{ "instance": { "scor-20201231.htm": { "axisCustom": 1, "axisStandard": 43, "contextCount": 591, "dts": { "calculationLink": { "local": [ "scor-20201231_cal.xml" ] }, "definitionLink": { "local": [ "scor-20201231_def.xml" ], "remote": [ "http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-eedm-def-2020-01-31.xml", "http://xbrl.fasb.org/srt/2020/elts/srt-eedm1-def-2020-01-31.xml" ] }, "inline": { "local": [ "scor-20201231.htm" ] }, "labelLink": { "local": [ "scor-20201231_lab.xml" ], "remote": [ "http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-doc-2020-01-31.xml", "https://xbrl.sec.gov/dei/2020/dei-doc-2020-01-31.xml" ] }, "presentationLink": { "local": [ "scor-20201231_pre.xml" ] }, "referenceLink": { "remote": [ "https://xbrl.sec.gov/dei/2020/dei-ref-2020-01-31.xml", "http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-ref-2020-01-31.xml" ] }, "schema": { "local": [ "scor-20201231.xsd" ], "remote": [ "http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.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/2005/xbrldt-2005.xsd", "http://www.xbrl.org/2006/ref-2006-02-27.xsd", "http://xbrl.fasb.org/srt/2020/elts/srt-types-2020-01-31.xsd", "http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd", "http://xbrl.fasb.org/us-gaap/2020/elts/us-roles-2020-01-31.xsd", "http://xbrl.fasb.org/srt/2020/elts/srt-roles-2020-01-31.xsd", "https://xbrl.sec.gov/country/2020/country-2020-01-31.xsd", "http://xbrl.fasb.org/us-gaap/2020/elts/us-types-2020-01-31.xsd", "https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd", "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd", "http://xbrl.fasb.org/us-gaap/2020/elts/us-parts-codification-2020-01-31.xsd", "http://www.xbrl.org/lrr/role/deprecated-2009-12-16.xsd" ] } }, "elementCount": 895, "entityCount": 1, "hidden": { "http://fasb.org/us-gaap/2020-01-31": 7, "http://xbrl.sec.gov/dei/2020-01-31": 4, "total": 11 }, "keyCustom": 101, "keyStandard": 528, "memberCustom": 66, "memberStandard": 70, "nsprefix": "scor", "nsuri": "http://www.comscore.com/20201231", "report": { "R1": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "dei:DocumentType", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "true", "longName": "0001001 - Document - Cover Page", "role": "http://www.comscore.com/role/CoverPage", "shortName": "Cover Page", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "dei:DocumentType", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R10": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SignificantAccountingPoliciesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2103102 - Disclosure - Summary of Significant Accounting Policies", "role": "http://www.comscore.com/role/SummaryofSignificantAccountingPolicies", "shortName": "Summary of Significant Accounting Policies", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SignificantAccountingPoliciesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R11": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RevenueFromContractWithCustomerTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2111103 - Disclosure - Revenue Recognition", "role": "http://www.comscore.com/role/RevenueRecognition", "shortName": "Revenue Recognition", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RevenueFromContractWithCustomerTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R12": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LongTermDebtTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2118104 - Disclosure - Debt", "role": "http://www.comscore.com/role/Debt", "shortName": "Debt", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LongTermDebtTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R13": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2122105 - Disclosure - Stockholders' Equity", "role": "http://www.comscore.com/role/StockholdersEquity", "shortName": "Stockholders' Equity", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R14": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:FairValueDisclosuresTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2130106 - Disclosure - Fair Value Measurements", "role": "http://www.comscore.com/role/FairValueMeasurements", "shortName": "Fair Value Measurements", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:FairValueDisclosuresTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R15": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2135107 - Disclosure - Property and Equipment", "role": "http://www.comscore.com/role/PropertyandEquipment", "shortName": "Property and Equipment", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R16": { "firstAnchor": { "ancestors": [ "us-gaap:OperatingLeasesOfLessorDisclosureTextBlock", "us-gaap:LesseeFinanceLeasesTextBlock", "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LesseeOperatingLeasesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2140108 - Disclosure - Leases", "role": "http://www.comscore.com/role/Leases", "shortName": "Leases", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "us-gaap:OperatingLeasesOfLessorDisclosureTextBlock", "us-gaap:LesseeFinanceLeasesTextBlock", "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LesseeOperatingLeasesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R17": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2147109 - Disclosure - Goodwill and Intangible Assets", "role": "http://www.comscore.com/role/GoodwillandIntangibleAssets", "shortName": "Goodwill and Intangible Assets", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R18": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OtherLiabilitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2154110 - Disclosure - Accrued Expenses", "role": "http://www.comscore.com/role/AccruedExpenses", "shortName": "Accrued Expenses", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OtherLiabilitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R19": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2157111 - Disclosure - Commitments and Contingencies", "role": "http://www.comscore.com/role/CommitmentsandContingencies", "shortName": "Commitments and Contingencies", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R2": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1001002 - Statement - CONSOLIDATED BALANCE SHEETS", "role": "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS", "shortName": "CONSOLIDATED BALANCE SHEETS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:AssetsCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R20": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:IncomeTaxDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2159112 - Disclosure - Income Taxes", "role": "http://www.comscore.com/role/IncomeTaxes", "shortName": "Income Taxes", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:IncomeTaxDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R21": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RelatedPartyTransactionsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2168113 - Disclosure - Related Party Transactions", "role": "http://www.comscore.com/role/RelatedPartyTransactions", "shortName": "Related Party Transactions", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RelatedPartyTransactionsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R22": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RestructuringAndRelatedActivitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2172114 - Disclosure - Organizational Restructuring", "role": "http://www.comscore.com/role/OrganizationalRestructuring", "shortName": "Organizational Restructuring", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RestructuringAndRelatedActivitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R23": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:QuarterlyFinancialInformationTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2176115 - Disclosure - Quarterly Financial Information (Unaudited)", "role": "http://www.comscore.com/role/QuarterlyFinancialInformationUnaudited", "shortName": "Quarterly Financial Information (Unaudited)", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:QuarterlyFinancialInformationTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R24": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SubsequentEventsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2179116 - Disclosure - Subsequent Events", "role": "http://www.comscore.com/role/SubsequentEvents", "shortName": "Subsequent Events", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SubsequentEventsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R25": { "firstAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "scor:BasisOfPresentationAndConsolidationPolicyPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2204201 - Disclosure - Summary of Significant Accounting Policies (Policies)", "role": "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies", "shortName": "Summary of Significant Accounting Policies (Policies)", "subGroupType": "policies", "uniqueAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "scor:BasisOfPresentationAndConsolidationPolicyPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R26": { "firstAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2305301 - Disclosure - Summary of Significant Accounting Policies (Tables)", "role": "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesTables", "shortName": "Summary of Significant Accounting Policies (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R27": { "firstAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisaggregationOfRevenueTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2312302 - Disclosure - Revenue Recognition (Tables)", "role": "http://www.comscore.com/role/RevenueRecognitionTables", "shortName": "Revenue Recognition (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisaggregationOfRevenueTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R28": { "firstAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDebtInstrumentsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2319303 - Disclosure - Debt (Tables)", "role": "http://www.comscore.com/role/DebtTables", "shortName": "Debt (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDebtInstrumentsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R29": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2323304 - Disclosure - Stockholders' Equity (Tables)", "role": "http://www.comscore.com/role/StockholdersEquityTables", "shortName": "Stockholders' Equity (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R3": { "firstAnchor": { "ancestors": [ "span", "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:AllowanceForDoubtfulAccountsReceivable", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1002003 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)", "role": "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "shortName": "CONSOLIDATED BALANCE SHEETS (Parenthetical)", "subGroupType": "parenthetical", "uniqueAnchor": { "ancestors": [ "span", "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "INF", "lang": "en-US", "name": "us-gaap:CommonStockSharesAuthorized", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R30": { "firstAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2331305 - Disclosure - Fair Value Measurements (Tables)", "role": "http://www.comscore.com/role/FairValueMeasurementsTables", "shortName": "Fair Value Measurements (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R31": { "firstAnchor": { "ancestors": [ "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2336306 - Disclosure - Property and Equipment (Tables)", "role": "http://www.comscore.com/role/PropertyandEquipmentTables", "shortName": "Property and Equipment (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R32": { "firstAnchor": { "ancestors": [ "ix:continuation", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LeaseCostTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2341307 - Disclosure - Leases (Tables)", "role": "http://www.comscore.com/role/LeasesTables", "shortName": "Leases (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LeaseCostTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R33": { "firstAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfGoodwillTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2348308 - Disclosure - Goodwill and Intangible Assets (Tables)", "role": "http://www.comscore.com/role/GoodwillandIntangibleAssetsTables", "shortName": "Goodwill and Intangible Assets (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfGoodwillTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R34": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2355309 - Disclosure - Accrued Expenses (Tables)", "role": "http://www.comscore.com/role/AccruedExpensesTables", "shortName": "Accrued Expenses (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R35": { "firstAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2360310 - Disclosure - Income Taxes (Tables)", "role": "http://www.comscore.com/role/IncomeTaxesTables", "shortName": "Income Taxes (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R36": { "firstAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfRelatedPartyTransactionsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2369311 - Disclosure - Related Party Transactions (Tables)", "role": "http://www.comscore.com/role/RelatedPartyTransactionsTables", "shortName": "Related Party Transactions (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfRelatedPartyTransactionsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R37": { "firstAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfRestructuringReserveByTypeOfCostTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2373312 - Disclosure - Organizational Restructuring (Tables)", "role": "http://www.comscore.com/role/OrganizationalRestructuringTables", "shortName": "Organizational Restructuring (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfRestructuringReserveByTypeOfCostTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R38": { "firstAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2377313 - Disclosure - Quarterly Financial Information (Unaudited) (Tables)", "role": "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedTables", "shortName": "Quarterly Financial Information (Unaudited) (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R39": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:NumberOfOperatingSegments", "reportCount": 1, "unique": true, "unitRef": "segment", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402401 - Disclosure - Organization (Details)", "role": "http://www.comscore.com/role/OrganizationDetails", "shortName": "Organization (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:NumberOfOperatingSegments", "reportCount": 1, "unique": true, "unitRef": "segment", "xsiNil": "false" } }, "R4": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:DisaggregationOfRevenueTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1003004 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS", "role": "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS", "shortName": "CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:CostsAndExpenses", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R40": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i07053ea28eea4a35a688ab9c1d517de9_I20191231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2406402 - Disclosure - Summary of Significant Accounting Policies (Narrative) (Details)", "role": "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails", "shortName": "Summary of Significant Accounting Policies (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-5", "lang": "en-US", "name": "us-gaap:CertificatesOfDepositAtCarryingValue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R41": { "firstAnchor": { "ancestors": [ "span", "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i07053ea28eea4a35a688ab9c1d517de9_I20191231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:AllowanceForDoubtfulAccountsReceivable", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2407403 - Disclosure - Summary of Significant Accounting Policies (Schedule of Allowance for Doubtful Accounts) (Details)", "role": "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesScheduleofAllowanceforDoubtfulAccountsDetails", "shortName": "Summary of Significant Accounting Policies (Schedule of Allowance for Doubtful Accounts) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R42": { "firstAnchor": { "ancestors": [ "span", "div", "td", "tr", "table", "div", "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i75ce0fbf3a1a4b3eb62e9375a403bb64_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:FiniteLivedIntangibleAssetUsefulLife", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2408404 - Disclosure - Summary of Significant Accounting Policies (Schedule of Useful Lives of Finite Lived Intangible Assets) (Details)", "role": "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesScheduleofUsefulLivesofFiniteLivedIntangibleAssetsDetails", "shortName": "Summary of Significant Accounting Policies (Schedule of Useful Lives of Finite Lived Intangible Assets) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "td", "tr", "table", "div", "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i75ce0fbf3a1a4b3eb62e9375a403bb64_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:FiniteLivedIntangibleAssetUsefulLife", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R43": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:UnrealizedGainLossOnDerivativesAndCommodityContracts", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2409405 - Disclosure - Summary of Significant Accounting Policies (Other Income (Expense), Net) (Details)", "role": "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesOtherIncomeExpenseNetDetails", "shortName": "Summary of Significant Accounting Policies (Other Income (Expense), Net) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:EquitySecuritiesFvNiGainLoss", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R44": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "0", "first": true, "lang": "en-US", "name": "us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2410406 - Disclosure - Summary of Significant Accounting Policies (Securities Excluded From Earnings Per Share Calculations) (Details)", "role": "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesSecuritiesExcludedFromEarningsPerShareCalculationsDetails", "shortName": "Summary of Significant Accounting Policies (Securities Excluded From Earnings Per Share Calculations) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "0", "first": true, "lang": "en-US", "name": "us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R45": { "firstAnchor": { "ancestors": [ "span", "div", "us-gaap:DisaggregationOfRevenueTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:NumberOfReportableSegments", "reportCount": 1, "unique": true, "unitRef": "segment", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2413407 - Disclosure - Revenue Recognition (Narrative) (Details)", "role": "http://www.comscore.com/role/RevenueRecognitionNarrativeDetails", "shortName": "Revenue Recognition (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "us-gaap:DisaggregationOfRevenueTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:NumberOfReportableSegments", "reportCount": 1, "unique": true, "unitRef": "segment", "xsiNil": "false" } }, "R46": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i63894b3cde6d4cb0bb9e4b850362738b_D20201001-20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2414408 - Disclosure - Revenue Recognition (Disaggregation of Revenue) (Details)", "role": "http://www.comscore.com/role/RevenueRecognitionDisaggregationofRevenueDetails", "shortName": "Revenue Recognition (Disaggregation of Revenue) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:DisaggregationOfRevenueTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i015ee56f5e9b4829a881321c5f00fbbe_D20200101-20201231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R47": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:AccountsReceivableNetCurrent", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2415409 - Disclosure - Revenue Recognition (Contract Balances) (Details)", "role": "http://www.comscore.com/role/RevenueRecognitionContractBalancesDetails", "shortName": "Revenue Recognition (Contract Balances) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ContractWithCustomerAssetAndLiabilityTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:ContractWithCustomerAssetNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R48": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "idcd55c5c61fc42c38ce39c99997f3fc9_D20200101-20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:ContractWithCustomerLiabilityRevenueRecognized", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2416410 - Disclosure - Revenue Recognition (Changes in Contract Balances) (Details)", "role": "http://www.comscore.com/role/RevenueRecognitionChangesinContractBalancesDetails", "shortName": "Revenue Recognition (Changes in Contract Balances) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "idcd55c5c61fc42c38ce39c99997f3fc9_D20200101-20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:ContractWithCustomerLiabilityRevenueRecognized", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R49": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-6", "first": true, "lang": "en-US", "name": "us-gaap:RevenueRemainingPerformanceObligation", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2417411 - Disclosure - Revenue Recognition (Transaction Price Allocated to the Remaining Performance Obligations) (Details)", "role": "http://www.comscore.com/role/RevenueRecognitionTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails", "shortName": "Revenue Recognition (Transaction Price Allocated to the Remaining Performance Obligations) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-6", "first": true, "lang": "en-US", "name": "us-gaap:RevenueRemainingPerformanceObligation", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R5": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i63894b3cde6d4cb0bb9e4b850362738b_D20201001-20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:AllocatedShareBasedCompensationExpense", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1004005 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Parenthetical)", "role": "http://www.comscore.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSParenthetical", "shortName": "CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Parenthetical)", "subGroupType": "parenthetical", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "ix:continuation", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "ie967912e683f43d0b088678301bd6eb5_D20200101-20201231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R50": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:ProceedsFromRelatedPartyDebt", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2420412 - Disclosure - Debt (Narrative) (Details)", "role": "http://www.comscore.com/role/DebtNarrativeDetails", "shortName": "Debt (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i69fb61ec0ccc4992a0c93bb59ce7e925_I20201231", "decimals": "-5", "lang": "en-US", "name": "us-gaap:LettersOfCreditOutstandingAmount", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R51": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfDebtInstrumentsTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i306ff36b275d4c839d0d1a91e2927dc6_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:DebtInstrumentUnamortizedDiscount", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2421413 - Disclosure - Debt (Schedule of Debt) (Details)", "role": "http://www.comscore.com/role/DebtScheduleofDebtDetails", "shortName": "Debt (Schedule of Debt) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfDebtInstrumentsTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i306ff36b275d4c839d0d1a91e2927dc6_I20201231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:DeferredFinanceCostsNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R52": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i5a71a4c28dfd496bb90f5d2216d8e3f8_D20191014-20191014", "decimals": "INF", "first": true, "lang": "en-US", "name": "scor:StockIssuedDuringPeriodSharesWarrantsExercised", "reportCount": 1, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2424414 - Disclosure - Stockholders' Equity (Narrative) (Details)", "role": "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "shortName": "Stockholders' Equity (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "-5", "lang": "en-US", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R53": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:WarrantsAndRightsOutstanding", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2425415 - Disclosure - Stockholders' Equity (Schedule of Fair Value of Warrants) (Details)", "role": "http://www.comscore.com/role/StockholdersEquityScheduleofFairValueofWarrantsDetails", "shortName": "Stockholders' Equity (Schedule of Fair Value of Warrants) (Details)", "subGroupType": "details", "uniqueAnchor": null }, "R54": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "ix:continuation", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "ibe55da93ef5c42b78e7146911db7db73_D20200101-20201231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2426416 - Disclosure - Stockholders' Equity (Weighted-Average Assumptions) (Details)", "role": "http://www.comscore.com/role/StockholdersEquityWeightedAverageAssumptionsDetails", "shortName": "Stockholders' Equity (Weighted-Average Assumptions) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "ix:continuation", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "ibe55da93ef5c42b78e7146911db7db73_D20200101-20201231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R55": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i07053ea28eea4a35a688ab9c1d517de9_I20191231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber", "reportCount": 1, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2427417 - Disclosure - Stockholders' Equity (Stock Option Activity) (Details)", "role": "http://www.comscore.com/role/StockholdersEquityStockOptionActivityDetails", "shortName": "Stockholders' Equity (Stock Option Activity) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i30387cf75ddb4e34b40b49704ec8710e_I20171231", "decimals": "INF", "lang": "en-US", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R56": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2428418 - Disclosure - Stockholders' Equity (Exercise Price Range) (Details)", "role": "http://www.comscore.com/role/StockholdersEquityExercisePriceRangeDetails", "shortName": "Stockholders' Equity (Exercise Price Range) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R57": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfNonvestedShareActivityTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i07053ea28eea4a35a688ab9c1d517de9_I20191231", "decimals": "2", "first": true, "lang": "en-US", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue", "reportCount": 1, "unitRef": "usdPerShare", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2429419 - Disclosure - Stockholders' Equity (Nonvested Stock Awards) (Details)", "role": "http://www.comscore.com/role/StockholdersEquityNonvestedStockAwardsDetails", "shortName": "Stockholders' Equity (Nonvested Stock Awards) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfNonvestedShareActivityTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i30387cf75ddb4e34b40b49704ec8710e_I20171231", "decimals": "2", "lang": "en-US", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue", "reportCount": 1, "unique": true, "unitRef": "usdPerShare", "xsiNil": "false" } }, "R58": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:WarrantsAndRightsOutstanding", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2432420 - Disclosure - Fair Value Measurements (Assets and Liabilities Measured on Recurring Basis) (Details)", "role": "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails", "shortName": "Fair Value Measurements (Assets and Liabilities Measured on Recurring Basis) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "iedc682c8972b48e49fbb49c556101d9a_I20201231", "decimals": "INF", "lang": "en-US", "name": "scor:FairValueInvestmentsNetAssetValuePerShareAmount", "reportCount": 1, "unique": true, "unitRef": "usdPerShare", "xsiNil": "false" } }, "R59": { "firstAnchor": { "ancestors": [ "ix:continuation", "span", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "ie4a37a198fed44fe883059765027eba1_D20200101-20201231", "decimals": "-5", "first": true, "lang": "en-US", "name": "us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2433421 - Disclosure - Fair Value Measurements (Reconciliation of Level 3 Fair Valued Instruments) (Details)", "role": "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails", "shortName": "Fair Value Measurements (Reconciliation of Level 3 Fair Valued Instruments) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "ix:continuation", "span", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "ie4a37a198fed44fe883059765027eba1_D20200101-20201231", "decimals": "-5", "first": true, "lang": "en-US", "name": "us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R6": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "ie663d1618248484194962fcac7e21764_I20171231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:SharesIssued", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1005006 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY", "role": "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY", "shortName": "CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "ie663d1618248484194962fcac7e21764_I20171231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:SharesIssued", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R60": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:FairValueAssetsMeasuredOnNonrecurringBasisValuationTechniquesTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i3f866ad9357f4a84a880de3128711ad4_I20201231", "decimals": "2", "first": true, "lang": "en-US", "name": "us-gaap:WarrantsAndRightsOutstandingMeasurementInput", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2434422 - Disclosure - Fair Value Measurements (Valuation Techniques of Level 3 Liabilities) (Details)", "role": "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails", "shortName": "Fair Value Measurements (Valuation Techniques of Level 3 Liabilities) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:FairValueAssetsMeasuredOnNonrecurringBasisValuationTechniquesTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i3f866ad9357f4a84a880de3128711ad4_I20201231", "decimals": "2", "first": true, "lang": "en-US", "name": "us-gaap:WarrantsAndRightsOutstandingMeasurementInput", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R61": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:PropertyPlantAndEquipmentTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2437423 - Disclosure - Property and Equipment (Property and Equipment Under Capital Lease Obligations) (Detail)", "role": "http://www.comscore.com/role/PropertyandEquipmentPropertyandEquipmentUnderCapitalLeaseObligationsDetail", "shortName": "Property and Equipment (Property and Equipment Under Capital Lease Obligations) (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:PropertyPlantAndEquipmentTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R62": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "-5", "first": true, "lang": "en-US", "name": "us-gaap:ImpairmentOfLongLivedAssetsHeldForUse", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2438424 - Disclosure - Property and Equipment (Narrative) (Detail)", "role": "http://www.comscore.com/role/PropertyandEquipmentNarrativeDetail", "shortName": "Property and Equipment (Narrative) (Detail)", "subGroupType": "details", "uniqueAnchor": null }, "R63": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:PropertyPlantAndEquipmentTextBlock", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2439425 - Disclosure - Property and Equipment (Schedule of Composition of the Company's Property and Equipment) (Detail)", "role": "http://www.comscore.com/role/PropertyandEquipmentScheduleofCompositionoftheCompanysPropertyandEquipmentDetail", "shortName": "Property and Equipment (Schedule of Composition of the Company's Property and Equipment) (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i908a286da47f463d911a9d0e5e1fb0e3_I20201231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R64": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "scor:LesseeLeaseRenewalTerm", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2442426 - Disclosure - Leases (Narrative) (Details)", "role": "http://www.comscore.com/role/LeasesNarrativeDetails", "shortName": "Leases (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "scor:LesseeLeaseRenewalTerm", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R65": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:LeaseCostTableTextBlock", "ix:continuation", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:FinanceLeaseRightOfUseAssetAmortization", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2443427 - Disclosure - Leases (Finance And Operating Lease Cost) (Details)", "role": "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails", "shortName": "Leases (Finance And Operating Lease Cost) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:LeaseCostTableTextBlock", "ix:continuation", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:FinanceLeaseInterestExpense", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R66": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:FinanceLeaseInterestPaymentOnLiability", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2444428 - Disclosure - Leases (Other Information) (Details) (Details)", "role": "http://www.comscore.com/role/LeasesOtherInformationDetailsDetails", "shortName": "Leases (Other Information) (Details) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:FinanceLeaseInterestPaymentOnLiability", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R67": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:FinanceLeaseLiabilityMaturityTableTextBlock", "us-gaap:LesseeOperatingLeaseLiabilityMaturityTableTextBlock", "ix:continuation", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2445429 - Disclosure - Leases (Maturities Of Finance And Operating Lease Liabilities) (Details) (Details)", "role": "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails", "shortName": "Leases (Maturities Of Finance And Operating Lease Liabilities) (Details) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:FinanceLeaseLiabilityMaturityTableTextBlock", "us-gaap:LesseeOperatingLeaseLiabilityMaturityTableTextBlock", "ix:continuation", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R68": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "ix:continuation", "div", "ix:continuation", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2446430 - Disclosure - Leases (Future Expected Cash Receipts From Subleases) (Details)", "role": "http://www.comscore.com/role/LeasesFutureExpectedCashReceiptsFromSubleasesDetails", "shortName": "Leases (Future Expected Cash Receipts From Subleases) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "ix:continuation", "div", "ix:continuation", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R69": { "firstAnchor": { "ancestors": [ "span", "div", "us-gaap:GoodwillAndIntangibleAssetsPolicyTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "if727dd5942ac41199733b3e1e08cc19b_D20201001-20201001", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:GoodwillImpairmentLoss", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2449431 - Disclosure - Goodwill and Intangible Assets (Narrative) (Detail)", "role": "http://www.comscore.com/role/GoodwillandIntangibleAssetsNarrativeDetail", "shortName": "Goodwill and Intangible Assets (Narrative) (Detail)", "subGroupType": "details", "uniqueAnchor": null }, "R7": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:NetIncomeLoss", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1006007 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS", "role": "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS", "shortName": "CONSOLIDATED STATEMENTS OF CASH FLOWS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:ShareBasedCompensation", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R70": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfGoodwillTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i56627029cc73489c82807073d2c9dc17_I20181231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:Goodwill", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2450432 - Disclosure - Goodwill and Intangible Assets (Carrying Value of Goodwill) (Detail)", "role": "http://www.comscore.com/role/GoodwillandIntangibleAssetsCarryingValueofGoodwillDetail", "shortName": "Goodwill and Intangible Assets (Carrying Value of Goodwill) (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfGoodwillTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:GoodwillForeignCurrencyTranslationGainLoss", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R71": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:FiniteLivedIntangibleAssetsGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2451433 - Disclosure - Goodwill and Intangible Assets (Schedule of Acquired Intangible Assets) (Detail)", "role": "http://www.comscore.com/role/GoodwillandIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetail", "shortName": "Goodwill and Intangible Assets (Schedule of Acquired Intangible Assets) (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:FiniteLivedIntangibleAssetsGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R72": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "scor:ScheduleOfAcquiredFiniteLivedIntangibleAssetsWeightedAverageRemainingUsefulLifeTableTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i9e3b8992b1e94a63bcd3e5934cfc0b5f_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:AcquiredFiniteLivedIntangibleAssetWeightedAveragePeriodBeforeRenewalOrExtension", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2452434 - Disclosure - Goodwill and Intangible Assets (Weighted Average Remaining Amortization Period) (Detail)", "role": "http://www.comscore.com/role/GoodwillandIntangibleAssetsWeightedAverageRemainingAmortizationPeriodDetail", "shortName": "Goodwill and Intangible Assets (Weighted Average Remaining Amortization