plaintiffs that have filed claims pertaining to a loss contingency.", "label": "Loss Contingency, Number of Plaintiffs", "terseLabel": "Number of customer lawsuits" } } }, "localname": "LossContingencyNumberOfPlaintiffs", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails" ], "xbrltype": "integerItemType" }, "us-gaap_LossContingencyPendingClaimsNumber": { "auth_ref": [ "r284" ], "lang": { "en-US": { "role": { "documentation": "Number of pending claims pertaining to a loss contingency.", "label": "Loss Contingency, Pending Claims, Number", "terseLabel": "Number of pending lawsuits" } } }, "localname": "LossContingencyPendingClaimsNumber", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails" ], "xbrltype": "integerItemType" }, "us-gaap_MinorityInterest": { "auth_ref": [ "r78", "r587", "r609" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).", "label": "Stockholders' Equity Attributable to Noncontrolling Interest", "terseLabel": "Noncontrolling Interests" } } }, "localname": "MinorityInterest", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders": { "auth_ref": [ "r319" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.", "label": "Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders", "negatedLabel": "Noncontrolling interests dividends" } } }, "localname": "MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_MinorityInterestDecreaseFromRedemptions": { "auth_ref": [ "r319", "r446", "r447" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests).", "label": "Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests", "negatedLabel": "Purchase of noncontrolling interests" } } }, "localname": "MinorityInterestDecreaseFromRedemptions", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_MinorityInterestOwnershipPercentageByParent": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The parent entity's interest in net assets of the subsidiary, expressed as a percentage.", "label": "Noncontrolling Interest, Ownership Percentage by Parent", "terseLabel": "Ownership percentage of subsidiaries" } } }, "localname": "MinorityInterestOwnershipPercentageByParent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsAdditionalInformationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_MoneyMarketFundsAtCarryingValue": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Investment in short-term money-market instruments (such as commercial paper, banker's acceptances, repurchase agreements, government securities, certificates of deposit, and so forth) which are highly liquid (that is, readily convertible to known amounts of cash) and so near their maturity that they present an insignificant risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify as cash equivalents by definition. Original maturity means an original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three-years ago does not become a cash equivalent when its remaining maturity is three months.", "label": "Money Market Funds, at Carrying Value", "terseLabel": "Money Market Funds", "verboseLabel": "Money market funds" } } }, "localname": "MoneyMarketFundsAtCarryingValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesConcentrationOfCreditRiskDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesFairValueMeasurementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_MortgagesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A loan to finance the purchase of real estate where the lender has a lien on the property as collateral for the loan.", "label": "Mortgages [Member]", "terseLabel": "Mortgages" } } }, "localname": "MortgagesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MovementInValuationAllowancesAndReservesRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]", "terseLabel": "SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]", "verboseLabel": "Roll forward of valuation allowance:" } } }, "localname": "MovementInValuationAllowancesAndReservesRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesRollforwardOfValuationAllowanceDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAllowanceForDoubtfulAccountsAndCreditMemoReservesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_NatureOfOperations": { "auth_ref": [ "r193", "r204" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for the nature of an entity's business, major products or services, principal markets including location, and the relative importance of its operations in each business and the basis for the determination, including but not limited to, assets, revenues, or earnings. For an entity that has not commenced principal operations, disclosures about the risks and uncertainties related to the activities in which the entity is currently engaged and an understanding of what those activities are being directed toward.", "label": "Nature of Operations [Text Block]", "terseLabel": "Nature of Business" } } }, "localname": "NatureOfOperations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/NatureOfBusiness" ], "xbrltype": "textBlockItemType" }, "us-gaap_NetCashProvidedByUsedInFinancingActivities": { "auth_ref": [ "r137" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.", "label": "Net Cash Provided by (Used in) Financing Activities", "totalLabel": "Cash Flows from Financing Activities" } } }, "localname": "NetCashProvidedByUsedInFinancingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Net Cash Provided by (Used in) Financing Activities [Abstract]", "terseLabel": "Cash Flows from Financing Activities:" } } }, "localname": "NetCashProvidedByUsedInFinancingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations": { "auth_ref": [ "r137" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.", "label": "Net Cash Provided by (Used in) Financing Activities, Continuing Operations", "totalLabel": "Cash Flows from Financing Activities-Continuing Operations" } } }, "localname": "NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInInvestingActivities": { "auth_ref": [ "r137" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.", "label": "Net Cash Provided by (Used in) Investing Activities", "totalLabel": "Cash Flows from Investing Activities" } } }, "localname": "NetCashProvidedByUsedInInvestingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Net Cash Provided by (Used in) Investing Activities [Abstract]", "terseLabel": "Cash Flows from Investing Activities:" } } }, "localname": "NetCashProvidedByUsedInInvestingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations": { "auth_ref": [ "r137" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.", "label": "Net Cash Provided by (Used in) Investing Activities, Continuing Operations", "totalLabel": "Cash Flows from Investing Activities-Continuing Operations" } } }, "localname": "NetCashProvidedByUsedInInvestingActivitiesContinuingOperations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInOperatingActivities": { "auth_ref": [ "r137", "r139", "r142" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.", "label": "Net Cash Provided by (Used in) Operating Activities", "totalLabel": "Cash Flows from Operating Activities" } } }, "localname": "NetCashProvidedByUsedInOperatingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Net Cash Provided by (Used in) Operating Activities [Abstract]", "terseLabel": "Cash Flows from Operating Activities:" } } }, "localname": "NetCashProvidedByUsedInOperatingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations": { "auth_ref": [ "r137", "r139", "r142" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.", "label": "Net Cash Provided by (Used in) Operating Activities, Continuing Operations", "terseLabel": "Cash Flows from Operating Activities - Continuing Operations", "totalLabel": "Cash Flows from Operating Activities-Continuing Operations" } } }, "localname": "NetCashProvidedByUsedInOperatingActivitiesContinuingOperations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetIncomeLossAttributableToNoncontrollingInterest": { "auth_ref": [ "r95", "r98", "r450", "r456" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic", "weight": -1.0 }, "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails": { "order": 2.0, "parentTag": "irm_IncomelossfromContinuingOperationsNetofTaxexcludingPortionAttributabletoNoncontrollingInterest", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of Net Income (Loss) attributable to noncontrolling interest.", "label": "Net Income (Loss) Attributable to Noncontrolling Interest", "terseLabel": "Less: Net income (loss) attributable to noncontrolling interests", "verboseLabel": "Less: Net Income (Loss) Attributable to Noncontrolling Interests" } } }, "localname": "NetIncomeLossAttributableToNoncontrollingInterest", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic": { "auth_ref": [ "r173", "r179" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.", "label": "Net Income (Loss) Available to Common Stockholders, Basic", "terseLabel": "Net income (loss) attributable to Iron Mountain Incorporated", "totalLabel": "Net Income (Loss) Attributable to Iron Mountain Incorporated" } } }, "localname": "NetIncomeLossAvailableToCommonStockholdersBasic", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest": { "auth_ref": [ "r306", "r450", "r451" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after income tax of income (loss) including the portion attributable to nonredeemable noncontrolling interest. Excludes the portion attributable to redeemable noncontrolling interest recognized as temporary equity.", "label": "Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest", "terseLabel": "Net income (loss)" } } }, "localname": "NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetInvestmentHedgingMember": { "auth_ref": [ "r465" ], "lang": { "en-US": { "role": { "documentation": "Hedges of a net investment in a foreign operation.", "label": "Net Investment Hedging [Member]", "terseLabel": "Net Investment Hedging" } } }, "localname": "NetInvestmentHedgingMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesHedgeOfNetInvestmentDetailsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetInvestmentHedgesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact.", "label": "New Accounting Pronouncements, Policy [Policy Text Block]", "terseLabel": "New Accounting Pronouncements" } } }, "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance": { "auth_ref": [ "r320", "r446", "r452" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in noncontrolling interest from subsidiary issuance of equity interests to noncontrolling interest holders.", "label": "Noncontrolling Interest, Increase from Subsidiary Equity Issuance", "terseLabel": "Noncontrolling interests equity contributions" } } }, "localname": "NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_NoncontrollingInterestMember": { "auth_ref": [ "r441" ], "lang": { "en-US": { "role": { "documentation": "This element represents that portion of equity (net assets) in a subsidiary not attributable, directly or indirectly, to the parent. A noncontrolling interest is sometimes called a minority interest.", "label": "Noncontrolling Interest [Member]", "terseLabel": "Noncontrolling Interests" } } }, "localname": "NoncontrollingInterestMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity" ], "xbrltype": "domainItemType" }, "us-gaap_NoncurrentAssets": { "auth_ref": [ "r221" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.", "label": "Long-Lived Assets", "terseLabel": "Long-Lived Assets" } } }, "localname": "NoncurrentAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SegmentInformationRevenueAndAssetInformationByGeographyAndServiceLineDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_NondesignatedMember": { "auth_ref": [ "r466" ], "lang": { "en-US": { "role": { "documentation": "Derivative instrument not designated as hedging instrument under Generally Accepted Accounting Principles (GAAP).", "label": "Not Designated as Hedging Instrument [Member]", "terseLabel": "Derivatives Not Designated as Hedging Instruments", "verboseLabel": "Not Designated as Hedging Instrument" } } }, "localname": "NondesignatedMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesAmountOfGainsLossesInIncomeOnDerivativesDetailsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesForwardCurrencyContractsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_NotesPayableRelatedPartiesNoncurrent": { "auth_ref": [ "r73", "r164", "r550" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The amount for notes payable (written promise to pay), payable to related parties, which are due after one year (or one business cycle).", "label": "Notes Payable, Related Parties, Noncurrent", "terseLabel": "Long-term Notes Payable to Affiliates and Intercompany Payable" } } }, "localname": "NotesPayableRelatedPartiesNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_NumberOfBusinessesAcquired": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of businesses acquired by the entity during the period.", "label": "Number of Businesses Acquired", "terseLabel": "Number of companies acquired" } } }, "localname": "NumberOfBusinessesAcquired", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails" ], "xbrltype": "integerItemType" }, "us-gaap_NumberOfOperatingSegments": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.", "label": "Number of Operating Segments", "terseLabel": "Number of operating segments" } } }, "localname": "NumberOfOperatingSegments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SegmentInformationAdditionalInformationDetails" ], "xbrltype": "integerItemType" }, "us-gaap_NumberOfReportingUnits": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.", "label": "Number of Reporting Units", "terseLabel": "Number of reporting units" } } }, "localname": "NumberOfReportingUnits", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesGoodwillAndOtherIndefiniteLivedIntangibleAssetsDetails" ], "xbrltype": "integerItemType" }, "us-gaap_OperatingIncomeLoss": { "auth_ref": [], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "irm_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsMinorityInterestAndGainLossOnDispositionOfRealEstate", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The net result for the period of deducting operating expenses from operating revenues.", "label": "Operating Income (Loss)", "netLabel": "Operating Income (Loss)", "terseLabel": "Operating income (loss)", "totalLabel": "Operating (Loss) Income" } } }, "localname": "OperatingIncomeLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfEffectOfChangesInPresentationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseCost": { "auth_ref": [ "r536", "r545" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.", "label": "Operating Lease, Cost", "terseLabel": "Operating lease cost" } } }, "localname": "OperatingLeaseCost", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesCostsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseExpense": { "auth_ref": [ "r528" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of operating lease expense. Excludes sublease income.", "label": "Operating Lease, Expense", "terseLabel": "Rent expense" } } }, "localname": "OperatingLeaseExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseLeaseIncome": { "auth_ref": [ "r191", "r546", "r547" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails": { "order": 1.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.", "label": "Operating Lease, Lease Income", "terseLabel": "Storage rental", "verboseLabel": "Storage rental revenue" } } }, "localname": "OperatingLeaseLeaseIncome", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseLiability": { "auth_ref": [ "r526" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease.", "label": "Operating Lease, Liability", "terseLabel": "Present value of lease obligations" } } }, "localname": "OperatingLeaseLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseLiabilityCurrent": { "auth_ref": [ "r526" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPrepaidExpensesAndAccruedExpensesDetails": { "order": 6.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 }, "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails": { "order": 1.0, "parentTag": "irm_LeaseLiabilityCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.", "label": "Operating Lease, Liability, Current", "terseLabel": "Operating lease liabilities", "verboseLabel": "Operating lease liabilities" } } }, "localname": "OperatingLeaseLiabilityCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPrepaidExpensesAndAccruedExpensesDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseLiabilityNoncurrent": { "auth_ref": [ "r526" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 9.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 }, "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails": { "order": 1.0, "parentTag": "irm_LeaseLiabilityNoncurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.", "label": "Operating Lease, Liability, Noncurrent", "negatedNetLabel": "Operating Lease Liabilities", "netLabel": "Long-Term Operating Lease Liabilities, Net of Current Portion", "terseLabel": "Long-term Operating Lease Liabilities, net of current portion (see Note 2.m.)", "verboseLabel": "Operating lease liabilities" } } }, "localname": "OperatingLeaseLiabilityNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails", "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasePayments": { "auth_ref": [ "r531", "r540" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.", "label": "Operating Lease, Payments", "terseLabel": "Operating cash flows used in operating leases" } } }, "localname": "OperatingLeasePayments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseRightOfUseAsset": { "auth_ref": [ "r525" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "irm_AssetsNoncurrentExcludingPropertyPlantAndEquipmentNet", "weight": 1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails": { "order": 5.0, "parentTag": "irm_AssetsNoncurrentExcludingPropertyPlantAndEquipmentNet", "weight": 1.0 }, "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails": { "order": 1.0, "parentTag": "irm_LeaseRightofUseAsset", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's right to use underlying asset under operating lease.", "label": "Operating Lease, Right-of-Use Asset", "netLabel": "Operating lease right-of-use assets", "terseLabel": "Operating lease right-of-use assets", "verboseLabel": "Operating lease right-of-use assets (see Note 2.m.)" } } }, "localname": "OperatingLeaseRightOfUseAsset", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails", "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesSupplementalBalanceSheetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent": { "auth_ref": [ "r542", "r545" ], "lang": { "en-US": { "role": { "documentation": "Weighted average discount rate for operating lease calculated at point in time.", "label": "Operating Lease, Weighted Average Discount Rate, Percent", "terseLabel": "Operating leases, Discount Rate" } } }, "localname": "OperatingLeaseWeightedAverageDiscountRatePercent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesCostsDetails" ], "xbrltype": "percentItemType" }, "us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1": { "auth_ref": [ "r541", "r545" ], "lang": { "en-US": { "role": { "documentation": "Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Operating Lease, Weighted Average Remaining Lease Term", "terseLabel": "Operating leases, Remaining Lease Term" } } }, "localname": "OperatingLeaseWeightedAverageRemainingLeaseTerm1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesCostsDetails" ], "xbrltype": "durationItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDue": { "auth_ref": [ "r517", "r519" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.", "label": "Operating Leases, Future Minimum Payments Due", "totalLabel": "Total minimum lease payments" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]", "terseLabel": "Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent": { "auth_ref": [ "r517", "r519" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 1.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments Due, Next Twelve Months", "terseLabel": "2019" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals": { "auth_ref": [ "r520" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Contractually required future rental payments receivable on noncancelable subleasing arrangements.", "label": "Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals", "negatedTotalLabel": "Total minimum lease payments" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears": { "auth_ref": [ "r517", "r519" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 5.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Due in Five Years", "terseLabel": "2023" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueInFiveYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears": { "auth_ref": [ "r517", "r519" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 4.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Due in Four Years", "terseLabel": "2022" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueInFourYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears": { "auth_ref": [ "r517", "r519" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 3.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Due in Three Years", "terseLabel": "2021" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueInThreeYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears": { "auth_ref": [ "r517", "r519" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 2.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Due in Two Years", "terseLabel": "2020" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueInTwoYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter": { "auth_ref": [ "r517", "r519" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails": { "order": 6.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Due Thereafter", "terseLabel": "Thereafter" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueThereafter", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesEstimatedFutureLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent": { "auth_ref": [ "r522" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Future rental payments receivable within one year of the balance sheet date under an operating lease.", "label": "Operating Leases, Future Minimum Payments Receivable, Current", "terseLabel": "2020" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsReceivableCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueDataCenterDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears": { "auth_ref": [ "r522" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Future rental payments receivable within the fifth year from the balance sheet date under an operating lease.", "label": "Operating Leases, Future Minimum Payments Receivable, in Five Years", "terseLabel": "2024" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueDataCenterDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears": { "auth_ref": [ "r522" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Future rental payments receivable within the fourth year from the balance sheet date under an operating lease.", "label": "Operating Leases, Future Minimum Payments Receivable, in Four Years", "terseLabel": "2023" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsReceivableInFourYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueDataCenterDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears": { "auth_ref": [ "r522" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Future rental payments receivable within the third year from the balance sheet date under an operating lease.", "label": "Operating Leases, Future Minimum Payments Receivable, in Three Years", "terseLabel": "2022" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueDataCenterDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears": { "auth_ref": [ "r522" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Future rental payments receivable within the second year from the balance sheet date under an operating lease.", "label": "Operating Leases, Future Minimum Payments Receivable, in Two Years", "terseLabel": "2021" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueDataCenterDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesRentExpenseNet": { "auth_ref": [ "r518" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.", "label": "Operating Leases, Rent Expense, Net", "terseLabel": "Operating lease rent expense" } } }, "localname": "OperatingLeasesRentExpenseNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLossCarryforwards": { "auth_ref": [ "r403" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.", "label": "Operating Loss Carryforwards", "terseLabel": "Net operating loss carryforwards, before tax effect" } } }, "localname": "OperatingLossCarryforwards", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLossCarryforwardsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Operating Loss Carryforwards [Line Items]", "terseLabel": "Tax carryforwards" } } }, "localname": "OperatingLossCarryforwardsLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails", "http://www.ironmountain.com/role/IncomeTaxesRollforwardOfValuationAllowanceDetails" ], "xbrltype": "stringItemType" }, "us-gaap_OperatingLossCarryforwardsTable": { "auth_ref": [ "r404" ], "lang": { "en-US": { "role": { "documentation": "Schedule reflecting pertinent information, such as tax authority, amounts, and expiration dates, of net operating loss carryforwards, including an assessment of the likelihood of utilization.", "label": "Operating Loss Carryforwards [Table]", "terseLabel": "Operating Loss Carryforwards [Table]" } } }, "localname": "OperatingLossCarryforwardsTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails", "http://www.ironmountain.com/role/IncomeTaxesRollforwardOfValuationAllowanceDetails" ], "xbrltype": "stringItemType" }, "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Organization, Consolidation and Presentation of Financial Statements [Abstract]" } } }, "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_OtherAccruedLiabilitiesCurrent": { "auth_ref": [ "r33", "r34", "r35", "r69" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPrepaidExpensesAndAccruedExpensesDetails": { "order": 4.