Period) (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "scor:ScheduleOfAcquiredFiniteLivedIntangibleAssetsWeightedAverageRemainingUsefulLifeTableTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i9e3b8992b1e94a63bcd3e5934cfc0b5f_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:AcquiredFiniteLivedIntangibleAssetWeightedAveragePeriodBeforeRenewalOrExtension", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R73": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2453435 - Disclosure - Goodwill and Intangible Assets (Estimated Future Amortization of Acquired Intangible Assets) (Detail)", "role": "http://www.comscore.com/role/GoodwillandIntangibleAssetsEstimatedFutureAmortizationofAcquiredIntangibleAssetsDetail", "shortName": "Goodwill and Intangible Assets (Estimated Future Amortization of Acquired Intangible Assets) (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R74": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "scor:AccruedCostOfRevenuesCurrentAndNoncurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2456436 - Disclosure - Accrued Expenses (Details)", "role": "http://www.comscore.com/role/AccruedExpensesDetails", "shortName": "Accrued Expenses (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "scor:AccruedCostOfRevenuesCurrentAndNoncurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R75": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "iafa347f8847e460f92d41471450da026_D20180604-20180604", "decimals": "-5", "first": true, "lang": "en-US", "name": "us-gaap:LossContingencyDamagesSoughtValue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2458437 - Disclosure - Commitments and Contingencies (Narrative) (Details)", "role": "http://www.comscore.com/role/CommitmentsandContingenciesNarrativeDetails", "shortName": "Commitments and Contingencies (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "iafa347f8847e460f92d41471450da026_D20180604-20180604", "decimals": "-5", "first": true, "lang": "en-US", "name": "us-gaap:LossContingencyDamagesSoughtValue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R76": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2461438 - Disclosure - Income Taxes (Component of (Loss) Income Before Income Tax) (Details)", "role": "http://www.comscore.com/role/IncomeTaxesComponentofLossIncomeBeforeIncomeTaxDetails", "shortName": "Income Taxes (Component of (Loss) Income Before Income Tax) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R77": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:CurrentFederalTaxExpenseBenefit", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2462439 - Disclosure - Income Taxes (Income Tax Provision (Benefit)) (Details)", "role": "http://www.comscore.com/role/IncomeTaxesIncomeTaxProvisionBenefitDetails", "shortName": "Income Taxes (Income Tax Provision (Benefit)) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:CurrentFederalTaxExpenseBenefit", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R78": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2463440 - Disclosure - Income Taxes (Effective Income Tax Rate Reconciliation) (Details)", "role": "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails", "shortName": "Income Taxes (Effective Income Tax Rate Reconciliation) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R79": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i63894b3cde6d4cb0bb9e4b850362738b_D20201001-20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:IncomeTaxExpenseBenefit", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2464441 - Disclosure - Income Taxes (Narrative) (Details)", "role": "http://www.comscore.com/role/IncomeTaxesNarrativeDetails", "shortName": "Income Taxes (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "-5", "lang": "en-US", "name": "scor:EffectiveIncomeTaxRateReconciliationPermanentDifferencesAmount", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R8": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:InterestPaidNet", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1007008 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)", "role": "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSParenthetical", "shortName": "CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)", "subGroupType": "parenthetical", "uniqueAnchor": { "ancestors": [ "span", "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "ibcf7e1d43936443bbd96fdbabda2dc65_D20200101-20201231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:InterestPaidNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R80": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "ix:continuation", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:DeferredTaxAssetsOperatingLossCarryforwards", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2465442 - Disclosure - Income Taxes (Components of Net Deferred Income Taxes) (Details)", "role": "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails", "shortName": "Income Taxes (Components of Net Deferred Income Taxes) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "ix:continuation", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:DeferredTaxAssetsOperatingLossCarryforwards", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R81": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "ix:continuation", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i07053ea28eea4a35a688ab9c1d517de9_I20191231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:DeferredTaxAssetsValuationAllowance", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2466443 - Disclosure - Income Taxes (Deferred Tax Asset Valuation Allowance) (Details)", "role": "http://www.comscore.com/role/IncomeTaxesDeferredTaxAssetValuationAllowanceDetails", "shortName": "Income Taxes (Deferred Tax Asset Valuation Allowance) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "scor:ScheduleOfDeferredTaxAssetsValuationAllowanceTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": "-3", "lang": "en-US", "name": "scor:IncreaseInValuationAllowancesAndReserves", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R82": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:SummaryOfIncomeTaxContingenciesTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i07053ea28eea4a35a688ab9c1d517de9_I20191231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:UnrecognizedTaxBenefits", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2467444 - Disclosure - Income Taxes (Unrecognized Income Tax Benefits) (Details)", "role": "http://www.comscore.com/role/IncomeTaxesUnrecognizedIncomeTaxBenefitsDetails", "shortName": "Income Taxes (Unrecognized Income Tax Benefits) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:SummaryOfIncomeTaxContingenciesTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i30387cf75ddb4e34b40b49704ec8710e_I20171231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:UnrecognizedTaxBenefits", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R83": { "firstAnchor": { "ancestors": [ "span", "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:CommonStockSharesOutstanding", "reportCount": 1, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2470445 - Disclosure - Related Party Transactions (Narrative) (Details)", "role": "http://www.comscore.com/role/RelatedPartyTransactionsNarrativeDetails", "shortName": "Related Party Transactions (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i672b3321245b473da884263607f489f0_I20180530", "decimals": "INF", "lang": "en-US", "name": "scor:NumberOfFixedMembersOnTheCompanysBoardOfDirectors", "reportCount": 1, "unique": true, "unitRef": "member", "xsiNil": "false" } }, "R84": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i59603a1040eb430b9b7337c15c1bea8f_I20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:PrepaidExpenseAndOtherAssetsCurrent", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2471446 - Disclosure - Related Party Transactions (Transaction with Related Parties) (Details)", "role": "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails", "shortName": "Related Party Transactions (Transaction with Related Parties) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "ib0bae51293f84f058ba7ed43f0a9ceb2_I20201231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:AccountsReceivableRelatedPartiesCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R85": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i80fb69147e114ef8b5d82c0b98a49af8_D20191001-20191231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:RestructuringCharges", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2474447 - Disclosure - Organizational Restructuring (Narrative) (Details)", "role": "http://www.comscore.com/role/OrganizationalRestructuringNarrativeDetails", "shortName": "Organizational Restructuring (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "ic4bc819078db4e25bb77abf826a58566_D20180101-20181231", "decimals": "2", "lang": "en-US", "name": "us-gaap:RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R86": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i80fb69147e114ef8b5d82c0b98a49af8_D20191001-20191231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:RestructuringCharges", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2475448 - Disclosure - Organizational Restructuring Accrued Restructuring Expenses, Changes in Accrued Amounts and Additional Restructuring Costs (Details)", "role": "http://www.comscore.com/role/OrganizationalRestructuringAccruedRestructuringExpensesChangesinAccruedAmountsandAdditionalRestructuringCostsDetails", "shortName": "Organizational Restructuring Accrued Restructuring Expenses, Changes in Accrued Amounts and Additional Restructuring Costs (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfRestructuringReserveByTypeOfCostTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i33d253db544b478aa0b6164b24cf4a88_D20190101-20191231", "decimals": "-3", "lang": "en-US", "name": "scor:RestructuringReserveReversalDueToAdoptionOfNewAccountingPronouncement", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R87": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i63894b3cde6d4cb0bb9e4b850362738b_D20201001-20201231", "decimals": "-3", "first": true, "lang": "en-US", "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2478449 - Disclosure - Quarterly Financial Information (Unaudited) (Detail)", "role": "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail", "shortName": "Quarterly Financial Information (Unaudited) (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i63894b3cde6d4cb0bb9e4b850362738b_D20201001-20201231", "decimals": "-3", "lang": "en-US", "name": "us-gaap:CostOfGoodsAndServicesSold", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R88": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i4ff57c9f290b4bfa9c6a0f852d353bac_D20190626-20190626", "decimals": "INF", "first": true, "lang": "en-US", "name": "us-gaap:SaleOfStockNumberOfSharesIssuedInTransaction", "reportCount": 1, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2480450 - Disclosure - Subsequent Events (Details)", "role": "http://www.comscore.com/role/SubsequentEventsDetails", "shortName": "Subsequent Events (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i4df60c39fbc64a099e0fbd3324bbdd53_D20210107-20210310", "decimals": "-6", "lang": "en-US", "name": "us-gaap:DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R9": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2101101 - Disclosure - Organization", "role": "http://www.comscore.com/role/Organization", "shortName": "Organization", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "scor-20201231.htm", "contextRef": "i6292804a99e842268dbe56cb8a2f55bf_D20200101-20201231", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R9999": { "firstAnchor": null, "groupType": "", "isDefault": "false", "longName": "Uncategorized Items - scor-20201231.htm", "role": "http://xbrl.sec.gov/role/uncategorizedFacts", "shortName": "Uncategorized Items - scor-20201231.htm", "subGroupType": "", "uniqueAnchor": null } }, "segmentCount": 141, "tag": { "country_CA": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "CANADA", "terseLabel": "Canada" } } }, "localname": "CA", "nsuri": "http://xbrl.sec.gov/country/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionDisaggregationofRevenueDetails" ], "xbrltype": "domainItemType" }, "country_US": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "UNITED STATES", "terseLabel": "United States" } } }, "localname": "US", "nsuri": "http://xbrl.sec.gov/country/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsNarrativeDetail", "http://www.comscore.com/role/PropertyandEquipmentScheduleofCompositionoftheCompanysPropertyandEquipmentDetail", "http://www.comscore.com/role/RevenueRecognitionDisaggregationofRevenueDetails" ], "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/2020-01-31", "presentation": [ "http://www.comscore.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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_CoverAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Cover page.", "label": "Cover [Abstract]", "terseLabel": "Cover [Abstract]" } } }, "localname": "CoverAbstract", "nsuri": "http://xbrl.sec.gov/dei/2020-01-31", "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CoverPage" ], "xbrltype": "gMonthDayItemType" }, "dei_DocumentAnnualReport": { "auth_ref": [ "r639", "r640", "r641" ], "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/2020-01-31", "presentation": [ "http://www.comscore.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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CoverPage" ], "xbrltype": "fiscalPeriodItemType" }, "dei_DocumentFiscalYearFocus": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This is focus fiscal year of the document report in YYYY 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/2020-01-31", "presentation": [ "http://www.comscore.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 YYYY-MM-DD.", "label": "Document Period End Date", "terseLabel": "Document Period End Date" } } }, "localname": "DocumentPeriodEndDate", "nsuri": "http://xbrl.sec.gov/dei/2020-01-31", "presentation": [ "http://www.comscore.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/2020-01-31", "presentation": [ "http://www.comscore.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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CoverPage" ], "xbrltype": "submissionTypeItemType" }, "dei_DocumentsIncorporatedByReferenceTextBlock": { "auth_ref": [ "r637" ], "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/2020-01-31", "presentation": [ "http://www.comscore.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/2020-01-31", "presentation": [ "http://www.comscore.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/2020-01-31", "presentation": [ "http://www.comscore.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/2020-01-31", "presentation": [ "http://www.comscore.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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CoverPage" ], "xbrltype": "stateOrProvinceItemType" }, "dei_EntityCentralIndexKey": { "auth_ref": [ "r643" ], "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/2020-01-31", "presentation": [ "http://www.comscore.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/2020-01-31", "presentation": [ "http://www.comscore.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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CoverPage" ], "xbrltype": "yesNoItemType" }, "dei_EntityEmergingGrowthCompany": { "auth_ref": [ "r643" ], "lang": { "en-us": { "role": { "documentation": "Indicate if registrant meets the emerging growth company criteria.", "label": "Entity Emerging Growth Company", "terseLabel": "Entity Emerging Growth Company" } } }, "localname": "EntityEmergingGrowthCompany", "nsuri": "http://xbrl.sec.gov/dei/2020-01-31", "presentation": [ "http://www.comscore.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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CoverPage" ], "xbrltype": "fileNumberItemType" }, "dei_EntityFilerCategory": { "auth_ref": [ "r643" ], "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/2020-01-31", "presentation": [ "http://www.comscore.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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CoverPage" ], "xbrltype": "edgarStateCountryItemType" }, "dei_EntityInteractiveDataCurrent": { "auth_ref": [ "r644" ], "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/2020-01-31", "presentation": [ "http://www.comscore.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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CoverPage" ], "xbrltype": "monetaryItemType" }, "dei_EntityRegistrantName": { "auth_ref": [ "r643" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityShellCompany": { "auth_ref": [ "r643" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_EntitySmallBusiness": { "auth_ref": [ "r643" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_EntityTaxIdentificationNumber": { "auth_ref": [ "r643" ], "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/2020-01-31", "presentation": [ "http://www.comscore.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/2020-01-31", "presentation": [ "http://www.comscore.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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CoverPage" ], "xbrltype": "yesNoItemType" }, "dei_IcfrAuditorAttestationFlag": { "auth_ref": [ "r639", "r640", "r641" ], "lang": { "en-us": { "role": { "label": "ICFR Auditor Attestation Flag", "terseLabel": "ICFR Auditor Attestation Flag" } } }, "localname": "IcfrAuditorAttestationFlag", "nsuri": "http://xbrl.sec.gov/dei/2020-01-31", "presentation": [ "http://www.comscore.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_Security12bTitle": { "auth_ref": [ "r636" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CoverPage" ], "xbrltype": "securityTitleItemType" }, "dei_SecurityExchangeName": { "auth_ref": [ "r638" ], "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/2020-01-31", "presentation": [ "http://www.comscore.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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CoverPage" ], "xbrltype": "tradingSymbolItemType" }, "scor_A2018RestructuringPlanMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "2018 Restructuring Plan", "label": "2018 Restructuring Plan [Member]", "terseLabel": "2018 Restructuring Plan" } } }, "localname": "A2018RestructuringPlanMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuringAccruedRestructuringExpensesChangesinAccruedAmountsandAdditionalRestructuringCostsDetails", "http://www.comscore.com/role/OrganizationalRestructuringNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_AccountingForWarrantsPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Accounting For Warrants, Policy [Policy Text Block]", "label": "Accounting For Warrants, Policy [Policy Text Block]", "terseLabel": "Accounting for Warrants" } } }, "localname": "AccountingForWarrantsPolicyPolicyTextBlock", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "scor_AccruedCostOfRevenuesCurrentAndNoncurrent": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/AccruedExpensesDetails": { "order": 2.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Accrued cost of revenues current and noncurrent", "label": "Accrued Cost Of Revenues Current And Noncurrent", "terseLabel": "Accrued data costs" } } }, "localname": "AccruedCostOfRevenuesCurrentAndNoncurrent", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/AccruedExpensesDetails" ], "xbrltype": "monetaryItemType" }, "scor_AcquiredMethodologiesTechnologyMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Acquired Methodologies/Technology [Member]", "label": "Acquired Methodologies Technology [Member]", "terseLabel": "Acquired methodologies and technology" } } }, "localname": "AcquiredMethodologiesTechnologyMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetail", "http://www.comscore.com/role/GoodwillandIntangibleAssetsWeightedAverageRemainingAmortizationPeriodDetail", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesScheduleofUsefulLivesofFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "scor_AcquiredRelationshipTechnologyMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Acquired Relationship / Technology [Member]", "label": "Acquired Relationship / Technology [Member]", "terseLabel": "Strategic alliance" } } }, "localname": "AcquiredRelationshipTechnologyMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetail" ], "xbrltype": "domainItemType" }, "scor_AcquiredSoftwareMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Acquired Software [Member]", "label": "Acquired Software [Member]", "terseLabel": "Acquired software" } } }, "localname": "AcquiredSoftwareMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesScheduleofUsefulLivesofFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "scor_AdditionalInitialNotesIssuedAugust82018Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Additional Initial Notes Issued August 8, 2018", "label": "Additional Initial Notes Issued August 8, 2018 [Member]", "terseLabel": "Additional Initial Notes" } } }, "localname": "AdditionalInitialNotesIssuedAugust82018Member", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_AdditionalNotesIssuedAugust82018Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Additional Notes Issued August 8, 2018", "label": "Additional Notes Issued August 8, 2018 [Member]", "verboseLabel": "Additional Notes Issued August 8, 2018" } } }, "localname": "AdditionalNotesIssuedAugust82018Member", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_AdditionalOptionNotesIssuedAugust82018Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Additional Option Notes Issued August 8, 2018", "label": "Additional Option Notes Issued August 8, 2018 [Member]", "terseLabel": "Additional Option Notes" } } }, "localname": "AdditionalOptionNotesIssuedAugust82018Member", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_AdjustmentsToAdditionalPaidInCapitalSubscriptionReceivable": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Adjustments to Additional Paid in Capital, Subscription Receivable", "label": "Adjustments to Additional Paid in Capital, Subscription Receivable", "terseLabel": "Subscription Receivable" } } }, "localname": "AdjustmentsToAdditionalPaidInCapitalSubscriptionReceivable", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "monetaryItemType" }, "scor_AnalyticsandOptimizationMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Analytics and Optimization", "label": "Analytics and Optimization [Member]", "terseLabel": "Analytics and Optimization" } } }, "localname": "AnalyticsandOptimizationMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionDisaggregationofRevenueDetails" ], "xbrltype": "domainItemType" }, "scor_AnnualPurchaseObligation": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Annual Purchase Obligation", "label": "Annual Purchase Obligation", "terseLabel": "Annual purchase obligation" } } }, "localname": "AnnualPurchaseObligation", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "scor_August2019RestructuringPlanMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "August 2019 Restructuring Plan [Member]", "label": "August 2019 Restructuring Plan [Member]", "terseLabel": "August 2019 Restructuring Plan" } } }, "localname": "August2019RestructuringPlanMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuringAccruedRestructuringExpensesChangesinAccruedAmountsandAdditionalRestructuringCostsDetails", "http://www.comscore.com/role/OrganizationalRestructuringNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_BasisOfPresentationAndConsolidationPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Basis Of Presentation And Consolidation [Policy Text Block]", "label": "Basis Of Presentation And Consolidation Policy [Policy Text Block]", "terseLabel": "Basis of Presentation and Consolidation" } } }, "localname": "BasisOfPresentationAndConsolidationPolicyPolicyTextBlock", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "scor_BlackScholesModelValuationTechniqueMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Black Scholes Model Valuation Technique", "label": "Black Scholes Model Valuation Technique [Member]", "terseLabel": "Black Scholes Model" } } }, "localname": "BlackScholesModelValuationTechniqueMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_CVIInvestmentsInc.Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "CVI Investments, Inc. [Member]", "label": "CVI Investments, Inc. [Member]", "terseLabel": "CVI Investments, Inc." } } }, "localname": "CVIInvestmentsInc.Member", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "domainItemType" }, "scor_CapitalLeaseAndSoftwareLicenseArrangementsPrincipalPayments": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 11.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Capital Lease And Software License Arrangements, Principal Payments", "label": "Capital Lease And Software License Arrangements, Principal Payments", "negatedLabel": "Principal payments on capital lease and software license arrangements" } } }, "localname": "CapitalLeaseAndSoftwareLicenseArrangementsPrincipalPayments", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "scor_CapitalizedInternalUseSoftwareMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Capitalized Internal Use Software [Member]", "label": "Capitalized Internal Use Software [Member]", "terseLabel": "Capitalized internal-use software" } } }, "localname": "CapitalizedInternalUseSoftwareMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/PropertyandEquipmentPropertyandEquipmentUnderCapitalLeaseObligationsDetail" ], "xbrltype": "domainItemType" }, "scor_ChangeInFairValueOfInterestMakeWholeDerivative": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 25.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 }, "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesOtherIncomeExpenseNetDetails": { "order": 3.0, "parentTag": "us-gaap_OtherNonoperatingIncomeExpense", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Change In Fair Value Of Interest Make-Whole Derivative", "label": "Change In Fair Value Of Interest Make-Whole Derivative", "negatedTerseLabel": "Change in fair value of interest make-whole derivative", "terseLabel": "Change in fair value of interest make-whole derivative" } } }, "localname": "ChangeInFairValueOfInterestMakeWholeDerivative", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesOtherIncomeExpenseNetDetails" ], "xbrltype": "monetaryItemType" }, "scor_ChangeinControlMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Change in Control", "label": "Change in Control [Member]", "terseLabel": "Change of control redemption" } } }, "localname": "ChangeinControlMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails" ], "xbrltype": "domainItemType" }, "scor_CharterCommunicationsHoldingCompanyLLCMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Charter Communications Holding Company, LLC", "label": "Charter Communications Holding Company, LLC [Member]", "terseLabel": "Charter" } } }, "localname": "CharterCommunicationsHoldingCompanyLLCMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "scor_ClassOfWarrantOrRightAnniversaryOfClosingDate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Class Of Warrant Or Right, Anniversary Of Closing Date", "label": "Class Of Warrant Or Right, Anniversary Of Closing Date", "terseLabel": "Anniversary of closing date (in months)" } } }, "localname": "ClassOfWarrantOrRightAnniversaryOfClosingDate", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "durationItemType" }, "scor_ClassOfWarrantOrRightDiscountThresholdOfVolumeWeightedAveragePrice": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Class Of Warrant Or Right, Discount Threshold Of Volume Weighted Average Price", "label": "Class Of Warrant Or Right, Discount Threshold Of Volume Weighted Average Price", "terseLabel": "Discount of VWAP (as a percent)" } } }, "localname": "ClassOfWarrantOrRightDiscountThresholdOfVolumeWeightedAveragePrice", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "percentItemType" }, "scor_ClassOfWarrantOrRightExercisablePeriod": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Class Of Warrant Or Right, Exercisable Period", "label": "Class Of Warrant Or Right, Exercisable Period", "terseLabel": "Exercisable period (in years)" } } }, "localname": "ClassOfWarrantOrRightExercisablePeriod", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "durationItemType" }, "scor_ClassOfWarrantOrRightExpirationPeriodAfterFirstAnniversaryOfClosingDate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Class Of Warrant Or Right, Expiration Period After First Anniversary Of Closing Date", "label": "Class Of Warrant Or Right, Expiration Period After First Anniversary Of Closing Date", "terseLabel": "Expiration period after first anniversary of closing date (in days)" } } }, "localname": "ClassOfWarrantOrRightExpirationPeriodAfterFirstAnniversaryOfClosingDate", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "durationItemType" }, "scor_ClassOfWarrantOrRightMaximumCommonStockOwnershipPercentage": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Class Of Warrant Or Right, Maximum Common Stock Ownership Percentage", "label": "Class Of Warrant Or Right, Maximum Common Stock Ownership Percentage", "terseLabel": "Maximum common stock ownership percentage" } } }, "localname": "ClassOfWarrantOrRightMaximumCommonStockOwnershipPercentage", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "percentItemType" }, "scor_ClassOfWarrantOrRightMaximumCommonStockOwnershipPercentageIfSixtyDaysNoticeGiven": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Class Of Warrant Or Right, Maximum Common Stock Ownership Percentage If Sixty Days Notice Given", "label": "Class Of Warrant Or Right, Maximum Common Stock Ownership Percentage If Sixty Days Notice Given", "terseLabel": "Maximum common stock ownership percentage if sixty days notice given" } } }, "localname": "ClassOfWarrantOrRightMaximumCommonStockOwnershipPercentageIfSixtyDaysNoticeGiven", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "percentItemType" }, "scor_ClassOfWarrantOrRightOwnershipPercentageThresholdTriggeringWarrantsToBeSettledInCash": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Class Of Warrant Or Right, Ownership Percentage Threshold Triggering Warrants To Be Settled In Cash", "label": "Class Of Warrant Or Right, Ownership Percentage Threshold Triggering Warrants To Be Settled In Cash", "terseLabel": "Ownership percentage threshold triggering warrants to be settled in cash" } } }, "localname": "ClassOfWarrantOrRightOwnershipPercentageThresholdTriggeringWarrantsToBeSettledInCash", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "percentItemType" }, "scor_ClassOfWarrantOrRightPercentageOfVolumeWeightedAveragePriceDenominatorInSharesCalculation": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Class Of Warrant Or Right, Percentage Of Volume Weighted Average Price, Denominator In Shares Calculation", "label": "Class Of Warrant Or Right, Percentage Of Volume Weighted Average Price, Denominator In Shares Calculation", "terseLabel": "Percentage of VWAP utilized at denominator of shares calculation" } } }, "localname": "ClassOfWarrantOrRightPercentageOfVolumeWeightedAveragePriceDenominatorInSharesCalculation", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "percentItemType" }, "scor_ClassOfWarrantOrRightPercentageThresholdOfThePricePerInitialShare": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Class Of Warrant Or Right, Percentage Threshold Of The Price Per Initial Share", "label": "Class Of Warrant Or Right, Percentage Threshold Of The Price Per Initial Share", "terseLabel": "Percentage of the price per initial share" } } }, "localname": "ClassOfWarrantOrRightPercentageThresholdOfThePricePerInitialShare", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "percentItemType" }, "scor_ClassofWarrantorRightExercisePeriod": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Class of Warrant or Right, Exercise Period", "label": "Class of Warrant or Right, Exercise Period", "terseLabel": "Exercisable period of warrants" } } }, "localname": "ClassofWarrantorRightExercisePeriod", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "durationItemType" }, "scor_ClassofWarrantorRightFairValue": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Class of Warrant or Right, Fair Value", "label": "Class of Warrant or Right, Fair Value", "terseLabel": "Fair value of warrants" } } }, "localname": "ClassofWarrantorRightFairValue", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "scor_ClassofWarrantorRightNumberofSecuritiesCalledbyWarrantsorRightsIncreaseDecrease": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Class of Warrant or Right, Number of Securities Called by Warrants or Rights, Increase (Decrease)", "label": "Class of Warrant or Right, Number of Securities Called by Warrants or Rights, Increase (Decrease)", "terseLabel": "Increase in number of shares issuable (in shares)" } } }, "localname": "ClassofWarrantorRightNumberofSecuritiesCalledbyWarrantsorRightsIncreaseDecrease", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "sharesItemType" }, "scor_CombinedValueMakeWholeAndQualifyingChangeOfControlRedemptionMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Combined Value, Make-Whole And Qualifying Change Of Control Redemption [Member]", "label": "Combined Value, Make-Whole And Qualifying Change Of Control Redemption [Member]", "terseLabel": "Combined value of the make-whole and qualifying change of control redemption" } } }, "localname": "CombinedValueMakeWholeAndQualifyingChangeOfControlRedemptionMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_CommonStockPercentageofSharesOutstandingOwned": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Common Stock, Percentage of Shares Outstanding Owned", "label": "Common Stock, Percentage of Shares Outstanding Owned", "terseLabel": "Ownership percentage common stock outstanding shares" } } }, "localname": "CommonStockPercentageofSharesOutstandingOwned", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "percentItemType" }, "scor_ContractTerminationandOtherDirectCostsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Contract Termination and Other Direct Costs", "label": "Contract Termination and Other Direct Costs [Member]", "terseLabel": "Short-term lease exit and other direct costs" } } }, "localname": "ContractTerminationandOtherDirectCostsMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuringAccruedRestructuringExpensesChangesinAccruedAmountsandAdditionalRestructuringCostsDetails" ], "xbrltype": "domainItemType" }, "scor_ContractWithCustomerLiabilityCustomerAdvancesCurrent": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 4.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Contract With Customer, Liability, Customer Advances, Current", "label": "Contract With Customer, Liability, Customer Advances, Current", "terseLabel": "Customer advances", "verboseLabel": "Current customer advances" } } }, "localname": "ContractWithCustomerLiabilityCustomerAdvancesCurrent", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.comscore.com/role/RevenueRecognitionContractBalancesDetails" ], "xbrltype": "monetaryItemType" }, "scor_ContractwithCustomerLiabilityCurrentMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Contract with Customer, Liability, Current", "label": "Contract with Customer, Liability, Current [Member]", "verboseLabel": "Contract Liability (Current)" } } }, "localname": "ContractwithCustomerLiabilityCurrentMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionChangesinContractBalancesDetails" ], "xbrltype": "domainItemType" }, "scor_ContractwithCustomerLiabilityIncreasefromCashReceiptsOrAmountsBilledInAdvance": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Contract with Customer, Liability, Increase from Cash Receipts Or Amounts Billed In Advance", "label": "Contract with Customer, Liability, Increase from Cash Receipts Or Amounts Billed In Advance", "verboseLabel": "Cash received or amounts billed in advance and not recognized as revenue" } } }, "localname": "ContractwithCustomerLiabilityIncreasefromCashReceiptsOrAmountsBilledInAdvance", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionChangesinContractBalancesDetails" ], "xbrltype": "monetaryItemType" }, "scor_ConvertibleBondModelValuationTechniqueMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Convertible Bond Model Valuation Technique", "label": "Convertible Bond Model Valuation Technique [Member]", "terseLabel": "Convertible Bond Model" } } }, "localname": "ConvertibleBondModelValuationTechniqueMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_DebtInstrumentAccordionFeatureIncreaseLimit": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Debt Instrument, Accordion Feature, Increase Limit", "label": "Debt Instrument, Accordion Feature, Increase Limit", "verboseLabel": "Right to increase borrowing" } } }, "localname": "DebtInstrumentAccordionFeatureIncreaseLimit", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "scor_DebtInstrumentConvertibleConversionPricePercentage": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Debt Instrument, Convertible, Conversion Price Percentage", "label": "Debt Instrument, Convertible, Conversion Price Percentage", "terseLabel": "Conversion price percentage" } } }, "localname": "DebtInstrumentConvertibleConversionPricePercentage", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "percentItemType" }, "scor_DebtInstrumentConvertibleConversionPricePercentagePremiumOfTradingPrice": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Debt Instrument, Convertible, Conversion Price, Percentage Premium Of Trading Price", "label": "Debt Instrument, Convertible, Conversion Price, Percentage Premium Of Trading Price", "terseLabel": "Conversion price, percentage premium of trading price" } } }, "localname": "DebtInstrumentConvertibleConversionPricePercentagePremiumOfTradingPrice", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "percentItemType" }, "scor_DebtInstrumentConvertibleMaximumPercentageExchangeableForCommonStock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Debt Instrument, Convertible, Maximum Percentage Exchangeable For Common Stock", "label": "Debt Instrument, Convertible, Maximum Percentage Exchangeable For Common Stock", "terseLabel": "Maximum percentage exchangeable for common stock" } } }, "localname": "DebtInstrumentConvertibleMaximumPercentageExchangeableForCommonStock", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "percentItemType" }, "scor_DebtInstrumentCovenantPeriodAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Debt Instrument, Covenant Period [Axis]", "label": "Debt Instrument, Covenant Period [Axis]", "terseLabel": "Debt Instrument, Covenant Period [Axis]" } } }, "localname": "DebtInstrumentCovenantPeriodAxis", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "stringItemType" }, "scor_DebtInstrumentCovenantPeriodDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "[Domain] for Debt Instrument, Covenant Period [Axis]", "label": "Debt Instrument, Covenant Period [Domain]", "terseLabel": "Debt Instrument, Covenant Period [Domain]" } } }, "localname": "DebtInstrumentCovenantPeriodDomain", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_DebtInstrumentCovenantPeriodOneMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Debt Instrument, Covenant Period One [Member]", "label": "Debt Instrument, Covenant Period One [Member]", "terseLabel": "Debt covenant, period one" } } }, "localname": "DebtInstrumentCovenantPeriodOneMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_DebtInstrumentCovenantPeriodTwoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Debt Instrument, Covenant Period Two [Member]", "label": "Debt Instrument, Covenant Period Two [Member]", "terseLabel": "Debt covenant, period two" } } }, "localname": "DebtInstrumentCovenantPeriodTwoMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_DebtInstrumentCovenantRedemptionPremiumOnQualifyingChangeOfControlPercentage": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Debt Instrument, Covenant, Redemption Premium On Qualifying Change Of Control, Percentage", "label": "Debt Instrument, Covenant, Redemption Premium On Qualifying Change Of Control, Percentage", "terseLabel": "Debt instrument, covenant, premium on qualifying change of control" } } }, "localname": "DebtInstrumentCovenantRedemptionPremiumOnQualifyingChangeOfControlPercentage", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "percentItemType" }, "scor_DebtInstrumentCovenantTermsMinimumCashBalance": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Debt Instrument, Covenant Terms, Minimum Cash Balance", "label": "Debt Instrument, Covenant Terms, Minimum Cash Balance", "terseLabel": "Debt instrument, covenant, minimum cash balance" } } }, "localname": "DebtInstrumentCovenantTermsMinimumCashBalance", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "monetaryItemType" }, "scor_DebtInstrumentRightOfferingAdditionalBorrowingOption": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Debt Instrument, Right Offering, Additional Borrowing Option", "label": "Debt Instrument, Right Offering, Additional Borrowing Option", "terseLabel": "Additional borrowing option" } } }, "localname": "DebtInstrumentRightOfferingAdditionalBorrowingOption", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "scor_DebtInstrumentThirdPartyBackstopCommitment": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Debt Instrument, Third Party Backstop Commitment", "label": "Debt Instrument, Third Party Backstop Commitment", "terseLabel": "Backstop commitment by third party" } } }, "localname": "DebtInstrumentThirdPartyBackstopCommitment", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "scor_DebtInstrumentThirdPartyBackstopCommitmentOptionNotesPurchased": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Debt Instrument, Third Party Backstop Commitment, Option Notes Purchased", "label": "Debt Instrument, Third Party Backstop Commitment, Option Notes Purchased", "terseLabel": "Backstop reduced by the amount of option notes purchased" } } }, "localname": "DebtInstrumentThirdPartyBackstopCommitmentOptionNotesPurchased", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "scor_DebtInstrumentUnamortizedDiscountAtInception": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Debt Instrument, Unamortized Discount At Inception", "label": "Debt Instrument, Unamortized Discount At Inception", "terseLabel": "Debt issuance discount at inception of notes" } } }, "localname": "DebtInstrumentUnamortizedDiscountAtInception", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "scor_DecreaseInValuationAllowancesAndReserves": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Decrease In Valuation Allowances And Reserves", "label": "Decrease In Valuation Allowances And Reserves", "negatedTerseLabel": "Reductions" } } }, "localname": "DecreaseInValuationAllowancesAndReserves", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/IncomeTaxesDeferredTaxAssetValuationAllowanceDetails" ], "xbrltype": "monetaryItemType" }, "scor_DeferredTaxAssetsCapitalLeases": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails": { "order": 7.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Deferred Tax Assets Capital Leases", "label": "Deferred Tax Assets Capital Leases", "terseLabel": "Lease liability" } } }, "localname": "DeferredTaxAssetsCapitalLeases", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "scor_DeferredTaxLiabilityRightOfUseLeaseAsset": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails": { "order": 3.0, "parentTag": "us-gaap_DeferredIncomeTaxLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Deferred Tax Liability, Right-Of-Use Lease Asset", "label": "Deferred Tax Liability, Right-Of-Use Lease Asset", "negatedTerseLabel": "Lease asset" } } }, "localname": "DeferredTaxLiabilityRightOfUseLeaseAsset", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "scor_DeferredTaxLiabilitySubPartFIncomeRecapture": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails": { "order": 5.0, "parentTag": "us-gaap_DeferredIncomeTaxLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Deferred Tax Liability, SubPart F Income Recapture", "label": "Deferred Tax Liability, SubPart F Income Recapture", "negatedTerseLabel": "Subpart F income recapture" } } }, "localname": "DeferredTaxLiabilitySubPartFIncomeRecapture", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "scor_DeferredTaxValuationAllowanceRollForward": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Deferred Tax Valuation Allowance [Roll Forward]", "label": "Deferred Tax Valuation Allowance [Roll Forward]", "terseLabel": "Deferred Tax Valuation Allowance [Roll Forward]" } } }, "localname": "DeferredTaxValuationAllowanceRollForward", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/IncomeTaxesDeferredTaxAssetValuationAllowanceDetails" ], "xbrltype": "stringItemType" }, "scor_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseInterestAndDerivativesPercent": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails": { "order": 4.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Effective Income Tax Rate Reconciliation, Nondeductible Expense, Interest And Derivatives, Percent", "label": "Effective Income Tax Rate Reconciliation, Nondeductible Expense, Interest And Derivatives, Percent", "terseLabel": "Nondeductible interest and derivatives" } } }, "localname": "EffectiveIncomeTaxRateReconciliationNondeductibleExpenseInterestAndDerivativesPercent", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "percentItemType" }, "scor_EffectiveIncomeTaxRateReconciliationPermanentDifferencesAmount": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Effective Income Tax Rate Reconciliation, Permanent Differences, Amount", "label": "Effective Income Tax Rate Reconciliation, Permanent Differences, Amount", "terseLabel": "Income tax expense from permanent book and tax differences" } } }, "localname": "EffectiveIncomeTaxRateReconciliationPermanentDifferencesAmount", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "scor_EffectiveIncomeTaxRateReconciliationStockCompensationShortfalls": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails": { "order": 8.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": -1.0 } }, "lang": { "en-us": { "role": { "documentation": "Effective income tax rate reconciliation, stock compensation shortfalls", "label": "Effective Income Tax Rate Reconciliation, Stock Compensation Shortfalls", "negatedLabel": "Executive compensation" } } }, "localname": "EffectiveIncomeTaxRateReconciliationStockCompensationShortfalls", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "percentItemType" }, "scor_EffectiveIncomeTaxRateReconciliationSubscriptionReceivablePercent": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails": { "order": 10.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Effective Income Tax Rate Reconciliation, Subscription Receivable, Percent", "label": "Effective Income Tax Rate Reconciliation, Subscription Receivable, Percent", "terseLabel": "Subscription receivable" } } }, "localname": "EffectiveIncomeTaxRateReconciliationSubscriptionReceivablePercent", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "percentItemType" }, "scor_EmployeesDirectorsandCertainConsultantsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Employees, Directors and Certain Consultants", "label": "Employees, Directors and Certain Consultants [Member]", "terseLabel": "Employees, Directors and Certain Consultants" } } }, "localname": "EmployeesDirectorsandCertainConsultantsMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_EquityAndIncentiveCompensationPlan2019Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Equity and Incentive Compensation Plan 2019", "label": "Equity and Incentive Compensation Plan 2019 [Member]", "terseLabel": "2019 Plan" } } }, "localname": "EquityAndIncentiveCompensationPlan2019Member", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_EquityandIncentiveCompensationPlan2018Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Equity and Incentive Compensation Plan 2018", "label": "Equity and Incentive Compensation Plan 2018 [Member]", "terseLabel": "2018 Plan" } } }, "localname": "EquityandIncentiveCompensationPlan2018Member", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_ExercisePriceFourMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Exercise Price Four [Member]", "label": "Exercise Price Four [Member]", "terseLabel": "$40.80" } } }, "localname": "ExercisePriceFourMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityExercisePriceRangeDetails" ], "xbrltype": "domainItemType" }, "scor_ExercisePriceOneMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Exercise Price One [Member]", "label": "Exercise Price One [Member]", "terseLabel": "$3.21 - $5.38" } } }, "localname": "ExercisePriceOneMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityExercisePriceRangeDetails" ], "xbrltype": "domainItemType" }, "scor_ExercisePriceThreeMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Exercise Price Three [Member]", "label": "Exercise Price Three [Member]", "terseLabel": "$20.11 - $23.22" } } }, "localname": "ExercisePriceThreeMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityExercisePriceRangeDetails" ], "xbrltype": "domainItemType" }, "scor_ExercisePriceTwoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Exercise Price Two [Member]", "label": "Exercise Price Two [Member]", "terseLabel": "$10.35 - $19.31" } } }, "localname": "ExercisePriceTwoMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityExercisePriceRangeDetails" ], "xbrltype": "domainItemType" }, "scor_FairValueInvestmentsNetAssetValuePerShareAmount": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Fair Value, Investments, Net Asset Value Per Share Amount", "label": "Fair Value, Investments, Net Asset Value Per Share Amount", "terseLabel": "Money market funds, stable net asset value per share (in dollars per share)" } } }, "localname": "FairValueInvestmentsNetAssetValuePerShareAmount", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails" ], "xbrltype": "perShareItemType" }, "scor_FinanceLeaseCost": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Finance Lease, Cost", "label": "Finance Lease, Cost", "totalLabel": "Total finance lease cost" } } }, "localname": "FinanceLeaseCost", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails" ], "xbrltype": "monetaryItemType" }, "scor_FinanceLeaseCost1Abstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Finance Lease, Cost1 [Abstract]", "label": "Finance Lease, Cost1 [Abstract]", "terseLabel": "Finance Lease, Cost1 [Abstract]" } } }, "localname": "FinanceLeaseCost1Abstract", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails" ], "xbrltype": "stringItemType" }, "scor_FiniteLivedIntangibleAssetsAccumulatedImpairment": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/GoodwillandIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetail": { "order": 3.0, "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Finite-Lived Intangible Assets, Accumulated Impairment", "label": "Finite-Lived Intangible Assets, Accumulated Impairment", "negatedTerseLabel": "Accumulated Impairment" } } }, "localname": "FiniteLivedIntangibleAssetsAccumulatedImpairment", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetail" ], "xbrltype": "monetaryItemType" }, "scor_FixedLeaseCost": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails": { "order": 1.0, "parentTag": "us-gaap_OperatingLeaseCost", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Fixed Lease, Cost", "label": "Fixed Lease, Cost", "terseLabel": "Fixed lease cost" } } }, "localname": "FixedLeaseCost", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails" ], "xbrltype": "monetaryItemType" }, "scor_GeneralAndAdministrativeExpensesPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "General And Administrative Expenses, Policy [Policy Text Block]", "label": "General And Administrative Expenses, Policy [Policy Text Block]", "terseLabel": "General and Administrative" } } }, "localname": "GeneralAndAdministrativeExpensesPolicyPolicyTextBlock", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "scor_ImpairmentOfLongLivedAssetsHeldForUseAndOperatingLeaseRightOfUseAssets": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 24.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 }, "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS": { "order": 11.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 }, "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail": { "order": 10.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Impairment Of Long-Lived Assets Held-For-Use And Operating Lease Right-Of-Use Assets", "label": "Impairment Of Long-Lived Assets Held-For-Use And Operating Lease Right-Of-Use Assets", "terseLabel": "Impairment of right-of-use and long-lived assets" } } }, "localname": "ImpairmentOfLongLivedAssetsHeldForUseAndOperatingLeaseRightOfUseAssets", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS", "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "monetaryItemType" }, "scor_IncreaseDecreaseInOperatingLeaseLiabilities": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 22.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Increase (Decrease) In Operating Lease Liabilities", "label": "Increase (Decrease) In Operating Lease Liabilities", "terseLabel": "Current operating lease liability" } } }, "localname": "IncreaseDecreaseInOperatingLeaseLiabilities", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "scor_IncreaseDecreaseinContractwithCustomerLiabilityandCustomerAdvances": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 21.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Increase (Decrease) in Contract with Customer, Liability and Customer Advances", "label": "Increase (Decrease) in Contract with Customer, Liability and Customer Advances", "terseLabel": "Contract liability and customer advances" } } }, "localname": "IncreaseDecreaseinContractwithCustomerLiabilityandCustomerAdvances", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "scor_IncreaseInValuationAllowancesAndReserves": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Increase In Valuation Allowances And Reserves", "label": "Increase In Valuation Allowances And Reserves", "terseLabel": "Additions" } } }, "localname": "IncreaseInValuationAllowancesAndReserves", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/IncomeTaxesDeferredTaxAssetValuationAllowanceDetails" ], "xbrltype": "monetaryItemType" }, "scor_InitialNotesIssuedJanuary162018Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Initial Notes Issued January 16, 2018", "label": "Initial Notes Issued January 16, 2018 [Member]", "verboseLabel": "Initial Notes, due January 16, 2022" } } }, "localname": "InitialNotesIssuedJanuary162018Member", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/DebtScheduleofDebtDetails" ], "xbrltype": "domainItemType" }, "scor_InterestIncomeExpenseNetRelatedParties": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Interest Income (Expense), Net, Related Parties", "label": "Interest Income (Expense), Net, Related Parties", "negatedLabel": "Interest expense", "terseLabel": "Interest expense, net", "verboseLabel": "Interest income" } } }, "localname": "InterestIncomeExpenseNetRelatedParties", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSParenthetical", "http://www.comscore.com/role/RelatedPartyTransactionsNarrativeDetails", "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails" ], "xbrltype": "monetaryItemType" }, "scor_InterestMakeWholeDerivativeLiabilityMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Interest Make-Whole Derivative Liability", "label": "Interest Make-Whole Derivative Liability [Member]", "terseLabel": "Interest Make-whole Derivative Liability" } } }, "localname": "InterestMakeWholeDerivativeLiabilityMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails", "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails", "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails" ], "xbrltype": "domainItemType" }, "scor_InvestigationandAuditRelatedExpensesPolicyTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Investigation and Audit Related Expenses [Policy Text Block]", "label": "Investigation and Audit Related Expenses [Policy Text Block]", "terseLabel": "Investigation and Audit Related" } } }, "localname": "InvestigationandAuditRelatedExpensesPolicyTextBlock", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "scor_LeaseDiscountRatePercent": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Lease, Discount Rate, Percent", "label": "Lease, Discount Rate, Percent", "terseLabel": "Leases discount rate" } } }, "localname": "LeaseDiscountRatePercent", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "percentItemType" }, "scor_LeaseRemainingLeaseTerm": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Lease, Remaining Lease Term", "label": "Lease, Remaining Lease Term", "terseLabel": "Remaining lease terms (in years)" } } }, "localname": "LeaseRemainingLeaseTerm", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/LeasesNarrativeDetails" ], "xbrltype": "durationItemType" }, "scor_LeaseRemainingLeaseTermSublease": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Lease, Remaining Lease Term, Sublease", "label": "Lease, Remaining Lease Term, Sublease", "terseLabel": "Remaining lease term for sublease (in years)" } } }, "localname": "LeaseRemainingLeaseTermSublease", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/LeasesNarrativeDetails" ], "xbrltype": "durationItemType" }, "scor_LeaseholdImprovementsAcquiredThroughLeaseIncentives": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Leasehold Improvements Acquired Through Lease Incentives", "label": "Leasehold Improvements Acquired Through Lease Incentives", "terseLabel": "Leasehold improvements acquired through lease incentives" } } }, "localname": "LeaseholdImprovementsAcquiredThroughLeaseIncentives", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "scor_LesseeLeaseRenewalTerm": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Lessee, Lease, Renewal Term", "label": "Lessee, Lease, Renewal Term", "terseLabel": "Lease extension term (in years)" } } }, "localname": "LesseeLeaseRenewalTerm", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/LeasesNarrativeDetails" ], "xbrltype": "durationItemType" }, "scor_LesseeLeaseTerminationPeriod": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Lessee, Lease, Termination Period", "label": "Lessee, Lease, Termination Period", "terseLabel": "Lease termination period (in years)" } } }, "localname": "LesseeLeaseTerminationPeriod", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/LeasesNarrativeDetails" ], "xbrltype": "durationItemType" }, "scor_LightspeedMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Lightspeed [Member]", "label": "Lightspeed [Member]", "terseLabel": "Lightspeed" } } }, "localname": "LightspeedMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_LongTermContractTerminationandOtherDirectCostsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Long-Term Contract Termination and Other Direct Costs [Member]", "label": "Long-Term Contract Termination and Other Direct Costs [Member]", "terseLabel": "Long-term lease exit and other direct costs" } } }, "localname": "LongTermContractTerminationandOtherDirectCostsMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuringAccruedRestructuringExpensesChangesinAccruedAmountsandAdditionalRestructuringCostsDetails" ], "xbrltype": "domainItemType" }, "scor_MakeWholeChangeOfControlMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Make Whole Change Of Control [Member]", "label": "Make Whole Change Of Control [Member]", "terseLabel": "Make-whole change of control redemption", "verboseLabel": "Make-whole change of control" } } }, "localname": "MakeWholeChangeOfControlMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails", "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails" ], "xbrltype": "domainItemType" }, "scor_MarketBasedRestrictedStockUnitsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Market-Based Restricted Stock Units [Member]", "label": "Market-Based Restricted Stock Units [Member]", "terseLabel": "Market-based Restricted Stock Units" } } }, "localname": "MarketBasedRestrictedStockUnitsMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_May2019RestructuringPlanMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "May 2019 Restructuring Plan [Member]", "label": "May 2019 Restructuring Plan [Member]", "terseLabel": "May 2019 Restructuring Plan" } } }, "localname": "May2019RestructuringPlanMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuringAccruedRestructuringExpensesChangesinAccruedAmountsandAdditionalRestructuringCostsDetails", "http://www.comscore.com/role/OrganizationalRestructuringNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_MeasurementInputChangeOfControlProbabilityRateMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Measurement Input, Change Of Control Probability Rate", "label": "Measurement Input, Change Of Control Probability Rate [Member]", "terseLabel": "Change of control probability rate", "verboseLabel": "Change of control probability" } } }, "localname": "MeasurementInputChangeOfControlProbabilityRateMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_MeasurementInputCostOfDebtMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Measurement Input, Cost Of Debt [Member]", "label": "Measurement Input, Cost Of Debt [Member]", "terseLabel": "Cost of debt", "verboseLabel": "Cost of debt" } } }, "localname": "MeasurementInputCostOfDebtMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_MeasurementInputProbabilityRateMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Measurement Input, Probability Rate", "label": "Measurement Input, Probability Rate [Member]", "terseLabel": "Probability" } } }, "localname": "MeasurementInputProbabilityRateMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_MeasurementInputRecapitalizationProbabilityMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Measurement Input, Recapitalization Probability", "label": "Measurement Input, Recapitalization Probability [Member]", "terseLabel": "Recapitalization probability" } } }, "localname": "MeasurementInputRecapitalizationProbabilityMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails" ], "xbrltype": "domainItemType" }, "scor_MoviesReportingandAnalyticsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Movies Reporting and Analytics", "label": "Movies Reporting and Analytics [Member]", "verboseLabel": "Movies Reporting and Analytics" } } }, "localname": "MoviesReportingandAnalyticsMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionDisaggregationofRevenueDetails" ], "xbrltype": "domainItemType" }, "scor_NoncashExpenseInterestExpenseOnConvertibleDebt": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 13.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Noncash Expense, Interest Expense On Convertible Debt", "label": "Noncash Expense, Interest Expense On Convertible Debt", "terseLabel": "Non-cash interest expense on senior secured convertible notes (related party)" } } }, "localname": "NoncashExpenseInterestExpenseOnConvertibleDebt", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "scor_NoncashorPartNoncashLitigationSettlement": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Noncash or Part Noncash Litigation Settlement", "label": "Noncash or Part Noncash Litigation Settlement", "terseLabel": "Insurance recovery on litigation settlement" } } }, "localname": "NoncashorPartNoncashLitigationSettlement", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "scor_NoteOptionDerivativeLiabilitySettlement": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Note Option Derivative Liability Settlement", "label": "Note Option Derivative Liability Settlement", "terseLabel": "Notes Option derivative liability settlement" } } }, "localname": "NoteOptionDerivativeLiabilitySettlement", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "scor_NumberOfFixedMembersOnTheCompanysBoardOfDirectors": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number Of Fixed Members On The Company's Board Of Directors", "label": "Number Of Fixed Members On The Company's Board Of Directors", "terseLabel": "Number of fixed members on the Company's Board of Directors" } } }, "localname": "NumberOfFixedMembersOnTheCompanysBoardOfDirectors", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "integerItemType" }, "scor_NumberOfNoncancelableShortTermSubleases": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number Of Noncancelable, Short-Term Subleases", "label": "Number Of Noncancelable, Short-Term Subleases", "terseLabel": "Number of noncancelable short-term subleases" } } }, "localname": "NumberOfNoncancelableShortTermSubleases", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/LeasesNarrativeDetails" ], "xbrltype": "integerItemType" }, "scor_NumberOfNoncancelableSubleasedProperties": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number Of Noncancelable Subleased Properties", "label": "Number Of Noncancelable Subleased Properties", "terseLabel": "Number of remaining noncancelable subleased properties" } } }, "localname": "NumberOfNoncancelableSubleasedProperties", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/LeasesNarrativeDetails" ], "xbrltype": "integerItemType" }, "scor_NumberOfRealEstatePropertiesSubleased": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number Of Real Estate Properties Subleased", "label": "Number Of Real Estate Properties Subleased", "terseLabel": "Number of real estate properties" } } }, "localname": "NumberOfRealEstatePropertiesSubleased", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/LeasesNarrativeDetails" ], "xbrltype": "integerItemType" }, "scor_NumberOfSeriesOfWarrants": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number Of Series Of Warrants", "label": "Number Of Series Of Warrants", "terseLabel": "Number of series of warrants" } } }, "localname": "NumberOfSeriesOfWarrants", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/OrganizationDetails" ], "xbrltype": "integerItemType" }, "scor_NumberOfSubleasesContainingOptionsToRenewOrTerminateAgreement": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number Of Subleases Containing Options To Renew Or Terminate Agreement", "label": "Number Of Subleases Containing Options To Renew Or Terminate Agreement", "terseLabel": "Number of subleases containing options to renew or terminate agreement" } } }, "localname": "NumberOfSubleasesContainingOptionsToRenewOrTerminateAgreement", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/LeasesNarrativeDetails" ], "xbrltype": "integerItemType" }, "scor_OfficeEquipmentAndFurnitureMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Office Equipment And Furniture [Member]", "label": "Office Equipment And Furniture [Member]", "terseLabel": "Office equipment, furniture, and other" } } }, "localname": "OfficeEquipmentAndFurnitureMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/PropertyandEquipmentPropertyandEquipmentUnderCapitalLeaseObligationsDetail" ], "xbrltype": "domainItemType" }, "scor_OperatingLeaseCostAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Operating Lease, Cost [Abstract]", "label": "Operating Lease, Cost [Abstract]", "terseLabel": "Operating Lease, Cost [Abstract]" } } }, "localname": "OperatingLeaseCostAbstract", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails" ], "xbrltype": "stringItemType" }, "scor_OperatingLeaseNumberofContractsTerminated": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Operating Lease, Number of Contracts Terminated", "label": "Operating Lease, Number of Contracts Terminated", "terseLabel": "Number of operating leases terminated" } } }, "localname": "OperatingLeaseNumberofContractsTerminated", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuringNarrativeDetails" ], "xbrltype": "integerItemType" }, "scor_OperatingLeaseRightOfUseAssetAndLeaseholdImprovementsMeasurementInput": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Operating Lease, Right Of Use Asset And Leasehold Improvements, Measurement Input", "label": "Operating Lease, Right Of Use Asset And Leasehold Improvements, Measurement Input", "terseLabel": "ROU assets and leasehold improvements, measurement input" } } }, "localname": "OperatingLeaseRightOfUseAssetAndLeaseholdImprovementsMeasurementInput", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "decimalItemType" }, "scor_OperatingSubLeaseNumberofContracts": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Operating Sub-Lease, Number of Contracts", "label": "Operating Sub-Lease, Number of Contracts", "terseLabel": "Number of sub-leases extended" } } }, "localname": "OperatingSubLeaseNumberofContracts", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuringNarrativeDetails" ], "xbrltype": "integerItemType" }, "scor_OptionNotesIssuedMay172018Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Option Notes Issued May 17, 2018", "label": "Option Notes Issued May 17, 2018 [Member]", "terseLabel": "Option Notes, due January 16, 2022" } } }, "localname": "OptionNotesIssuedMay172018Member", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/DebtScheduleofDebtDetails" ], "xbrltype": "domainItemType" }, "scor_OptionPricingModelValuationTechniqueMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Option Pricing Model Valuation Technique", "label": "Option Pricing Model Valuation Technique [Member]", "terseLabel": "Option pricing model" } } }, "localname": "OptionPricingModelValuationTechniqueMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails" ], "xbrltype": "domainItemType" }, "scor_OtherCountryMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Other Country [Member]", "label": "Other Country [Member]", "terseLabel": "Other" } } }, "localname": "OtherCountryMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/PropertyandEquipmentScheduleofCompositionoftheCompanysPropertyandEquipmentDetail", "http://www.comscore.com/role/RevenueRecognitionDisaggregationofRevenueDetails" ], "xbrltype": "domainItemType" }, "scor_OtherMiscellaneousNonoperatingIncomeExpense": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesOtherIncomeExpenseNetDetails": { "order": 6.0, "parentTag": "us-gaap_OtherNonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Other Miscellaneous Non-operating Income (Expense)", "label": "Other Miscellaneous Non-operating Income (Expense)", "terseLabel": "Other" } } }, "localname": "OtherMiscellaneousNonoperatingIncomeExpense", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesOtherIncomeExpenseNetDetails" ], "xbrltype": "monetaryItemType" }, "scor_PanelMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Panel [Member]", "label": "Panel [Member]", "terseLabel": "Panel" } } }, "localname": "PanelMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetail", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesScheduleofUsefulLivesofFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "scor_PaymentsOfOtherDebtIssuanceCosts": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Payments Of Other Debt Issuance Costs", "label": "Payments Of Other Debt Issuance Costs", "negatedTerseLabel": "Secured term note issuance costs" } } }, "localname": "PaymentsOfOtherDebtIssuanceCosts", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "scor_PerformancebasedRestrictedStockUnitsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Performance-based Restricted Stock Units", "label": "Performance-based Restricted Stock Units [Member]", "terseLabel": "Performance-Based Restricted Stock Units" } } }, "localname": "PerformancebasedRestrictedStockUnitsMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_PineInvestorLLCMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Pine Investor, LLC", "label": "Pine Investor, LLC [Member]", "terseLabel": "Pine" } } }, "localname": "PineInvestorLLCMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "scor_PrivacyClassActionLitigationMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Privacy Class Action Litigation", "label": "Privacy Class Action Litigation [Member]", "terseLabel": "Privacy Class Action Litigation" } } }, "localname": "PrivacyClassActionLitigationMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CommitmentsandContingenciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_ProbabilityAdjustedBinomialLatticeModelValuationTechniqueMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Probability-Adjusted Binomial Lattice Model Valuation Technique", "label": "Probability-Adjusted Binomial Lattice Model Valuation Technique [Member]", "terseLabel": "Probability-adjusted Binomial Lattice Model" } } }, "localname": "ProbabilityAdjustedBinomialLatticeModelValuationTechniqueMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_ProceedsfromSubscriptionReceivableRelatedParty": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 6.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Proceeds from Subscription Receivable, Related Party", "label": "Proceeds from Subscription Receivable, Related Party", "terseLabel": "Financing proceeds received on subscription receivable (related party)" } } }, "localname": "ProceedsfromSubscriptionReceivableRelatedParty", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "scor_QualifyingChangeOfControlMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Qualifying Change Of Control [Member]", "label": "Qualifying Change Of Control [Member]", "terseLabel": "Qualifying change of control", "verboseLabel": "Qualifying change of control redemption derivative liability (2)" } } }, "localname": "QualifyingChangeOfControlMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails", "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails", "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails" ], "xbrltype": "domainItemType" }, "scor_QuarterlyFinancialInformationLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Quarterly Financial Information [Line Items]", "label": "Quarterly Financial Information [Line Items]", "terseLabel": "Quarterly Financial Information [Line Items]" } } }, "localname": "QuarterlyFinancialInformationLineItems", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "stringItemType" }, "scor_QuarterlyFinancialInformationTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Quarterly Financial Information [Table]", "label": "Quarterly Financial Information [Table]", "terseLabel": "Quarterly Financial Information [Table]" } } }, "localname": "QuarterlyFinancialInformationTable", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "stringItemType" }, "scor_QurateRetailIncMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Qurate Retail, Inc.", "label": "Qurate Retail, Inc. [Member]", "terseLabel": "Qurate" } } }, "localname": "QurateRetailIncMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "scor_RatingsandPlanningMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Ratings and Planning", "label": "Ratings and Planning [Member]", "terseLabel": "Ratings and Planning" } } }, "localname": "RatingsandPlanningMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionDisaggregationofRevenueDetails" ], "xbrltype": "domainItemType" }, "scor_RestatementandInvestigationExpense": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS": { "order": 5.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 }, "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail": { "order": 4.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Restatement and Investigation Expense", "label": "Restatement and Investigation Expense", "terseLabel": "Investigation and audit related" } } }, "localname": "RestatementandInvestigationExpense", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "monetaryItemType" }, "scor_RestrictedStockAndRestrictedStockUnitsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Restricted Stock And Restricted Stock units [Member]", "label": "Restricted Stock And Restricted Stock Units [Member]", "terseLabel": "Restricted Stock and Restricted Stock Units" } } }, "localname": "RestrictedStockAndRestrictedStockUnitsMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityNonvestedStockAwardsDetails" ], "xbrltype": "domainItemType" }, "scor_RestructuringReserveReversalDueToAdoptionOfNewAccountingPronouncement": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Restructuring Reserve, Reversal Due To Adoption Of New Accounting Pronouncement", "label": "Restructuring Reserve, Reversal Due To Adoption Of New Accounting Pronouncement", "terseLabel": "Adoption of ASC 842" } } }, "localname": "RestructuringReserveReversalDueToAdoptionOfNewAccountingPronouncement", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuringAccruedRestructuringExpensesChangesinAccruedAmountsandAdditionalRestructuringCostsDetails" ], "xbrltype": "monetaryItemType" }, "scor_SaleLeasebackTransactionMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Sale Leaseback Transaction [Member]", "label": "Sale Leaseback Transaction [Member]", "terseLabel": "Failed Sale Leaseback Transaction" } } }, "localname": "SaleLeasebackTransactionMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_SaleLeasebackTransactionProceedsFinancingActivities": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 7.