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.", "label": "Other Accrued Liabilities, Current", "terseLabel": "Other" } } }, "localname": "OtherAccruedLiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPrepaidExpensesAndAccruedExpensesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherAssetsMember": { "auth_ref": [ "r468", "r485" ], "lang": { "en-US": { "role": { "documentation": "Primary financial statement caption encompassing other assets.", "label": "Other Assets [Member]", "terseLabel": "Other Assets" } } }, "localname": "OtherAssetsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_OtherAssetsNoncurrent": { "auth_ref": [ "r65" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "irm_AssetsNoncurrentExcludingPropertyPlantAndEquipmentNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of noncurrent assets classified as other.", "label": "Other Assets, Noncurrent", "terseLabel": "Other" } } }, "localname": "OtherAssetsNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent": { "auth_ref": [ "r443", "r444", "r453" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails": { "order": 1.0, "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity.", "label": "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent", "terseLabel": "Foreign currency translation adjustment", "verboseLabel": "Cumulative net gains" } } }, "localname": "OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesHedgeOfNetInvestmentDetailsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax": { "auth_ref": [ "r86", "r88" ], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails": { "order": 2.0, "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.", "label": "Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax", "negatedLabel": "Unrealized losses", "terseLabel": "Change in Fair Value of Derivative Instruments", "verboseLabel": "Change in fair value of derivative instruments" } } }, "localname": "OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss", "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesInterestRateSwapAgreementsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent": { "auth_ref": [ "r88" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails": { "order": 2.0, "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness, attributable to parent.", "label": "Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent", "terseLabel": "Change in fair value of derivative instruments" } } }, "localname": "OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax": { "auth_ref": [ "r84", "r508" ], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails": { "order": 1.0, "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.", "label": "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax", "terseLabel": "Foreign Currency Translation Adjustment" } } }, "localname": "OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax": { "auth_ref": [ "r88", "r91", "r92", "r93", "r509" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of reclassification adjustment from accumulated other comprehensive income for translation gain (loss) realized upon the sale or liquidation of an investment in a foreign entity and foreign currency hedges that are designated and qualified as hedging instruments for hedges of the foreign currency exposure of a net investment in a foreign operation.", "label": "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax", "verboseLabel": "Cumulative translation adjustment" } } }, "localname": "OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossNetOfTax": { "auth_ref": [ "r96", "r99", "r102", "r312" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss": { "order": 2.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest", "weight": 1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax and reclassification adjustments of other comprehensive income (loss).", "label": "Other Comprehensive Income (Loss), Net of Tax", "totalLabel": "Total Other Comprehensive Income (Loss)" } } }, "localname": "OtherComprehensiveIncomeLossNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Other Comprehensive Income (Loss), Net of Tax [Abstract]", "netLabel": "Other comprehensive (loss) income:", "terseLabel": "Other Comprehensive Income (Loss):", "verboseLabel": "Other Comprehensive Income (Loss):" } } }, "localname": "OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent": { "auth_ref": [ "r96", "r99", "r443", "r444", "r453" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of other comprehensive income (loss) attributable to parent entity.", "label": "Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent", "totalLabel": "Total other comprehensive (loss) income" } } }, "localname": "OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherIntangibleAssetsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Intangible assets classified as other.", "label": "Other Intangible Assets [Member]", "terseLabel": "Other Intangible Assets" } } }, "localname": "OtherIntangibleAssetsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_OtherLiabilitiesCurrent": { "auth_ref": [ "r32", "r33", "r69" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.", "label": "Other Liabilities, Current", "terseLabel": "Total Other Current Liabilities (includes current portion of operating lease liabilities)" } } }, "localname": "OtherLiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherLiabilitiesNoncurrent": { "auth_ref": [ "r74" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.", "label": "Other Liabilities, Noncurrent", "terseLabel": "Other Long-term Liabilities" } } }, "localname": "OtherLiabilitiesNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherNoncurrentLiabilitiesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Primary financial statement caption encompassing other noncurrent liabilities.", "label": "Other Noncurrent Liabilities [Member]", "terseLabel": "Other Noncurrent Liabilities" } } }, "localname": "OtherNoncurrentLiabilitiesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesInterestRateSwapAgreementsDetails", "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetInvestmentHedgesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_OtherNonoperatingIncomeExpense": { "auth_ref": [ "r118" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations": { "order": 3.0, "parentTag": "irm_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsMinorityInterestAndGainLossOnDispositionOfRealEstate", "weight": 1.0 }, "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesOtherExpenseIncomeNetDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of income (expense) related to nonoperating activities, classified as other.", "label": "Other Nonoperating Income (Expense)", "negatedLabel": "Other Expense (Income), Net", "negatedTerseLabel": "Other Expense (Income), Net", "negatedTotalLabel": "Other Expense (Income), Net" } } }, "localname": "OtherNonoperatingIncomeExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/SegmentInformationReconciliationOfAdjustedEbitdaToIncomeLossFromContinuingOperationsDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesOtherExpenseIncomeNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OverAllotmentOptionMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Right given to the underwriter to sell additional shares over the initial allotment.", "label": "Over-Allotment Option [Member]", "terseLabel": "Over-Allotment Option" } } }, "localname": "OverAllotmentOptionMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity", "http://www.ironmountain.com/role/StockholdersEquityMattersAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PaymentOfFinancingAndStockIssuanceCosts": { "auth_ref": [ "r132" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 10.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": -1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": 8.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The total of the cash outflow during the period which has been paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt and the cost incurred directly for the issuance of equity securities.", "label": "Payment of Financing and Stock Issuance Costs", "negatedTerseLabel": "Payment of debt financing and stock issuance costs and other" } } }, "localname": "PaymentOfFinancingAndStockIssuanceCosts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsForPreviousAcquisition": { "auth_ref": [ "r126" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Cash outflow representing an adjustment to the purchase price of a previous acquisition.", "label": "Payments for Previous Acquisition", "terseLabel": "Cash paid for previous acquisition" } } }, "localname": "PaymentsForPreviousAcquisition", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsOfDividends": { "auth_ref": [ "r130" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.", "label": "Payments of Dividends", "terseLabel": "Cash dividends paid" } } }, "localname": "PaymentsOfDividends", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsOfDividendsCommonStock": { "auth_ref": [ "r130" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 7.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": -1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": 6.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.", "label": "Payments of Ordinary Dividends, Common Stock", "negatedLabel": "Parent cash dividends", "negatedTerseLabel": "Parent cash dividends" } } }, "localname": "PaymentsOfDividendsCommonStock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsOfStockIssuanceCosts": { "auth_ref": [ "r132" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow for cost incurred directly with the issuance of an equity security.", "label": "Payments of Stock Issuance Costs", "terseLabel": "Payment of stock trading commission costs" } } }, "localname": "PaymentsOfStockIssuanceCosts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/StockholdersEquityMattersAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliates": { "auth_ref": [ "r124" ], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": 9.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow associated with the acquisition of a controlling interest in another entity or an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment).", "label": "Payments to Acquire Businesses and Interest in Affiliates", "negatedTerseLabel": "Investment in subsidiaries" } } }, "localname": "PaymentsToAcquireBusinessesAndInterestInAffiliates", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquireBusinessesGross": { "auth_ref": [ "r124", "r436" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.", "label": "Payments to Acquire Businesses, Gross", "terseLabel": "Cash consideration", "verboseLabel": "Cash Paid (gross of cash acquired)" } } }, "localname": "PaymentsToAcquireBusinessesGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails", "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails", "http://www.ironmountain.com/role/SubsequentEventsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired": { "auth_ref": [ "r124" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations", "weight": -1.0 }, "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails": { "order": 2.0, "parentTag": "us-gaap_PaymentsToAcquireProductiveAssets", "weight": 1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.", "label": "Payments to Acquire Businesses, Net of Cash Acquired", "negatedLabel": "Cash paid for acquisitions, net of cash acquired", "negatedTerseLabel": "Cash paid for acquisitions, net of cash acquired (see Note 6)", "terseLabel": "Cash Paid for Acquisitions, Net of Cash Acquired" } } }, "localname": "PaymentsToAcquireBusinessesNetOfCashAcquired", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquireIntangibleAssets": { "auth_ref": [ "r125" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill.", "label": "Payments to Acquire Intangible Assets", "negatedTerseLabel": "Acquisition of customer relationships" } } }, "localname": "PaymentsToAcquireIntangibleAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquireInterestInJointVenture": { "auth_ref": [ "r124" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 7.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations", "weight": -1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": 8.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group.", "label": "Payments to Acquire Interest in Joint Venture", "negatedLabel": "Investment in joint ventures", "negatedTerseLabel": "Investments in Joint Ventures (see Note 13)", "verboseLabel": "Investments in joint ventures" } } }, "localname": "PaymentsToAcquireInterestInJointVenture", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquireProductiveAssets": { "auth_ref": [ "r125" ], "calculation": { "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.", "label": "Payments to Acquire Productive Assets", "totalLabel": "Expenditures for Segment Assets" } } }, "localname": "PaymentsToAcquireProductiveAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquirePropertyPlantAndEquipment": { "auth_ref": [ "r125" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations", "weight": -1.0 }, "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails": { "order": 1.0, "parentTag": "us-gaap_PaymentsToAcquireProductiveAssets", "weight": 1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.", "label": "Payments to Acquire Property, Plant, and Equipment", "negatedLabel": "Capital expenditures", "negatedTerseLabel": "Capital expenditures", "terseLabel": "Capital Expenditures" } } }, "localname": "PaymentsToAcquirePropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToMinorityShareholders": { "auth_ref": [ "r132" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 6.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": -1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": 14.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest.", "label": "Payments to Noncontrolling Interests", "negatedLabel": "Debt repayment and equity distribution to noncontrolling interests", "negatedTerseLabel": "Debt (repayment to) financing from and equity (distribution to) contribution from noncontrolling interests, net" } } }, "localname": "PaymentsToMinorityShareholders", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PerformanceSharesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Share-based payment arrangement awarded for meeting performance target.", "label": "Performance Shares [Member]", "terseLabel": "Performance Shares" } } }, "localname": "PerformanceSharesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PlanNameAxis": { "auth_ref": [ "r340", "r371" ], "lang": { "en-US": { "role": { "documentation": "Information by plan name for share-based payment arrangement.", "label": "Plan Name [Axis]", "terseLabel": "Plan Name [Axis]" } } }, "localname": "PlanNameAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PlanNameDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Plan name for share-based payment arrangement.", "label": "Plan Name [Domain]", "terseLabel": "Plan Name [Domain]" } } }, "localname": "PlanNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PortionAtFairValueFairValueDisclosureMember": { "auth_ref": [ "r498" ], "lang": { "en-US": { "role": { "documentation": "Measured at fair value for financial reporting purposes.", "label": "Portion at Fair Value Measurement [Member]", "terseLabel": "Portion at Fair Value Measurement [Member]" } } }, "localname": "PortionAtFairValueFairValueDisclosureMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesFairValueMeasurementsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PositionAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by position taken for a security.", "label": "Position [Axis]", "terseLabel": "Position [Axis]" } } }, "localname": "PositionAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesForwardCurrencyContractsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PositionDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicates position taken for a security.", "label": "Position [Domain]", "terseLabel": "Position [Domain]" } } }, "localname": "PositionDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesForwardCurrencyContractsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PreferredStockParOrStatedValuePerShare": { "auth_ref": [ "r47" ], "lang": { "en-US": { "role": { "documentation": "Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.", "label": "Preferred Stock, Par or Stated Value Per Share", "terseLabel": "Preferred stock, par value (in dollars per share)" } } }, "localname": "PreferredStockParOrStatedValuePerShare", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "perShareItemType" }, "us-gaap_PreferredStockSharesAuthorized": { "auth_ref": [ "r47" ], "lang": { "en-US": { "role": { "documentation": "The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.", "label": "Preferred Stock, Shares Authorized", "terseLabel": "Preferred stock, authorized shares" } } }, "localname": "PreferredStockSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockSharesIssued": { "auth_ref": [ "r47" ], "lang": { "en-US": { "role": { "documentation": "Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.", "label": "Preferred Stock, Shares Issued", "terseLabel": "Preferred stock, issued shares" } } }, "localname": "PreferredStockSharesIssued", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockSharesOutstanding": { "auth_ref": [ "r47" ], "lang": { "en-US": { "role": { "documentation": "Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.", "label": "Preferred Stock, Shares Outstanding", "terseLabel": "Preferred stock, outstanding shares" } } }, "localname": "PreferredStockSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockValue": { "auth_ref": [ "r47" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.", "label": "Preferred Stock, Value, Issued", "verboseLabel": "Preferred stock (par value $0.01; authorized 10,000,000 shares; none issued and outstanding)" } } }, "localname": "PreferredStockValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_PrepaidExpenseAndOtherAssetsCurrent": { "auth_ref": [ "r30", "r57", "r58" ], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails": { "order": 4.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.", "label": "Prepaid Expense and Other Assets, Current", "terseLabel": "Prepaid expenses and other" } } }, "localname": "PrepaidExpenseAndOtherAssetsCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Primary financial statement caption encompassing prepaid expenses and other current assets.", "label": "Prepaid Expenses and Other Current Assets [Member]", "terseLabel": "Prepaid expenses and other" } } }, "localname": "PrepaidExpensesAndOtherCurrentAssetsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesForwardCurrencyContractsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ProceedsFromCollectionOfLongtermLoansToRelatedParties": { "auth_ref": [ "r120", "r549" ], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": 6.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow associated with collection, whether partial or full, of long-term loans to a related party. Alternate caption: Proceeds from Advances to Affiliates.", "label": "Proceeds from Collection of Long-term Loans to Related Parties", "terseLabel": "Intercompany loans to subsidiaries" } } }, "localname": "ProceedsFromCollectionOfLongtermLoansToRelatedParties", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromContributionsFromParent": { "auth_ref": [ "r129" ], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": 12.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow from parent as a source of financing that is recorded as additional paid in capital.", "label": "Proceeds from Contributions from Parent", "terseLabel": "Equity contribution from parent" } } }, "localname": "ProceedsFromContributionsFromParent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromDivestitureOfBusinesses": { "auth_ref": [ "r121" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 6.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations", "weight": 1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": 5.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.", "label": "Proceeds from Divestiture of Businesses", "netLabel": "Net proceeds from Divestments", "terseLabel": "Net proceeds from divestments (see Note 13)", "verboseLabel": "Net proceeds from divestments" } } }, "localname": "ProceedsFromDivestitureOfBusinesses", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromInsuranceSettlementOperatingActivities": { "auth_ref": [ "r133", "r136" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow for proceeds from settlement of insurance claim, classified as operating activities. Excludes insurance settlement classified as investing activities.", "label": "Proceeds from Insurance Settlement, Operating Activities", "terseLabel": "Insurance proceeds received" } } }, "localname": "ProceedsFromInsuranceSettlementOperatingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromIssuanceOfCommonStock": { "auth_ref": [ "r127" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 9.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": 1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": 10.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow from the additional capital contribution to the entity.", "label": "Proceeds from Issuance of Common Stock", "terseLabel": "Net proceeds associated with the At The Market (ATM) Program", "verboseLabel": "Sale of stock consideration received on transaction, gross" } } }, "localname": "ProceedsFromIssuanceOfCommonStock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails", "http://www.ironmountain.com/role/StockholdersEquityMattersAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromIssuanceOfDebt": { "auth_ref": [ "r128" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.", "label": "Proceeds from Issuance of Debt", "terseLabel": "Proceeds from issuance of debt" } } }, "localname": "ProceedsFromIssuanceOfDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt": { "auth_ref": [ "r128" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": 1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).", "label": "Proceeds from Issuance of Senior Long-term Debt", "terseLabel": "Net proceeds from sales of senior notes" } } }, "localname": "ProceedsFromIssuanceOfSeniorLongTermDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/DebtAustralianDollarTermLoanDetails", "http://www.ironmountain.com/role/DebtNotesIssuedUnderIndenturesNarrativeDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromLinesOfCredit": { "auth_ref": [ "r128", "r160" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.", "label": "Proceeds from Lines of Credit", "terseLabel": "Proceeds from lines of credit" } } }, "localname": "ProceedsFromLinesOfCredit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtUkBilateralRevolvingCreditFacilityDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromMinorityShareholders": { "auth_ref": [ "r129" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 5.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": 1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": 15.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership.", "label": "Proceeds from Noncontrolling Interests", "terseLabel": "Debt financing and equity contribution from noncontrolling interests" } } }, "localname": "ProceedsFromMinorityShareholders", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties": { "auth_ref": [ "r167" ], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": 7.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow or outflow associated with long-term loans for related parties where one party can exercise control or significant influence over another party, including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from (Payments for) Advances to Affiliates.", "label": "Proceeds from Collection of (Payments to Fund) Long-term Loans to Related Parties", "terseLabel": "Intercompany loans to subsidiaries" } } }, "localname": "ProceedsFromPaymentsForLongTermLoansForRelatedParties", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromPaymentsToMinorityShareholders": { "auth_ref": [ "r167" ], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": 13.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow (outflow) from (to) a noncontrolling interest. Excludes dividends paid to the noncontrolling interest.", "label": "Proceeds from (Payments to) Noncontrolling Interests", "terseLabel": "Debt (repayment to) financing from and equity (distribution to) contribution from noncontrolling interests, net" } } }, "localname": "ProceedsFromPaymentsToMinorityShareholders", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromPreviousAcquisition": { "auth_ref": [ "r123" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Cash inflow representing an adjustment to the purchase price of a previous acquisition.", "label": "Proceeds from Previous Acquisition", "netLabel": "Cash received related to certain acquisitions" } } }, "localname": "ProceedsFromPreviousAcquisition", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromSaleOfProductiveAssets": { "auth_ref": [ "r122" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 8.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations", "weight": 1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets.", "label": "Proceeds from Sale of Productive Assets", "terseLabel": "Proceeds from sales of property and equipment and other, net (including real estate) and proceeds from involuntary conversion of property and equipment" } } }, "localname": "ProceedsFromSaleOfProductiveAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromStockPlans": { "auth_ref": [ "r127" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 12.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": 1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails": { "order": 7.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow associated with the amount received from the stock plan during the period.", "label": "Proceeds from Stock Plans", "terseLabel": "Net proceeds (payments) associated with employee stock-based awards" } } }, "localname": "ProceedsFromStockPlans", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfCashFlowsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProfitLoss": { "auth_ref": [ "r95", "r98", "r135", "r213", "r219", "r443", "r449", "r451", "r456", "r457" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations", "weight": 1.0 }, "http://www.ironmountain.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss": { "order": 1.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest", "weight": 1.0 }, "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.", "label": "Net Income (Loss), Including Portion Attributable to Noncontrolling Interest", "terseLabel": "Net Income (Loss)", "totalLabel": "Net Income (Loss)", "verboseLabel": "Net Income (Loss)" } } }, "localname": "ProfitLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows", "http://www.ironmountain.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss", "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity", "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentByTypeAxis": { "auth_ref": [ "r64", "r262" ], "lang": { "en-US": { "role": { "documentation": "Information by type of long-lived, physical assets used to produce goods and services and not intended for resale.", "label": "Property, Plant and Equipment, Type [Axis]", "terseLabel": "Property, Plant and Equipment, Type [Axis]" } } }, "localname": "PropertyPlantAndEquipmentByTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentGross": { "auth_ref": [ "r63", "r260" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_PropertyPlantAndEquipmentNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.", "label": "Property, Plant and Equipment, Gross", "terseLabel": "Property, plant and equipment", "verboseLabel": "Property, plant and equipment, stated at cost" } } }, "localname": "PropertyPlantAndEquipmentGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Property, Plant and Equipment [Line Items]", "terseLabel": "Property, Plant and Equipment [Line Items]" } } }, "localname": "PropertyPlantAndEquipmentLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentNet": { "auth_ref": [ "r38", "r39", "r262", "r611" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.", "label": "Property, Plant and Equipment, Net", "terseLabel": "Property, Plant and Equipment, Net", "totalLabel": "Property, Plant and Equipment, net" } } }, "localname": "PropertyPlantAndEquipmentNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentNetAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Property, Plant and Equipment, Net [Abstract]", "terseLabel": "Property, Plant and Equipment:" } } }, "localname": "PropertyPlantAndEquipmentNetAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentPolicyTextBlock": { "auth_ref": [ "r62", "r151", "r262" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, basis of assets, depreciation and depletion methods used, including composite deprecation, estimated useful lives, capitalization policy, accounting treatment for costs incurred for repairs and maintenance, capitalized interest and the method it is calculated, disposals and impairments.", "label": "Property, Plant and Equipment, Policy [Policy Text Block]", "verboseLabel": "Property, Plant and Equipment" } } }, "localname": "PropertyPlantAndEquipmentPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_PropertyPlantAndEquipmentTextBlock": { "auth_ref": [ "r38", "r262" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.", "label": "Property, Plant and Equipment [Table Text Block]", "terseLabel": "Property, Plant and Equipment at cost" } } }, "localname": "PropertyPlantAndEquipmentTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_PropertyPlantAndEquipmentTypeDomain": { "auth_ref": [ "r38", "r260" ], "lang": { "en-US": { "role": { "documentation": "Listing of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.", "label": "Property, Plant and Equipment, Type [Domain]", "terseLabel": "Property, Plant and Equipment, Type [Domain]" } } }, "localname": "PropertyPlantAndEquipmentTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PropertyPlantAndEquipmentUsefulLife": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.", "label": "Property, Plant and Equipment, Useful Life", "terseLabel": "Useful life" } } }, "localname": "PropertyPlantAndEquipmentUsefulLife", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails" ], "xbrltype": "durationItemType" }, "us-gaap_QuantifyingMisstatementInCurrentYearFinancialStatementsAmount": { "auth_ref": [ "r177" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of each individual error being corrected in the correcting adjustment.", "label": "Quantifying Misstatement in Current Year Financial Statements, Amount", "terseLabel": "Immaterial misstatement" } } }, "localname": "QuantifyingMisstatementInCurrentYearFinancialStatementsAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_QuarterlyFinancialInformationDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Quarterly Financial Information Disclosure [Abstract]" } } }, "localname": "QuarterlyFinancialInformationDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_QuarterlyFinancialInformationTextBlock": { "auth_ref": [ "r192" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information.", "label": "Quarterly Financial Information [Text Block]", "terseLabel": "Quarterly Results of Operations (Unaudited)" } } }, "localname": "QuarterlyFinancialInformationTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnaudited" ], "xbrltype": "textBlockItemType" }, "us-gaap_RealEstateAccumulatedDepreciation": { "auth_ref": [ "r632" ], "calculation": { "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails": { "order": 1.0, "parentTag": "us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of accumulated depreciation pertaining to real estate investments for entities with a substantial portion of business acquiring and holding investment real estate.", "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation", "periodEndLabel": "Gross amount of end of period", "periodStartLabel": "Gross amount of accumulation depreciation at beginning of year:", "verboseLabel": "Accumulated Depreciation of Real Estate Assets, As Reported on Schedule III" } } }, "localname": "RealEstateAccumulatedDepreciation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails", "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RealEstateAccumulatedDepreciationOtherAdditions": { "auth_ref": [ "r635" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of other additions to accumulated depreciation other than depreciation expense for entities with a substantial portion of business acquiring and holding investment real estate.", "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Other Addition", "terseLabel": "Other adjustments" } } }, "localname": "RealEstateAccumulatedDepreciationOtherAdditions", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RealEstateAccumulatedDepreciationRealEstateSold": { "auth_ref": [ "r635" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of decrease to accumulated depreciation for real estate investments sold for entities with a substantial portion of business acquiring and holding investment real estate.", "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Investment in Real Estate Sold", "negatedTerseLabel": "Amount of accumulated depreciation for real estate assets sold, disposed or written-down" } } }, "localname": "RealEstateAccumulatedDepreciationRealEstateSold", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts": { "auth_ref": [ "r630" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cost capitalized subsequent to acquisition for real estate investment property, including, but not limited to, real estate tax and insurance, by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate. Excludes initial purchase price and improvement, and real estate not held as investment or interest.", "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost", "terseLabel": "Cost capitalized subsequent to acquisition" } } }, "localname": "RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RealEstateAndAccumulatedDepreciationLifeUsedForDepreciation1": { "auth_ref": [ "r633" ], "lang": { "en-US": { "role": { "documentation": "Useful life on which depreciation was computed for entities with a substantial portion of business acquiring and holding investment real estate, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation", "verboseLabel": "Life on which depreciation in latest income statement is computed" } } }, "localname": "RealEstateAndAccumulatedDepreciationLifeUsedForDepreciation1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "durationItemType" }, "us-gaap_RealEstateCostOfRealEstateSold": { "auth_ref": [ "r635" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of real estate investments sold for entities with a substantial portion of business acquiring and holding investment real estate.", "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Cost of Investment in Real Estate Sold", "negatedTerseLabel": "Cost of real estate sold, disposed or written-down" } } }, "localname": "RealEstateCostOfRealEstateSold", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RealEstateGrossAtCarryingValue": { "auth_ref": [ "r631" ], "calculation": { "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails": { "order": 2.0, "parentTag": "irm_RealEstateGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, before accumulated depreciation, of real estate investment by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate. Excludes real estate not held as investment or interest.", "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross", "periodEndLabel": "Gross amount at end of period", "periodStartLabel": "Gross amount at beginning of period", "terseLabel": "Gross amount carried at close of current period", "verboseLabel": "Gross Amount of Real Estate Assets, As Reported on Schedule III" } } }, "localname": "RealEstateGrossAtCarryingValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails", "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RealEstateImprovements": { "auth_ref": [ "r635" ], "calculation": { "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails": { "order": 2.0, "parentTag": "irm_RealEstateAndAccumulatedDepreciationRealEstateAdditions", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in real estate investments related to improvements for entities with a substantial portion of business acquiring and holding investment real estate.", "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Improvements", "terseLabel": "Discretionary capital projects" } } }, "localname": "RealEstateImprovements", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RealEstateOtherAcquisitions": { "auth_ref": [ "r635" ], "calculation": { "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails": { "order": 1.0, "parentTag": "irm_RealEstateAndAccumulatedDepreciationRealEstateAdditions", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in real estate investments from acquisitions other than through foreclosure for entities with a substantial portion of business acquiring and holding investment real estate.", "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Other Acquisition", "terseLabel": "Acquisitions" } } }, "localname": "RealEstateOtherAcquisitions", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RealEstateOtherAdditions": { "auth_ref": [ "r635" ], "calculation": { "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails": { "order": 4.0, "parentTag": "irm_RealEstateAndAccumulatedDepreciationRealEstateAdditions", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of other additions excluding acquisition or improvement to real estate investments for entities with a substantial portion of business acquiring and holding investment real estate.", "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Other Addition", "terseLabel": "Other adjustments" } } }, "localname": "RealEstateOtherAdditions", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RealEstatePolicyTextBlock": { "auth_ref": [ "r151", "r511", "r628" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for entities that primarily develop and then sell real property at retail or otherwise.", "label": "Real Estate, Policy [Policy Text Block]", "terseLabel": "Gains on Sale of Real Estate" } } }, "localname": "RealEstatePolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ReceivablesTradeAndOtherAccountsReceivableAllowanceForDoubtfulAccountsPolicy": { "auth_ref": [ "r56", "r151", "r227" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for determining the allowance for doubtful accounts for trade and other accounts receivable balances, and when impairments, charge-offs or recoveries are recognized.", "label": "Receivables, Trade and Other Accounts Receivable, Allowance for Doubtful Accounts, Policy [Policy Text Block]", "terseLabel": "Allowance for Doubtful Accounts and Credit Memo Reserves" } } }, "localname": "ReceivablesTradeAndOtherAccountsReceivableAllowanceForDoubtfulAccountsPolicy", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]", "terseLabel": "Other comprehensive loss:" } } }, "localname": "ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ReconciliationOfCarryingAmountOfRealEstateInvestmentsRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]", "terseLabel": "Activity in Real Estate" } } }, "localname": "ReconciliationOfCarryingAmountOfRealEstateInvestmentsRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract]", "terseLabel": "Reconciliation of Adjusted EBITDA to income from continuing operations" } } }, "localname": "ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SegmentInformationReconciliationOfAdjustedEbitdaToIncomeLossFromContinuingOperationsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ReconciliationOfRealEstateAccumulatedDepreciationRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]", "terseLabel": "Change in accumulated depreciation" } } }, "localname": "ReconciliationOfRealEstateAccumulatedDepreciationRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]", "terseLabel": "Reconciliation of unrecognized tax benefits:" } } }, "localname": "ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesReconciliationOfUnrecognizedTaxBenefitsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount": { "auth_ref": [ "r304", "r305", "r307", "r308" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 7.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.", "label": "Redeemable Noncontrolling Interest, Equity, Carrying Amount", "periodEndLabel": "Balance", "periodStartLabel": "Balance", "terseLabel": "Redeemable Noncontrolling Interests (see Note 2.v.)" } } }, "localname": "RedeemableNoncontrollingInterestEquityCarryingAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RelatedPartyCosts": { "auth_ref": [ "r115", "r164" ], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails": { "order": 2.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Direct costs arising from transactions with related parties who are not affiliates or joint Ventures. These costs are categorized as cost of goods sold.", "label": "Related Party Costs", "terseLabel": "Intercompany cost of sales" } } }, "localname": "RelatedPartyCosts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RelatedPartyDomain": { "auth_ref": [ "r556" ], "lang": { "en-US": { "role": { "documentation": "Related parties include affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests.", "label": "Related Party [Domain]", "terseLabel": "Related Party [Domain]" } } }, "localname": "RelatedPartyDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/RelatedPartyTransactionsAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RelatedPartyTransactionLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Related Party Transaction [Line Items]", "terseLabel": "Related Party Transaction [Line Items]" } } }, "localname": "RelatedPartyTransactionLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/RelatedPartyTransactionsAdditionalInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Related Party Transactions [Abstract]" } } }, "localname": "RelatedPartyTransactionsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionsByRelatedPartyAxis": { "auth_ref": [ "r335", "r551", "r552", "r568", "r569", "r570", "r571", "r572", "r573", "r574", "r575", "r576", "r577", "r578", "r579" ], "lang": { "en-US": { "role": { "documentation": "Information by type of related party. Related parties include, but not limited to, affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests.", "label": "Related Party [Axis]", "terseLabel": "Related Party [Axis]" } } }, "localname": "RelatedPartyTransactionsByRelatedPartyAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/RelatedPartyTransactionsAdditionalInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionsDisclosureTextBlock": { "auth_ref": [ "r556" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.", "label": "Related Party Transactions Disclosure [Text Block]", "terseLabel": "Related Party Transactions" } } }, "localname": "RelatedPartyTransactionsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/RelatedPartyTransactions" ], "xbrltype": "textBlockItemType" }, "us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue": { "auth_ref": [ "r27", "r36", "r143", "r149" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.", "label": "Restricted Cash and Cash Equivalents, Current", "terseLabel": "Restricted cash" } } }, "localname": "RestrictedCashAndCashEquivalentsAtCarryingValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCashAndCashEquivalentsAndRestrictedCashDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RestrictedStockUnitsRSUMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Share instrument which is convertible to stock or an equivalent amount of cash, after a specified period of time or when specified performance conditions are met.", "label": "Restricted Stock Units (RSUs) [Member]", "terseLabel": "Restricted Stock Units (RSUs)" } } }, "localname": "RestrictedStockUnitsRSUMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RestructuringAndRelatedActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Restructuring and Related Activities [Abstract]" } } }, "localname": "RestructuringAndRelatedActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock": { "auth_ref": [ "r279" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled.", "label": "Restructuring and Related Activities Disclosure [Text Block]", "verboseLabel": "Restructuring Charges" } } }, "localname": "RestructuringAndRelatedActivitiesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/RestructuringCharges" ], "xbrltype": "textBlockItemType" }, "us-gaap_RestructuringCharges": { "auth_ref": [ "r141", "r271", "r275", "r277" ], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails": { "order": 8.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.", "label": "Restructuring Charges", "terseLabel": "Restructuring Charges (see Note 14)", "verboseLabel": "Restructuring Charges" } } }, "localname": "RestructuringCharges", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/RestructuringChargesAdditionalInformationDetails", "http://www.ironmountain.com/role/RestructuringChargesRestructuringChargesDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RestructuringCostAndReserveLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Restructuring Cost and Reserve [Line Items]", "terseLabel": "Restructuring Cost and Reserve [Line Items]" } } }, "localname": "RestructuringCostAndReserveLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/RestructuringChargesAdditionalInformationDetails", "http://www.ironmountain.com/role/RestructuringChargesRestructuringChargesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RestructuringCosts": { "auth_ref": [ "r141" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.", "label": "Restructuring Costs", "terseLabel": "Restructuring Charges" } } }, "localname": "RestructuringCosts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SegmentInformationReconciliationOfAdjustedEbitdaToIncomeLossFromContinuingOperationsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RestructuringPlanAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by individual restructuring plan.", "label": "Restructuring Plan [Axis]", "terseLabel": "Restructuring Plan [Axis]" } } }, "localname": "RestructuringPlanAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/RestructuringChargesAdditionalInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RestructuringPlanDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Identification of the individual restructuring plans.", "label": "Restructuring Plan [Domain]", "terseLabel": "Restructuring Plan [Domain]" } } }, "localname": "RestructuringPlanDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/RestructuringChargesAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax": { "auth_ref": [ "r326", "r327" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails": { "order": 2.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.", "label": "Revenue from Contract with Customer, Excluding Assessed Tax", "terseLabel": "Revenues", "verboseLabel": "Total revenues" } } }, "localname": "RevenueFromContractWithCustomerExcludingAssessedTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndAssetInformationByGeographyAndServiceLineDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RevenueFromContractWithCustomerPolicyTextBlock": { "auth_ref": [ "r152", "r332" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for revenue from contract with customer.", "label": "Revenue from Contract with Customer [Policy Text Block]", "terseLabel": "Revenues" } } }, "localname": "RevenueFromContractWithCustomerPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_RevenueFromRelatedParties": { "auth_ref": [ "r112", "r625" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.", "label": "Revenue from Related Parties", "terseLabel": "Revenue from related party" } } }, "localname": "RevenueFromRelatedParties", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/RelatedPartyTransactionsAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Revenue, Initial Application Period Cumulative Effect Transition [Line Items]", "terseLabel": "Revenue, Initial Application Period Cumulative Effect Transition [Line Items]" } } }, "localname": "RevenueInitialApplicationPeriodCumulativeEffectTransitionLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueContractFulfillmentCostsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of information when using transition method for cumulative effect in initial period of application for revenue from contract with customer.", "label": "Revenue, Initial Application Period Cumulative Effect Transition [Table]", "terseLabel": "Revenue, Initial Application Period Cumulative Effect Transition [Table]" } } }, "localname": "RevenueInitialApplicationPeriodCumulativeEffectTransitionTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueContractFulfillmentCostsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_Revenues": { "auth_ref": [ "r104", "r207", "r208", "r217" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations": { "order": 3.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": 1.0 }, "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).", "label": "Revenues", "terseLabel": "Total Revenues", "totalLabel": "Total Revenues", "verboseLabel": "Total revenues" } } }, "localname": "Revenues", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndAssetInformationByGeographyAndServiceLineDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RevenuesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Revenues [Abstract]", "terseLabel": "Revenues:" } } }, "localname": "RevenuesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RevolvingCreditFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Arrangement in which loan proceeds can continuously be obtained following repayments, but the total amount borrowed cannot exceed a specified maximum amount.", "label": "Revolving Credit Facility [Member]", "terseLabel": "Revolving Credit Facility" } } }, "localname": "RevolvingCreditFacilityMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtCovenantRatiosDetails", "http://www.ironmountain.com/role/DebtNewCreditAgreementNarrativeDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails", "http://www.ironmountain.com/role/DebtUkBilateralRevolvingCreditFacilityDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense": { "auth_ref": [ "r635" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of depreciation expense of real estate investments for entities with a substantial portion of business acquiring and holding investment real estate.", "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Depreciation Expense", "terseLabel": "Depreciation" } } }, "localname": "SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ScheduleIiiScheduleOfRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SaleAndLeasebackTransactionGainLossNet": { "auth_ref": [ "r539", "r545", "r548" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) on sale and leaseback transaction from transfer of asset accounted for as sale.", "label": "Sale and Leaseback Transaction, Gain (Loss), Net", "terseLabel": "Sale and sale-leaseback transactions" } } }, "localname": "SaleAndLeasebackTransactionGainLossNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLongLivedAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SaleOfStockConsiderationReceivedOnTransaction": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Cash received on stock transaction after deduction of issuance costs.", "label": "Sale of Stock, Consideration Received on Transaction", "terseLabel": "Sale of stock, consideration received on transaction" } } }, "localname": "SaleOfStockConsiderationReceivedOnTransaction", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/StockholdersEquityMattersAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SaleOfStockNameOfTransactionDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Sale of the entity's stock, including, but not limited to, initial public offering (IPO) and private placement.", "label": "Sale of Stock [Domain]", "terseLabel": "Sale of Stock [Domain]" } } }, "localname": "SaleOfStockNameOfTransactionDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity", "http://www.ironmountain.com/role/StockholdersEquityMattersAdditionalInformationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.", "label": "Sale of Stock, Number of Shares Issued in Transaction", "terseLabel": "Sale of stock, number of shares issued in transaction (in shares)" } } }, "localname": "SaleOfStockNumberOfSharesIssuedInTransaction", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/StockholdersEquityMattersAdditionalInformationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_SalesAndExciseTaxPayableCurrentAndNoncurrent": { "auth_ref": [ "r591", "r613" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPrepaidExpensesAndAccruedExpensesDetails": { "order": 5.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of liabilities incurred through that date and payable for statutory sales and use taxes, including value added tax.", "label": "Sales and Excise Tax Payable", "terseLabel": "Sales tax and VAT payable" } } }, "localname": "SalesAndExciseTaxPayableCurrentAndNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPrepaidExpensesAndAccruedExpensesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock": { "auth_ref": [ "r90" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the components of accumulated other comprehensive income (loss).", "label": "Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]", "terseLabel": "Schedule of changes in accumulated other comprehensive items, net" } } }, "localname": "ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable": { "auth_ref": [ "r423", "r424" ], "lang": { "en-US": { "role": { "documentation": "Schedule reflecting each material business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities.", "label": "Schedule of Business Acquisitions, by Acquisition [Table]", "terseLabel": "Schedule of Business Acquisitions, by Acquisition [Table]" } } }, "localname": "ScheduleOfBusinessAcquisitionsByAcquisitionTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails", "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfCashAndCashEquivalentsTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Schedule of cash and cash equivalent balances. This table excludes restricted cash balances.", "label": "Schedule of Cash and Cash Equivalents [Table]", "terseLabel": "Schedule of Cash and Cash Equivalents [Table]" } } }, "localname": "ScheduleOfCashAndCashEquivalentsTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesConcentrationOfCreditRiskDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock": { "auth_ref": [ "r409" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.", "label": "Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]", "terseLabel": "Provision (benefit) for income taxes" } } }, "localname": "ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfDebtInstrumentsTextBlock": { "auth_ref": [ "r72", "r159", "r313", "r316", "r317", "r318", "r513", "r514", "r516", "r602" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.", "label": "Schedule of Long-term Debt Instruments [Table Text Block]", "terseLabel": "Schedule of Carrying Amount and Fair Value of Long-term Debt Instruments" } } }, "localname": "ScheduleOfDebtInstrumentsTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock": { "auth_ref": [ "r401" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.", "label": "Schedule of Deferred Tax Assets and Liabilities [Table Text Block]", "terseLabel": "Components of deferred tax assets and deferred tax liabilities" } } }, "localname": "ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock": { "auth_ref": [ "r469", "r475", "r481" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments.", "label": "Derivative Instruments, Gain (Loss) [Table Text Block]", "terseLabel": "Schedule of (Gains) Losses For Derivative Instruments" } } }, "localname": "ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfDerivativeInstrumentsTextBlock": { "auth_ref": [ "r165", "r461", "r463", "r464", "r466", "r467", "r473", "r475", "r482", "r484" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item.", "label": "Schedule of Derivative Instruments [Table Text Block]", "terseLabel": "Schedule of Net Cash (Receipts) Payments Included in Cash From Operacting Activities Related to Settlements" } } }, "localname": "ScheduleOfDerivativeInstrumentsTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock": { "auth_ref": [ "r1", "r9", "r10", "r11", "r12", "r14", "r15", "r20", "r23", "r24", "r25", "r267", "r268" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of information related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.", "label": "Disposal Groups, Including Discontinued Operations [Table Text Block]", "terseLabel": "Summary of Operations of the Recall Divestments" } } }, "localname": "ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfDividendsPayableTextBlock": { "auth_ref": [ "r146" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of all or some of the information related to