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Sale Leaseback Transaction, Proceeds, Financing Activities", "label": "Sale Leaseback Transaction, Proceeds, Financing Activities", "terseLabel": "Proceeds from sale-leaseback financing transaction" } } }, "localname": "SaleLeasebackTransactionProceedsFinancingActivities", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "scor_SaleLeasebackTransactionProceedsFromTheFailedSaleOfTheAssets": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Sale Leaseback Transaction, Proceeds From The Failed Sale Of The Assets", "label": "Sale Leaseback Transaction, Proceeds From The Failed Sale Of The Assets", "terseLabel": "Sale leaseback transaction, proceeds from the failed sale of the assets" } } }, "localname": "SaleLeasebackTransactionProceedsFromTheFailedSaleOfTheAssets", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "scor_SaleLeasebackTransactionTermOfContract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Sale Leaseback Transaction, Term Of Contract", "label": "Sale Leaseback Transaction, Term Of Contract", "terseLabel": "Sale leaseback transaction, term of contract" } } }, "localname": "SaleLeasebackTransactionTermOfContract", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "durationItemType" }, "scor_SaleLeasebackTransactionTotalConsideration": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Sale Leaseback Transaction, Total Consideration", "label": "Sale Leaseback Transaction, Total Consideration", "terseLabel": "Sale leaseback transaction, total consideration" } } }, "localname": "SaleLeasebackTransactionTotalConsideration", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "scor_ScheduleOfAcquiredFiniteLivedIntangibleAssetsWeightedAverageRemainingUsefulLifeTableTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Schedule of Acquired Finite Lived Intangible Assets, Weighted Average Remaining Useful Life [Table Text Block].", "label": "Schedule Of Acquired Finite Lived Intangible Assets Weighted Average Remaining Useful Life Table [Table Text Block]", "terseLabel": "Weighted Average Remaining Amortization Period" } } }, "localname": "ScheduleOfAcquiredFiniteLivedIntangibleAssetsWeightedAverageRemainingUsefulLifeTableTableTextBlock", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsTables" ], "xbrltype": "textBlockItemType" }, "scor_ScheduleOfDeferredTaxAssetsValuationAllowanceTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Schedule Of Deferred Tax Assets Valuation Allowance [Table Text Block]", "label": "Schedule Of Deferred Tax Assets Valuation Allowance [Table Text Block]", "terseLabel": "Deferred Tax Asset Valuation Allowance Rollforward" } } }, "localname": "ScheduleOfDeferredTaxAssetsValuationAllowanceTableTextBlock", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "scor_SecuredTermNoteMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Secured Term Note [Member]", "label": "Secured Term Note [Member]", "terseLabel": "Secured Term Note", "verboseLabel": "Secured Term Note" } } }, "localname": "SecuredTermNoteMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/DebtScheduleofDebtDetails", "http://www.comscore.com/role/OrganizationDetails" ], "xbrltype": "domainItemType" }, "scor_SellingAndMarketingPolicyTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Selling And Marketing [Policy Text Block]", "label": "Selling And Marketing [Policy Text Block]", "terseLabel": "Selling and Marketing" } } }, "localname": "SellingAndMarketingPolicyTextBlock", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "scor_SeriesAWarrantMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Series A Warrant [Member]", "label": "Series A Warrant [Member]", "terseLabel": "Series A Warrants" } } }, "localname": "SeriesAWarrantMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails", "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityScheduleofFairValueofWarrantsDetails" ], "xbrltype": "domainItemType" }, "scor_SeriesB1WarrantMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Series B-1 Warrant [Member]", "label": "Series B-1 Warrant [Member]", "terseLabel": "Series B-1 Warrants" } } }, "localname": "SeriesB1WarrantMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityScheduleofFairValueofWarrantsDetails" ], "xbrltype": "domainItemType" }, "scor_SeriesB2WarrantMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Series B-2 Warrant [Member]", "label": "Series B-2 Warrant [Member]", "terseLabel": "Series B-2 Warrant" } } }, "localname": "SeriesB2WarrantMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails", "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityScheduleofFairValueofWarrantsDetails" ], "xbrltype": "domainItemType" }, "scor_SeriesCWarrantMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Series C Warrant [Member]", "label": "Series C Warrant [Member]", "terseLabel": "Series C Warrants" } } }, "localname": "SeriesCWarrantMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityScheduleofFairValueofWarrantsDetails" ], "xbrltype": "domainItemType" }, "scor_SettlementofShareBasedCompensationLiabilitiesThroughIssuanceofSharesAmount": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Settlement of Share-Based Compensation Liabilities Through Issuance of Shares, Amount", "label": "Settlement of Share-Based Compensation Liabilities Through Issuance of Shares, Amount", "terseLabel": "Settlement of restricted stock unit liability" } } }, "localname": "SettlementofShareBasedCompensationLiabilitiesThroughIssuanceofSharesAmount", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "scor_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedAggregateIntrinsicValue": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Share-based compensation arrangement by share-based payment award, equity instruments other than options, nonvested, aggregate intrinsic value", "label": "Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Aggregate Intrinsic Value", "terseLabel": "Aggregate intrinsic value for non-vested shares" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedAggregateIntrinsicValue", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "scor_ShareBasedCompensationArrangementByShareBasedPaymentAwardRatioOfAvailabilityOfNumberOfAuthorizedSharesOfCommonStockSubjectToAwardsOfOptionsRights": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Share-Based Compensation Arrangement By Share-Based Payment Award, Ratio Of Availability Of Number Of Authorized Shares Of Common Stock Subject To Awards Of Options Rights", "label": "Share-Based Compensation Arrangement By Share-Based Payment Award, Ratio Of Availability Of Number Of Authorized Shares Of Common Stock Subject To Awards Of Options Rights", "terseLabel": "Ratio of availability of number of authorized shares of common stock subject to awards of options rights (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardRatioOfAvailabilityOfNumberOfAuthorizedSharesOfCommonStockSubjectToAwardsOfOptionsRights", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "sharesItemType" }, "scor_ShareBasedCompensationArrangementByShareBasedPaymentAwardRatioOfAvailabilityOfNumberOfAuthorizedSharesOfCommonStockSubjectToAwardsOtherThanOptionsRights": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Share-Based Compensation Arrangement By Share-Based Payment Award, Ratio Of Availability Of Number Of Authorized Shares Of Common Stock Subject To Awards Other Than Options Rights", "label": "Share-Based Compensation Arrangement By Share-Based Payment Award, Ratio Of Availability Of Number Of Authorized Shares Of Common Stock Subject To Awards Other Than Options Rights", "terseLabel": "Ratio of availability of number of authorized shares of common stock subject to awards other than options rights (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardRatioOfAvailabilityOfNumberOfAuthorizedSharesOfCommonStockSubjectToAwardsOtherThanOptionsRights", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "sharesItemType" }, "scor_SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsExpectedForfeituresRate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Forfeitures Rate", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Forfeitures Rate", "terseLabel": "Forfeiture rate" } } }, "localname": "SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsExpectedForfeituresRate", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "percentItemType" }, "scor_SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsWithheldinPeriod": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Withheld in Period", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Withheld in Period", "terseLabel": "Options withheld (in shares)" } } }, "localname": "SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsWithheldinPeriod", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityStockOptionActivityDetails" ], "xbrltype": "sharesItemType" }, "scor_SharebasedCompensationArrangementbySharebasedPaymentAwardRatioofReductionofNumberofAuthorizedSharesofCommonStockSubjecttoAwardsOtherThanOptionsRights": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Share-based Compensation Arrangement by Share-based Payment Award, Ratio of Reduction of Number of Authorized Shares of Common Stock Subject to Awards Other Than Options Rights", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Ratio of Reduction of Number of Authorized Shares of Common Stock Subject to Awards Other Than Options Rights", "terseLabel": "Ratio of reduction of authorized shares per every common stock subject to awards other than option rights (in shares)" } } }, "localname": "SharebasedCompensationArrangementbySharebasedPaymentAwardRatioofReductionofNumberofAuthorizedSharesofCommonStockSubjecttoAwardsOtherThanOptionsRights", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "sharesItemType" }, "scor_SharebasedCompensationArrangementbySharebasedPaymentAwardRatioofReductionofNumberofAuthorizedSharesofCommonStockSubjecttoAwardsofOptionsRights": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Share-based Compensation Arrangement by Share-based Payment Award, Ratio of Reduction of Number of Authorized Shares of Common Stock Subject to Awards of Options Rights", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Ratio of Reduction of Number of Authorized Shares of Common Stock Subject to Awards of Options Rights", "terseLabel": "Ratio of reduction of authorized shares per every common stock subject to awards of option rights (in shares)" } } }, "localname": "SharebasedCompensationArrangementbySharebasedPaymentAwardRatioofReductionofNumberofAuthorizedSharesofCommonStockSubjecttoAwardsofOptionsRights", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "sharesItemType" }, "scor_StarboardNotesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Starboard Notes [Member]", "label": "Starboard Notes [Member]", "terseLabel": "Initial Notes" } } }, "localname": "StarboardNotesMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "scor_StarboardRightsOfferingMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Starboard Rights Offering [Member]", "label": "Starboard Rights Offering [Member]", "terseLabel": "Right Offering Notes" } } }, "localname": "StarboardRightsOfferingMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_StarboardValueLPMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Starboard Value LP [Member]", "label": "Starboard Value LP [Member]", "terseLabel": "Starboard Value LP" } } }, "localname": "StarboardValueLPMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY", "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/RelatedPartyTransactionsNarrativeDetails", "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "scor_StockIssuedDuringPeriodSharesIssuedForPaidInKindInterest": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Stock Issued During Period, Shares Issued For Paid-In-Kind Interest", "label": "Stock Issued During Period, Shares Issued For Paid-In-Kind Interest", "terseLabel": "Issuance of PIK Interest Shares (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesIssuedForPaidInKindInterest", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "sharesItemType" }, "scor_StockIssuedDuringPeriodSharesLitigationSettlement": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Stock Issued During Period, Shares, Litigation Settlement", "label": "Stock Issued During Period, Shares, Litigation Settlement", "terseLabel": "Shares issued in connection with settlement of litigation (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesLitigationSettlement", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "sharesItemType" }, "scor_StockIssuedDuringPeriodSharesPaidInKindInterestOnConvertibleNotes": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Stock Issued During Period, Shares, Paid In Kind Interest On Convertible Notes", "label": "Stock Issued During Period, Shares, Paid In Kind Interest On Convertible Notes", "terseLabel": "Interest paid in Common Stock (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesPaidInKindInterestOnConvertibleNotes", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "sharesItemType" }, "scor_StockIssuedDuringPeriodSharesRestrictedStockUnitsVested": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Stock Issued During Period Shares Restricted Stock Units Vested", "label": "Stock Issued During Period Shares Restricted Stock Units Vested", "terseLabel": "Restricted stock units vested (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesRestrictedStockUnitsVested", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "sharesItemType" }, "scor_StockIssuedDuringPeriodSharesWarrantsExercised": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Stock Issued During Period, Shares, Warrants Exercised", "label": "Stock Issued During Period, Shares, Warrants Exercised", "terseLabel": "Common Stock warrants exercised (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesWarrantsExercised", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY", "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "sharesItemType" }, "scor_StockIssuedDuringPeriodValueLitigationSettlement": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Stock Issued During Period, Value, Litigation Settlement", "label": "Stock Issued During Period, Value, Litigation Settlement", "terseLabel": "Shares issued in connection with settlement of litigation", "verboseLabel": "Shares issued in connection with settlement of litigation" } } }, "localname": "StockIssuedDuringPeriodValueLitigationSettlement", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS", "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "monetaryItemType" }, "scor_StockIssuedDuringPeriodValuePaidInKindInterestOnConvertibleNotes": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Stock Issued During Period, Value, Paid In Kind Interest On Convertible Notes", "label": "Stock Issued During Period, Value, Paid In Kind Interest On Convertible Notes", "negatedTerseLabel": "Interest paid in Common Stock" } } }, "localname": "StockIssuedDuringPeriodValuePaidInKindInterestOnConvertibleNotes", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "monetaryItemType" }, "scor_StockIssuedDuringPeriodValueRestrictedStockAwardVested": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Stock Issued During Period, Value, Restricted Stock Award, Vested", "label": "Stock Issued During Period, Value, Restricted Stock Award, Vested", "terseLabel": "Restricted stock units vested" } } }, "localname": "StockIssuedDuringPeriodValueRestrictedStockAwardVested", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "monetaryItemType" }, "scor_StockIssuedDuringPeriodValueWarrantsExercised": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Stock Issued During Period, Value, Warrants Exercised", "label": "Stock Issued During Period, Value, Warrants Exercised", "terseLabel": "Common Stock warrants exercised" } } }, "localname": "StockIssuedDuringPeriodValueWarrantsExercised", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "monetaryItemType" }, "scor_SubscriptionBasedRevenuesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Subscription Based Revenues", "label": "Subscription Based Revenues [Member]", "terseLabel": "Subscription Based Revenues" } } }, "localname": "SubscriptionBasedRevenuesMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_SubscriptionReceivableMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Subscription Receivable", "label": "Subscription Receivable [Member]", "terseLabel": "Subscription Receivable" } } }, "localname": "SubscriptionReceivableMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_SummaryOfSignificantAccountingPoliciesLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Summary Of Significant Accounting Policies [Line Items]", "label": "Summary Of Significant Accounting Policies [Line Items]", "terseLabel": "Summary of Significant Accounting Policies [Line Items]" } } }, "localname": "SummaryOfSignificantAccountingPoliciesLineItems", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "stringItemType" }, "scor_SummaryOfSignificantAccountingPoliciesTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Summary Of Significant Accounting Policies [Table]", "label": "Summary Of Significant Accounting Policies [Table]", "terseLabel": "Summary Of Significant Accounting Policies [Table]" } } }, "localname": "SummaryOfSignificantAccountingPoliciesTable", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "stringItemType" }, "scor_TimebasedRestrictedStockUnitsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Time-based Restricted Stock Units", "label": "Time-based Restricted Stock Units [Member]", "terseLabel": "Time-Based Restricted Stock Units" } } }, "localname": "TimebasedRestrictedStockUnitsMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "domainItemType" }, "scor_TransitionServicesAgreementIncome": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesOtherIncomeExpenseNetDetails": { "order": 1.0, "parentTag": "us-gaap_OtherNonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Transition Services Agreement Income", "label": "Transition Services Agreement Income", "verboseLabel": "Transition services agreement income" } } }, "localname": "TransitionServicesAgreementIncome", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesOtherIncomeExpenseNetDetails" ], "xbrltype": "monetaryItemType" }, "scor_WPPplcMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "WPP plc [Member]", "label": "WPP plc [Member]", "terseLabel": "WPP" } } }, "localname": "WPPplcMember", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/RelatedPartyTransactionsNarrativeDetails", "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails" ], "xbrltype": "domainItemType" }, "scor_WarrantIssuanceCostsNet": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Warrant Issuance Costs, Net", "label": "Warrant Issuance Costs, Net", "verboseLabel": "Adjustment to fair value of warrants allocated to additional paid in capital" } } }, "localname": "WarrantIssuanceCostsNet", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "scor_WarrantsIssued": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Warrants Issued", "label": "Warrants Issued", "terseLabel": "Fair value of warrants issued in private placement" } } }, "localname": "WarrantsIssued", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "scor_WeightedAverageNumberOfSharesUsedInPerShareCalculationsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Weighted-average number of shares used in per share calculations [Abstract].", "label": "Weighted-average number of shares used in per share calculations [Abstract]", "verboseLabel": "Weighted-average number of shares used in per share calculation - Common Stock:" } } }, "localname": "WeightedAverageNumberOfSharesUsedInPerShareCalculationsAbstract", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "stringItemType" }, "scor_WellsFargoBankN.A.Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Wells Fargo Bank, N.A.", "label": "Wells Fargo Bank, N.A. [Member]", "terseLabel": "Wells Fargo Bank, N.A." } } }, "localname": "WellsFargoBankN.A.Member", "nsuri": "http://www.comscore.com/20201231", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "srt_AffiliatedEntityMember": { "auth_ref": [ "r337", "r533", "r534", "r537", "r632" ], "lang": { "en-us": { "role": { "label": "Affiliated Entity [Member]", "terseLabel": "Affiliated entity" } } }, "localname": "AffiliatedEntityMember", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "srt_ChiefExecutiveOfficerMember": { "auth_ref": [ "r179" ], "lang": { "en-us": { "role": { "label": "Chief Executive Officer [Member]", "terseLabel": "Chief Executive Officer" } } }, "localname": "ChiefExecutiveOfficerMember", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "domainItemType" }, "srt_ConsolidationItemsAxis": { "auth_ref": [ "r159", "r163", "r164", "r165", "r166", "r168", "r170", "r173" ], "lang": { "en-us": { "role": { "label": "Consolidation Items [Axis]", "terseLabel": "Consolidation Items [Axis]" } } }, "localname": "ConsolidationItemsAxis", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionDisaggregationofRevenueDetails" ], "xbrltype": "stringItemType" }, "srt_ConsolidationItemsDomain": { "auth_ref": [ "r159", "r163", "r164", "r165", "r166", "r168", "r170", "r173" ], "lang": { "en-us": { "role": { "label": "Consolidation Items [Domain]", "terseLabel": "Consolidation Items [Domain]" } } }, "localname": "ConsolidationItemsDomain", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionDisaggregationofRevenueDetails" ], "xbrltype": "domainItemType" }, "srt_CounterpartyNameAxis": { "auth_ref": [ "r54", "r112" ], "lang": { "en-us": { "role": { "label": "Counterparty Name [Axis]", "terseLabel": "Counterparty Name [Axis]" } } }, "localname": "CounterpartyNameAxis", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY", "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/RelatedPartyTransactionsNarrativeDetails", "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember": { "auth_ref": [ "r122", "r129", "r197", "r384", "r385", "r386", "r427", "r428" ], "lang": { "en-us": { "role": { "label": "Cumulative Effect, Period of Adoption, Adjustment [Member]", "terseLabel": "Cumulative Effect, Period of Adoption, Adjustment" } } }, "localname": "CumulativeEffectPeriodOfAdoptionAdjustmentMember", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "domainItemType" }, "srt_CumulativeEffectPeriodOfAdoptionAxis": { "auth_ref": [ "r122", "r129", "r197", "r384", "r385", "r386", "r427", "r428" ], "lang": { "en-us": { "role": { "label": "Cumulative Effect, Period of Adoption [Axis]", "terseLabel": "Cumulative Effect, Period of Adoption [Axis]" } } }, "localname": "CumulativeEffectPeriodOfAdoptionAxis", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "stringItemType" }, "srt_CumulativeEffectPeriodOfAdoptionDomain": { "auth_ref": [ "r122", "r129", "r197", "r384", "r385", "r386", "r427", "r428" ], "lang": { "en-us": { "role": { "label": "Cumulative Effect, Period of Adoption [Domain]", "terseLabel": "Cumulative Effect, Period of Adoption [Domain]" } } }, "localname": "CumulativeEffectPeriodOfAdoptionDomain", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "domainItemType" }, "srt_EuropeMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Europe [Member]", "terseLabel": "Europe" } } }, "localname": "EuropeMember", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/PropertyandEquipmentScheduleofCompositionoftheCompanysPropertyandEquipmentDetail", "http://www.comscore.com/role/RevenueRecognitionDisaggregationofRevenueDetails" ], "xbrltype": "domainItemType" }, "srt_ExecutiveOfficerMember": { "auth_ref": [ "r179" ], "lang": { "en-us": { "role": { "label": "Executive Officer [Member]", "terseLabel": "Senior Executives" } } }, "localname": "ExecutiveOfficerMember", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "domainItemType" }, "srt_LatinAmericaMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Latin America [Member]", "terseLabel": "Latin America" } } }, "localname": "LatinAmericaMember", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/PropertyandEquipmentScheduleofCompositionoftheCompanysPropertyandEquipmentDetail", "http://www.comscore.com/role/RevenueRecognitionDisaggregationofRevenueDetails" ], "xbrltype": "domainItemType" }, "srt_LitigationCaseAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Litigation Case [Axis]", "terseLabel": "Litigation Case [Axis]" } } }, "localname": "LitigationCaseAxis", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/CommitmentsandContingenciesNarrativeDetails" ], "xbrltype": "stringItemType" }, "srt_LitigationCaseTypeDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Litigation Case [Domain]", "terseLabel": "Litigation Case Type [Domain]" } } }, "localname": "LitigationCaseTypeDomain", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/CommitmentsandContingenciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "srt_MaximumMember": { "auth_ref": [ "r339", "r341", "r547", "r548", "r549", "r550", "r551", "r552", "r553", "r600", "r603" ], "lang": { "en-us": { "role": { "label": "Maximum [Member]", "terseLabel": "Maximum" } } }, "localname": "MaximumMember", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails", "http://www.comscore.com/role/LeasesNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityWeightedAverageAssumptionsDetails", "http://www.comscore.com/role/SubsequentEventsDetails", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesScheduleofUsefulLivesofFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "srt_MinimumMember": { "auth_ref": [ "r339", "r341", "r547", "r548", "r549", "r550", "r551", "r552", "r553", "r600", "r603" ], "lang": { "en-us": { "role": { "label": "Minimum [Member]", "terseLabel": "Minimum" } } }, "localname": "MinimumMember", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails", "http://www.comscore.com/role/LeasesNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityWeightedAverageAssumptionsDetails", "http://www.comscore.com/role/SubsequentEventsDetails", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesScheduleofUsefulLivesofFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "srt_ProductOrServiceAxis": { "auth_ref": [ "r174", "r317", "r321", "r554", "r599", "r601" ], "lang": { "en-us": { "role": { "label": "Product and Service [Axis]", "terseLabel": "Product and Service [Axis]" } } }, "localname": "ProductOrServiceAxis", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionDisaggregationofRevenueDetails", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "stringItemType" }, "srt_ProductsAndServicesDomain": { "auth_ref": [ "r174", "r317", "r321", "r554", "r599", "r601" ], "lang": { "en-us": { "role": { "label": "Product and Service [Domain]", "terseLabel": "Product and Service [Domain]" } } }, "localname": "ProductsAndServicesDomain", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionDisaggregationofRevenueDetails", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "srt_RangeAxis": { "auth_ref": [ "r329", "r339", "r341", "r547", "r548", "r549", "r550", "r551", "r552", "r553", "r600", "r603" ], "lang": { "en-us": { "role": { "label": "Statistical Measurement [Axis]", "terseLabel": "Statistical Measurement [Axis]" } } }, "localname": "RangeAxis", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails", "http://www.comscore.com/role/LeasesNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityWeightedAverageAssumptionsDetails", "http://www.comscore.com/role/SubsequentEventsDetails", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesScheduleofUsefulLivesofFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "stringItemType" }, "srt_RangeMember": { "auth_ref": [ "r329", "r339", "r341", "r547", "r548", "r549", "r550", "r551", "r552", "r553", "r600", "r603" ], "lang": { "en-us": { "role": { "label": "Statistical Measurement [Domain]", "terseLabel": "Statistical Measurement [Domain]" } } }, "localname": "RangeMember", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails", "http://www.comscore.com/role/LeasesNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityWeightedAverageAssumptionsDetails", "http://www.comscore.com/role/SubsequentEventsDetails", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesScheduleofUsefulLivesofFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "srt_ReportableGeographicalComponentsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Reportable Geographical Components [Member]", "terseLabel": "Reportable Geographical Components" } } }, "localname": "ReportableGeographicalComponentsMember", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionDisaggregationofRevenueDetails" ], "xbrltype": "domainItemType" }, "srt_RepurchaseAgreementCounterpartyNameDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Counterparty Name [Domain]", "terseLabel": "Counterparty Name [Domain]" } } }, "localname": "RepurchaseAgreementCounterpartyNameDomain", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY", "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/RelatedPartyTransactionsNarrativeDetails", "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "srt_ScenarioForecastMember": { "auth_ref": [ "r340" ], "lang": { "en-us": { "role": { "label": "Forecast [Member]", "terseLabel": "Forecast" } } }, "localname": "ScenarioForecastMember", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "srt_ScenarioUnspecifiedDomain": { "auth_ref": [ "r340" ], "lang": { "en-us": { "role": { "label": "Scenario [Domain]", "terseLabel": "Scenario [Domain]" } } }, "localname": "ScenarioUnspecifiedDomain", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "srt_SegmentGeographicalDomain": { "auth_ref": [ "r175", "r176", "r317", "r322", "r602", "r623", "r624", "r625", "r626", "r627", "r628", "r629", "r630" ], "lang": { "en-us": { "role": { "label": "Geographical [Domain]", "terseLabel": "Geographical [Domain]" } } }, "localname": "SegmentGeographicalDomain", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsNarrativeDetail", "http://www.comscore.com/role/PropertyandEquipmentScheduleofCompositionoftheCompanysPropertyandEquipmentDetail", "http://www.comscore.com/role/RevenueRecognitionDisaggregationofRevenueDetails" ], "xbrltype": "domainItemType" }, "srt_StatementGeographicalAxis": { "auth_ref": [ "r175", "r176", "r317", "r322", "r602", "r618", "r623", "r624", "r625", "r626", "r627", "r628", "r629", "r630", "r631" ], "lang": { "en-us": { "role": { "label": "Geographical [Axis]", "terseLabel": "Geographical [Axis]" } } }, "localname": "StatementGeographicalAxis", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsNarrativeDetail", "http://www.comscore.com/role/PropertyandEquipmentScheduleofCompositionoftheCompanysPropertyandEquipmentDetail", "http://www.comscore.com/role/RevenueRecognitionDisaggregationofRevenueDetails" ], "xbrltype": "stringItemType" }, "srt_StatementScenarioAxis": { "auth_ref": [ "r264", "r340", "r542" ], "lang": { "en-us": { "role": { "label": "Scenario [Axis]", "terseLabel": "Scenario [Axis]" } } }, "localname": "StatementScenarioAxis", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "srt_TitleOfIndividualAxis": { "auth_ref": [ "r179", "r536" ], "lang": { "en-us": { "role": { "label": "Title of Individual [Axis]", "terseLabel": "Title of Individual [Axis]" } } }, "localname": "TitleOfIndividualAxis", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "stringItemType" }, "srt_TitleOfIndividualWithRelationshipToEntityDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Title of Individual [Domain]", "terseLabel": "Title of Individual [Domain]" } } }, "localname": "TitleOfIndividualWithRelationshipToEntityDomain", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccountingPoliciesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Accounting Policies [Abstract]", "terseLabel": "Accounting Policies [Abstract]" } } }, "localname": "AccountingPoliciesAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_AccountingStandardsUpdateExtensibleList": { "auth_ref": [ "r123", "r124", "r125", "r126", "r194", "r195", "r196", "r197", "r198", "r199", "r380", "r381", "r382", "r383", "r384", "r385", "r386", "r387", "r427", "r428", "r604", "r605", "r606", "r607", "r608", "r609", "r610", "r611", "r612", "r613", "r614", "r615" ], "lang": { "en-us": { "role": { "documentation": "Indicates amendment to accounting standards.", "label": "Accounting Standards Update [Extensible List]", "terseLabel": "Accounting Standards Update [Extensible List]" } } }, "localname": "AccountingStandardsUpdateExtensibleList", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "extensibleListItemType" }, "us-gaap_AccountsPayableCurrent": { "auth_ref": [ "r35" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 1.0, "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", "verboseLabel": "Accounts payable ($2,817 and $2,510 attributable to related parties, respectively)" } } }, "localname": "AccountsPayableCurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccountsPayableRelatedPartiesCurrent": { "auth_ref": [ "r35", "r116", "r535", "r537" ], "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", "verboseLabel": "Accounts payable" } } }, "localname": "AccountsPayableRelatedPartiesCurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccountsReceivableNetCurrent": { "auth_ref": [ "r4", "r21", "r180", "r181" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 3.0, "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, net", "verboseLabel": "Accounts receivable, net of allowances of $2,757 and $1,919, respectively ($4,045 and $2,698 of accounts receivable attributable to related parties, respectively)" } } }, "localname": "AccountsReceivableNetCurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.comscore.com/role/RevenueRecognitionContractBalancesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccountsReceivableRelatedPartiesCurrent": { "auth_ref": [ "r48", "r116", "r534", "r537" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of receivables arising from transactions with related parties due within one year or the normal operating cycle, if longer.", "label": "Accounts Receivable, Related Parties, Current", "verboseLabel": "Accounts receivable, net" } } }, "localname": "AccountsReceivableRelatedPartiesCurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccruedLiabilitiesCurrent": { "auth_ref": [ "r38" ], "calculation": { "http://www.comscore.com/role/AccruedExpensesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.comscore.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 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", "netLabel": "Accrued expenses", "terseLabel": "Accrued expenses ($835 and $6,902 attributable to related parties, respectively)", "totalLabel": "Total accrued expenses", "verboseLabel": "Accrued expenses" } } }, "localname": "AccruedLiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/AccruedExpensesDetails", "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccruedProfessionalFeesCurrent": { "auth_ref": [ "r8", "r9", "r38" ], "calculation": { "http://www.comscore.com/role/AccruedExpensesDetails": { "order": 3.0, "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 through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Accrued Professional Fees, Current", "terseLabel": "Professional fees" } } }, "localname": "AccruedProfessionalFeesCurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/AccruedExpensesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax": { "auth_ref": [ "r24", "r56", "r57", "r58", "r590", "r611", "r615" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 4.0, "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 loss" } } }, "localname": "AccumulatedOtherComprehensiveIncomeLossNetOfTax", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccumulatedOtherComprehensiveIncomeMember": { "auth_ref": [ "r55", "r58", "r59", "r119", "r120", "r121", "r452", "r606", "r607" ], "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": "Accumulated Other Comprehensive Loss" } } }, "localname": "AccumulatedOtherComprehensiveIncomeMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "domainItemType" }, "us-gaap_AcquiredFiniteLivedIntangibleAssetWeightedAveragePeriodBeforeRenewalOrExtension": { "auth_ref": [ "r221" ], "lang": { "en-us": { "role": { "documentation": "Weighted average period before the next renewal or extension for intangible assets with renewal or extension terms, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Acquired Finite-lived Intangible Asset, Weighted-Average Period before Renewal or Extension", "terseLabel": "Weighted average remaining amortization period (in years)" } } }, "localname": "AcquiredFiniteLivedIntangibleAssetWeightedAveragePeriodBeforeRenewalOrExtension", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsWeightedAverageRemainingAmortizationPeriodDetail" ], "xbrltype": "durationItemType" }, "us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems": { "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": "Acquired Finite-Lived Intangible Assets [Line Items]", "terseLabel": "Intangible Assets [Line Items]" } } }, "localname": "AcquiredFiniteLivedIntangibleAssetsLineItems", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsWeightedAverageRemainingAmortizationPeriodDetail" ], "xbrltype": "stringItemType" }, "us-gaap_AdditionalPaidInCapitalCommonStock": { "auth_ref": [ "r22" ], "calculation": { "http://www.comscore.