dividends declared, but not paid, as of the financial reporting date.", "label": "Schedule of Dividends Payable [Table Text Block]", "terseLabel": "Schedule of Dividends Declared and Payments" } } }, "localname": "ScheduleOfDividendsPayableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/StockholdersEquityMattersTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock": { "auth_ref": [ "r187" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.", "label": "Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]", "terseLabel": "Calculation of basic and diluted net income (loss) per share attributable to the entity" } } }, "localname": "ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock": { "auth_ref": [ "r384" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.", "label": "Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]", "terseLabel": "Reconciliation of total income tax expense and amount computed by applying the federal income tax rate" } } }, "localname": "ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable": { "auth_ref": [ "r220" ], "lang": { "en-US": { "role": { "documentation": "Tabular presentation of the description and amount of revenues from a product or service, or a group of similar products or similar services, reported from external customers during the period, if the information is not provided as part of the reportable operating segment information.", "label": "Revenue from External Customers by Products and Services [Table]", "terseLabel": "Revenue from External Customers by Products and Services [Table]" } } }, "localname": "ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SegmentInformationRevenueAndAssetInformationByGeographyAndServiceLineDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock": { "auth_ref": [ "r220" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information.", "label": "Revenue from External Customers by Products and Services [Table Text Block]", "terseLabel": "Schedule of Revenues By Product and Service Lines" } } }, "localname": "ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SegmentInformationTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable": { "auth_ref": [ "r174", "r175", "r176" ], "lang": { "en-US": { "role": { "documentation": "Schedule of prior period adjustments to correct an error in previously issued financial statements. The disclosure may include, but is not limited to: (1) the effect of the correction on each financial statement line item and any per-share amounts affected for each prior period presented (2) the cumulative effect of the change on retained earnings or other appropriate components of equity or net assets in the statement of financial position, as of the beginning of the earliest period presented, and (3) the effect of the prior period adjustment (both gross and net of applicable income tax) on the net income of each prior period presented in the entity's annual report for the year in which the adjustments are made. This table can be used to disclose the amounts as previously reported and the effect of the correction or other adjustment on per line item or per share amount basis. This table uses as its line items financial statement line items that are affected by prior period adjustments.", "label": "Schedule of Error Corrections and Prior Period Adjustment Restatement [Table]", "terseLabel": "Schedule of Error Corrections and Prior Period Adjustment Restatement [Table]" } } }, "localname": "ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementNarrativeDetailsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfEffectOfChangesInPresentationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentsTextBlock": { "auth_ref": [ "r174", "r175", "r176" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of prior period adjustments to previously issued financial statements including (1) the effect of the correction on each financial statement line item and any per-share amounts affected for each prior period presented (2) the cumulative effect of the change on retained earnings or other appropriate components of equity or net assets in the statement of financial position, as of the beginning of the earliest period presented, and (3) the effect of the prior period adjustments (both gross and net of applicable income tax) on the net income of each prior period presented in the entity's annual report for the year in which the adjustments are made.", "label": "Schedule of Error Corrections and Prior Period Adjustments [Table Text Block]", "terseLabel": "Schedule of immaterial restatement" } } }, "localname": "ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentsTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock": { "auth_ref": [ "r488", "r489" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).", "label": "Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]", "terseLabel": "Assets and liabilities carried at fair value measured on a recurring basis" } } }, "localname": "ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable": { "auth_ref": [ "r248", "r252" ], "lang": { "en-US": { "role": { "documentation": "Schedule of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.", "label": "Schedule of Finite-Lived Intangible Assets [Table]", "terseLabel": "Schedule of Finite-Lived Intangible Assets [Table]" } } }, "localname": "ScheduleOfFiniteLivedIntangibleAssetsTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesCustomerRelationshipsAndAcquisitionCostsAndOtherIntangibleAssetsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock": { "auth_ref": [ "r248", "r252" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.", "label": "Schedule of Finite-Lived Intangible Assets [Table Text Block]", "terseLabel": "Components of amortizable intangible assets" } } }, "localname": "ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock": { "auth_ref": [ "r523" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of future minimum lease payments as of the date of the latest balance sheet presented, in aggregate and for each of the five years succeeding fiscal years, with separate deductions from the total for the amount representing executor costs, including any profit thereon, included in the minimum lease payments and for the amount of the imputed interest necessary to reduce the net minimum lease payments to present value.", "label": "Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]", "terseLabel": "Schedule of future minimum lease payments for capital leases" } } }, "localname": "ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock": { "auth_ref": [ "r521" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date.", "label": "Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]", "terseLabel": "Schedule of future minimum rental payments for operating leases" } } }, "localname": "ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfGoodwillTable": { "auth_ref": [ "r245", "r246" ], "lang": { "en-US": { "role": { "documentation": "Schedule of goodwill and the changes during the year due to acquisition, sale, impairment or for other reasons.", "label": "Schedule of Goodwill [Table]", "terseLabel": "Schedule of Goodwill [Table]" } } }, "localname": "ScheduleOfGoodwillTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfGoodwillTextBlock": { "auth_ref": [ "r245", "r246" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.", "label": "Schedule of Goodwill [Table Text Block]", "terseLabel": "Schedule of changes in the carrying value of goodwill attributable to each reportable operating segment" } } }, "localname": "ScheduleOfGoodwillTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock": { "auth_ref": [ "r161" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of income before income tax between domestic and foreign jurisdictions.", "label": "Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]", "terseLabel": "Components of income (loss) from continuing operations before provision for income taxes" } } }, "localname": "ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock": { "auth_ref": [ "r293" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented.", "label": "Schedule of Maturities of Long-term Debt [Table Text Block]", "terseLabel": "Schedule of Maturities of Long-term Debt" } } }, "localname": "ScheduleOfMaturitiesOfLongTermDebtTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfNetInvestmentHedgesInAccumulatedOtherComprehensiveIncomeLossTableTextBlock": { "auth_ref": [ "r477" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the effective portion of gains and losses on derivative instruments (and nonderivative instruments) designated and qualifying in net investment hedges recorded in accumulated other comprehensive income (loss) during the term of the hedging relationship and reclassified into earnings during the current period.", "label": "Schedule of Net Investment Hedges in Accumulated Other Comprehensive Income (Loss) [Table Text Block]", "terseLabel": "Schedule of Net Investment Hedges in Accumulated Other Comprehensive Income (Loss)" } } }, "localname": "ScheduleOfNetInvestmentHedgesInAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfNonvestedPerformanceBasedUnitsActivityTableTextBlock": { "auth_ref": [ "r354" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the changes in outstanding nonvested performance-based units.", "label": "Schedule of Nonvested Performance-based Units Activity [Table Text Block]", "terseLabel": "Summary of performance unit (PU) activity" } } }, "localname": "ScheduleOfNonvestedPerformanceBasedUnitsActivityTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items.", "label": "Schedule of Other Nonoperating Income (Expense) [Table Text Block]", "terseLabel": "Other expense (income), net" } } }, "localname": "ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfPropertyPlantAndEquipmentTable": { "auth_ref": [ "r64", "r262" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.", "label": "Property, Plant and Equipment [Table]", "terseLabel": "Property, Plant and Equipment [Table]" } } }, "localname": "ScheduleOfPropertyPlantAndEquipmentTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock": { "auth_ref": [ "r190" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data.", "label": "Quarterly Financial Information [Table Text Block]", "terseLabel": "Quarterly Results of Operations (Unaudited)" } } }, "localname": "ScheduleOfQuarterlyFinancialInformationTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/QuarterlyResultsOfOperationsUnauditedTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock": { "auth_ref": [ "r428" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed. May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree.", "label": "Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]", "terseLabel": "Schedule of recognized identified assets acquired and liabilities assumed" } } }, "localname": "ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable": { "auth_ref": [ "r157", "r551", "r552", "r553", "r554", "r555" ], "lang": { "en-US": { "role": { "documentation": "Schedule of quantitative and qualitative information pertaining to related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.", "label": "Schedule of Related Party Transactions, by Related Party [Table]", "terseLabel": "Schedule of Related Party Transactions, by Related Party [Table]" } } }, "localname": "ScheduleOfRelatedPartyTransactionsByRelatedPartyTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/RelatedPartyTransactionsAdditionalInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfRestructuringAndRelatedCostsTable": { "auth_ref": [ "r273", "r274", "r276" ], "lang": { "en-US": { "role": { "documentation": "Table presenting the description of the restructuring costs, such as the expected cost; the costs incurred during the period; the cumulative costs incurred as of the balance sheet date; the income statement caption within which the restructuring charges recognized for the period are included; and the amount of and periodic changes to an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost by type of restructuring.", "label": "Schedule of Restructuring and Related Costs [Table]", "terseLabel": "Schedule of Restructuring and Related Costs [Table]" } } }, "localname": "ScheduleOfRestructuringAndRelatedCostsTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/RestructuringChargesAdditionalInformationDetails", "http://www.ironmountain.com/role/RestructuringChargesRestructuringChargesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock": { "auth_ref": [ "r273", "r274", "r276" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets.", "label": "Restructuring and Related Costs [Table Text Block]", "verboseLabel": "Schedule of restructuring" } } }, "localname": "ScheduleOfRestructuringAndRelatedCostsTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/RestructuringChargesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock": { "auth_ref": [ "r113", "r222" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of information concerning material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries.", "label": "Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]", "terseLabel": "Schedule of Operations in Different Geographical Areas" } } }, "localname": "ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SegmentInformationTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable": { "auth_ref": [ "r206", "r213", "r215", "r216", "r245" ], "lang": { "en-US": { "role": { "documentation": "A table disclosing the profit or loss and total assets for each reportable segment of the entity. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.", "label": "Schedule of Segment Reporting Information, by Segment [Table]", "terseLabel": "Schedule of Segment Reporting Information, by Segment [Table]" } } }, "localname": "ScheduleOfSegmentReportingInformationBySegmentTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SegmentInformationReconciliationOfAdjustedEbitdaToIncomeLossFromContinuingOperationsDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails", "http://www.ironmountain.com/role/SegmentInformationSignificantAcquisitionCostsBySegmentDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock": { "auth_ref": [ "r206", "r213", "r215", "r216", "r245" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.", "label": "Schedule of Segment Reporting Information, by Segment [Table Text Block]", "terseLabel": "Schedule of Analysis of Business Segment Information and Reconciliation" } } }, "localname": "ScheduleOfSegmentReportingInformationBySegmentTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SegmentInformationTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceBasedUnitsVestedAndExpectedToVestTableTextBlock": { "auth_ref": [ "r363" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding performance-based awards that are fully vested and expected to vest. Includes, but is not limited to, unvested awards for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.", "label": "Share-based Compensation Arrangements by Share-based Payment Award, Performance-Based Units, Vested and Expected to Vest [Table Text Block]", "terseLabel": "Schedule of performance units" } } }, "localname": "ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceBasedUnitsVestedAndExpectedToVestTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable": { "auth_ref": [ "r340", "r371" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about share-based payment arrangement.", "label": "Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]", "terseLabel": "Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]" } } }, "localname": "ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock": { "auth_ref": [ "r346", "r359", "r362" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.", "label": "Share-based Payment Arrangement, Option, Activity [Table Text Block]", "terseLabel": "Summary of stock option activity" } } }, "localname": "ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock": { "auth_ref": [ "r364" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.", "label": "Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]", "terseLabel": "Schedule of weighted average assumptions" } } }, "localname": "ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.", "label": "Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]", "terseLabel": "Summary of restricted stock and RSU activity" } } }, "localname": "ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfStockByClassTable": { "auth_ref": [ "r76", "r158", "r303", "r309", "r311", "r313", "r314", "r315", "r316", "r317", "r318", "r319" ], "lang": { "en-US": { "role": { "documentation": "Schedule detailing information related to equity by class of stock. Class of stock includes common, convertible, and preferred stocks which are not redeemable or redeemable solely at the option of the issuer. It also includes preferred stock with redemption features that are solely within the control of the issuer and mandatorily redeemable stock if redemption is required to occur only upon liquidation or termination of the reporting entity.", "label": "Schedule of Stock by Class [Table]", "terseLabel": "Schedule of Stock by Class [Table]" } } }, "localname": "ScheduleOfStockByClassTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/StockholdersEquityMattersAdditionalInformationDetails", "http://www.ironmountain.com/role/StockholdersEquityMattersClassificationOfDividendsPaidDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock": { "auth_ref": [ "r395", "r410" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the change in unrecognized tax benefits.", "label": "Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]", "terseLabel": "Reconciliation of unrecognized tax benefits" } } }, "localname": "ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock": { "auth_ref": [ "r252" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.", "label": "Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]", "terseLabel": "Estimated amortization expense for existing intangible assets for the next five succeeding fiscal years" } } }, "localname": "ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_SecuredDebtMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Collateralized debt obligation backed by, for example, but not limited to, pledge, mortgage or other lien on the entity's assets.", "label": "Secured Debt [Member]", "terseLabel": "Secured Debt" } } }, "localname": "SecuredDebtMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtAccountsReceivableAndMortgageSecuritizationProgramNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SegmentDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Components of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity.", "label": "Segments [Domain]", "terseLabel": "Segments [Domain]" } } }, "localname": "SegmentDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/RestructuringChargesRestructuringChargesDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndAssetInformationByGeographyAndServiceLineDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails", "http://www.ironmountain.com/role/SegmentInformationSignificantAcquisitionCostsBySegmentDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueNarrativeDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SegmentReportingAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Segment Reporting [Abstract]" } } }, "localname": "SegmentReportingAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_SegmentReportingDisclosureTextBlock": { "auth_ref": [ "r223" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.", "label": "Segment Reporting Disclosure [Text Block]", "terseLabel": "Segment Information" } } }, "localname": "SegmentReportingDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SegmentInformation" ], "xbrltype": "textBlockItemType" }, "us-gaap_SegmentReportingInformationLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Segment Reporting Information [Line Items]", "terseLabel": "Segment information" } } }, "localname": "SegmentReportingInformationLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SegmentInformationReconciliationOfAdjustedEbitdaToIncomeLossFromContinuingOperationsDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails", "http://www.ironmountain.com/role/SegmentInformationSignificantAcquisitionCostsBySegmentDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SelfInsuranceReserveCurrent": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying amount of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property that are expected to be paid within one year (or the normal operating cycle, if longer).", "label": "Self Insurance Reserve, Current", "terseLabel": "Self-insured accrual" } } }, "localname": "SelfInsuranceReserveCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SellingGeneralAndAdministrativeExpense": { "auth_ref": [ "r116", "r233" ], "calculation": { "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails": { "order": 3.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.", "label": "Selling, General and Administrative Expense", "terseLabel": "Selling, general and administrative", "verboseLabel": "Selling, general and administrative" } } }, "localname": "SellingGeneralAndAdministrativeExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfEffectOfChangesInPresentationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SellingGeneralAndAdministrativeExpensesMember": { "auth_ref": [ "r119" ], "lang": { "en-US": { "role": { "documentation": "Primary financial statement caption encompassing selling, general and administrative expense.", "label": "Selling, General and Administrative Expenses [Member]", "terseLabel": "Selling, general and administrative expenses" } } }, "localname": "SellingGeneralAndAdministrativeExpensesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesCostsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember": { "auth_ref": [ "r424" ], "lang": { "en-US": { "role": { "documentation": "Represents the aggregation and reporting of combined amounts of individually immaterial business combinations that were completed during the period.", "label": "Series of Individually Immaterial Business Acquisitions [Member]", "terseLabel": "Other Acquisitions" } } }, "localname": "SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsScheduleOfPurchasePriceAllocationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ServiceMember": { "auth_ref": [ "r329" ], "lang": { "en-US": { "role": { "documentation": "Assistance, including, but not limited to, technology, license and maintenance, license and service, maintenance, oil and gas, and financial service.", "label": "Service [Member]", "terseLabel": "Service" } } }, "localname": "ServiceMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedStatementOfOperationsAndComprehensiveIncomeLossDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ShareBasedCompensation": { "auth_ref": [ "r140" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows": { "order": 7.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of noncash expense for share-based payment arrangement.", "label": "Share-based Payment Arrangement, Noncash Expense", "terseLabel": "Stock-based compensation expense" } } }, "localname": "ShareBasedCompensation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract]", "terseLabel": "Employee Stock Purchase Plan" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1": { "auth_ref": [ "r341" ], "lang": { "en-US": { "role": { "documentation": "Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period", "terseLabel": "Qualifying service period" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "durationItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1": { "auth_ref": [ "r341" ], "lang": { "en-US": { "role": { "documentation": "Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period", "terseLabel": "Award vesting period" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "durationItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod": { "auth_ref": [ "r352" ], "lang": { "en-US": { "role": { "documentation": "The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period", "negatedLabel": "Forfeited (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue": { "auth_ref": [ "r358" ], "lang": { "en-US": { "role": { "documentation": "Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value", "terseLabel": "Weighted average grant date fair value, forfeited (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod": { "auth_ref": [ "r356" ], "lang": { "en-US": { "role": { "documentation": "The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period", "terseLabel": "Granted (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue": { "auth_ref": [ "r356" ], "lang": { "en-US": { "role": { "documentation": "The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value", "terseLabel": "Weighted average grant date fair value, granted (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber": { "auth_ref": [ "r355" ], "lang": { "en-US": { "role": { "documentation": "The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number", "periodEndLabel": "Non-vested at the end of the period (in shares)", "periodStartLabel": "Non-vested at the beginning of the period (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]", "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue": { "auth_ref": [ "r355" ], "lang": { "en-US": { "role": { "documentation": "Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value", "periodEndLabel": "Weighted average grant date fair value, non-vested, end of period (in dollars per share)", "periodStartLabel": "Weighted average grant date fair value, non-vested, beginning of period (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]", "terseLabel": "Weighted average grant date fair value" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod": { "auth_ref": [ "r357" ], "lang": { "en-US": { "role": { "documentation": "The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period", "negatedLabel": "Vested (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue": { "auth_ref": [ "r361" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value", "terseLabel": "Total fair value of shares or units vested" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue": { "auth_ref": [ "r357" ], "lang": { "en-US": { "role": { "documentation": "The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value", "terseLabel": "Weighted average grant date fair value, vested (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]", "terseLabel": "Weighted average assumptions used for grants" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate": { "auth_ref": [ "r367" ], "lang": { "en-US": { "role": { "documentation": "The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate", "terseLabel": "Expected dividend yield (as a percent)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate": { "auth_ref": [ "r366" ], "lang": { "en-US": { "role": { "documentation": "The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate", "terseLabel": "Expected volatility (as a percent)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate": { "auth_ref": [ "r368" ], "lang": { "en-US": { "role": { "documentation": "The risk-free interest rate assumption that is used in valuing an option on its own shares.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate", "terseLabel": "Risk-free interest rate (as a percent)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]", "terseLabel": "Employee stock-based awards" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate": { "auth_ref": [ "r371" ], "lang": { "en-US": { "role": { "documentation": "The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate", "terseLabel": "Employee stock purchase plan, maximum employee subscription rate percent" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized": { "auth_ref": [ "r343" ], "lang": { "en-US": { "role": { "documentation": "Number of shares authorized for issuance under share-based payment arrangement.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized", "terseLabel": "Total amount of shares of common stock reserved and available for issuance pursuant to awards granted under the 2014 Plan (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant": { "auth_ref": [ "r371" ], "lang": { "en-US": { "role": { "documentation": "The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant", "terseLabel": "Employee stock purchase plan, shares available for grant" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]", "terseLabel": "Aggregate intrinsic value of stock options exercised" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber": { "auth_ref": [ "r349" ], "lang": { "en-US": { "role": { "documentation": "The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number", "terseLabel": "Options exercisable balance (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice": { "auth_ref": [ "r349" ], "lang": { "en-US": { "role": { "documentation": "The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price", "terseLabel": "Weighted average exercise price, options exercisable (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue": { "auth_ref": [ "r361" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value", "terseLabel": "Aggregate intrinsic value of stock options exercised" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod": { "auth_ref": [ "r353" ], "lang": { "en-US": { "role": { "documentation": "Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period", "negatedLabel": "Options expired (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod": { "auth_ref": [ "r352" ], "lang": { "en-US": { "role": { "documentation": "The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period", "negatedLabel": "Options forfeited (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod": { "auth_ref": [ "r350" ], "lang": { "en-US": { "role": { "documentation": "Net number of share options (or share units) granted during the period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures", "terseLabel": "Options granted (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue": { "auth_ref": [ "r360" ], "lang": { "en-US": { "role": { "documentation": "The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value", "terseLabel": "Weighted average fair value of options granted (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue": { "auth_ref": [ "r371" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value", "terseLabel": "Aggregate intrinsic value, options outstanding" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber": { "auth_ref": [ "r348", "r371" ], "lang": { "en-US": { "role": { "documentation": "Number of options outstanding, including both vested and non-vested options.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number", "periodEndLabel": "Options outstanding balance, end of period (in shares)", "periodStartLabel": "Options outstanding balance, beginning of period (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]", "terseLabel": "Summary of option activity" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice": { "auth_ref": [ "r347" ], "lang": { "en-US": { "role": { "documentation": "Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price", "periodEndLabel": "Weighted average exercise price, options outstanding balance end of period (in dollars per share)", "periodStartLabel": "Weighted average exercise price, options outstanding balance beginning of period (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue": { "auth_ref": [ "r362" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value", "terseLabel": "Aggregate intrinsic value, options expected to vest" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber": { "auth_ref": [ "r363" ], "lang": { "en-US": { "role": { "documentation": "Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number", "terseLabel": "Options expected to vest (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice": { "auth_ref": [ "r363" ], "lang": { "en-US": { "role": { "documentation": "Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price", "terseLabel": "Weighted average exercise price, options expected to vest (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod": { "auth_ref": [ "r371" ], "lang": { "en-US": { "role": { "documentation": "Number of shares issued under share-based payment arrangement.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period", "terseLabel": "Employee stock purchase plan, shares issued in period" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain": { "auth_ref": [ "r337", "r344" ], "lang": { "en-US": { "role": { "documentation": "Award under share-based payment arrangement.", "label": "Award Type [Domain]", "terseLabel": "Award Type [Domain]" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Weighted average price at which option holders acquired shares when converting their stock options into shares.", "label": "Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price", "terseLabel": "Weighted average exercise price, options exercised (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.", "label": "Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price", "terseLabel": "Weighted average exercise price, options expired (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.", "label": "Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price", "terseLabel": "Weighted average exercise price, options forfeited (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.", "label": "Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price", "terseLabel": "Weighted average exercise price, options granted (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationAwardTrancheOneMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "First portion of award under share-based payment arrangement differentiated by vesting feature, including, but not limited to, performance measure or service period.", "label": "Share-based Payment Arrangement, Tranche One [Member]", "terseLabel": "Tranche One" } } }, "localname": "ShareBasedCompensationAwardTrancheOneMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ShareBasedCompensationAwardTrancheTwoMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Second portion of award under share-based payment arrangement differentiated by vesting feature, including, but not limited to, performance measure or service period.", "label": "Share-based Payment Arrangement, Tranche Two [Member]", "terseLabel": "Tranche Two" } } }, "localname": "ShareBasedCompensationAwardTrancheTwoMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod": { "auth_ref": [ "r342" ], "lang": { "en-US": { "role": { "documentation": "Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period", "terseLabel": "Contractual term of awards" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "durationItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1": { "auth_ref": [ "r365", "r372" ], "lang": { "en-US": { "role": { "documentation": "Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term", "terseLabel": "Expected life of the option" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "durationItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1": { "auth_ref": [ "r371" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value", "terseLabel": "Aggregate intrinsic value, options exercisable" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1": { "auth_ref": [ "r371" ], "lang": { "en-US": { "role": { "documentation": "Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term", "terseLabel": "Weighted average remaining contractual term, options exercisable" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "durationItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2": { "auth_ref": [ "r363" ], "lang": { "en-US": { "role": { "documentation": "Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term", "terseLabel": "Weighted average remaining contractual term, options outstanding" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "durationItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1": { "auth_ref": [ "r363" ], "lang": { "en-US": { "role": { "documentation": "Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term", "terseLabel": "Weighted average remaining contractual term, options expected to vest" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "durationItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Purchase price of common stock expressed as a percentage of its fair value.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent", "terseLabel": "Percentage of market price for the purchase of shares" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShortMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicates the sale of a borrowed security or written option.", "label": "Short [Member]", "terseLabel": "Sell" } } }, "localname": "ShortMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesForwardCurrencyContractsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SignificantAccountingPoliciesTextBlock": { "auth_ref": [ "r171" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for all significant accounting policies of the reporting entity.", "label": "Significant Accounting Policies [Text Block]", "terseLabel": "Summary of Significant Accounting Policies" } } }, "localname": "SignificantAccountingPoliciesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_StatementBusinessSegmentsAxis": { "auth_ref": [ "r8", "r213", "r245", "r266", "r272", "r278", "r620" ], "lang": { "en-US": { "role": { "documentation": "Information by business segments.", "label": "Segments [Axis]", "terseLabel": "Segments [Axis]" } } }, "localname": "StatementBusinessSegmentsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/RestructuringChargesRestructuringChargesDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndAssetInformationByGeographyAndServiceLineDetails", "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails", "http://www.ironmountain.com/role/SegmentInformationSignificantAcquisitionCostsBySegmentDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueNarrativeDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingValueOfGoodwillByReportableOperatingSegmentDetails" ], "xbrltype": "stringItemType" }, "us-gaap_StatementClassOfStockAxis": { "auth_ref": [ "r46", "r47", "r48", "r312" ], "lang": { "en-US": { "role": { "documentation": "Information by the different classes of stock of the entity.", "label": "Class of Stock [Axis]", "terseLabel": "Class of Stock [Axis]" } } }, "localname": "StatementClassOfStockAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/AcquisitionsNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_StatementEquityComponentsAxis": { "auth_ref": [ "r77", "r312" ], "lang": { "en-US": { "role": { "documentation": "Information by component of equity.", "label": "Equity Components [Axis]", "terseLabel": "Equity Components [Axis]" } } }, "localname": "StatementEquityComponentsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_StatementLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Statement [Line Items]", "terseLabel": "Statement [Line Items]" } } }, "localname": "StatementLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity", "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "stringItemType" }, "us-gaap_StatementOfCashFlowsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statement of Cash Flows [Abstract]" } } }, "localname": "StatementOfCashFlowsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementOfFinancialPositionAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statement of Financial Position [Abstract]" } } }, "localname": "StatementOfFinancialPositionAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statement of Comprehensive Income [Abstract]" } } }, "localname": "StatementOfIncomeAndComprehensiveIncomeAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementOfStockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statement of Stockholders' Equity [Abstract]" } } }, "localname": "StatementOfStockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Schedule reflecting a Statement of Income, Statement of Cash Flows, Statement of Financial Position, Statement of Shareholders' Equity and Other Comprehensive Income, or other statement as needed.", "label": "Statement [Table]", "terseLabel": "Statement [Table]" } } }, "localname": "StatementTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity", "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations" ], "xbrltype": "stringItemType" }, "us-gaap_StockIssued1": { "auth_ref": [ "r146", "r147", "r148" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The fair value of stock issued in noncash financing activities.", "label": "Stock Issued", "terseLabel": "Fair Value of Stock Issued for Fortrust Transaction (see Note 6)" } } }, "localname": "StockIssued1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockIssuedDuringPeriodSharesAcquisitions": { "auth_ref": [ "r47", "r48", "r319" ], "lang": { "en-US": { "role": { "documentation": "Number of shares of stock issued during the period pursuant to acquisitions.", "label": "Stock Issued During Period, Shares, Acquisitions", "terseLabel": "Issuance of shares in connection with the Fortrust Transaction (see Note 6) (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesAcquisitions", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodSharesNewIssues": { "auth_ref": [ "r47", "r48", "r312", "r319" ], "lang": { "en-US": { "role": { "documentation": "Number of new stock issued during the period.", "label": "Stock Issued During Period, Shares, New Issues", "terseLabel": "Issuance of shares (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesNewIssues", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation": { "auth_ref": [ "r47", "r48", "r312", "r319" ], "lang": { "en-US": { "role": { "documentation": "Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP).", "label": "Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture", "terseLabel": "Issuance of shares under employee stock purchase plan and option plans and stock-based compensation (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesShareBasedCompensation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised": { "auth_ref": [ "r47", "r48", "r312", "r319", "r351" ], "lang": { "en-US": { "role": { "documentation": "Number of share options (or share units) exercised during the current period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period", "negatedLabel": "Options exercised (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesStockOptionsExercised", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodValueAcquisitions": { "auth_ref": [ "r77", "r312", "r319" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Value of stock issued pursuant to acquisitions during the period.", "label": "Stock Issued During Period, Value, Acquisitions", "verboseLabel": "Issuance of shares in connection with the Fortrust Transaction (see Note 6)" } } }, "localname": "StockIssuedDuringPeriodValueAcquisitions", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockIssuedDuringPeriodValueNewIssues": { "auth_ref": [ "r47", "r48", "r312", "r319" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.", "label": "Stock Issued During Period, Value, New Issues", "terseLabel": "Issuance of shares" } } }, "localname": "StockIssuedDuringPeriodValueNewIssues", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation": { "auth_ref": [ "r47", "r48", "r319", "r339", "r360" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).", "label": "Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture", "verboseLabel": "Issuance of shares under employee stock purchase plan and option plans and stock-based compensation" } } }, "localname": "StockIssuedDuringPeriodValueShareBasedCompensation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockholdersEquity": { "auth_ref": [ "r48", "r52", "r53", "r228" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.", "label": "Stockholders' Equity Attributable to Parent", "netLabel": "Total Iron Mountain Incorporated Stockholders' Equity", "terseLabel": "Total Iron Mountain Incorporated Stockholders' Equity", "totalLabel": "Total Iron Mountain Incorporated Stockholders' Equity" } } }, "localname": "StockholdersEquity", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Stockholders' Equity Attributable to Parent [Abstract]", "terseLabel": "Iron Mountain Incorporated Stockholders' Equity:" } } }, "localname": "StockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest": { "auth_ref": [ "r441", "r442", "r455" ], "calculation": { "http://www.ironmountain.com/role/ConsolidatedBalanceSheets": { "order": 8.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.", "label": "Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest", "periodEndLabel": "Stockholders' equity, ending balance", "periodStartLabel": "Stockholders' equity, beginning balance", "totalLabel": "Total Equity" } } }, "localname": "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets", "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity", "http://www.ironmountain.com/role/SelectedConsolidatedFinancialStatementsOfParentGuarantorsAndNonGuarantorsConsolidatedBalanceSheetsDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeOtherExpensesAndChangeInAccountingPronouncementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]", "terseLabel": "Equity:" } } }, "localname": "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_StockholdersEquityNoteDisclosureTextBlock": { "auth_ref": [ "r321" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.", "label": "Stockholders' Equity Note Disclosure [Text Block]", "terseLabel": "Stockholders' Equity Matters" } } }, "localname": "StockholdersEquityNoteDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/StockholdersEquityMatters" ], "xbrltype": "textBlockItemType" }, "us-gaap_StockholdersEquityPolicyTextBlock": { "auth_ref": [ "r150", "r151", "r310" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for its capital stock transactions, including dividends and accumulated other comprehensive income.", "label": "Stockholders' Equity, Policy [Policy Text Block]", "terseLabel": "Redeemable Noncontrolling Interests" } } }, "localname": "StockholdersEquityPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_SubleaseIncome": { "auth_ref": [ "r538", "r545" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of sublease income excluding finance and operating lease expense.", "label": "Sublease Income", "terseLabel": "Sublease Income" } } }, "localname": "SubleaseIncome", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SubsegmentsAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by business subsegments.", "label": "Subsegments [Axis]", "terseLabel": "Subsegments [Axis]" } } }, "localname": "SubsegmentsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsegmentsDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Divisions of a component of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity.", "label": "Subsegments [Domain]", "terseLabel": "Subsegments [Domain]" } } }, "localname": "SubsegmentsDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCarryingValueOfGoodwillByReportingUnitDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SubsequentEventLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.", "label": "Subsequent Event [Line Items]", "terseLabel": "Subsequent Event [Line Items]" } } }, "localname": "SubsequentEventLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/StockholdersEquityMattersDividendsDeclaredDetails", "http://www.ironmountain.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Identifies event that occurred after the balance sheet date but before financial statements are issued or available to be issued.", "label": "Subsequent Event [Member]", "terseLabel": "Subsequent Event" } } }, "localname": "SubsequentEventMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/StockholdersEquityMattersDividendsDeclaredDetails", "http://www.ironmountain.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SubsequentEventTable": { "auth_ref": [ "r557" ], "lang": { "en-US": { "role": { "documentation": "Discloses pertinent information about one or more significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued.", "label": "Subsequent Event [Table]", "terseLabel": "Subsequent Event [Table]" } } }, "localname": "SubsequentEventTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/StockholdersEquityMattersDividendsDeclaredDetails", "http://www.ironmountain.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventTypeAxis": { "auth_ref": [ "r557" ], "lang": { "en-US": { "role": { "documentation": "Information by event that occurred after the balance sheet date but before financial statements are issued or available to be issued.", "label": "Subsequent Event Type [Axis]", "terseLabel": "Subsequent Event Type [Axis]" } } }, "localname": "SubsequentEventTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/StockholdersEquityMattersDividendsDeclaredDetails", "http://www.ironmountain.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventTypeDomain": { "auth_ref": [ "r557" ], "lang": { "en-US": { "role": { "documentation": "Event that occurred after the balance sheet date but before financial statements are issued or available to be issued.", "label": "Subsequent Event Type [Domain]", "terseLabel": "Subsequent Event Type [Domain]" } } }, "localname": "SubsequentEventTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DivestmentsAdditionalInformationDetails", "http://www.ironmountain.com/role/StockholdersEquityMattersDividendsDeclaredDetails", "http://www.ironmountain.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SubsequentEventsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Subsequent Events [Abstract]" } } }, "localname": "SubsequentEventsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventsTextBlock": { "auth_ref": [ "r559" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.", "label": "Subsequent Events [Text Block]", "terseLabel": "Subsequent Events" } } }, "localname": "SubsequentEventsTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SubsequentEvents" ], "xbrltype": "textBlockItemType" }, "us-gaap_SubsidiarySaleOfStockAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by type of sale of the entity's stock.", "label": "Sale of Stock [Axis]", "terseLabel": "Sale of Stock [Axis]" } } }, "localname": "SubsidiarySaleOfStockAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity", "http://www.ironmountain.com/role/StockholdersEquityMattersAdditionalInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SummaryOfIncomeTaxExaminationsTextBlock": { "auth_ref": [ "r388", "r410" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of income tax examinations that an enterprise is currently subject to or that have been completed in the current period typically including a description of the examination, the jurisdiction conducting the examination, the tax year(s) under examination, the likelihood of an unfavorable settlement, the range of possible losses, the liability recorded, the increase or decrease in the liability from the prior period, and any penalties and interest that have been recorded.", "label": "Summary of Income Tax Examinations [Table Text Block]", "terseLabel": "Tax years subject to examination by major tax jurisdictions" } } }, "localname": "SummaryOfIncomeTaxExaminationsTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_SummaryOfValuationAllowanceTextBlock": { "auth_ref": [ "r400" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of valuation allowances to reduce deferred tax assets to net realizable value, including identification of the deferred tax asset more likely than not will not be fully realized and the corresponding amount of the valuation allowance.", "label": "Summary of Valuation Allowance [Table Text Block]", "terseLabel": "Roll forward of Valuation allowance" } } }, "localname": "SummaryOfValuationAllowanceTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_SupplementalCashFlowInformationAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Supplemental Cash Flow Information [Abstract]", "terseLabel": "Supplemental Information:" } } }, "localname": "SupplementalCashFlowInformationAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_TaxAndCustomsAdministrationNetherlandsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Designated tax department of the government of the Netherlands.", "label": "Tax and Customs Administration, Netherlands [Member]", "terseLabel": "Tax and Customs Administration, Netherlands" } } }, "localname": "TaxAndCustomsAdministrationNetherlandsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/CommitmentsAndContingenciesAdditionalInformationDetails", "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesImmaterialRestatementNarrativeDetailsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefit": { "auth_ref": [ "r409" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of income tax expense (benefit) from effect of Tax Cuts and Jobs Act.", "label": "Tax Cuts and Jobs Act, Income Tax Expense (Benefit)", "terseLabel": "Tax expense" } } }, "localname": "TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_TaxCutsAndJobsActOf2017TransitionTaxForAccumulatedForeignEarningsIncomeTaxExpense": { "auth_ref": [ "r409" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of income tax expense from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act.", "label": "Tax Cuts and Jobs Act, Transition Tax for Accumulated Foreign Earnings, Income Tax Expense", "terseLabel": "Transition tax" } } }, "localname": "TaxCutsAndJobsActOf2017TransitionTaxForAccumulatedForeignEarningsIncomeTaxExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_TemporaryEquityAccretionOfDividends": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Value of accretion of temporary equity during the period due to unpaid dividends.", "label": "Temporary Equity, Accretion of Dividends", "terseLabel": "Noncontrolling interests dividends" } } }, "localname": "TemporaryEquityAccretionOfDividends", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_TemporaryEquityForeignCurrencyTranslationAdjustments": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Adjustments to temporary equity resulting from foreign currency translation adjustments.", "label": "Temporary Equity, Foreign Currency Translation Adjustments", "terseLabel": "Foreign currency translation adjustment" } } }, "localname": "TemporaryEquityForeignCurrencyTranslationAdjustments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_TemporaryEquityNetIncome": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The portion of net income or loss attributable to temporary equity interest.", "label": "Temporary Equity, Net Income", "terseLabel": "Net income (loss)" } } }, "localname": "TemporaryEquityNetIncome", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_TradingSecurities": { "auth_ref": [ "r593" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).", "label": "Debt Securities, Trading, and Equity Securities, FV-NI", "verboseLabel": "Trading Securities" } } }, "localname": "TradingSecurities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesFairValueMeasurementsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseGrossOfTax": { "auth_ref": [ "r507" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, before tax, of increase (decrease) in the cumulative translation adjustment from gain (loss) on foreign currency derivatives that are designated as, and are effective as, economic hedges of a net investment in a foreign entity.", "label": "Derivatives used in Net Investment Hedge, Increase (Decrease), Gross of Tax", "terseLabel": "Foreign exchange gains (losses)" } } }, "localname": "TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseGrossOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesScheduleOfForeignExchangeGainsRelatedToFairOfDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_TypeOfAdoptionMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Adoption and early adoption of sources of change to generally accepted accounting principles (GAAP) in the United States. The FASB released the FASB Accounting Standards Codification as the authoritative source of literature effective for interim and annual periods ending after September 15, 2009. As part of the Codification process, the FASB issues Accounting Standards Updates to amend the Codification but otherwise the Accounting Standards Updates are not authoritative in their own right. All previous accounting standards (such as FASB Statements of Financial Accounting Standards, FASB Interpretations, FASB Staff Positions, Emerging Issues Task Force Consensuses, other pronouncements of the FASB or other designated bodies, or other forms of GAAP are considered accounting pronouncements) were superseded upon the adoption of the Codification. For an interim period, references to the superseded standards are included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.", "label": "Type of Adoption [Domain]", "terseLabel": "Type of Adoption [Domain]" } } }, "localname": "TypeOfAdoptionMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfEquity", "http://www.ironmountain.com/role/SegmentInformationRevenueAndExpendituresDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesNarrativeDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesRevenueNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_UnamortizedDebtIssuanceExpense": { "auth_ref": [ "r65" ], "calculation": { "http://www.ironmountain.com/role/DebtMaturitiesOfLongTermDebtDetails": { "order": 8.0, "parentTag": "us-gaap_LongTermDebt", "weight": -1.0 }, "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.", "label": "Unamortized Debt Issuance Expense", "negatedTerseLabel": "Net Deferred Financing Costs", "negatedTotalLabel": "Unamortized Deferred Financing Costs" } } }, "localname": "UnamortizedDebtIssuanceExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtMaturitiesOfLongTermDebtDetails", "http://www.ironmountain.com/role/DebtScheduleOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrealizedGainLossOnDerivatives": { "auth_ref": [ "r141" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.", "label": "Unrealized Gain (Loss) on Derivatives", "negatedLabel": "Unrealized losses" } } }, "localname": "UnrealizedGainLossOnDerivatives", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DerivativeInstrumentsAndHedgingActivitiesNetInvestmentHedgesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefits": { "auth_ref": [ "r376", "r389" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of unrecognized tax benefits.", "label": "Unrecognized Tax Benefits", "periodEndLabel": "Gross tax contingencies - end of the period", "periodStartLabel": "Gross tax contingencies - beginning of the period", "terseLabel": "Unrecognized tax benefits" } } }, "localname": "UnrecognizedTaxBenefits", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails", "http://www.ironmountain.com/role/IncomeTaxesReconciliationOfUnrecognizedTaxBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions": { "auth_ref": [ "r390" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.", "label": "Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions", "negatedLabel": "Gross reductions for tax positions of prior years" } } }, "localname": "UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesReconciliationOfUnrecognizedTaxBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities": { "auth_ref": [ "r392" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.", "label": "Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities", "negatedLabel": "Settlements" } } }, "localname": "UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesReconciliationOfUnrecognizedTaxBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued": { "auth_ref": [ "r386" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.", "label": "Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued", "terseLabel": "Accrued interest and penalties recorded" } } }, "localname": "UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense": { "auth_ref": [ "r386" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.", "label": "Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense", "verboseLabel": "Increase in gross interest and penalties recorded" } } }, "localname": "UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions": { "auth_ref": [ "r391" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.", "label": "Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions", "terseLabel": "Gross additions based on tax positions related to the current year" } } }, "localname": "UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesReconciliationOfUnrecognizedTaxBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions": { "auth_ref": [ "r390" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.", "label": "Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions", "terseLabel": "Gross additions for tax positions of prior years" } } }, "localname": "UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesReconciliationOfUnrecognizedTaxBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations": { "auth_ref": [ "r393" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.", "label": "Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations", "negatedLabel": "Lapses of statutes" } } }, "localname": "UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesReconciliationOfUnrecognizedTaxBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate": { "auth_ref": [ "r394" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.", "label": "Unrecognized Tax Benefits that Would Impact Effective Tax Rate", "terseLabel": "Unrecognized tax benefits that would impact tax rate" } } }, "localname": "UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UseOfEstimates": { "auth_ref": [ "r194", "r195", "r197", "r198", "r201", "r202", "r203" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles.", "label": "Use of Estimates, Policy [Policy Text Block]", "terseLabel": "Use of Estimates" } } }, "localname": "UseOfEstimates", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ValuationAllowanceLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Valuation Allowance [Line Items]", "terseLabel": "Valuation Allowance [Line Items]" } } }, "localname": "ValuationAllowanceLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAllowanceForDoubtfulAccountsAndCreditMemoReservesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember": { "auth_ref": [ "r169" ], "lang": { "en-US": { "role": { "documentation": "Valuation allowance of deferred tax asset attributable to deductible temporary difference and carryforward.", "label": "SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member]", "terseLabel": "Valuation Allowance of Deferred Tax Assets" } } }, "localname": "ValuationAllowanceOfDeferredTaxAssetsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesRollforwardOfValuationAllowanceDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ValuationAllowanceTable": { "auth_ref": [ "r400" ], "lang": { "en-US": { "role": { "documentation": "A listing of an entity's valuation allowances to reduce deferred tax assets to amounts which it is more likely than not will not be realized, including a description of the deferred tax assets for which the valuation allowance has been recorded and the amount of the valuation allowance.", "label": "Valuation Allowance [Table]", "terseLabel": "Valuation Allowance [Table]" } } }, "localname": "ValuationAllowanceTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAllowanceForDoubtfulAccountsAndCreditMemoReservesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ValuationAllowancesAndReservesBalance": { "auth_ref": [ "r170" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of valuation and qualifying accounts and reserves.", "label": "SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount", "periodEndLabel": "Balance at End of the Year", "periodStartLabel": "Balance at Beginning of the Year" } } }, "localname": "ValuationAllowancesAndReservesBalance", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAllowanceForDoubtfulAccountsAndCreditMemoReservesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense": { "auth_ref": [ "r170" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense.", "label": "SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense", "terseLabel": "Allowance for Bad Debts Charged to Expense", "verboseLabel": "Charged (Credited) to Expense" } } }, "localname": "ValuationAllowancesAndReservesChargedToCostAndExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesRollforwardOfValuationAllowanceDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAllowanceForDoubtfulAccountsAndCreditMemoReservesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts": { "auth_ref": [ "r170" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in valuation and qualifying accounts and reserves from charge to accounts other than cost and expense.", "label": "SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account", "terseLabel": "Credit Memos Charged to Revenue", "verboseLabel": "Other Increases/(Decreases)" } } }, "localname": "ValuationAllowancesAndReservesChargedToOtherAccounts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesRollforwardOfValuationAllowanceDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAllowanceForDoubtfulAccountsAndCreditMemoReservesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ValuationAllowancesAndReservesDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Valuation and qualifying accounts and reserves.", "label": "SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain]", "terseLabel": "SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain]" } } }, "localname": "ValuationAllowancesAndReservesDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesRollforwardOfValuationAllowanceDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAllowanceForDoubtfulAccountsAndCreditMemoReservesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ValuationAllowancesAndReservesPeriodIncreaseDecrease": { "auth_ref": [ "r170" ], "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in valuation and qualifying accounts and reserves.", "label": "SEC Schedule, 12-09, Valuation Allowances and Reserves, Period Increase (Decrease)", "terseLabel": "Deductions and Other" } } }, "localname": "ValuationAllowancesAndReservesPeriodIncreaseDecrease", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAllowanceForDoubtfulAccountsAndCreditMemoReservesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ValuationAllowancesAndReservesTypeAxis": { "auth_ref": [ "r170" ], "lang": { "en-US": { "role": { "documentation": "Information by valuation and qualifying accounts and reserves.", "label": "SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis]", "terseLabel": "SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis]" } } }, "localname": "ValuationAllowancesAndReservesTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/IncomeTaxesRollforwardOfValuationAllowanceDetails", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesAllowanceForDoubtfulAccountsAndCreditMemoReservesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_VariableLeaseCost": { "auth_ref": [ "r537", "r545" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.", "label": "Variable Lease, Cost", "terseLabel": "Variable lease costs" } } }, "localname": "VariableLeaseCost", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesLeasesCostsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_VariableRateAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by type of variable rate.", "label": "Variable Rate [Axis]", "terseLabel": "Variable Rate [Axis]" } } }, "localname": "VariableRateAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtAustralianDollarTermLoanDetails" ], "xbrltype": "stringItemType" }, "us-gaap_VariableRateDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Interest rate that fluctuates over time as a result of an underlying benchmark interest rate or index.", "label": "Variable Rate [Domain]", "terseLabel": "Variable Rate [Domain]" } } }, "localname": "VariableRateDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/DebtAustralianDollarTermLoanDetails" ], "xbrltype": "domainItemType" }, "us-gaap_VestingAxis": { "auth_ref": [ "r371" ], "lang": { "en-US": { "role": { "documentation": "Information by vesting schedule of award under share-based payment arrangement.", "label": "Vesting [Axis]", "terseLabel": "Vesting [Axis]" } } }, "localname": "VestingAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_VestingDomain": { "auth_ref": [ "r371" ], "lang": { "en-US": { "role": { "documentation": "Vesting schedule of award under share-based payment arrangement.", "label": "Vesting [Domain]", "terseLabel": "Vesting [Domain]" } } }, "localname": "VestingDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesStockBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding": { "auth_ref": [ "r180", "r185" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "lang": { "en-US": { "role": { "documentation": "The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.", "label": "Weighted Average Number of Shares Outstanding, Diluted", "terseLabel": "Weighted Average Common Shares Outstanding-Diluted (in shares)", "totalLabel": "Weighted-average shares\u2014diluted (in shares)" } } }, "localname": "WeightedAverageNumberOfDilutedSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic": { "auth_ref": [ "r178", "r185" ], "calculation": { "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails": { "order": 1.0, "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.", "label": "Weighted Average Number of Shares Outstanding, Basic", "terseLabel": "Weighted Average Common Shares Outstanding-Basic (in shares)", "verboseLabel": "Weighted-average shares\u2014basic (in shares)" } } }, "localname": "WeightedAverageNumberOfSharesOutstandingBasic", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.ironmountain.com/role/ConsolidatedStatementsOfOperations", "http://www.ironmountain.com/role/SummaryOfSignificantAccountingPoliciesIncomeLossPerShareBasicAndDilutedDetails" ], "xbrltype": "sharesItemType" } }, "unitCount": 25 } }, "std_ref": { "r0": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222160&loc=d3e1107-107759" }, "r1": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222160&loc=SL51721533-107759" }, "r10": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=d3e1474-107760" }, "r100": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e557-108580" }, "r101": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116657188&loc=SL116659661-227067" }, "r102": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118951672&loc=d3e1436-108581" }, "r103": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(13))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868656-224227" }, "r104": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(1))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r105": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(10))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r106": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(12))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r107": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(14))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r108": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(2)(a))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r109": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(2)(d))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r11": { "Name": "Accounting Standards Codification", "Paragraph": "3A", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721659-107760" }, "r110": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(21))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r111": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r112": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.1(e))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r113": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.1)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r114": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.2(a),(d))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r115": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.2)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r116": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.4)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r117": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.7(b))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r118": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.9)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r119": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r12": { "Name": "Accounting Standards Codification", "Paragraph": "4A", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721663-107760" }, "r120": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585" }, "r121": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585" }, "r122": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585" }, "r123": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585" }, "r124": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585" }, "r125": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585" }, "r126": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585" }, "r127": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585" }, "r128": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585" }, "r129": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585" }, "r13": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(3)", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721665-107760" }, "r130": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585" }, "r131": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585" }, "r132": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585" }, "r133": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3337-108585" }, "r134": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3367-108585" }, "r135": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3000-108585" }, "r136": { "Name": "Accounting Standards Codification", "Paragraph": "21B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=SL94080549-108585" }, "r137": { "Name": "Accounting Standards Codification", "Paragraph": "24", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585" }, "r138": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585" }, "r139": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585" }, "r14": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721665-107760" }, "r140": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585" }, "r141": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585" }, "r142": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585" }, "r143": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3044-108585" }, "r144": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4273-108586" }, "r145": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4297-108586" }, "r146": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586" }, "r147": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586" }, "r148": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586" }, "r149": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=SL98516268-108586" }, "r15": { "Name": "Accounting Standards Codification", "Paragraph": "5A", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721671-107760" }, "r150": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=84158767&loc=d3e18726-107790" }, "r151": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790" }, "r152": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=84158767&loc=d3e18823-107790" }, "r153": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(h)(1))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r154": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(h)(2))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r155": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(h))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r156": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(k)(1))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r157": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(k))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r158": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(d),(e))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r159": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(e),(f))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r16": { "Name": "Accounting Standards Codification", "Paragraph": "5B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760" }, "r160": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(f))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r161": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(h)(1)(i))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r162": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(h)(2))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r163": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(h))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r164": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(k)(1))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r165": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(n)(2))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r166": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(n))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r167": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.12-04(a))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690" }, "r168": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.12-04.(a))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690" }, "r169": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.12-09(ColumnA))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690" }, "r17": { "Name": "Accounting Standards Codification", "Paragraph": "5B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760" }, "r170": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.12-09)", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690" }, "r171": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "235", "URI": "http://asc.fasb.org/topic&trid=2122369" }, "r172": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794" }, "r173": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794" }, "r174": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22644-107794" }, "r175": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22658-107794" }, "r176": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22663-107794" }, "r177": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 1.N)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=112272810&loc=d3e30840-122693" }, "r178": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1448-109256" }, "r179": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1377-109256" }, "r18": { "Name": "Accounting Standards Codification", "Paragraph": "5B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)(1)", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760" }, "r180": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1505-109256" }, "r181": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1252-109256" }, "r182": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1278-109256" }, "r183": { "Name": "Accounting Standards Codification", "Paragraph": "60B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=SL5780133-109256" }, "r184": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1337-109256" }, "r185": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257" }, "r186": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257" }, "r187": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257" }, "r188": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3630-109257" }, "r189": { "Name": "Accounting Standards Codification", "Paragraph": "52", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117327953&loc=d3e4984-109258" }, "r19": { "Name": "Accounting Standards Codification", "Paragraph": "5B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(e)", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760" }, "r190": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "270", "URI": "http://asc.fasb.org/extlink&oid=118952077&loc=d3e1280-108306" }, "r191": { "Name": "Accounting Standards Codification", "Paragraph": "6A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "270", "URI": "http://asc.fasb.org/extlink&oid=118952077&loc=SL77927221-108306" }, "r192": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "270", "URI": "http://asc.fasb.org/topic&trid=2126967" }, "r193": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592" }, "r194": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592" }, "r195": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592" }, "r196": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592" }, "r197": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6161-108592" }, "r198": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6191-108592" }, "r199": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592" }, "r2": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222160&loc=SL51721494-107759" }, "r20": { "Name": "Accounting Standards Codification", "Paragraph": "5B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760" }, "r200": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592" }, "r201": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6061-108592" }, "r202": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6132-108592" }, "r203": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6143-108592" }, "r204": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "275", "URI": "http://asc.fasb.org/topic&trid=2134479" }, "r205": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8657-108599" }, "r206": { "Name": "Accounting Standards Codification", "Paragraph": "21", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8721-108599" }, "r207": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r208": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r209": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r21": { "Name": "Accounting Standards Codification", "Paragraph": "5C", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)(2)", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721675-107760" }, "r210": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r211": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r212": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r213": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r214": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599" }, "r215": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599" }, "r216": { "Name": "Accounting Standards Codification", "Paragraph": "30", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8906-108599" }, "r217": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599" }, "r218": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599" }, "r219": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599" }, "r22": { "Name": "Accounting Standards Codification", "Paragraph": "5C", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(2)", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721675-107760" }, "r220": { "Name": "Accounting Standards Codification", "Paragraph": "40", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e9031-108599" }, "r221": { "Name": "Accounting Standards Codification", "Paragraph": "41", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599" }, "r222": { "Name": "Accounting Standards