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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdditionalPaidInCapitalMember": { "auth_ref": [ "r119", "r120", "r121", "r384", "r385", "r386" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of decrease to equity for grantee's tax withholding obligation for award under share-based payment arrangement.", "label": "Share-based Payment Arrangement, Decrease for Tax Withholding Obligation", "negatedLabel": "Payments for taxes related to net share settlement of equity awards" } } }, "localname": "AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue": { "auth_ref": [ "r342", "r344", "r390", "r391" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.", "label": "APIC, Share-based Payment Arrangement, Increase for Cost Recognition", "terseLabel": "Stock-based compensation" } } }, "localname": "AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued": { "auth_ref": [ "r277", "r284", "r290" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of increase in additional paid in capital (APIC) resulting from the issuance of warrants. Includes allocation of proceeds of debt securities issued with detachable stock purchase warrants.", "label": "Adjustments to Additional Paid in Capital, Warrant Issued", "terseLabel": "Common Stock warrants issued" } } }, "localname": "AdjustmentsToAdditionalPaidInCapitalWarrantIssued", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]", "terseLabel": "Adjustments to reconcile net loss to net cash provided by (used in) operating activities:" } } }, "localname": "AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "stringItemType" }, "us-gaap_AllocatedShareBasedCompensationExpense": { "auth_ref": [ "r344", "r376", "r389" ], "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", "verboseLabel": "Stock-based compensation expense" } } }, "localname": "AllocatedShareBasedCompensationExpense", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSParenthetical", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_AllowanceForDoubtfulAccountsReceivable": { "auth_ref": [ "r186", "r200", "r201", "r205" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of allowance for credit loss on accounts receivable.", "label": "Accounts Receivable, Allowance for Credit Loss", "negatedPeriodEndLabel": "Ending Balance", "negatedPeriodStartLabel": "Beginning Balance", "terseLabel": "Allowance for accounts receivable" } } }, "localname": "AllowanceForDoubtfulAccountsReceivable", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesScheduleofAllowanceforDoubtfulAccountsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries": { "auth_ref": [ "r204" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of increase in allowance for credit loss on accounts receivable, from recovery.", "label": "Accounts Receivable, Allowance for Credit Loss, Recovery", "negatedTerseLabel": "Recoveries" } } }, "localname": "AllowanceForDoubtfulAccountsReceivableRecoveries", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesScheduleofAllowanceforDoubtfulAccountsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward": { "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": "Accounts Receivable, Allowance for Credit Loss [Roll Forward]", "terseLabel": "Accounts Receivable, Allowance for Credit Loss [Roll Forward]" } } }, "localname": "AllowanceForDoubtfulAccountsReceivableRollforward", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesScheduleofAllowanceforDoubtfulAccountsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs": { "auth_ref": [ "r203" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of direct write-downs of accounts receivable charged against the allowance.", "label": "Accounts Receivable, Allowance for Credit Loss, Writeoff", "terseLabel": "Write-offs" } } }, "localname": "AllowanceForDoubtfulAccountsReceivableWriteOffs", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesScheduleofAllowanceforDoubtfulAccountsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AmortizationOfDebtDiscountPremium": { "auth_ref": [ "r78", "r96", "r499" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 14.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.", "label": "Amortization of Debt Discount (Premium)", "terseLabel": "Accretion of debt discount" } } }, "localname": "AmortizationOfDebtDiscountPremium", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS", "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AmortizationOfFinancingCosts": { "auth_ref": [ "r71", "r96", "r501" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 15.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of amortization expense attributable to debt issuance costs.", "label": "Amortization of Debt Issuance Costs", "terseLabel": "Amortization of deferred financing costs", "verboseLabel": "Amortization of deferred issuance costs" } } }, "localname": "AmortizationOfFinancingCosts", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS", "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AmortizationOfIntangibleAssets": { "auth_ref": [ "r96", "r219", "r226" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 }, "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS": { "order": 6.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 }, "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail": { "order": 5.0, "parentTag": "us-gaap_OperatingExpenses", "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", "terseLabel": "Amortization of intangible assets", "verboseLabel": "Amortization of intangible assets" } } }, "localname": "AmortizationOfIntangibleAssets", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS", "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS", "http://www.comscore.com/role/GoodwillandIntangibleAssetsNarrativeDetail", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount": { "auth_ref": [ "r141" ], "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": "Stock options, stock appreciation rights, restricted stock units, senior secured convertible notes and warrants" } } }, "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesSecuritiesExcludedFromEarningsPerShareCalculationsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_AssetImpairmentCharges": { "auth_ref": [ "r96", "r235" ], "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": "Impairment of right-of-use and long-lived assets" } } }, "localname": "AssetImpairmentCharges", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_Assets": { "auth_ref": [ "r109", "r161", "r165", "r172", "r193", "r449", "r453", "r485", "r572", "r588" ], "calculation": { "http://www.comscore.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", "totalLabel": "Total assets" } } }, "localname": "Assets", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Assets [Abstract]", "terseLabel": "Assets" } } }, "localname": "AssetsAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_AssetsCurrent": { "auth_ref": [ "r5", "r6", "r50", "r109", "r193", "r449", "r453", "r485" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 1.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_AssetsFairValueDisclosure": { "auth_ref": [ "r470" ], "calculation": { "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.", "label": "Assets, Fair Value Disclosure", "totalLabel": "Total" } } }, "localname": "AssetsFairValueDisclosure", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsFairValueDisclosureAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Assets, Fair Value Disclosure [Abstract]", "terseLabel": "Assets:" } } }, "localname": "AssetsFairValueDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AwardTypeAxis": { "auth_ref": [ "r345", "r378" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityNonvestedStockAwardsDetails", "http://www.comscore.com/role/StockholdersEquityWeightedAverageAssumptionsDetails" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionChangesinContractBalancesDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_BalanceSheetLocationDomain": { "auth_ref": [ "r460", "r464" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionChangesinContractBalancesDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_BeneficialOwnerMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Any person who, directly or indirectly, through any contract, arrangement, understanding, relationship, or otherwise has shares of the entity with 1) voting power which includes the power to vote, or to direct the voting of, such security, and/or 2) investment power which includes the power to dispose, or to direct the disposition of, such security.", "label": "Beneficial Owner [Member]", "terseLabel": "Beneficial owner" } } }, "localname": "BeneficialOwnerMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CapitalExpendituresIncurredButNotYetPaid": { "auth_ref": [ "r101", "r102", "r103" ], "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": "Capital Expenditures Incurred but Not yet Paid" } } }, "localname": "CapitalExpendituresIncurredButNotYetPaid", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeaseObligationsIncurred": { "auth_ref": [ "r101", "r102" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of increase in lease obligation from new lease.", "label": "Lease Obligation Incurred", "terseLabel": "Assets acquired through finance leases and software obligations" } } }, "localname": "CapitalLeaseObligationsIncurred", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalizedComputerSoftwareAdditions": { "auth_ref": [ "r220" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Additions made to capitalized computer software costs during the period.", "label": "Capitalized Computer Software, Additions", "terseLabel": "Capitalized internally developed software costs" } } }, "localname": "CapitalizedComputerSoftwareAdditions", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalizedComputerSoftwareAmortization1": { "auth_ref": [ "r633", "r635" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of expense for amortization of capitalized computer software costs.", "label": "Capitalized Computer Software, Amortization", "terseLabel": "Depreciation of capitalized software costs" } } }, "localname": "CapitalizedComputerSoftwareAmortization1", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalizedContractCostAmortization": { "auth_ref": [ "r207" ], "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": "Amortized and expensed contract costs" } } }, "localname": "CapitalizedContractCostAmortization", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalizedContractCostNet": { "auth_ref": [ "r206" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.", "label": "Capitalized Contract Cost, Net", "verboseLabel": "Current and non-current contract costs" } } }, "localname": "CapitalizedContractCostNet", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionContractBalancesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashAndCashEquivalentsAtCarryingValue": { "auth_ref": [ "r3", "r30", "r98" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 1.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 }, "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 1.0, "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "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", "verboseLabel": "Cash and cash equivalents" } } }, "localname": "CashAndCashEquivalentsAtCarryingValue", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashAndCashEquivalentsAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information by type of cash and cash equivalent balance.", "label": "Cash and Cash Equivalents [Axis]", "terseLabel": "Cash and Cash Equivalents [Axis]" } } }, "localname": "CashAndCashEquivalentsAxis", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CashAndCashEquivalentsFairValueDisclosure": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails": { "order": 1.0, "parentTag": "us-gaap_AssetsFairValueDisclosure", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Fair value portion 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.", "label": "Cash and Cash Equivalents, Fair Value Disclosure", "terseLabel": "Cash and cash equivalent assets" } } }, "localname": "CashAndCashEquivalentsFairValueDisclosure", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashAndCashEquivalentsPolicyTextBlock": { "auth_ref": [ "r11", "r99", "r105" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for cash and cash equivalents, including the policy for determining which items are treated as cash equivalents. Other information that may be disclosed includes (1) the nature of any restrictions on the entity's use of its cash and cash equivalents, (2) whether the entity's cash and cash equivalents are insured or expose the entity to credit risk, (3) the classification of any negative balance accounts (overdrafts), and (4) the carrying basis of cash equivalents (for example, at cost) and whether the carrying amount of cash equivalents approximates fair value.", "label": "Cash and Cash Equivalents, Policy [Policy Text Block]", "terseLabel": "Cash and Cash Equivalents" } } }, "localname": "CashAndCashEquivalentsPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy": { "auth_ref": [ "r11", "r99", "r105", "r570" ], "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": "Restricted Cash" } } }, "localname": "CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": { "auth_ref": [ "r92", "r98", "r104" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": null, "parentTag": null, "root": true, "weight": null } }, "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, cash equivalents and restricted cash at end of period", "periodStartLabel": "Cash, cash equivalents and restricted cash at beginning of period", "totalLabel": "Total cash, cash equivalents and restricted cash" } } }, "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect": { "auth_ref": [ "r92", "r490" ], "calculation": { "http://www.comscore.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": "Net (decrease) increase in cash, cash equivalents and restricted cash" } } }, "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]", "terseLabel": "Supplemental non-cash activities:" } } }, "localname": "CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "stringItemType" }, "us-gaap_CertificatesOfDepositAtCarryingValue": { "auth_ref": [ "r30" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "A savings certificate entitling the Entity (that is, bearer) to receive interest at an established maturity date, based upon a fixed interest rate. A certificate of deposit may be issued in any denomination. Certificates of deposit are generally issued by commercial banks and, therefore, insured by the FDIC (up to the prescribed limit). Certificates of deposit generally restrict holders from withdrawing funds on demand without the incurrence of penalties. Generally, only certificates of deposit with original maturities of three months or less qualify as cash equivalents. Original maturity means original maturity to the entity holding the investment. As a related 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": "Certificates of Deposit, at Carrying Value", "terseLabel": "Certificates of deposit" } } }, "localname": "CertificatesOfDepositAtCarryingValue", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CertificatesOfDepositMember": { "auth_ref": [ "r583" ], "lang": { "en-us": { "role": { "documentation": "Short to medium-term investment available at banks and savings and loan institutions where a customer agrees to lend money to the institution for a certain amount of time and is paid a predetermined rate of interest. Certificates of deposit (CD) are typically Federal Deposit Insurance Corporation (FDIC) insured.", "label": "Certificates of Deposit [Member]", "terseLabel": "Certificates of Deposit", "verboseLabel": "Certificates of deposit" } } }, "localname": "CertificatesOfDepositMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ClassOfStockDomain": { "auth_ref": [ "r107", "r109", "r134", "r135", "r136", "r138", "r140", "r146", "r147", "r148", "r193", "r485" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ClassOfWarrantOrRightAxis": { "auth_ref": [ "r293", "r343" ], "lang": { "en-us": { "role": { "documentation": "Information by type of warrant or right issued.", "label": "Class of Warrant or Right [Axis]", "terseLabel": "Class of Warrant or Right [Axis]" } } }, "localname": "ClassOfWarrantOrRightAxis", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails", "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityScheduleofFairValueofWarrantsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ClassOfWarrantOrRightDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Name of the class or type of warrant or right outstanding. Warrants and rights represent derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months.", "label": "Class of Warrant or Right [Domain]", "terseLabel": "Class of Warrant or Right [Domain]" } } }, "localname": "ClassOfWarrantOrRightDomain", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails", "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityScheduleofFairValueofWarrantsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1": { "auth_ref": [ "r285" ], "lang": { "en-us": { "role": { "documentation": "Exercise price per share or per unit of warrants or rights outstanding.", "label": "Class of Warrant or Right, Exercise Price of Warrants or Rights", "terseLabel": "Price of warrants (in dollars per share)" } } }, "localname": "ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ClassOfWarrantOrRightLineItems": { "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 Warrant or Right [Line Items]", "terseLabel": "Class of Warrant or Right [Line Items]" } } }, "localname": "ClassOfWarrantOrRightLineItems", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityScheduleofFairValueofWarrantsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights": { "auth_ref": [ "r285" ], "lang": { "en-us": { "role": { "documentation": "Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.", "label": "Class of Warrant or Right, Number of Securities Called by Warrants or Rights", "terseLabel": "Number of shares callable by warrants (in shares)" } } }, "localname": "ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ClassOfWarrantOrRightOutstanding": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of warrants or rights outstanding.", "label": "Class of Warrant or Right, Outstanding", "terseLabel": "Number of penny warrants issuable (in shares)" } } }, "localname": "ClassOfWarrantOrRightOutstanding", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ClassOfWarrantOrRightTable": { "auth_ref": [ "r293", "r343" ], "lang": { "en-us": { "role": { "documentation": "Disclosure for warrants or rights issued, which includes the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.", "label": "Class of Warrant or Right [Table]", "terseLabel": "Class of Warrant or Right [Table]" } } }, "localname": "ClassOfWarrantOrRightTable", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityScheduleofFairValueofWarrantsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CommitmentsAndContingencies": { "auth_ref": [ "r45", "r263", "r578", "r593" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 7.0, "parentTag": "us-gaap_StockholdersEquity", "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" } } }, "localname": "CommitmentsAndContingencies", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_CommitmentsAndContingenciesDisclosureAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Commitments and Contingencies Disclosure [Abstract]", "terseLabel": "Commitments and Contingencies Disclosure [Abstract]" } } }, "localname": "CommitmentsAndContingenciesDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock": { "auth_ref": [ "r260", "r261", "r262", "r272" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CommitmentsandContingencies" ], "xbrltype": "textBlockItemType" }, "us-gaap_CommonStockMember": { "auth_ref": [ "r119", "r120" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "domainItemType" }, "us-gaap_CommonStockParOrStatedValuePerShare": { "auth_ref": [ "r20" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "http://www.comscore.com/role/OrganizationDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_CommonStockSharesAuthorized": { "auth_ref": [ "r20" ], "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, shares authorized (in shares)" } } }, "localname": "CommonStockSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockSharesIssued": { "auth_ref": [ "r20" ], "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, shares issued (in shares)" } } }, "localname": "CommonStockSharesIssued", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockSharesOutstanding": { "auth_ref": [ "r20", "r284" ], "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", "terseLabel": "Common stock, shares outstanding (in shares)" } } }, "localname": "CommonStockSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "http://www.comscore.com/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockValue": { "auth_ref": [ "r20" ], "calculation": { "http://www.comscore.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", "terseLabel": "Common stock, $0.001 par value per share; 150,000,000 shares authorized as of December\u00a031, 2020 and 2019; 79,703,342 shares issued and 72,938,546 shares outstanding as of December\u00a031, 2020, and 76,829,926 shares issued and 70,065,130 shares outstanding as of December\u00a031, 2019" } } }, "localname": "CommonStockValue", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_ComprehensiveIncomeNetOfTax": { "auth_ref": [ "r61", "r63", "r64", "r68", "r581", "r596" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS": { "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": "Total comprehensive loss" } } }, "localname": "ComprehensiveIncomeNetOfTax", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS" ], "xbrltype": "monetaryItemType" }, "us-gaap_ComprehensiveIncomeNetOfTaxAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]", "terseLabel": "Comprehensive loss:" } } }, "localname": "ComprehensiveIncomeNetOfTaxAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS" ], "xbrltype": "stringItemType" }, "us-gaap_ComprehensiveIncomePolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for comprehensive income.", "label": "Comprehensive Income, Policy [Policy Text Block]", "terseLabel": "Comprehensive Loss" } } }, "localname": "ComprehensiveIncomePolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ComputerEquipmentMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Long lived, depreciable assets that are used in the creation, maintenance and utilization of information systems.", "label": "Computer Equipment [Member]", "terseLabel": "Computer equipment" } } }, "localname": "ComputerEquipmentMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/PropertyandEquipmentPropertyandEquipmentUnderCapitalLeaseObligationsDetail" ], "xbrltype": "domainItemType" }, "us-gaap_ComputerSoftwareIntangibleAssetMember": { "auth_ref": [ "r220", "r224", "r443" ], "lang": { "en-us": { "role": { "documentation": "Collection of computer programs and related data that provide instructions to a computer, for example, but not limited to, application program, control module or operating system, that perform one or more particular functions or tasks.", "label": "Computer Software, Intangible Asset [Member]", "terseLabel": "Acquired software" } } }, "localname": "ComputerSoftwareIntangibleAssetMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetail", "http://www.comscore.com/role/GoodwillandIntangibleAssetsWeightedAverageRemainingAmortizationPeriodDetail" ], "xbrltype": "domainItemType" }, "us-gaap_ConcentrationRiskCreditRisk": { "auth_ref": [ "r151", "r585" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for credit risk.", "label": "Concentration Risk, Credit Risk, Policy [Policy Text Block]", "terseLabel": "Concentration of Credit Risk" } } }, "localname": "ConcentrationRiskCreditRisk", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock": { "auth_ref": [ "r298" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.", "label": "Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]", "terseLabel": "Schedule of Contract Balances" } } }, "localname": "ContractWithCustomerAssetAndLiabilityTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ContractWithCustomerAssetNet": { "auth_ref": [ "r295", "r297", "r318" ], "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", "terseLabel": "Current and non-current contract assets" } } }, "localname": "ContractWithCustomerAssetNet", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionContractBalancesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractWithCustomerLiability": { "auth_ref": [ "r295", "r296", "r318" ], "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.", "label": "Contract with Customer, Liability", "terseLabel": "Contract liabilities" } } }, "localname": "ContractWithCustomerLiability", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractWithCustomerLiabilityCurrent": { "auth_ref": [ "r295", "r296", "r318" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 3.0, "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", "netLabel": "Contract liabilities", "terseLabel": "Current contract liabilities", "verboseLabel": "Contract liabilities ($3,538 and $1,519 attributable to related parties, respectively)" } } }, "localname": "ContractWithCustomerLiabilityCurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "http://www.comscore.com/role/RevenueRecognitionContractBalancesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractWithCustomerLiabilityNoncurrent": { "auth_ref": [ "r295", "r296", "r318" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 6.0, "parentTag": "us-gaap_Liabilities", "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 noncurrent.", "label": "Contract with Customer, Liability, Noncurrent", "terseLabel": "Non-current contract liabilities" } } }, "localname": "ContractWithCustomerLiabilityNoncurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.comscore.com/role/RevenueRecognitionContractBalancesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractWithCustomerLiabilityRevenueRecognized": { "auth_ref": [ "r319" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.", "label": "Contract with Customer, Liability, Revenue Recognized", "negatedTerseLabel": "Revenue recognized that was included in the opening contract liabilities balance" } } }, "localname": "ContractWithCustomerLiabilityRevenueRecognized", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionChangesinContractBalancesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ConversionOfStockAmountConverted1": { "auth_ref": [ "r101", "r102", "r103" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The value of the stock converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. \"Part noncash\" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.", "label": "Conversion of Stock, Amount Converted", "terseLabel": "Repurchase of Common Stock in exchange for senior secured convertible notes" } } }, "localname": "ConversionOfStockAmountConverted1", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_ConversionOfStockSharesIssued1": { "auth_ref": [ "r101", "r102", "r103" ], "lang": { "en-us": { "role": { "documentation": "The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. \"Part noncash\" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.", "label": "Conversion of Stock, Shares Issued", "terseLabel": "Issuance of conversion shares (in shares)" } } }, "localname": "ConversionOfStockSharesIssued1", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ConvertibleDebtNoncurrent": { "auth_ref": [ "r43" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 4.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Carrying amount of long-term convertible debt as of the balance sheet date, net of the amount due in the next twelve months or greater than the normal operating cycle, if longer. The debt is convertible into another form of financial instrument, typically the entity's common stock.", "label": "Convertible Debt, Noncurrent", "terseLabel": "Senior secured convertible notes (related party)", "verboseLabel": "Senior secured convertible notes" } } }, "localname": "ConvertibleDebtNoncurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ConvertibleNotesPayableMember": { "auth_ref": [ "r13", "r573", "r587", "r616" ], "lang": { "en-us": { "role": { "documentation": "Written promise to pay a note which can be exchanged for a specified quantity of securities (typically common stock), at the option of the issuer or the holder.", "label": "Convertible Notes Payable [Member]", "terseLabel": "Convertible senior notes" } } }, "localname": "ConvertibleNotesPayableMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/DebtScheduleofDebtDetails", "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ConvertiblePreferredStockMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Preferred stock that may be exchanged into common shares or other types of securities at the owner's option.", "label": "Convertible Preferred Stock [Member]", "terseLabel": "Series B Convertible Preferred Stock" } } }, "localname": "ConvertiblePreferredStockMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CostOfGoodsAndServicesSold": { "auth_ref": [ "r76", "r554" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS": { "order": 1.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 }, "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail": { "order": 2.0, "parentTag": "us-gaap_GrossProfit", "weight": -1.0 } }, "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 revenues" } } }, "localname": "CostOfGoodsAndServicesSold", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "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]", "terseLabel": "Cost of revenues", "verboseLabel": "Cost of revenues" } } }, "localname": "CostOfSalesMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSParenthetical", "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail", "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CostsAndExpenses": { "auth_ref": [ "r72" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS": { "order": 1.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Total costs of sales and operating expenses for the period.", "label": "Costs and Expenses", "totalLabel": "Total expenses from operations" } } }, "localname": "CostsAndExpenses", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS" ], "xbrltype": "monetaryItemType" }, "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CurrentFederalStateAndLocalTaxExpenseBenefitAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Current Federal, State and Local, Tax Expense (Benefit) [Abstract]", "terseLabel": "Current:" } } }, "localname": "CurrentFederalStateAndLocalTaxExpenseBenefitAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesIncomeTaxProvisionBenefitDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CurrentFederalTaxExpenseBenefit": { "auth_ref": [ "r110", "r424", "r431" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesIncomeTaxProvisionBenefitDetails": { "order": 1.0, "parentTag": "us-gaap_CurrentIncomeTaxExpenseBenefit", "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" } } }, "localname": "CurrentFederalTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesIncomeTaxProvisionBenefitDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CurrentForeignTaxExpenseBenefit": { "auth_ref": [ "r115", "r424" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesIncomeTaxProvisionBenefitDetails": { "order": 3.0, "parentTag": "us-gaap_CurrentIncomeTaxExpenseBenefit", "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", "verboseLabel": "Current tax expense related to foreign taxes" } } }, "localname": "CurrentForeignTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesIncomeTaxProvisionBenefitDetails", "http://www.comscore.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CurrentIncomeTaxExpenseBenefit": { "auth_ref": [ "r110", "r424", "r431", "r433" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesIncomeTaxProvisionBenefitDetails": { "order": 1.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.", "label": "Current Income Tax Expense (Benefit)", "terseLabel": "Current income tax expense", "totalLabel": "Total" } } }, "localname": "CurrentIncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesIncomeTaxProvisionBenefitDetails", "http://www.comscore.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CurrentStateAndLocalTaxExpenseBenefit": { "auth_ref": [ "r110", "r424", "r431" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesIncomeTaxProvisionBenefitDetails": { "order": 2.0, "parentTag": "us-gaap_CurrentIncomeTaxExpenseBenefit", "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" } } }, "localname": "CurrentStateAndLocalTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesIncomeTaxProvisionBenefitDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CustomerRelationshipsMember": { "auth_ref": [ "r442" ], "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 relationships", "verboseLabel": "Customer relationships" } } }, "localname": "CustomerRelationshipsMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetail", "http://www.comscore.com/role/GoodwillandIntangibleAssetsWeightedAverageRemainingAmortizationPeriodDetail", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesScheduleofUsefulLivesofFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtConversionConvertedInstrumentSharesIssued1": { "auth_ref": [ "r101", "r103" ], "lang": { "en-us": { "role": { "documentation": "The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. \"Part noncash\" refers to that portion of the transaction not resulting in cash receipts or payments in the period.", "label": "Debt Conversion, Converted Instrument, Shares Issued", "terseLabel": "Converted shares issued (in shares)" } } }, "localname": "DebtConversionConvertedInstrumentSharesIssued1", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_DebtDisclosureAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Debt Disclosure [Abstract]", "terseLabel": "Debt Disclosure [Abstract]" } } }, "localname": "DebtDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentAxis": { "auth_ref": [ "r13", "r14", "r15", "r573", "r575", "r587" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/DebtScheduleofDebtDetails", "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent": { "auth_ref": [ "r278" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.", "label": "Debt Instrument, Convertible, Carrying Amount of Equity Component", "terseLabel": "Value of amount of shares of common stock" } } }, "localname": "DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentConvertibleConversionPrice1": { "auth_ref": [ "r280" ], "lang": { "en-us": { "role": { "documentation": "The price per share of the conversion feature embedded in the debt instrument.", "label": "Debt Instrument, Convertible, Conversion Price", "terseLabel": "Conversion price (in dollars per share)" } } }, "localname": "DebtInstrumentConvertibleConversionPrice1", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments": { "auth_ref": [ "r42", "r285", "r286", "r288" ], "lang": { "en-us": { "role": { "documentation": "The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.", "label": "Debt Instrument, Convertible, Number of Equity Instruments", "terseLabel": "Converted shares issued (in shares)" } } }, "localname": "DebtInstrumentConvertibleNumberOfEquityInstruments", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "integerItemType" }, "us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.", "label": "Debt Instrument, Convertible, Threshold Consecutive Trading Days", "terseLabel": "Conversion threshold, consecutive trading days" } } }, "localname": "DebtInstrumentConvertibleThresholdConsecutiveTradingDays1", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "integerItemType" }, "us-gaap_DebtInstrumentFaceAmount": { "auth_ref": [ "r500", "r502" ], "calculation": { "http://www.comscore.com/role/DebtScheduleofDebtDetails": { "order": 1.0, "parentTag": "us-gaap_LongTermDebt", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Face (par) amount of debt instrument at time of issuance.", "label": "Debt Instrument, Face Amount", "periodStartLabel": "Face Value", "verboseLabel": "Face value of note" } } }, "localname": "DebtInstrumentFaceAmount", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/DebtScheduleofDebtDetails", "http://www.comscore.com/role/OrganizationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentInterestRateEffectivePercentage": { "auth_ref": [ "r41", "r281", "r500" ], "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" } } }, "localname": "DebtInstrumentInterestRateEffectivePercentage", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtScheduleofDebtDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DebtInstrumentInterestRateStatedPercentage": { "auth_ref": [ "r41" ], "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", "verboseLabel": "Stated interest rate" } } }, "localname": "DebtInstrumentInterestRateStatedPercentage", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/DebtScheduleofDebtDetails", "http://www.comscore.com/role/OrganizationDetails" ], "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]" } } }, "localname": "DebtInstrumentLineItems", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtScheduleofDebtDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentNameDomain": { "auth_ref": [ "r43" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/DebtScheduleofDebtDetails", "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtInstrumentPeriodicPaymentInterest": { "auth_ref": [ "r43" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of the required periodic payments applied to interest.", "label": "Debt Instrument, Periodic Payment, Interest", "terseLabel": "Quarterly interest paid" } } }, "localname": "DebtInstrumentPeriodicPaymentInterest", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentTable": { "auth_ref": [ "r43", "r113", "r285", "r287", "r288", "r289", "r499", "r500", "r502", "r584" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtScheduleofDebtDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentTerm": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Debt Instrument, Term", "terseLabel": "Debt term" } } }, "localname": "DebtInstrumentTerm", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "durationItemType" }, "us-gaap_DebtInstrumentUnamortizedDiscount": { "auth_ref": [ "r499", "r502" ], "calculation": { "http://www.comscore.com/role/DebtScheduleofDebtDetails": { "order": 2.0, "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": "Issuance Discount", "terseLabel": "Debt issuance discount" } } }, "localname": "DebtInstrumentUnamortizedDiscount", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/DebtScheduleofDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentUnamortizedPremium": { "auth_ref": [ "r499", "r502" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount, after accumulated amortization, of debt premium.", "label": "Debt Instrument, Unamortized Premium", "terseLabel": "Debt issuance premium" } } }, "localname": "DebtInstrumentUnamortizedPremium", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction": { "auth_ref": [ "r101", "r102", "r103" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of debt issuance costs that were incurred during a noncash or partial noncash transaction.", "label": "Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction", "terseLabel": "Non-cash charge" } } }, "localname": "DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtPolicyTextBlock": { "auth_ref": [ "r105", "r275" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy related to debt. Includes, but is not limited to, debt issuance costs, the effects of refinancings, method of amortizing debt issuance costs and original issue discount, and classifications of debt.", "label": "Debt, Policy [Policy Text Block]", "terseLabel": "Debt Issuance Costs" } } }, "localname": "DebtPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_DeferredFederalIncomeTaxExpenseBenefit": { "auth_ref": [ "r110", "r425", "r431" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesIncomeTaxProvisionBenefitDetails": { "order": 1.0, "parentTag": "us-gaap_DeferredIncomeTaxExpenseBenefit", "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" } } }, "localname": "DeferredFederalIncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesIncomeTaxProvisionBenefitDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredFederalStateAndLocalTaxExpenseBenefitAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Deferred Federal, State and Local, Tax Expense (Benefit) [Abstract]", "terseLabel": "Deferred:" } } }, "localname": "DeferredFederalStateAndLocalTaxExpenseBenefitAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesIncomeTaxProvisionBenefitDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DeferredFinanceCostsNet": { "auth_ref": [ "r34", "r501" ], "calculation": { "http://www.comscore.com/role/DebtScheduleofDebtDetails": { "order": 3.0, "parentTag": "us-gaap_LongTermDebt", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.", "label": "Debt Issuance Costs, Net", "negatedTerseLabel": "Deferred Financing Costs" } } }, "localname": "DeferredFinanceCostsNet", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtScheduleofDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredForeignIncomeTaxExpenseBenefit": { "auth_ref": [ "r110", "r425", "r431" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesIncomeTaxProvisionBenefitDetails": { "order": 3.0, "parentTag": "us-gaap_DeferredIncomeTaxExpenseBenefit", "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" } } }, "localname": "DeferredForeignIncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesIncomeTaxProvisionBenefitDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredIncomeTaxAssetsNet": { "auth_ref": [ "r397", "r398" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 6.