Codification", "Paragraph": "41", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599" }, "r223": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "280", "URI": "http://asc.fasb.org/topic&trid=2134510" }, "r224": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522" }, "r225": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118952595&loc=d3e4531-111522" }, "r226": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=d3e5074-111524" }, "r227": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=d3e5144-111524" }, "r228": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 4.E)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707" }, "r229": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "25", "SubTopic": "10", "Topic": "323", "URI": "http://asc.fasb.org/extlink&oid=117311354&loc=d3e32014-111567" }, "r23": { "Name": "Accounting Standards Codification", "Paragraph": "5C", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721675-107760" }, "r230": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "323", "URI": "http://asc.fasb.org/extlink&oid=109237563&loc=d3e33749-111570" }, "r231": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "323", "URI": "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571" }, "r232": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=118955202&loc=SL82895884-210446" }, "r233": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "30", "SubTopic": "10", "Topic": "330", "URI": "http://asc.fasb.org/extlink&oid=68048583&loc=d3e3636-108311" }, "r234": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Subparagraph": "(b)", "Topic": "340", "URI": "http://asc.fasb.org/extlink&oid=68051541&loc=SL49131251-203054" }, "r235": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Subparagraph": "(b)", "Topic": "340", "URI": "http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054" }, "r236": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Topic": "340", "URI": "http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054" }, "r237": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266" }, "r238": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975" }, "r239": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267" }, "r24": { "Name": "Accounting Standards Codification", "Paragraph": "5D", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721677-107760" }, "r240": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267" }, "r241": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267" }, "r242": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(f)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267" }, "r243": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267" }, "r244": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(h)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267" }, "r245": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267" }, "r246": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267" }, "r247": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274" }, "r248": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275" }, "r249": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)(3)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275" }, "r25": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760" }, "r250": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(d)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275" }, "r251": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275" }, "r252": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r253": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)(1)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r254": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)(2)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r255": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)(3)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r256": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(d)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r257": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228" }, "r258": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228" }, "r259": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r26": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/subtopic&trid=2122178" }, "r260": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r261": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r262": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r263": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230" }, "r264": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230" }, "r265": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230" }, "r266": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230" }, "r267": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230" }, "r268": { "Name": "Accounting Standards Codification", "Paragraph": "3A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=SL51724579-110230" }, "r269": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "360", "URI": "http://asc.fasb.org/topic&trid=2155823" }, "r27": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765" }, "r270": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "410", "URI": "http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849" }, "r271": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869" }, "r272": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869" }, "r273": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869" }, "r274": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB TOPIC 5.P.3)", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747" }, "r275": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.P.3)", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747" }, "r276": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB TOPIC 5.P.4)", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747" }, "r277": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.P.4(b))", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747" }, "r278": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.P.4(d))", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747" }, "r279": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "420", "URI": "http://asc.fasb.org/topic&trid=2175745" }, "r28": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765" }, "r280": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "440", "URI": "http://asc.fasb.org/topic&trid=2144648" }, "r281": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349" }, "r282": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14615-108349" }, "r283": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14394-108349" }, "r284": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14435-108349" }, "r285": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14435-108349" }, "r286": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14453-108349" }, "r287": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14472-108349" }, "r288": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14557-108349" }, "r289": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14557-108349" }, "r29": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765" }, "r290": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "450", "URI": "http://asc.fasb.org/topic&trid=2127136" }, "r291": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "460", "URI": "http://asc.fasb.org/extlink&oid=118943654&loc=d3e12021-110248" }, "r292": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "460", "URI": "http://asc.fasb.org/extlink&oid=118943654&loc=d3e12053-110248" }, "r293": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601" }, "r294": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=6802200&loc=SL6230698-112601" }, "r295": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.3-10(d)(4)(iii))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=116634808&loc=d3e168853-122756" }, "r296": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.3-10(d)(4)(iv))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=116634808&loc=d3e168853-122756" }, "r297": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(1)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870" }, "r298": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(3)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870" }, "r299": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870" }, "r3": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222160&loc=d3e957-107759" }, "r30": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765" }, "r300": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "40", "SubTopic": "50", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=117329964&loc=d3e12317-112629" }, "r301": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "40", "SubTopic": "50", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=117329964&loc=d3e12355-112629" }, "r302": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "470", "URI": "http://asc.fasb.org/topic&trid=2208564" }, "r303": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(CFRR 211.02)", "Topic": "480", "URI": "http://asc.fasb.org/extlink&oid=65877616&loc=d3e177068-122764" }, "r304": { "Name": "Accounting Standards Codification", "Paragraph": "3A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(12)(c)", "Topic": "480", "URI": "http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764" }, "r305": { "Name": "Accounting Standards Codification", "Paragraph": "3A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(16)(c)", "Topic": "480", "URI": "http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764" }, "r306": { "Name": "Accounting Standards Codification", "Paragraph": "3A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(3)", "Topic": "480", "URI": "http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764" }, "r307": { "Name": "Accounting Standards Codification", "Paragraph": "3A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "14", "Topic": "480", "URI": "http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764" }, "r308": { "Name": "Accounting Standards Codification", "Paragraph": "3A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "15", "Topic": "480", "URI": "http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764" }, "r309": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=65888546&loc=d3e21300-112643" }, "r31": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6801-107765" }, "r310": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21459-112644" }, "r311": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21553-112644" }, "r312": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644" }, "r313": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644" }, "r314": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21484-112644" }, "r315": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21488-112644" }, "r316": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21506-112644" }, "r317": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21521-112644" }, "r318": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21538-112644" }, "r319": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.3-04)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770" }, "r32": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6904-107765" }, "r320": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770" }, "r321": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "505", "URI": "http://asc.fasb.org/topic&trid=2208762" }, "r322": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044" }, "r323": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944033&loc=SL49130532-203044" }, "r324": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944033&loc=SL49130533-203044" }, "r325": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130551-203045" }, "r326": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045" }, "r327": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045" }, "r328": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045" }, "r329": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944142&loc=SL49130690-203046-203046" }, "r33": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6911-107765" }, "r330": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944142&loc=SL49130690-203046-203046" }, "r331": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=113356391&loc=SL49131195-203048" }, "r332": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "606", "URI": "http://asc.fasb.org/topic&trid=49130388" }, "r333": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(ii)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r334": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(iv)(01)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r335": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(n)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r336": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921" }, "r337": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901" }, "r338": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901" }, "r339": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901" }, "r34": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6935-107765" }, "r340": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901" }, "r341": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r342": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r343": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(3)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r344": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a),(g)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r345": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b),(f(1))", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r346": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r347": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(i)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r348": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(i)-(ii)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r349": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iii)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r35": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e7018-107765" }, "r350": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iv)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r351": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iv)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r352": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iv)(3)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r353": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iv)(4)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r354": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r355": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(i)-(ii)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r356": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r357": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r358": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)(3)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r359": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r36": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(1))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r360": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r361": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r362": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r363": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r364": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r365": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)(i)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r366": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)(ii)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r367": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)(iii)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r368": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)(iv)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r369": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)(1)(i)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r37": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(11))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r370": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(i)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r371": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r372": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 14.D.2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809" }, "r373": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 14.F)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809" }, "r374": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "25", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=117330534&loc=d3e28680-109314" }, "r375": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "25", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=117330534&loc=d3e28680-109314" }, "r376": { "Name": "Accounting Standards Codification", "Paragraph": "10B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=SL37586934-109318" }, "r377": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=d3e32059-109318" }, "r378": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=d3e32123-109318" }, "r379": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=d3e32247-109318" }, "r38": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(13))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r380": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=d3e32280-109318" }, "r381": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=d3e31917-109318" }, "r382": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=d3e31931-109318" }, "r383": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32672-109319" }, "r384": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319" }, "r385": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319" }, "r386": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319" }, "r387": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319" }, "r388": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319" }, "r389": { "Name": "Accounting Standards Codification", "Paragraph": "15A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319" }, "r39": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(14))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r390": { "Name": "Accounting Standards Codification", "Paragraph": "15A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319" }, "r391": { "Name": "Accounting Standards Codification", "Paragraph": "15A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(2)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319" }, "r392": { "Name": "Accounting Standards Codification", "Paragraph": "15A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(3)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319" }, "r393": { "Name": "Accounting Standards Codification", "Paragraph": "15A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(4)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319" }, "r394": { "Name": "Accounting Standards Codification", "Paragraph": "15A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319" }, "r395": { "Name": "Accounting Standards Codification", "Paragraph": "15A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319" }, "r396": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32809-109319" }, "r397": { "Name": "Accounting Standards Codification", "Paragraph": "19", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32840-109319" }, "r398": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319" }, "r399": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b),(c)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319" }, "r4": { "Name": "Accounting Standards Codification", "Paragraph": "3A", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222160&loc=SL51721523-107759" }, "r40": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(19))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r400": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319" }, "r401": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319" }, "r402": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32847-109319" }, "r403": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319" }, "r404": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319" }, "r405": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32621-109319" }, "r406": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32632-109319" }, "r407": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319" }, "r408": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319" }, "r409": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319" }, "r41": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(20))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r410": { "Name": "Accounting Standards Codification", "Paragraph": "217", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=117331294&loc=d3e36027-109320" }, "r411": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB TOPIC 6.I)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817" }, "r412": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 6.I.7)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817" }, "r413": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=109238882&loc=d3e38679-109324" }, "r414": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=109238882&loc=d3e38679-109324" }, "r415": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "05", "SubTopic": "30", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=65884525&loc=d3e40913-109327" }, "r416": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "740", "URI": "http://asc.fasb.org/topic&trid=2144680" }, "r417": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "25", "SubTopic": "10", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=116868678&loc=d3e961-128460" }, "r418": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463" }, "r419": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463" }, "r42": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(22))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r420": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)(3)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463" }, "r421": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)(2)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463" }, "r422": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)(3)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463" }, "r423": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463" }, "r424": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1486-128463" }, "r425": { "Name": "Accounting Standards Codification", "Paragraph": "37", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=116868840&loc=d3e2207-128464" }, "r426": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472" }, "r427": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(e)(1)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472" }, "r428": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472" }, "r429": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=77890550&loc=d3e5227-128473" }, "r43": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(24))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r430": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=77890550&loc=d3e5333-128473" }, "r431": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "25", "SubTopic": "30", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476" }, "r432": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "30", "SubTopic": "30", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477" }, "r433": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "30", "SubTopic": "30", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=116859721&loc=d3e6613-128477" }, "r434": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "35", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=116859824&loc=d3e6819-128478" }, "r435": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479" }, "r436": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)(1)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479" }, "r437": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)(4)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479" }, "r438": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(c)(1)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479" }, "r439": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "805", "URI": "http://asc.fasb.org/topic&trid=2303972" }, "r44": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(26)(a))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r440": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=d3e5283-111683" }, "r441": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4568447-111683" }, "r442": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4568740-111683" }, "r443": { "Name": "Accounting Standards Codification", "Paragraph": "19", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4569616-111683" }, "r444": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4569643-111683" }, "r445": { "Name": "Accounting Standards Codification", "Paragraph": "21", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4613674-111683" }, "r446": { "Name": "Accounting Standards Codification", "Paragraph": "23", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4569655-111683" }, "r447": { "Name": "Accounting Standards Codification", "Paragraph": "24", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4616395-111683" }, "r448": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=d3e5614-111684" }, "r449": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684" }, "r45": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(26)(b))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r450": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(2)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684" }, "r451": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684" }, "r452": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684" }, "r453": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(3)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684" }, "r454": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c),(3)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684" }, "r455": { "Name": "Accounting Standards Codification", "Paragraph": "4I", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=116874947&loc=SL4590271-111686" }, "r456": { "Name": "Accounting Standards Codification", "Paragraph": "4J", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=116874947&loc=SL4591551-111686" }, "r457": { "Name": "Accounting Standards Codification", "Paragraph": "4K", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=116874947&loc=SL4591552-111686" }, "r458": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.3A-02)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=116822174&loc=d3e355033-122828" }, "r459": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.3A-03)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=116822174&loc=d3e355100-122828" }, "r46": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(27))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r460": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.E)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=116822174&loc=d3e355146-122828" }, "r461": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5579240-113959" }, "r462": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959" }, "r463": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959" }, "r464": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959" }, "r465": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)(iii)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41620-113959" }, "r466": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41620-113959" }, "r467": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41638-113959" }, "r468": { "Name": "Accounting Standards Codification", "Paragraph": "4A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959" }, "r469": { "Name": "Accounting Standards Codification", "Paragraph": "4A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959" }, "r47": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(28))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r470": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a),(c)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959" }, "r471": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959" }, "r472": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959" }, "r473": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959" }, "r474": { "Name": "Accounting Standards Codification", "Paragraph": "4C", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959" }, "r475": { "Name": "Accounting Standards Codification", "Paragraph": "4C", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959" }, "r476": { "Name": "Accounting Standards Codification", "Paragraph": "4CC", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL109998890-113959" }, "r477": { "Name": "Accounting Standards Codification", "Paragraph": "4CCC", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL109998896-113959" }, "r478": { "Name": "Accounting Standards Codification", "Paragraph": "4D", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959" }, "r479": { "Name": "Accounting Standards Codification", "Paragraph": "4D", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(6)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959" }, "r48": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(29))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r480": { "Name": "Accounting Standards Codification", "Paragraph": "4D", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959" }, "r481": { "Name": "Accounting Standards Codification", "Paragraph": "4E", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624181-113959" }, "r482": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41641-113959" }, "r483": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41675-113959" }, "r484": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41678-113959" }, "r485": { "Name": "Accounting Standards Codification", "Paragraph": "182", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=116861445&loc=SL5629052-113961" }, "r486": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "25", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109977999&loc=d3e76258-113986" }, "r487": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "815", "URI": "http://asc.fasb.org/topic&trid=2229140" }, "r488": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r489": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r49": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(3)(a)(2))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r490": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(bb)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r491": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(bbb)(1)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r492": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(bbb)(2)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r493": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r494": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r495": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19279-110258" }, "r496": { "Name": "Accounting Standards Codification", "Paragraph": "6A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=SL6742756-110258" }, "r497": { "Name": "Accounting Standards Codification", "Paragraph": "6A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=SL6742756-110258" }, "r498": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=116690757&loc=d3e13220-108610" }, "r499": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611" }, "r5": { "Name": "Accounting Standards Codification", "Paragraph": "3B", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222160&loc=SL51721525-107759" }, "r50": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(3))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r500": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13531-108611" }, "r501": { "Name": "Accounting Standards Codification", "Paragraph": "21", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13537-108611" }, "r502": { "Name": "Accounting Standards Codification", "Paragraph": "21", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13537-108611" }, "r503": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=109240200&loc=d3e30690-110894" }, "r504": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=109240200&loc=d3e30700-110894" }, "r505": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895" }, "r506": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "230", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=98513438&loc=d3e33268-110906" }, "r507": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900" }, "r508": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Subparagraph": "(b,c)", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900" }, "r509": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Subparagraph": "(d)", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900" }, "r51": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30)(a)(1))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r510": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901" }, "r511": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "15", "SubTopic": "20", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=6450852&loc=d3e24871-108386" }, "r512": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391" }, "r513": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28541-108399" }, "r514": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399" }, "r515": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399" }, "r516": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "55", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400" }, "r517": { "Name": "Accounting Standards Codification", "Paragraph": "40", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(Note 3)", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697" }, "r518": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717" }, "r519": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717" }, "r52": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r520": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717" }, "r521": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717" }, "r522": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=84164653&loc=d3e41551-112718" }, "r523": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737" }, "r524": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=119364159&loc=SL77916155-209984" }, "r525": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977" }, "r526": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977" }, "r527": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918638-209977" }, "r528": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918638-209977" }, "r529": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977" }, "r53": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(31))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r530": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977" }, "r531": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977" }, "r532": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918666-209980" }, "r533": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)(3)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980" }, "r534": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980" }, "r535": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r536": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r537": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r538": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(e)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r539": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(f)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r54": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(32))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r540": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)(1)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r541": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)(3)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r542": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)(4)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r543": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r544": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980" }, "r545": { "Name": "Accounting Standards Codification", "Paragraph": "53", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971" }, "r546": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888421&loc=SL77919311-209978" }, "r547": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=119202524&loc=SL77919372-209981" }, "r548": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888430&loc=SL77919786-209982" }, "r549": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864" }, "r55": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(4)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r550": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864" }, "r551": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864" }, "r552": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864" }, "r553": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864" }, "r554": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39678-107864" }, "r555": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39691-107864" }, "r556": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "850", "URI": "http://asc.fasb.org/topic&trid=2122745" }, "r557": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "855", "URI": "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662" }, "r558": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "855", "URI": "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314020-165662" }, "r559": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "855", "URI": "http://asc.fasb.org/topic&trid=2122774" }, "r56": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(4))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r560": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(bb)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719" }, "r561": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(bb)(1)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719" }, "r562": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(bb)(2)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719" }, "r563": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(bb)(3)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719" }, "r564": { "Name": "Accounting Standards Codification", "Paragraph": "4D", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)(2)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=SL51823488-111719" }, "r565": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "340", "Topic": "928", "URI": "http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004" }, "r566": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-10(c)(3)(ii)(A))", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=82851474&loc=d3e511914-122862" }, "r567": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-10(c)(7)(ii))", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=82851474&loc=d3e511914-122862" }, "r568": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61929-109447" }, "r569": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61929-109447" }, "r57": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(7))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r570": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62059-109447" }, "r571": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62059-109447" }, "r572": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62395-109447" }, "r573": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62395-109447" }, "r574": { "Name": "Accounting Standards Codification", "Paragraph": "33", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62479-109447" }, "r575": { "Name": "Accounting Standards Codification", "Paragraph": "33", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62479-109447" }, "r576": { "Name": "Accounting Standards Codification", "Paragraph": "35A", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=SL6807758-109447" }, "r577": { "Name": "Accounting Standards Codification", "Paragraph": "35A", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=SL6807758-109447" }, "r578": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(c)(1)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61872-109447" }, "r579": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(c)(2)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61872-109447" }, "r58": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(8))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r580": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "25", "SubTopic": "20", "Topic": "940", "URI": "http://asc.fasb.org/extlink&oid=68072869&loc=d3e41242-110953" }, "r581": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(1)(a))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r582": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(11))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r583": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(13))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r584": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(15)(2))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r585": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(15)(5))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r586": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(16))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r587": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(22))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r588": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(23))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r589": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03.12)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r59": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.1)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r590": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03.13,16)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r591": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03.15(5))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r592": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03.17)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r593": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03.4)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r594": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(19))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r595": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(13)(f))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r596": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(15))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r597": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(20))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r598": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(23))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r599": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04.10)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r6": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222160&loc=d3e1012-107759" }, "r60": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.11)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r600": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "405", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817" }, "r601": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "470", "Subparagraph": "e", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823" }, "r602": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "470", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823" }, "r603": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "825", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=108315417&loc=d3e61044-112788" }, "r604": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(15)(b)(2))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r605": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(16))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r606": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(12))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r607": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(15)(5))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r608": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(16))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r609": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(24))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r61": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.12)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r610": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(25))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r611": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(8))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r612": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03.(a),19)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r613": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03.15(a))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r614": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03.16)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r615": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(10))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263" }, "r616": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(11))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263" }, "r617": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(12))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263" }, "r618": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(19))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263" }, "r619": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(8))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263" }, "r62": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.13(a))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r620": { "Name": "Accounting Standards Codification", "Paragraph": "4H", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116884468&loc=SL65671331-158438" }, "r621": { "Name": "Accounting Standards Codification", "Paragraph": "13H", "Publisher": "FASB", "Section": "55", "SubTopic": "40", "Subparagraph": "(a)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=117419784&loc=SL117783719-158441" }, "r622": { "Name": "Accounting Standards Codification", "Paragraph": "13H", "Publisher": "FASB", "Section": "55", "SubTopic": "40", "Subparagraph": "(b)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=117419784&loc=SL117783719-158441" }, "r623": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "825", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=99380617&loc=SL75241803-196195" }, "r624": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=66023616&loc=d3e9120-115832" }, "r625": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.6-07.1(c))", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=116637345&loc=SL114874292-224272" }, "r626": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "310", "Subparagraph": "(SX 210.12-29(Footnote 4))", "Topic": "948", "URI": "http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014" }, "r627": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "740", "Topic": "954", "URI": "http://asc.fasb.org/extlink&oid=6491622&loc=d3e9504-115650" }, "r628": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "05", "SubTopic": "10", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=77935101&loc=d3e24546-110282" }, "r629": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Column B))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024" }, "r63": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.13)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r630": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Column D))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024" }, "r631": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Column E))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024" }, "r632": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Column F))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024" }, "r633": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Column I))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024" }, "r634": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Footnote 2))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024" }, "r635": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Footnote 4))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024" }, "r636": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Footnote 6))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024" }, "r637": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28)", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024" }, "r638": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.3-15.(a)(1)(ii))", "Topic": "974", "URI": "http://asc.fasb.org/extlink&oid=6875705&loc=d3e641549-123027" }, "r639": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b" }, "r64": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.14)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r640": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b-23" }, "r641": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "d1-1" }, "r642": { "Name": "Forms 10-K, 10-Q, 20-F", "Number": "240", "Publisher": "SEC", "Section": "13", "Subsection": "a-1-" }, "r643": { "Name": "Forms 10-K, 20-F, 40-F", "Number": "240", "Publisher": "SEC", "Section": "15", "Subsection": "d-1" }, "r644": { "Name": "Regulation 12B", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b-2" }, "r645": { "Name": "Regulation S-K (SK)", "Number": "229", "Paragraph": "(a)", "Publisher": "SEC", "Section": "303", "Subparagraph": "(5)" }, "r646": { "Name": "Regulation S-T", "Number": "232", "Publisher": "SEC", "Section": "405" }, "r647": { "Name": "Regulation S-X (SX)", "Number": "210", "Publisher": "SEC", "Section": "11", "Subsection": "03" }, "r648": { "Footnote": "2", "Name": "Regulation S-X (SX)", "Number": "210", "Publisher": "SEC", "Section": "12", "Subsection": "28" }, "r649": { "Footnote": "4", "Name": "Regulation S-X (SX)", "Number": "210", "Publisher": "SEC", "Section": "12", "Subsection": "28" }, "r65": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.17)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r650": { "Footnote": "4", "Name": "Regulation S-X (SX)", "Number": "210", "Publisher": "SEC", "Section": "12", "Subsection": "29" }, "r651": { "Footnote": "6", "Name": "Regulation S-X (SX)", "Number": "210", "Publisher": "SEC", "Section": "12", "Subsection": "28" }, "r652": { "Name": "Regulation S-X (SX)", "Number": "210", "Paragraph": "(a)", "Publisher": "SEC", "Section": "12", "Subsection": "04" }, "r653": { "Name": "Regulation S-X (SX)", "Number": "210", "Paragraph": "Column B", "Publisher": "SEC", "Section": "12", "Subsection": "28" }, "r654": { "Name": "Regulation S-X (SX)", "Number": "210", "Paragraph": "a", "Publisher": "SEC", "Section": "12", "Subsection": "04" }, "r655": { "Name": "Regulation S-X (SX)", "Number": "210", "Publisher": "SEC", "Section": "12", "Subsection": "28" }, "r656": { "Name": "Regulation S-X (SX)", "Number": "210", "Paragraph": "d", "Publisher": "SEC", "Section": "3", "Subparagraph": "(4)(iii)", "Subsection": "10" }, "r657": { "Name": "Regulation S-X (SX)", "Number": "210", "Paragraph": "d", "Publisher": "SEC", "Section": "3", "Subparagraph": "(4)(iv)", "Subsection": "10" }, "r658": { "Name": "Regulation S-X (SX)", "Number": "210", "Paragraph": "i", "Publisher": "SEC", "Section": "3", "Subsection": "10" }, "r659": { "Name": "Regulation S-X (SX)", "Number": "210", "Paragraph": "c", "Publisher": "SEC", "Section": "5", "Subparagraph": "Schedule III", "Subsection": "04" }, "r66": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19(a))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r67": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19(b),22(b))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r68": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19,20)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r69": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.20)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r7": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760" }, "r70": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.21)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r71": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.22(a)(1))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r72": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.22)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r73": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.23)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r74": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.24)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r75": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.25)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r76": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.28,29)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r77": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.29-31)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r78": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.31)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r79": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.9)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r8": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760" }, "r80": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312" }, "r81": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312" }, "r82": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313" }, "r83": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313" }, "r84": { "Name": "Accounting Standards Codification", "Paragraph": "10A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580" }, "r85": { "Name": "Accounting Standards Codification", "Paragraph": "10A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a),(b),(c)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580" }, "r86": { "Name": "Accounting Standards Codification", "Paragraph": "10A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580" }, "r87": { "Name": "Accounting Standards Codification", "Paragraph": "10A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580" }, "r88": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e637-108580" }, "r89": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e681-108580" }, "r9": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760" }, "r90": { "Name": "Accounting Standards Codification", "Paragraph": "14A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580" }, "r91": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e689-108580" }, "r92": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e709-108580" }, "r93": { "Name": "Accounting Standards Codification", "Paragraph": "17A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL34724391-108580" }, "r94": { "Name": "Accounting Standards Codification", "Paragraph": "17B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL34724394-108580" }, "r95": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580" }, "r96": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580" }, "r97": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580" }, "r98": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580" }, "r99": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580" } }, "version": "2.1" }