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "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, with jurisdictional netting.", "label": "Deferred Income Tax Assets, Net", "terseLabel": "Deferred tax assets" } } }, "localname": "DeferredIncomeTaxAssetsNet", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredIncomeTaxExpenseBenefit": { "auth_ref": [ "r96", "r110", "r425", "r431", "r432", "r433" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 9.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 }, "http://www.comscore.com/role/IncomeTaxesIncomeTaxProvisionBenefitDetails": { "order": 2.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "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": "Deferred tax provision (benefit)", "totalLabel": "Total", "verboseLabel": "Deferred tax provision (benefit)" } } }, "localname": "DeferredIncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS", "http://www.comscore.com/role/IncomeTaxesIncomeTaxProvisionBenefitDetails", "http://www.comscore.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredIncomeTaxLiabilities": { "auth_ref": [ "r16", "r17", "r414", "r574", "r586" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails": { "order": 1.0, "parentTag": "us-gaap_DeferredTaxAssetsLiabilitiesNet", "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": "Total deferred tax liabilities" } } }, "localname": "DeferredIncomeTaxLiabilities", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredIncomeTaxLiabilitiesNet": { "auth_ref": [ "r397", "r398" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 7.0, "parentTag": "us-gaap_Liabilities", "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", "terseLabel": "Deferred tax liabilities" } } }, "localname": "DeferredIncomeTaxLiabilitiesNet", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit": { "auth_ref": [ "r110", "r425", "r431" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesIncomeTaxProvisionBenefitDetails": { "order": 2.0, "parentTag": "us-gaap_DeferredIncomeTaxExpenseBenefit", "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" } } }, "localname": "DeferredStateAndLocalIncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesIncomeTaxProvisionBenefitDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsCapitalLossCarryforwards": { "auth_ref": [ "r422", "r423" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails": { "order": 9.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards.", "label": "Deferred Tax Assets, Capital Loss Carryforwards", "terseLabel": "Capital loss carryforwards" } } }, "localname": "DeferredTaxAssetsCapitalLossCarryforwards", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsDeferredIncome": { "auth_ref": [ "r422", "r423" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails": { "order": 4.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "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 deferred income.", "label": "Deferred Tax Assets, Deferred Income", "terseLabel": "Deferred revenues" } } }, "localname": "DeferredTaxAssetsDeferredIncome", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails": { "order": 12.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "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 intangible assets including goodwill.", "label": "Deferred Tax Assets, Goodwill and Intangible Assets", "terseLabel": "Goodwill" } } }, "localname": "DeferredTaxAssetsGoodwillAndIntangibleAssets", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsGross": { "auth_ref": [ "r415" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails": { "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 and carryforwards.", "label": "Deferred Tax Assets, Gross", "totalLabel": "Gross deferred tax assets" } } }, "localname": "DeferredTaxAssetsGross", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsGrossAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Deferred Tax Assets, Gross [Abstract]", "terseLabel": "Deferred tax assets:" } } }, "localname": "DeferredTaxAssetsGrossAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DeferredTaxAssetsLiabilitiesNet": { "auth_ref": [ "r417" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "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", "totalLabel": "Net deferred tax asset" } } }, "localname": "DeferredTaxAssetsLiabilitiesNet", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsNet": { "auth_ref": [ "r417" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails": { "order": 2.0, "parentTag": "us-gaap_DeferredTaxAssetsLiabilitiesNet", "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": "Net deferred tax assets" } } }, "localname": "DeferredTaxAssetsNet", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsOperatingLossCarryforwards": { "auth_ref": [ "r422", "r423" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails": { "order": 1.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "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" } } }, "localname": "DeferredTaxAssetsOperatingLossCarryforwards", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsOther": { "auth_ref": [ "r422", "r423" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails": { "order": 10.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.", "label": "Deferred Tax Assets, Other", "terseLabel": "Other" } } }, "localname": "DeferredTaxAssetsOther", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsTaxCreditCarryforwards": { "auth_ref": [ "r420", "r422", "r423" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails": { "order": 3.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.", "label": "Deferred Tax Assets, Tax Credit Carryforwards", "terseLabel": "Tax credits" } } }, "localname": "DeferredTaxAssetsTaxCreditCarryforwards", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits": { "auth_ref": [ "r422", "r423" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails": { "order": 2.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "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 compensation and benefits costs.", "label": "Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits", "terseLabel": "Deferred compensation" } } }, "localname": "DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits": { "auth_ref": [ "r422", "r423" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails": { "order": 6.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from employee benefits, classified as other.", "label": "Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Benefits", "terseLabel": "Accrued salaries and benefits" } } }, "localname": "DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts": { "auth_ref": [ "r422", "r423" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails": { "order": 8.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "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 the allowance for doubtful accounts.", "label": "Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts", "terseLabel": "Allowance for doubtful accounts" } } }, "localname": "DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsContingencies": { "auth_ref": [ "r422", "r423" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails": { "order": 5.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "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 contingent liabilities.", "label": "Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Contingencies", "terseLabel": "Tax contingencies" } } }, "localname": "DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsContingencies", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements": { "auth_ref": [ "r422", "r423" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails": { "order": 11.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "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 the estimated loss from legal settlements.", "label": "Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Legal Settlements", "terseLabel": "Litigation settlement" } } }, "localname": "DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsValuationAllowance": { "auth_ref": [ "r416" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails": { "order": 2.0, "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", "negatedTerseLabel": "Valuation allowance", "periodEndLabel": "Ending Balance", "periodStartLabel": "Beginning Balance", "verboseLabel": "Deferred tax assets, valuation allowance" } } }, "localname": "DeferredTaxAssetsValuationAllowance", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails", "http://www.comscore.com/role/IncomeTaxesDeferredTaxAssetValuationAllowanceDetails", "http://www.comscore.com/role/IncomeTaxesNarrativeDetails" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill": { "auth_ref": [ "r422", "r423", "r445", "r446" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails": { "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 goodwill.", "label": "Deferred Tax Liabilities, Goodwill", "negatedTerseLabel": "Goodwill" } } }, "localname": "DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets": { "auth_ref": [ "r422", "r423" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails": { "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 other than goodwill.", "label": "Deferred Tax Liabilities, Intangible Assets", "negatedTerseLabel": "Intangible assets" } } }, "localname": "DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxLiabilitiesOther": { "auth_ref": [ "r422", "r423" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails": { "order": 6.0, "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment": { "auth_ref": [ "r422", "r423" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails": { "order": 4.0, "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", "negatedTerseLabel": "Property and equipment" } } }, "localname": "DeferredTaxLiabilitiesPropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_Depreciation": { "auth_ref": [ "r96", "r236" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "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", "verboseLabel": "Depreciation expense" } } }, "localname": "Depreciation", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS", "http://www.comscore.com/role/PropertyandEquipmentNarrativeDetail" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails", "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails", "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This item represents derivative instrument obligations meeting the definition of a liability which are reported as of the balance sheet date. Derivative instrument obligations are generally measured at fair value, and adjustments to the carrying amount of hedged items reflect changes in their fair value (that is, losses) that are attributable to the risk being hedged and that arise while the hedge is in effect.", "label": "Derivative Financial Instruments, Liabilities [Member]", "terseLabel": "Financing Derivative Liabilities" } } }, "localname": "DerivativeFinancialInstrumentsLiabilitiesMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DerivativeInstrumentRiskAxis": { "auth_ref": [ "r461", "r463", "r465", "r467" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails", "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails", "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DerivativeLiabilities": { "auth_ref": [ "r52", "r53", "r484" ], "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": "Financing derivatives: no hedging designation", "verboseLabel": "Derivative liability" } } }, "localname": "DerivativeLiabilities", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeLiabilitiesNoncurrent": { "auth_ref": [ "r52" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 3.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 } }, "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, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.", "label": "Derivative Liability, Noncurrent", "terseLabel": "Financing derivatives (related party)", "verboseLabel": "Financing derivatives" } } }, "localname": "DerivativeLiabilitiesNoncurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeLiabilityMeasurementInput": { "auth_ref": [ "r475" ], "lang": { "en-us": { "role": { "documentation": "Value of input used to measure derivative liability.", "label": "Derivative Liability, Measurement Input", "terseLabel": "Derivative liability, measurement input" } } }, "localname": "DerivativeLiabilityMeasurementInput", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails" ], "xbrltype": "decimalItemType" }, "us-gaap_DerivativesPolicyTextBlock": { "auth_ref": [ "r105", "r117", "r456", "r457", "r458", "r459", "r469" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for its derivative instruments and hedging activities.", "label": "Derivatives, Policy [Policy Text Block]", "terseLabel": "Derivative Financial Instruments" } } }, "localname": "DerivativesPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_DisaggregationOfRevenueLineItems": { "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": "Disaggregation of Revenue [Line Items]", "terseLabel": "Disaggregation of Revenue [Line Items]" } } }, "localname": "DisaggregationOfRevenueLineItems", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionDisaggregationofRevenueDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DisaggregationOfRevenueTable": { "auth_ref": [ "r317", "r321", "r322", "r323", "r324", "r325", "r326", "r327" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of information about disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.", "label": "Disaggregation of Revenue [Table]", "terseLabel": "Disaggregation of Revenue [Table]" } } }, "localname": "DisaggregationOfRevenueTable", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionDisaggregationofRevenueDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DisaggregationOfRevenueTableTextBlock": { "auth_ref": [ "r317" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.", "label": "Disaggregation of Revenue [Table Text Block]", "terseLabel": "Schedule of Disaggregation of Revenue" } } }, "localname": "DisaggregationOfRevenueTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_DomesticCountryMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Designated tax department of the government that is entitled to levy and collect income taxes from the entity in its country of domicile.", "label": "Domestic Tax Authority [Member]", "terseLabel": "Federal" } } }, "localname": "DomesticCountryMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_EarningsPerShareAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Earnings Per Share [Abstract]", "terseLabel": "Net loss per common share:", "verboseLabel": "Net loss per common share:" } } }, "localname": "EarningsPerShareAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "stringItemType" }, "us-gaap_EarningsPerShareBasicAndDiluted": { "auth_ref": [ "r139" ], "lang": { "en-us": { "role": { "documentation": "The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or 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, Basic and Diluted", "terseLabel": "Basic and diluted (in dollars per share)" } } }, "localname": "EarningsPerShareBasicAndDiluted", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "perShareItemType" }, "us-gaap_EarningsPerSharePolicyTextBlock": { "auth_ref": [ "r105", "r141", "r142" ], "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": "Loss Per Share" } } }, "localname": "EarningsPerSharePolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": { "auth_ref": [ "r490" ], "calculation": { "http://www.comscore.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 rate changes on cash, cash equivalents and restricted cash" } } }, "localname": "EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_EffectiveIncomeTaxRateContinuingOperations": { "auth_ref": [ "r400" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "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", "totalLabel": "Effective tax rate" } } }, "localname": "EffectiveIncomeTaxRateContinuingOperations", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate": { "auth_ref": [ "r400", "r435" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails": { "order": 1.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "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": "Statutory federal tax rate" } } }, "localname": "EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance": { "auth_ref": [ "r400", "r435" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails": { "order": 6.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Percentage 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 changes in the valuation allowance for deferred tax assets.", "label": "Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent", "terseLabel": "Change in valuation allowance" } } }, "localname": "EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential": { "auth_ref": [ "r400", "r435" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails": { "order": 5.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Percentage 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 applicable to statutory income tax expense (benefit) outside of the country of domicile.", "label": "Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent", "terseLabel": "Foreign rate differences" } } }, "localname": "EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense": { "auth_ref": [ "r400", "r435" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails": { "order": 3.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Percentage 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 nondeductible expenses.", "label": "Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent", "terseLabel": "Other nondeductible items" } } }, "localname": "EffectiveIncomeTaxRateReconciliationNondeductibleExpense", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses": { "auth_ref": [ "r400", "r435" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails": { "order": 9.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Percentage 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 impairment loss.", "label": "Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent", "terseLabel": "Goodwill impairment" } } }, "localname": "EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments": { "auth_ref": [ "r400", "r435" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails": { "order": 12.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Percentage 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, Percent", "terseLabel": "Other adjustments" } } }, "localname": "EffectiveIncomeTaxRateReconciliationOtherAdjustments", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent": { "auth_ref": [ "r392", "r400" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails": { "order": 7.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": -1.0 } }, "lang": { "en-us": { "role": { "documentation": "Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.", "label": "Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Percent", "negatedTerseLabel": "Stock compensation" } } }, "localname": "EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes": { "auth_ref": [ "r400", "r435" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails": { "order": 2.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Percentage 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 applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).", "label": "Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent", "terseLabel": "State taxes" } } }, "localname": "EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies": { "auth_ref": [ "r400", "r435" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails": { "order": 13.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Percentage 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 contingencies. Includes, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies.", "label": "Effective Income Tax Rate Reconciliation, Tax Contingency, Percent", "terseLabel": "Uncertain tax positions" } } }, "localname": "EffectiveIncomeTaxRateReconciliationTaxContingencies", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount": { "auth_ref": [ "r400" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to Tax Cuts and Jobs Act.", "label": "Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act, Amount", "terseLabel": "Adjustment due to tax restructuring" } } }, "localname": "EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Percent": { "auth_ref": [ "r400" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails": { "order": 11.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Percentage of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to Tax Cuts and Jobs Act.", "label": "Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act, Percent", "terseLabel": "US tax impact of restructuring" } } }, "localname": "EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Percent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "pureItemType" }, "us-gaap_EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiability": { "auth_ref": [ "r462" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability.", "label": "Embedded Derivative, Fair Value of Embedded Derivative Liability", "terseLabel": "Secured term note" } } }, "localname": "EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiability", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EmployeeRelatedLiabilitiesCurrent": { "auth_ref": [ "r38" ], "calculation": { "http://www.comscore.com/role/AccruedExpensesDetails": { "order": 1.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Employee-related Liabilities, Current", "terseLabel": "Payroll and payroll-related" } } }, "localname": "EmployeeRelatedLiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/AccruedExpensesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized": { "auth_ref": [ "r377" ], "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": "Total unrecognized compensation expense" } } }, "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1": { "auth_ref": [ "r377" ], "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": "Weighted-average period expected to recognize compensation expense (in years)" } } }, "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "durationItemType" }, "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions": { "auth_ref": [ "r377" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of cost to be recognized for option under share-based payment arrangement.", "label": "Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount", "terseLabel": "Total unrecognized compensation expense related to stock options" } } }, "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EmployeeSeveranceMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Termination of an employee associated with exit from or disposal of business activities or restructurings pursuant to a plan.", "label": "Employee Severance [Member]", "terseLabel": "Severance pay and benefits" } } }, "localname": "EmployeeSeveranceMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuringAccruedRestructuringExpensesChangesinAccruedAmountsandAdditionalRestructuringCostsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_EmployeeStockOptionMember": { "auth_ref": [ "r375" ], "lang": { "en-us": { "role": { "documentation": "Share-based payment arrangement granting right, subject to vesting and other restrictions, to purchase or sell certain number of shares at predetermined price for specified period of time.", "label": "Share-based Payment Arrangement, Option [Member]", "terseLabel": "Stock Options" } } }, "localname": "EmployeeStockOptionMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityWeightedAverageAssumptionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_EquityComponentDomain": { "auth_ref": [ "r119", "r120", "r121", "r124", "r131", "r133", "r145", "r197", "r284", "r290", "r384", "r385", "r386", "r427", "r428", "r491", "r492", "r493", "r494", "r495", "r496", "r606", "r607", "r608" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "domainItemType" }, "us-gaap_EquitySecuritiesFvNiGainLoss": { "auth_ref": [ "r192" ], "calculation": { "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesOtherIncomeExpenseNetDetails": { "order": 4.0, "parentTag": "us-gaap_OtherNonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).", "label": "Equity Securities, FV-NI, Gain (Loss)", "terseLabel": "Change in fair value of investment in equity securities" } } }, "localname": "EquitySecuritiesFvNiGainLoss", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesOtherIncomeExpenseNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValuePolicyTextBlock": { "auth_ref": [ "r191" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for investment in equity security without readily determinable fair value, which does not qualify for practical expedient to estimate fair value using net asset value per share. Includes, but is not limited to, information considered for determining upward and downward adjustment from observable price change.", "label": "Equity Securities without Readily Determinable Fair Value [Policy Text Block]", "terseLabel": "Equity Securities" } } }, "localname": "EquitySecuritiesWithoutReadilyDeterminableFairValuePolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_FairValueAdjustmentOfWarrants": { "auth_ref": [ "r96", "r283" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 11.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 }, "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesOtherIncomeExpenseNetDetails": { "order": 2.0, "parentTag": "us-gaap_OtherNonoperatingIncomeExpense", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of expense (income) related to adjustment to fair value of warrant liability.", "label": "Fair Value Adjustment of Warrants", "negatedTerseLabel": "Change in fair value of warrants liability", "terseLabel": "Change in fair value of warrant liability" } } }, "localname": "FairValueAdjustmentOfWarrants", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesOtherIncomeExpenseNetDetails" ], "xbrltype": "monetaryItemType" }, "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": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails", "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable": { "auth_ref": [ "r470", "r471", "r472", "r480" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails", "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems": { "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 Measurement Inputs and Valuation Techniques [Line Items]", "terseLabel": "Fair Value Measurement Inputs and Valuation Techniques [Line Items]" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable": { "auth_ref": [ "r473" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of information about input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis.", "label": "Fair Value Measurement Inputs and Valuation Techniques [Table]", "terseLabel": "Fair Value Measurement Inputs and Valuation Techniques [Table]" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisValuationTechniquesTextBlock": { "auth_ref": [ "r473" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique used to measure similar asset in prior period by class of asset or liability on non-recurring basis.", "label": "Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block]", "terseLabel": "Schedule of Valuation Techniques And Unobservable Inputs For Level 3 Liabilities" } } }, "localname": "FairValueAssetsMeasuredOnNonrecurringBasisValuationTechniquesTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward": { "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": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]", "terseLabel": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]" } } }, "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByFairValueHierarchyLevelAxis": { "auth_ref": [ "r330", "r331", "r332", "r333", "r334", "r335", "r336", "r338", "r471", "r544", "r545", "r546" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails", "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails", "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByLiabilityClassAxis": { "auth_ref": [ "r479", "r480" ], "lang": { "en-us": { "role": { "documentation": "Information by class of liability.", "label": "Liability Class [Axis]", "terseLabel": "Liability Class [Axis]" } } }, "localname": "FairValueByLiabilityClassAxis", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByMeasurementFrequencyAxis": { "auth_ref": [ "r470", "r471", "r474", "r475", "r481" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueDisclosuresAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fair Value Disclosures [Abstract]", "terseLabel": "Fair Value Disclosures [Abstract]" } } }, "localname": "FairValueDisclosuresAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_FairValueDisclosuresTextBlock": { "auth_ref": [ "r479" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.", "label": "Fair Value Disclosures [Text Block]", "terseLabel": "Fair Value Measurements" } } }, "localname": "FairValueDisclosuresTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurements" ], "xbrltype": "textBlockItemType" }, "us-gaap_FairValueInputsLevel1Member": { "auth_ref": [ "r330", "r331", "r336", "r338", "r471", "r544" ], "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": "Level 1" } } }, "localname": "FairValueInputsLevel1Member", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueInputsLevel2Member": { "auth_ref": [ "r330", "r331", "r336", "r338", "r471", "r545" ], "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": "Level 2" } } }, "localname": "FairValueInputsLevel2Member", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueInputsLevel3Member": { "auth_ref": [ "r330", "r331", "r332", "r333", "r334", "r335", "r336", "r338", "r471", "r546" ], "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": "Level 3" } } }, "localname": "FairValueInputsLevel3Member", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails", "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails", "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain": { "auth_ref": [ "r476" ], "lang": { "en-us": { "role": { "documentation": "Represents classes of liabilities measured and disclosed at fair value.", "label": "Fair Value by Liability Class [Domain]", "terseLabel": "Fair Value by Liability Class [Domain]" } } }, "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock": { "auth_ref": [ "r476", "r480" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability.", "label": "Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]", "terseLabel": "Schedule of Changes in Level 3 Fair Valued Instruments" } } }, "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsTables" ], "xbrltype": "textBlockItemType" }, "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings": { "auth_ref": [ "r477" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings", "negatedTerseLabel": "Total loss (gain) included in other income (expense), net" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues": { "auth_ref": [ "r478" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of issuances of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances", "terseLabel": "Settlement" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements": { "auth_ref": [ "r478" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements", "negatedTerseLabel": "Settlement" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue": { "auth_ref": [ "r476" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value", "periodEndLabel": "Ending Balance", "periodStartLabel": "Beginning Balance", "terseLabel": "Estimated value of the interest make-whole derivative" } } }, "localname": "FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": { "auth_ref": [ "r330", "r331", "r332", "r333", "r334", "r335", "r336", "r338", "r544", "r545", "r546" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails", "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails", "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueMeasurementsRecurringMember": { "auth_ref": [ "r479", "r481" ], "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": "Recurring" } } }, "localname": "FairValueMeasurementsRecurringMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueOfFinancialInstrumentsPolicy": { "auth_ref": [ "r105", "r482", "r483" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for determining the fair value of financial instruments.", "label": "Fair Value of Financial Instruments, Policy [Policy Text Block]", "terseLabel": "Fair Value of Financial Instruments" } } }, "localname": "FairValueOfFinancialInstrumentsPolicy", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_FinanceLeaseInterestExpense": { "auth_ref": [ "r509", "r515", "r526" ], "calculation": { "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails": { "order": 2.0, "parentTag": "scor_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 on lease liabilities" } } }, "localname": "FinanceLeaseInterestExpense", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseInterestPaymentOnLiability": { "auth_ref": [ "r511", "r520" ], "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 from finance leases" } } }, "localname": "FinanceLeaseInterestPaymentOnLiability", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesOtherInformationDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Finance Lease, Liability, Payment, Due [Abstract]", "terseLabel": "Finance Leases" } } }, "localname": "FinanceLeaseLiabilitiesPaymentsDueAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FinanceLeaseLiability": { "auth_ref": [ "r508", "r525" ], "calculation": { "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from finance lease.", "label": "Finance Lease, Liability", "totalLabel": "Total lease liabilities" } } }, "localname": "FinanceLeaseLiability", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityCurrent": { "auth_ref": [ "r508" ], "calculation": { "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails": { "order": 1.0, "parentTag": "us-gaap_FinanceLeaseLiability", "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", "negatedTerseLabel": "Less: current lease liabilities", "verboseLabel": "Current financing lease liability" } } }, "localname": "FinanceLeaseLiabilityCurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityMaturityTableTextBlock": { "auth_ref": [ "r525" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of undiscounted cash flows of finance lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to finance lease liability recognized in statement of financial position.", "label": "Finance Lease, Liability, Fiscal Year Maturity [Table Text Block]", "terseLabel": "Maturities of Finance Lease Liabilities" } } }, "localname": "FinanceLeaseLiabilityMaturityTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_FinanceLeaseLiabilityNoncurrent": { "auth_ref": [ "r508" ], "calculation": { "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails": { "order": 2.0, "parentTag": "us-gaap_FinanceLeaseLiability", "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": "Total non-current lease liabilities" } } }, "localname": "FinanceLeaseLiabilityNoncurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDue": { "auth_ref": [ "r525" ], "calculation": { "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails": { "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 lease payments" } } }, "localname": "FinanceLeaseLiabilityPaymentsDue", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive": { "auth_ref": [ "r525" ], "calculation": { "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails": { "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 payment for finance lease to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Finance Lease, Liability, to be Paid, after Year Five", "terseLabel": "Thereafter" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueAfterYearFive", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths": { "auth_ref": [ "r525" ], "calculation": { "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails": { "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 payment for finance lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Finance Lease, Liability, to be Paid, Year One", "verboseLabel": "2021" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive": { "auth_ref": [ "r525" ], "calculation": { "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails": { "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 payment for finance lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Finance Lease, Liability, to be Paid, Year Five", "terseLabel": "2025" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueYearFive", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour": { "auth_ref": [ "r525" ], "calculation": { "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails": { "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 payment for finance lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Finance Lease, Liability, to be Paid, Year Four", "terseLabel": "2024" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueYearFour", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree": { "auth_ref": [ "r525" ], "calculation": { "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails": { "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 payment for finance lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Finance Lease, Liability, to be Paid, Year Three", "terseLabel": "2023" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueYearThree", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo": { "auth_ref": [ "r525" ], "calculation": { "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails": { "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 payment for finance lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Finance Lease, Liability, to be Paid, Year Two", "terseLabel": "2022", "verboseLabel": "Remaining future minimum payment" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueYearTwo", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount": { "auth_ref": [ "r525" ], "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: imputed interest" } } }, "localname": "FinanceLeaseLiabilityUndiscountedExcessAmount", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeasePrincipalPayments": { "auth_ref": [ "r510", "r520" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 10.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of cash outflow for principal payment on finance lease.", "label": "Finance Lease, Principal Payments", "negatedTerseLabel": "Principal payments on finance leases" } } }, "localname": "FinanceLeasePrincipalPayments", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseRightOfUseAssetAmortization": { "auth_ref": [ "r509", "r515", "r526" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 }, "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails": { "order": 1.0, "parentTag": "scor_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": "Amortization of right-of-use assets", "verboseLabel": "Amortization expense of finance leases" } } }, "localname": "FinanceLeaseRightOfUseAssetAmortization", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS", "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails", "http://www.comscore.com/role/PropertyandEquipmentNarrativeDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization": { "auth_ref": [ "r507" ], "calculation": { "http://www.comscore.com/role/PropertyandEquipmentPropertyandEquipmentUnderCapitalLeaseObligationsDetail": { "order": 1.0, "parentTag": "us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, before accumulated amortization, of right-of-use asset from finance lease.", "label": "Finance Lease, Right-of-Use Asset, before Accumulated Amortization", "terseLabel": "Finance leases" } } }, "localname": "FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/PropertyandEquipmentPropertyandEquipmentUnderCapitalLeaseObligationsDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent": { "auth_ref": [ "r523", "r526" ], "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": "Weighted-average discount rate - finance leases" } } }, "localname": "FinanceLeaseWeightedAverageDiscountRatePercent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesNarrativeDetails" ], "xbrltype": "percentItemType" }, "us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1": { "auth_ref": [ "r522", "r526" ], "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": "Weighted-average remaining lease term - finance leases (in years)" } } }, "localname": "FinanceLeaseWeightedAverageRemainingLeaseTerm1", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesNarrativeDetails" ], "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": "Finite-lived intangible assets useful life (in years)" } } }, "localname": "FiniteLivedIntangibleAssetUsefulLife", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesScheduleofUsefulLivesofFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "durationItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization": { "auth_ref": [ "r225" ], "calculation": { "http://www.comscore.com/role/GoodwillandIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetail": { "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", "negatedLabel": "Accumulated Amortization" } } }, "localname": "FiniteLivedIntangibleAssetsAccumulatedAmortization", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths": { "auth_ref": [ "r227" ], "calculation": { "http://www.comscore.com/role/GoodwillandIntangibleAssetsEstimatedFutureAmortizationofAcquiredIntangibleAssetsDetail": { "order": 1.0, "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Finite-Lived Intangible Asset, Expected Amortization, Year One", "terseLabel": "2021" } } }, "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsEstimatedFutureAmortizationofAcquiredIntangibleAssetsDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour": { "auth_ref": [ "r227" ], "calculation": { "http://www.comscore.com/role/GoodwillandIntangibleAssetsEstimatedFutureAmortizationofAcquiredIntangibleAssetsDetail": { "order": 4.0, "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Finite-Lived Intangible Asset, Expected Amortization, Year Four", "terseLabel": "2024" } } }, "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearFour", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsEstimatedFutureAmortizationofAcquiredIntangibleAssetsDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree": { "auth_ref": [ "r227" ], "calculation": { "http://www.comscore.com/role/GoodwillandIntangibleAssetsEstimatedFutureAmortizationofAcquiredIntangibleAssetsDetail": { "order": 3.0, "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Finite-Lived Intangible Asset, Expected Amortization, Year Three", "terseLabel": "2023" } } }, "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearThree", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsEstimatedFutureAmortizationofAcquiredIntangibleAssetsDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo": { "auth_ref": [ "r227" ], "calculation": { "http://www.comscore.com/role/GoodwillandIntangibleAssetsEstimatedFutureAmortizationofAcquiredIntangibleAssetsDetail": { "order": 2.0, "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Finite-Lived Intangible Asset, Expected Amortization, Year Two", "terseLabel": "2022" } } }, "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsEstimatedFutureAmortizationofAcquiredIntangibleAssetsDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis": { "auth_ref": [ "r220", "r221", "r225", "r228", "r555", "r556" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetail", "http://www.comscore.com/role/GoodwillandIntangibleAssetsWeightedAverageRemainingAmortizationPeriodDetail", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesScheduleofUsefulLivesofFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FiniteLivedIntangibleAssetsGross": { "auth_ref": [ "r225", "r556" ], "calculation": { "http://www.comscore.com/role/GoodwillandIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetail": { "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", "verboseLabel": "Gross Carrying Amount" } } }, "localname": "FiniteLivedIntangibleAssetsGross", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetail" ], "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": "Finite-Lived Intangible Assets [Line Items]" } } }, "localname": "FiniteLivedIntangibleAssetsLineItems", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsNarrativeDetail", "http://www.comscore.com/role/GoodwillandIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetail", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesScheduleofUsefulLivesofFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain": { "auth_ref": [ "r220", "r224" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetail", "http://www.comscore.com/role/GoodwillandIntangibleAssetsWeightedAverageRemainingAmortizationPeriodDetail", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesScheduleofUsefulLivesofFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FiniteLivedIntangibleAssetsNet": { "auth_ref": [ "r225", "r555" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 5.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://www.comscore.com/role/GoodwillandIntangibleAssetsEstimatedFutureAmortizationofAcquiredIntangibleAssetsDetail": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.comscore.com/role/GoodwillandIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetail": { "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": "Intangible assets, net", "totalLabel": "Net Carrying Amount" } } }, "localname": "FiniteLivedIntangibleAssetsNet", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.comscore.com/role/GoodwillandIntangibleAssetsEstimatedFutureAmortizationofAcquiredIntangibleAssetsDetail", "http://www.comscore.com/role/GoodwillandIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetail" ], "xbrltype": "monetaryItemType" }, "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ForeignCurrencyTransactionGainLossBeforeTax": { "auth_ref": [ "r486", "r487", "r488", "r489" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS": { "order": 4.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "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", "terseLabel": "(Loss) gain from foreign currency transactions" } } }, "localname": "ForeignCurrencyTransactionGainLossBeforeTax", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock": { "auth_ref": [ "r105", "r498" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_GainLossOnContractTermination": { "auth_ref": [ "r97", "r245" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform.", "label": "Gain (Loss) on Contract Termination", "negatedTerseLabel": "Write-off of certain lease-related liabilities" } } }, "localname": "GainLossOnContractTermination", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuringAccruedRestructuringExpensesChangesinAccruedAmountsandAdditionalRestructuringCostsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GainLossRelatedToLitigationSettlement": { "auth_ref": [ "r263" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS": { "order": 9.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": -1.0 }, "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail": { "order": 8.0, "parentTag": "us-gaap_OperatingExpenses", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.", "label": "Gain (Loss) Related to Litigation Settlement", "negatedLabel": "Settlement of litigation, net" } } }, "localname": "GainLossRelatedToLitigationSettlement", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_GeneralAndAdministrativeExpense": { "auth_ref": [ "r77" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS": { "order": 4.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 }, "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail": { "order": 3.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.", "label": "General and Administrative Expense", "terseLabel": "General and administrative", "verboseLabel": "General and administrative" } } }, "localname": "GeneralAndAdministrativeExpense", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_GeneralAndAdministrativeExpenseMember": { "auth_ref": [ "r69" ], "lang": { "en-us": { "role": { "documentation": "Primary financial statement caption encompassing general and administrative expense.", "label": "General and Administrative Expense [Member]", "terseLabel": "General and administrative" } } }, "localname": "GeneralAndAdministrativeExpenseMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSParenthetical", "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail", "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_Goodwill": { "auth_ref": [ "r208", "r210", "r571" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 4.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://www.comscore.com/role/GoodwillandIntangibleAssetsCarryingValueofGoodwillDetail": { "order": null, "parentTag": null, "root": true, "weight": null } }, "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", "periodEndLabel": "Ending balance", "periodStartLabel": "Beginning balance", "terseLabel": "Goodwill", "totalLabel": "Total" } } }, "localname": "Goodwill", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.comscore.com/role/GoodwillandIntangibleAssetsCarryingValueofGoodwillDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Goodwill and Intangible Assets Disclosure [Abstract]", "terseLabel": "Goodwill and Intangible Assets Disclosure [Abstract]" } } }, "localname": "GoodwillAndIntangibleAssetsDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock": { "auth_ref": [ "r233" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for goodwill and intangible assets.", "label": "Goodwill and Intangible Assets Disclosure [Text Block]", "terseLabel": "Goodwill and Intangible Assets" } } }, "localname": "GoodwillAndIntangibleAssetsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssets" ], "xbrltype": "textBlockItemType" }, "us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock": { "auth_ref": [ "r105", "r215", "r222" ], "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 Intangible Assets" } } }, "localname": "GoodwillAndIntangibleAssetsPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_GoodwillForeignCurrencyTranslationGainLoss": { "auth_ref": [ "r213" ], "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": "Translation adjustments" } } }, "localname": "GoodwillForeignCurrencyTranslationGainLoss", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsCarryingValueofGoodwillDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_GoodwillGross": { "auth_ref": [ "r211", "r214" ], "calculation": { "http://www.comscore.com/role/GoodwillandIntangibleAssetsCarryingValueofGoodwillDetail": { "order": 2.0, "parentTag": "us-gaap_Goodwill", "weight": 1.0 } }, "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", "terseLabel": "Goodwill" } } }, "localname": "GoodwillGross", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsCarryingValueofGoodwillDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_GoodwillImpairedAccumulatedImpairmentLoss": { "auth_ref": [ "r211", "r214" ], "calculation": { "http://www.comscore.com/role/GoodwillandIntangibleAssetsCarryingValueofGoodwillDetail": { "order": 1.0, "parentTag": "us-gaap_Goodwill", "weight": -1.0 } }, "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", "negatedTerseLabel": "Accumulated impairment" } } }, "localname": "GoodwillImpairedAccumulatedImpairmentLoss", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsCarryingValueofGoodwillDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_GoodwillImpairmentLoss": { "auth_ref": [ "r96", "r209", "r212", "r216" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 5.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 }, "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS": { "order": 7.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 }, "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail": { "order": 6.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of loss from the write-down 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, Impairment Loss", "negatedTerseLabel": "Impairment charge", "terseLabel": "Impairment of goodwill" } } }, "localname": "GoodwillImpairmentLoss", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS", "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS", "http://www.comscore.com/role/GoodwillandIntangibleAssetsCarryingValueofGoodwillDetail", "http://www.comscore.com/role/GoodwillandIntangibleAssetsNarrativeDetail", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "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": "Goodwill [Roll Forward]" } } }, "localname": "GoodwillRollForward", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsCarryingValueofGoodwillDetail" ], "xbrltype": "stringItemType" }, "us-gaap_GrossProfit": { "auth_ref": [ "r75", "r109", "r161", "r164", "r168", "r171", "r173", "r193", "r485" ], "calculation": { "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail": { "order": 2.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.", "label": "Gross Profit", "totalLabel": "Gross profit" } } }, "localname": "GrossProfit", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_HedgingDesignationAxis": { "auth_ref": [ "r458", "r468" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails" ], "xbrltype": "stringItemType" }, "us-gaap_HedgingDesignationDomain": { "auth_ref": [ "r458" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails" ], "xbrltype": "domainItemType" }, "us-gaap_HostingArrangementServiceContractImplementationCostCapitalizedBeforeAccumulatedAmortization": { "auth_ref": [ "r231", "r237" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, before accumulated amortization, of capitalized implementation cost from hosting arrangement that is service contract.", "label": "Hosting Arrangement, Service Contract, Implementation Cost, Capitalized, before Accumulated Amortization", "terseLabel": "Capitalized implementation costs" } } }, "localname": "HostingArrangementServiceContractImplementationCostCapitalizedBeforeAccumulatedAmortization", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ImpairmentOfIntangibleAssetsFinitelived": { "auth_ref": [ "r96", "r229" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 6.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 }, "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS": { "order": 8.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 }, "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail": { "order": 7.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.", "label": "Impairment of Intangible Assets, Finite-lived", "verboseLabel": "Impairment of intangible asset" } } }, "localname": "ImpairmentOfIntangibleAssetsFinitelived", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS", "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS", "http://www.comscore.com/role/GoodwillandIntangibleAssetsNarrativeDetail", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_ImpairmentOfLongLivedAssetsHeldForUse": { "auth_ref": [ "r96", "r235", "r240" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).", "label": "Impairment of Long-Lived Assets Held-for-use", "terseLabel": "Impairment of property and equipment" } } }, "localname": "ImpairmentOfLongLivedAssetsHeldForUse", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/PropertyandEquipmentNarrativeDetail", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock": { "auth_ref": [ "r105", "r234", "r242" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for recognizing and measuring the impairment of long-lived assets. An entity also may disclose its accounting policy for long-lived assets to be sold. This policy excludes goodwill and intangible assets.", "label": "Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]", "terseLabel": "Impairment of Long-Lived Assets" } } }, "localname": "ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_IncomeApproachValuationTechniqueMember": { "auth_ref": [ "r473" ], "lang": { "en-us": { "role": { "documentation": "Valuation approach converting future amounts to single current discounted amount.", "label": "Valuation, Income Approach [Member]", "terseLabel": "Income approach" } } }, "localname": "IncomeApproachValuationTechniqueMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic": { "auth_ref": [ "r114", "r434" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentofLossIncomeBeforeIncomeTaxDetails": { "order": 1.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "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": "Domestic" } } }, "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentofLossIncomeBeforeIncomeTaxDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest": { "auth_ref": [ "r66", "r161", "r164", "r168", "r171", "r173", "r569", "r579", "r582", "r597" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS": { "order": 1.0, "parentTag": "us-gaap_NetIncomeLoss", "weight": 1.0 } }, "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", "totalLabel": "Loss before income taxes" } } }, "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign": { "auth_ref": [ "r114", "r434" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentofLossIncomeBeforeIncomeTaxDetails": { "order": 2.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "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": "Foreign" } } }, "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentofLossIncomeBeforeIncomeTaxDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments": { "auth_ref": [ "r114", "r161", "r164", "r168", "r171", "r173" ], "calculation": { "http://www.comscore.com/role/IncomeTaxesComponentofLossIncomeBeforeIncomeTaxDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.", "label": "Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest", "totalLabel": "Total" } } }, "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesComponentofLossIncomeBeforeIncomeTaxDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeStatementAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Income Statement [Abstract]", "terseLabel": "Income Statement [Abstract]" } } }, "localname": "IncomeStatementAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementLocationAxis": { "auth_ref": [ "r241" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSParenthetical", "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSParenthetical", "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_IncomeTaxAuthorityAxis": { "auth_ref": [ "r404" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesNarrativeDetails" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_IncomeTaxDisclosureAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Income Tax Disclosure [Abstract]", "terseLabel": "Income Tax Disclosure [Abstract]" } } }, "localname": "IncomeTaxDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxDisclosureTextBlock": { "auth_ref": [ "r401", "r412", "r419", "r429", "r436", "r438", "r439", "r440" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxes" ], "xbrltype": "textBlockItemType" }, "us-gaap_IncomeTaxExaminationLineItems": { "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 Tax Examination [Line Items]", "terseLabel": "Income Tax Examination [Line Items]" } } }, "localname": "IncomeTaxExaminationLineItems", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxExaminationTable": { "auth_ref": [ "r405" ], "lang": { "en-us": { "role": { "documentation": "A summary 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 incurred or accrued.", "label": "Income Tax Examination [Table]", "terseLabel": "Income Tax Examination [Table]" } } }, "localname": "IncomeTaxExaminationTable", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxExpenseBenefit": { "auth_ref": [ "r110", "r132", "r133", "r160", "r399", "r430", "r437", "r598" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS": { "order": 2.0, "parentTag": "us-gaap_NetIncomeLoss", "weight": -1.0 }, "http://www.comscore.com/role/IncomeTaxesIncomeTaxProvisionBenefitDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "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": "Income tax (provision) benefit", "totalLabel": "Income tax provision (benefit)" } } }, "localname": "IncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS", "http://www.comscore.com/role/IncomeTaxesIncomeTaxProvisionBenefitDetails", "http://www.comscore.com/role/IncomeTaxesNarrativeDetails", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxPolicyTextBlock": { "auth_ref": [ "r65", "r105", "r395", "r396", "r412", "r413", "r418", "r426", "r619" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses": { "auth_ref": [ "r400" ], "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 nondeductible impairment loss.", "label": "Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount", "terseLabel": "Income tax adjustments from impairment of goodwill" } } }, "localname": "IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxesPaidNet": { "auth_ref": [ "r100" ], "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": "Income taxes paid, net of refunds" } } }, "localname": "IncomeTaxesPaidNet", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities": { "auth_ref": [ "r95" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 20.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.", "label": "Increase (Decrease) in Accounts Payable and Accrued Liabilities", "terseLabel": "Accounts payable, accrued expenses, and other liabilities" } } }, "localname": "IncreaseDecreaseInAccountsPayableAndAccruedLiabilities", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAccountsReceivable": { "auth_ref": [ "r95" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 17.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.", "label": "Increase (Decrease) in Accounts Receivable", "negatedLabel": "Accounts receivable" } } }, "localname": "IncreaseDecreaseInAccountsReceivable", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInEquitySecuritiesFvNi": { "auth_ref": [ "r91" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 12.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of increase (decrease) of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).", "label": "Increase (Decrease) in Equity Securities, FV-NI", "negatedTerseLabel": "Change in fair value of investment in equity securities" } } }, "localname": "IncreaseDecreaseInEquitySecuritiesFvNi", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInInsuranceSettlementsReceivable": { "auth_ref": [ "r95" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 19.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) during the reporting period in insurance settlements receivable, which are amounts due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy. The expectation is that such reimbursement will be received within one year of the balance sheet date.", "label": "Increase (Decrease) in Insurance Settlements Receivable", "negatedTerseLabel": "Insurance recoverable on litigation settlements" } } }, "localname": "IncreaseDecreaseInInsuranceSettlementsReceivable", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInOperatingCapitalAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Increase (Decrease) in Operating Capital [Abstract]", "terseLabel": "Changes in operating assets and liabilities:" } } }, "localname": "IncreaseDecreaseInOperatingCapitalAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "stringItemType" }, "us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets": { "auth_ref": [ "r95" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 18.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of increase (decrease) in prepaid expenses, and assets classified as other.", "label": "Increase (Decrease) in Prepaid Expense and Other Assets", "negatedLabel": "Prepaid expenses and other assets" } } }, "localname": "IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.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 [Roll Forward]" } } }, "localname": "IncreaseDecreaseInStockholdersEquityRollForward", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "stringItemType" }, "us-gaap_IntangibleAssetsNetExcludingGoodwill": { "auth_ref": [ "r218", "r223" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.", "label": "Intangible Assets, Net (Excluding Goodwill)", "terseLabel": "Long-lived intangible assets, net" } } }, "localname": "IntangibleAssetsNetExcludingGoodwill", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsNarrativeDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_IntellectualPropertyMember": { "auth_ref": [ "r444" ], "lang": { "en-us": { "role": { "documentation": "Intangible asset arising from original creative thought. Include, but is not limited to, trademarks, patents, and copyrights.", "label": "Intellectual Property [Member]", "terseLabel": "Intellectual property" } } }, "localname": "IntellectualPropertyMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetail", "http://www.comscore.com/role/GoodwillandIntangibleAssetsWeightedAverageRemainingAmortizationPeriodDetail", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesScheduleofUsefulLivesofFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_InterestIncomeExpenseNonoperatingNet": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS": { "order": 2.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The net amount of nonoperating interest income (expense).", "label": "Interest Income (Expense), Nonoperating, Net", "verboseLabel": "Interest expense, net" } } }, "localname": "InterestIncomeExpenseNonoperatingNet", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestPaidNet": { "auth_ref": [ "r89", "r93", "r100" ], "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": "Interest paid ($21,420, $3,046 and $7,484 of interest paid in 2020, 2019, and 2018 attributable to related party, respectively)", "verboseLabel": "Interest paid" } } }, "localname": "InterestPaidNet", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS", "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSParenthetical", "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestPayableCurrent": { "auth_ref": [ "r9", "r10", "r38" ], "calculation": { "http://www.comscore.com/role/AccruedExpensesDetails": { "order": 4.0, "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": "Accrued interest on senior secured convertible notes" } } }, "localname": "InterestPayableCurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/AccruedExpensesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestPayableCurrentAndNoncurrent": { "auth_ref": [ "r577", "r594" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of interest payable on debt, including, but not limited to, trade payables.", "label": "Interest Payable", "terseLabel": "Accrued interest" } } }, "localname": "InterestPayableCurrentAndNoncurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestRateContractMember": { "auth_ref": [ "r330", "r466" ], "lang": { "en-us": { "role": { "documentation": "Derivative instrument whose primary underlying risk is tied to the right to receive or pay a sum of money at a given interest rate.", "label": "Interest Rate Contract [Member]", "terseLabel": "Interest rate reset" } } }, "localname": "InterestRateContractMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails", "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails", "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_InternalUseSoftwarePolicy": { "auth_ref": [ "r105", "r230", "r232" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for costs incurred when both (1) the software is acquired, internally developed, or modified solely to meet the entity's internal needs, and (2) during the software's development or modification, no substantive plan exists or is being developed to market the software externally.", "label": "Internal Use Software, Policy [Policy Text Block]", "terseLabel": "Capitalized Software" } } }, "localname": "InternalUseSoftwarePolicy", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_InvestorMember": { "auth_ref": [ "r533", "r534" ], "lang": { "en-us": { "role": { "documentation": "Business entity or individual that puts money, by purchase or expenditure, in something offering potential profitable returns, such as interest income or appreciation in value.", "label": "Investor [Member]", "terseLabel": "Investor" } } }, "localname": "InvestorMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSParenthetical", "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSParenthetical", "http://www.comscore.com/role/RelatedPartyTransactionsNarrativeDetails", "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LeaseCostTableTextBlock": { "auth_ref": [ "r524" ], "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": "Schedules of Lease Cost and Other Information" } } }, "localname": "LeaseCostTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_LeaseholdImprovementsMember": { "auth_ref": [ "r237" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/PropertyandEquipmentPropertyandEquipmentUnderCapitalLeaseObligationsDetail" ], "xbrltype": "domainItemType" }, "us-gaap_LeasesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Leases [Abstract]", "terseLabel": "Leases [Abstract]" } } }, "localname": "LeasesAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_LesseeFinanceLeasesTextBlock": { "auth_ref": [ "r527" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for finance leases of lessee. Includes, but is not limited to, description of lessee's finance lease and maturity analysis of finance lease liability.", "label": "Lessee, Finance Leases [Text Block]", "terseLabel": "Leases" } } }, "localname": "LesseeFinanceLeasesTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/Leases" ], "xbrltype": "textBlockItemType" }, "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails", "http://www.comscore.com/role/LeasesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LesseeLeaseDescriptionTable": { "auth_ref": [ "r514" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails", "http://www.comscore.com/role/LeasesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LesseeLeasesPolicyTextBlock": { "auth_ref": [ "r513" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock": { "auth_ref": [ "r525" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.", "label": "Lessee, Operating Lease, Liability, Maturity [Table Text Block]", "terseLabel": "Maturities of Operating Lease Liabilities" } } }, "localname": "LesseeOperatingLeaseLiabilityMaturityTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue": { "auth_ref": [ "r525" ], "calculation": { "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease.", "label": "Lessee, Operating Lease, Liability, to be Paid", "totalLabel": "Total lease payments" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDue", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive": { "auth_ref": [ "r525" ], "calculation": { "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails": { "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 payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Lessee, Operating Lease, Liability, to be Paid, after Year Five", "terseLabel": "Thereafter" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths": { "auth_ref": [ "r525" ], "calculation": { "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails": { "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 payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Lessee, Operating Lease, Liability, to be Paid, Year One", "terseLabel": "2021" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive": { "auth_ref": [ "r525" ], "calculation": { "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails": { "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 payment for operating lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Lessee, Operating Lease, Liability, to be Paid, Year Five", "terseLabel": "2025" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearFive", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour": { "auth_ref": [ "r525" ], "calculation": { "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails": { "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 payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Lessee, Operating Lease, Liability, to be Paid, Year Four", "terseLabel": "2024" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearFour", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree": { "auth_ref": [ "r525" ], "calculation": { "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails": { "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 payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Lessee, Operating Lease, Liability, to be Paid, Year Three", "terseLabel": "2023" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearThree", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo": { "auth_ref": [ "r525" ], "calculation": { "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails": { "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 payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Lessee, Operating Lease, Liability, to be Paid, Year Two", "terseLabel": "2022" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearTwo", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount": { "auth_ref": [ "r525" ], "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: imputed interest" } } }, "localname": "LesseeOperatingLeaseLiabilityUndiscountedExcessAmount", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeasesTextBlock": { "auth_ref": [ "r527" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability.", "label": "Lessee, Operating Leases [Text Block]", "terseLabel": "Leases" } } }, "localname": "LesseeOperatingLeasesTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/Leases" ], "xbrltype": "textBlockItemType" }, "us-gaap_LessorOperatingLeasePaymentsToBeReceived": { "auth_ref": [ "r528" ], "calculation": { "http://www.comscore.com/role/LeasesFutureExpectedCashReceiptsFromSubleasesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of lease payments to be received by lessor for operating lease.", "label": "Lessor, Operating Lease, Payments to be Received", "totalLabel": "Total expected sublease receipts" } } }, "localname": "LessorOperatingLeasePaymentsToBeReceived", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesFutureExpectedCashReceiptsFromSubleasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears": { "auth_ref": [ "r528" ], "calculation": { "http://www.comscore.com/role/LeasesFutureExpectedCashReceiptsFromSubleasesDetails": { "order": 5.0, "parentTag": "us-gaap_LessorOperatingLeasePaymentsToBeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of lease payment to be received by lessor for operating lease in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Lessor, Operating Lease, Payment to be Received, Year Five", "terseLabel": "2025" } } }, "localname": "LessorOperatingLeasePaymentsToBeReceivedFiveYears", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesFutureExpectedCashReceiptsFromSubleasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears": { "auth_ref": [ "r528" ], "calculation": { "http://www.comscore.com/role/LeasesFutureExpectedCashReceiptsFromSubleasesDetails": { "order": 4.0, "parentTag": "us-gaap_LessorOperatingLeasePaymentsToBeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of lease payment to be received by lessor for operating lease in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Lessor, Operating Lease, Payment to be Received, Year Four", "terseLabel": "2024" } } }, "localname": "LessorOperatingLeasePaymentsToBeReceivedFourYears", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesFutureExpectedCashReceiptsFromSubleasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock": { "auth_ref": [ "r528" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of maturity of undiscounted cash flows to be received by lessor on annual basis for operating lease.", "label": "Lessor, Operating Lease, Payment to be Received, Fiscal Year Maturity [Table Text Block]", "terseLabel": "Schedule of Future Expected Cash Receipts From Subleases" } } }, "localname": "LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths": { "auth_ref": [ "r528" ], "calculation": { "http://www.comscore.com/role/LeasesFutureExpectedCashReceiptsFromSubleasesDetails": { "order": 1.0, "parentTag": "us-gaap_LessorOperatingLeasePaymentsToBeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of lease payment to be received by lessor for operating lease in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Lessor, Operating Lease, Payment to be Received, Year One", "terseLabel": "2021" } } }, "localname": "LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesFutureExpectedCashReceiptsFromSubleasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LessorOperatingLeasePaymentsToBeReceivedThereafter": { "auth_ref": [ "r528" ], "calculation": { "http://www.comscore.com/role/LeasesFutureExpectedCashReceiptsFromSubleasesDetails": { "order": 6.0, "parentTag": "us-gaap_LessorOperatingLeasePaymentsToBeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of lease payment to be received by lessor for operating lease after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Lessor, Operating Lease, Payment to be Received, after Year Five", "terseLabel": "Thereafter" } } }, "localname": "LessorOperatingLeasePaymentsToBeReceivedThereafter", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesFutureExpectedCashReceiptsFromSubleasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears": { "auth_ref": [ "r528" ], "calculation": { "http://www.comscore.com/role/LeasesFutureExpectedCashReceiptsFromSubleasesDetails": { "order": 3.0, "parentTag": "us-gaap_LessorOperatingLeasePaymentsToBeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of lease payment to be received by lessor for operating lease in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Lessor, Operating Lease, Payment to be Received, Year Three", "terseLabel": "2023" } } }, "localname": "LessorOperatingLeasePaymentsToBeReceivedThreeYears", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesFutureExpectedCashReceiptsFromSubleasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears": { "auth_ref": [ "r528" ], "calculation": { "http://www.comscore.com/role/LeasesFutureExpectedCashReceiptsFromSubleasesDetails": { "order": 2.0, "parentTag": "us-gaap_LessorOperatingLeasePaymentsToBeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of lease payment to be received by lessor for operating lease in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).", "label": "Lessor, Operating Lease, Payment to be Received, Year Two", "terseLabel": "2022" } } }, "localname": "LessorOperatingLeasePaymentsToBeReceivedTwoYears", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesFutureExpectedCashReceiptsFromSubleasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LetterOfCreditMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A document typically issued by a financial institution which acts as a guarantee of payment to a beneficiary, or as the source of payment for a specific transaction (for example, wiring funds to a foreign exporter if and when specified merchandise is accepted pursuant to the terms of the letter of credit).", "label": "Letter of Credit [Member]", "terseLabel": "Letter of credit" } } }, "localname": "LetterOfCreditMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_Liabilities": { "auth_ref": [ "r37", "r109", "r166", "r193", "r450", "r453", "r454", "r485" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 1.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.", "label": "Liabilities", "totalLabel": "Total liabilities" } } }, "localname": "Liabilities", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesAndStockholdersEquity": { "auth_ref": [ "r27", "r109", "r193", "r485", "r576", "r592" ], "calculation": { "http://www.comscore.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 stockholders' equity" } } }, "localname": "LiabilitiesAndStockholdersEquity", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesAndStockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Liabilities and Equity [Abstract]", "terseLabel": "Liabilities and Stockholders' Equity" } } }, "localname": "LiabilitiesAndStockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilitiesAssumed1": { "auth_ref": [ "r101", "r102", "r103" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The fair value of liabilities assumed in noncash investing or financing activities.", "label": "Liabilities Assumed", "verboseLabel": "Fair value of financing derivatives issued with senior secured convertible notes" } } }, "localname": "LiabilitiesAssumed1", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesCurrent": { "auth_ref": [ "r40", "r109", "r193", "r450", "r453", "r454", "r485" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 1.0, "parentTag": "us-gaap_Liabilities", "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", "totalLabel": "Total current liabilities" } } }, "localname": "LiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilitiesFairValueDisclosureAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Liabilities, Fair Value Disclosure [Abstract]", "terseLabel": "Liabilities:" } } }, "localname": "LiabilitiesFairValueDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LitigationStatusAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information by status of pending, threatened, or settled litigation.", "label": "Litigation Status [Axis]", "terseLabel": "Litigation Status [Axis]" } } }, "localname": "LitigationStatusAxis", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CommitmentsandContingenciesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LitigationStatusDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Status of pending, threatened, or settled litigation.", "label": "Litigation Status [Domain]", "terseLabel": "Litigation Status [Domain]" } } }, "localname": "LitigationStatusDomain", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CommitmentsandContingenciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LongTermDebt": { "auth_ref": [ "r15", "r279", "r575", "r589" ], "calculation": { "http://www.comscore.com/role/DebtScheduleofDebtDetails": { "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": "Net Carrying Value" } } }, "localname": "LongTermDebt", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtScheduleofDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtFairValue": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.", "label": "Long-term Debt, Fair Value", "terseLabel": "Fair value of notes" } } }, "localname": "LongTermDebtFairValue", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtTextBlock": { "auth_ref": [ "r282" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for long-term debt.", "label": "Long-term Debt [Text Block]", "terseLabel": "Debt" } } }, "localname": "LongTermDebtTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/Debt" ], "xbrltype": "textBlockItemType" }, "us-gaap_LongTermNotesPayable": { "auth_ref": [ "r43" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 2.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.", "label": "Notes Payable, Noncurrent", "terseLabel": "Non-current portion of secured term note" } } }, "localname": "LongTermNotesPayable", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongtermDebtTypeAxis": { "auth_ref": [ "r43" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/DebtScheduleofDebtDetails", "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LongtermDebtTypeDomain": { "auth_ref": [ "r43", "r276" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/DebtScheduleofDebtDetails", "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LongtermPurchaseCommitmentPeriod": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Period covered by the long-term purchase commitment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Long-term Purchase Commitment, Period", "terseLabel": "Agreement term (in years)" } } }, "localname": "LongtermPurchaseCommitmentPeriod", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RelatedPartyTransactionsNarrativeDetails" ], "xbrltype": "durationItemType" }, "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": "Loss Contingencies [Line Items]" } } }, "localname": "LossContingenciesLineItems", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CommitmentsandContingenciesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LossContingenciesTable": { "auth_ref": [ "r263", "r264", "r265", "r267", "r268", "r269", "r271", "r273", "r274" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CommitmentsandContingenciesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LossContingencyDamagesSoughtValue": { "auth_ref": [ "r263", "r266", "r270" ], "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": "Loss contingency, alleged damages amount (in excess of)" } } }, "localname": "LossContingencyDamagesSoughtValue", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CommitmentsandContingenciesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_MeasurementInputDiscountRateMember": { "auth_ref": [ "r473" ], "lang": { "en-us": { "role": { "documentation": "Measurement input using interest rate to determine present value of future cash flows.", "label": "Measurement Input, Discount Rate [Member]", "terseLabel": "Discount rate", "verboseLabel": "Credit Adjusting Discount Rate" } } }, "localname": "MeasurementInputDiscountRateMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MeasurementInputExpectedDividendPaymentMember": { "auth_ref": [ "r473" ], "lang": { "en-us": { "role": { "documentation": "Measurement input using expected dividend to be paid to holder of equity or financial instrument.", "label": "Measurement Input, Expected Dividend Payment [Member]", "terseLabel": "Dividend yield" } } }, "localname": "MeasurementInputExpectedDividendPaymentMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MeasurementInputExpectedTermMember": { "auth_ref": [ "r473" ], "lang": { "en-us": { "role": { "documentation": "Measurement input using period financial instrument is expected to be outstanding. Excludes maturity date.", "label": "Measurement Input, Expected Term [Member]", "terseLabel": "Term" } } }, "localname": "MeasurementInputExpectedTermMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MeasurementInputOptionVolatilityMember": { "auth_ref": [ "r473" ], "lang": { "en-us": { "role": { "documentation": "Measurement input using rate at which price of option increases (decreases) for given set of returns.", "label": "Measurement Input, Option Volatility [Member]", "terseLabel": "Option Volatility" } } }, "localname": "MeasurementInputOptionVolatilityMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MeasurementInputPriceVolatilityMember": { "auth_ref": [ "r473" ], "lang": { "en-us": { "role": { "documentation": "Measurement input using rate at which price of security will increase (decrease) for given set of returns.", "label": "Measurement Input, Price Volatility [Member]", "terseLabel": "Volatility" } } }, "localname": "MeasurementInputPriceVolatilityMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MeasurementInputRiskFreeInterestRateMember": { "auth_ref": [ "r473" ], "lang": { "en-us": { "role": { "documentation": "Measurement input using interest rate on instrument with zero risk of financial loss.", "label": "Measurement Input, Risk Free Interest Rate [Member]", "terseLabel": "Risk-free rate", "verboseLabel": "Risk-free Rate" } } }, "localname": "MeasurementInputRiskFreeInterestRateMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MeasurementInputSharePriceMember": { "auth_ref": [ "r473" ], "lang": { "en-us": { "role": { "documentation": "Measurement input using share price of saleable stock.", "label": "Measurement Input, Share Price [Member]", "terseLabel": "Stock price" } } }, "localname": "MeasurementInputSharePriceMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MeasurementInputTypeAxis": { "auth_ref": [ "r473" ], "lang": { "en-us": { "role": { "documentation": "Information by type of measurement input used to determine value of asset and liability.", "label": "Measurement Input Type [Axis]", "terseLabel": "Measurement Input Type [Axis]" } } }, "localname": "MeasurementInputTypeAxis", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_MeasurementInputTypeDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Measurement input used to determine value of asset and liability.", "label": "Measurement Input Type [Domain]", "terseLabel": "Measurement Input Type [Domain]" } } }, "localname": "MeasurementInputTypeDomain", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MoneyMarketFundsMember": { "auth_ref": [ "r330" ], "lang": { "en-us": { "role": { "documentation": "Fund that invests in short-term money-market instruments, for example, but not limited to, commercial paper, banker's acceptances, repurchase agreements, government securities, certificates of deposit, and other highly liquid securities.", "label": "Money Market Funds [Member]", "terseLabel": "Money market funds" } } }, "localname": "MoneyMarketFundsMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails" ], "xbrltype": "domainItemType" }, "us-gaap_NetCashProvidedByUsedInFinancingActivities": { "auth_ref": [ "r92" ], "calculation": { "http://www.comscore.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": "Net cash (used in) provided by financing activities" } } }, "localname": "NetCashProvidedByUsedInFinancingActivities", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Net Cash Provided by (Used in) Financing Activities [Abstract]", "terseLabel": "Financing activities:" } } }, "localname": "NetCashProvidedByUsedInFinancingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "stringItemType" }, "us-gaap_NetCashProvidedByUsedInInvestingActivities": { "auth_ref": [ "r92" ], "calculation": { "http://www.comscore.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": "Net cash used in investing activities" } } }, "localname": "NetCashProvidedByUsedInInvestingActivities", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Net Cash Provided by (Used in) Investing Activities [Abstract]", "terseLabel": "Investing activities:" } } }, "localname": "NetCashProvidedByUsedInInvestingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "stringItemType" }, "us-gaap_NetCashProvidedByUsedInOperatingActivities": { "auth_ref": [ "r92", "r94", "r97" ], "calculation": { "http://www.comscore.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": "Net cash provided by (used in) operating activities" } } }, "localname": "NetCashProvidedByUsedInOperatingActivities", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Net Cash Provided by (Used in) Operating Activities [Abstract]", "terseLabel": "Operating activities:" } } }, "localname": "NetCashProvidedByUsedInOperatingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "stringItemType" }, "us-gaap_NetIncomeLoss": { "auth_ref": [ "r1", "r60", "r62", "r67", "r97", "r109", "r123", "r127", "r128", "r129", "r130", "r132", "r133", "r137", "r161", "r164", "r168", "r171", "r173", "r193", "r485", "r580", "r595" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 }, "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS": { "order": 1.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.", "label": "Net Income (Loss) Attributable to Parent", "totalLabel": "Net loss", "verboseLabel": "Net loss" } } }, "localname": "NetIncomeLoss", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS", "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS", "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "monetaryItemType" }, "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": "Accounting Standards Recently Adopted and Recently Issued Accounting Pronouncements" } } }, "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_NondesignatedMember": { "auth_ref": [ "r458" ], "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": "No hedging designation" } } }, "localname": "NondesignatedMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails" ], "xbrltype": "domainItemType" }, "us-gaap_NotesIssued1": { "auth_ref": [ "r101", "r102", "r103" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The fair value of notes issued in noncash investing and financing activities.", "label": "Notes Issued", "terseLabel": "Modification of debt in consideration for the reduction of the senior secured convertible note minimum cash balance requirement" } } }, "localname": "NotesIssued1", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_NotesPayableCurrent": { "auth_ref": [ "r36" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 5.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.", "label": "Notes Payable, Current", "terseLabel": "Current portion of secured term note" } } }, "localname": "NotesPayableCurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_NotesPayableOtherPayablesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A written promise to pay a note to a third party.", "label": "Notes Payable, Other Payables [Member]", "verboseLabel": "Secured Term Note" } } }, "localname": "NotesPayableOtherPayablesMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/DebtScheduleofDebtDetails", "http://www.comscore.com/role/OrganizationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_NumberOfOperatingSegments": { "auth_ref": [ "r157" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationDetails" ], "xbrltype": "integerItemType" }, "us-gaap_NumberOfReportableSegments": { "auth_ref": [ "r157" ], "lang": { "en-us": { "role": { "documentation": "Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.", "label": "Number of Reportable Segments", "terseLabel": "Number of reportable segments" } } }, "localname": "NumberOfReportableSegments", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionNarrativeDetails" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "integerItemType" }, "us-gaap_OperatingExpenses": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail": { "order": 1.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.", "label": "Operating Expenses", "totalLabel": "Total expenses from operations" } } }, "localname": "OperatingExpenses", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingIncomeLoss": { "auth_ref": [ "r161", "r164", "r168", "r171", "r173" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS": { "order": 1.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": 1.0 }, "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The net result for the period of deducting operating expenses from operating revenues.", "label": "Operating Income (Loss)", "totalLabel": "Loss from operations" } } }, "localname": "OperatingIncomeLoss", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseCost": { "auth_ref": [ "r516", "r526" ], "calculation": { "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "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", "totalLabel": "Total operating lease cost" } } }, "localname": "OperatingLeaseCost", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseImpairmentLoss": { "auth_ref": [ "r506" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of loss from impairment of right-of-use asset from operating lease.", "label": "Operating Lease, Impairment Loss", "terseLabel": "Impairment of right-of-use assets" } } }, "localname": "OperatingLeaseImpairmentLoss", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesNarrativeDetails", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Lessee, Operating Lease, Liability, Payment, Due [Abstract]", "terseLabel": "Operating Leases" } } }, "localname": "OperatingLeaseLiabilitiesPaymentsDueAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_OperatingLeaseLiability": { "auth_ref": [ "r508" ], "calculation": { "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease.", "label": "Operating Lease, Liability", "totalLabel": "Total lease liabilities" } } }, "localname": "OperatingLeaseLiability", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseLiabilityCurrent": { "auth_ref": [ "r508" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 6.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 }, "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails": { "order": 1.0, "parentTag": "us-gaap_OperatingLeaseLiability", "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", "negatedTerseLabel": "Less: current lease liabilities", "terseLabel": "Current operating lease liabilities" } } }, "localname": "OperatingLeaseLiabilityCurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseLiabilityNoncurrent": { "auth_ref": [ "r508" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 5.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 }, "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails": { "order": 2.0, "parentTag": "us-gaap_OperatingLeaseLiability", "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", "terseLabel": "Total non-current lease liabilities", "verboseLabel": "Non-current operating lease liabilities" } } }, "localname": "OperatingLeaseLiabilityNoncurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.comscore.com/role/LeasesMaturitiesOfFinanceAndOperatingLeaseLiabilitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasePayments": { "auth_ref": [ "r512", "r520" ], "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 from operating leases" } } }, "localname": "OperatingLeasePayments", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesOtherInformationDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseRightOfUseAsset": { "auth_ref": [ "r507" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 3.0, "parentTag": "us-gaap_Assets", "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", "terseLabel": "Operating right-of-use assets" } } }, "localname": "OperatingLeaseRightOfUseAsset", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense": { "auth_ref": [ "r96" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 23.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of amortization expense for right-of-use asset from operating lease.", "label": "Operating Lease, Right-of-Use Asset, Amortization Expense", "terseLabel": "Non-cash operating lease expense" } } }, "localname": "OperatingLeaseRightOfUseAssetAmortizationExpense", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent": { "auth_ref": [ "r523", "r526" ], "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": "Weighted-average discount rate - operating leases" } } }, "localname": "OperatingLeaseWeightedAverageDiscountRatePercent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesNarrativeDetails" ], "xbrltype": "percentItemType" }, "us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1": { "auth_ref": [ "r522", "r526" ], "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": "Weighted-average remaining lease - operating leases (in years)" } } }, "localname": "OperatingLeaseWeightedAverageRemainingLeaseTerm1", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesNarrativeDetails" ], "xbrltype": "durationItemType" }, "us-gaap_OperatingLeasesOfLessorDisclosureTextBlock": { "auth_ref": [ "r503", "r504", "r529" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for lessor's operating leases.", "label": "Lessor, Operating Leases [Text Block]", "terseLabel": "Leases" } } }, "localname": "OperatingLeasesOfLessorDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/Leases" ], "xbrltype": "textBlockItemType" }, "us-gaap_OperatingLossCarryforwards": { "auth_ref": [ "r420" ], "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": "Operating loss carryforwards" } } }, "localname": "OperatingLossCarryforwards", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Organization, Consolidation and Presentation of Financial Statements [Abstract]", "terseLabel": "Organization, Consolidation and Presentation of Financial Statements [Abstract]" } } }, "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock": { "auth_ref": [ "r2", "r455" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for organization, consolidation and basis of presentation of financial statements disclosure.", "label": "Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]", "terseLabel": "Organization" } } }, "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/Organization" ], "xbrltype": "textBlockItemType" }, "us-gaap_OtherAccruedLiabilitiesCurrentAndNoncurrent": { "auth_ref": [ "r577", "r594" ], "calculation": { "http://www.comscore.com/role/AccruedExpensesDetails": { "order": 5.0, "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.", "label": "Other Accrued Liabilities", "terseLabel": "Other" } } }, "localname": "OtherAccruedLiabilitiesCurrentAndNoncurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/AccruedExpensesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherAssetsNoncurrent": { "auth_ref": [ "r34" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 7.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of noncurrent assets classified as other.", "label": "Other Assets, Noncurrent", "terseLabel": "Other non-current assets" } } }, "localname": "OtherAssetsNoncurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent": { "auth_ref": [ "r447", "r448", "r451" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS": { "order": 2.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "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": "Foreign currency cumulative translation adjustment" } } }, "localname": "OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS", "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Other Comprehensive Income (Loss), Net of Tax [Abstract]", "terseLabel": "Other comprehensive income (loss):" } } }, "localname": "OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS" ], "xbrltype": "stringItemType" }, "us-gaap_OtherIntangibleAssetsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Intangible assets classified as other.", "label": "Other Intangible Assets [Member]", "terseLabel": "Other" } } }, "localname": "OtherIntangibleAssetsMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetail", "http://www.comscore.com/role/GoodwillandIntangibleAssetsWeightedAverageRemainingAmortizationPeriodDetail", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesScheduleofUsefulLivesofFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_OtherLiabilitiesCurrent": { "auth_ref": [ "r7", "r8", "r38" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 8.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "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": "Other current liabilities" } } }, "localname": "OtherLiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherLiabilitiesDisclosureAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Other Liabilities Disclosure [Abstract]", "terseLabel": "Other Liabilities Disclosure [Abstract]" } } }, "localname": "OtherLiabilitiesDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_OtherLiabilitiesDisclosureTextBlock": { "auth_ref": [ "r39" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for other liabilities.", "label": "Other Liabilities Disclosure [Text Block]", "terseLabel": "Accrued Expenses" } } }, "localname": "OtherLiabilitiesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/AccruedExpenses" ], "xbrltype": "textBlockItemType" }, "us-gaap_OtherLiabilitiesNoncurrent": { "auth_ref": [ "r44" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 8.0, "parentTag": "us-gaap_Liabilities", "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": "Non-current liabilities", "verboseLabel": "Other non-current liabilities" } } }, "localname": "OtherLiabilitiesNoncurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherNoncashIncomeExpense": { "auth_ref": [ "r97" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 16.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other.", "label": "Other Noncash Income (Expense)", "negatedTerseLabel": "Other" } } }, "localname": "OtherNoncashIncomeExpense", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherNonoperatingIncomeExpense": { "auth_ref": [ "r79" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS": { "order": 3.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": 1.0 }, "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesOtherIncomeExpenseNetDetails": { "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)", "terseLabel": "Other income (expense), net", "totalLabel": "Total other income (expense), net", "verboseLabel": "Other income (expense), net" } } }, "localname": "OtherNonoperatingIncomeExpense", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesOtherIncomeExpenseNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherRestructuringCosts": { "auth_ref": [ "r96", "r244", "r251", "r256" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation.", "label": "Other Restructuring Costs", "terseLabel": "Other expenses" } } }, "localname": "OtherRestructuringCosts", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuringAccruedRestructuringExpensesChangesinAccruedAmountsandAdditionalRestructuringCostsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsForRestructuring": { "auth_ref": [ "r90", "r246" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.", "label": "Payments for Restructuring", "negatedLabel": "Payments" } } }, "localname": "PaymentsForRestructuring", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuringAccruedRestructuringExpensesChangesinAccruedAmountsandAdditionalRestructuringCostsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsForSoftware": { "auth_ref": [ "r83" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The cash outflow associated with the development, modification or acquisition of software programs or applications for internal use (that is, not to be sold, leased or otherwise marketed to others) that qualify for capitalization.", "label": "Payments for Software", "negatedTerseLabel": "Capitalized internal-use software costs" } } }, "localname": "PaymentsForSoftware", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsOfDebtIssuanceCosts": { "auth_ref": [ "r87" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.", "label": "Payments of Debt Issuance Costs", "negatedTerseLabel": "Senior secured convertible notes issuance costs", "terseLabel": "Debt issuance costs" } } }, "localname": "PaymentsOfDebtIssuanceCosts", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS", "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsOfStockIssuanceCosts": { "auth_ref": [ "r88" ], "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", "verboseLabel": "Transaction costs" } } }, "localname": "PaymentsOfStockIssuanceCosts", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation": { "auth_ref": [ "r86" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 9.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement.", "label": "Payment, Tax Withholding, Share-based Payment Arrangement", "negatedLabel": "Payments for taxes related to net share settlement of equity awards" } } }, "localname": "PaymentsRelatedToTaxWithholdingForShareBasedCompensation", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquirePropertyPlantAndEquipment": { "auth_ref": [ "r83" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "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": "Purchases of property and equipment" } } }, "localname": "PaymentsToAcquirePropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_PlanNameAxis": { "auth_ref": [ "r345", "r378" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PreferredStockParOrStatedValuePerShare": { "auth_ref": [ "r19" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_PreferredStockSharesAuthorized": { "auth_ref": [ "r19" ], "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, shares authorized (in shares)" } } }, "localname": "PreferredStockSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockSharesIssued": { "auth_ref": [ "r19" ], "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, shares issued (in shares)" } } }, "localname": "PreferredStockSharesIssued", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockSharesOutstanding": { "auth_ref": [ "r19" ], "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, shares outstanding (in shares)" } } }, "localname": "PreferredStockSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockValue": { "auth_ref": [ "r19" ], "calculation": { "http://www.comscore.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", "terseLabel": "Preferred stock, $0.001 par value per share; 5,000,000 shares authorized at December\u00a031, 2020 and 2019; no shares issued or outstanding as of December\u00a031, 2020 or 2019" } } }, "localname": "PreferredStockValue", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_PrepaidExpenseAndOtherAssetsCurrent": { "auth_ref": [ "r5", "r28", "r29" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "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 current assets ($1,496 and $1,180 attributable to related parties, respectively)", "verboseLabel": "Prepaid expenses and other current assets" } } }, "localname": "PrepaidExpenseAndOtherAssetsCurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PriorPeriodReclassificationAdjustmentDescription": { "auth_ref": [ "r0" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for reclassification affecting comparability of financial statement. Excludes amendment to accounting standards, other change in accounting principle, and correction of error.", "label": "Reclassification, Comparability Adjustment [Policy Text Block]", "terseLabel": "Reclassification" } } }, "localname": "PriorPeriodReclassificationAdjustmentDescription", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_PrivatePlacementMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A private placement is a direct offering of securities to a limited number of sophisticated investors such as insurance companies, pension funds, mezzanine funds, stock funds and trusts.", "label": "Private Placement [Member]", "terseLabel": "Private Placement" } } }, "localname": "PrivatePlacementMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ProceedsFromIssuanceOfPrivatePlacement": { "auth_ref": [ "r84" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 5.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.", "label": "Proceeds from Issuance of Private Placement", "terseLabel": "Proceeds from private placement, net of issuance costs paid" } } }, "localname": "ProceedsFromIssuanceOfPrivatePlacement", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromIssuanceOfWarrants": { "auth_ref": [ "r84" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).", "label": "Proceeds from Issuance of Warrants", "terseLabel": "Proceeds from the issuance of warrants" } } }, "localname": "ProceedsFromIssuanceOfWarrants", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromNotesPayable": { "auth_ref": [ "r85" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The cash inflow from a borrowing supported by a written promise to pay an obligation.", "label": "Proceeds from Notes Payable", "terseLabel": "Proceeds from secured term note" } } }, "localname": "ProceedsFromNotesPayable", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromRelatedPartyDebt": { "auth_ref": [ "r85" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The cash inflow from a long-term borrowing made 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. Alternate caption: Proceeds from Advances from Affiliates.", "label": "Proceeds from Related Party Debt", "terseLabel": "Proceeds from borrowings on senior secured convertible notes (related party)", "verboseLabel": "Cash proceeds" } } }, "localname": "ProceedsFromRelatedPartyDebt", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS", "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/OrganizationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments": { "auth_ref": [ "r82" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The cash inflow associated with the sale, maturity and collection of all investments such as debt, security and so forth during the period.", "label": "Proceeds from Sale, Maturity and Collection of Investments", "terseLabel": "Proceeds from sale of investment in equity securities" } } }, "localname": "ProceedsFromSaleMaturityAndCollectionsOfInvestments", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt": { "auth_ref": [ "r80", "r81", "r190" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).", "label": "Proceeds from Sale of Debt Securities, Available-for-sale", "terseLabel": "Proceeds from sale of investment in equity securities" } } }, "localname": "ProceedsFromSaleOfAvailableForSaleSecuritiesDebt", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromStockOptionsExercised": { "auth_ref": [ "r84", "r379" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 8.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of cash inflow from exercise of option under share-based payment arrangement.", "label": "Proceeds from Stock Options Exercised", "terseLabel": "Proceeds from the exercise of stock options" } } }, "localname": "ProceedsFromStockOptionsExercised", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Property, Plant and Equipment [Abstract]", "terseLabel": "Property, Plant and Equipment [Abstract]" } } }, "localname": "PropertyPlantAndEquipmentAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization": { "auth_ref": [ "r238", "r509", "r515" ], "calculation": { "http://www.comscore.com/role/PropertyandEquipmentPropertyandEquipmentUnderCapitalLeaseObligationsDetail": { "order": 2.0, "parentTag": "us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease.", "label": "Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization", "negatedLabel": "Less: accumulated depreciation and amortization (including software license arrangements of $1,428 in 2020 and $400 in 2019)" } } }, "localname": "PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/PropertyandEquipmentPropertyandEquipmentUnderCapitalLeaseObligationsDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization": { "auth_ref": [ "r51", "r239", "r515" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 2.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://www.comscore.com/role/PropertyandEquipmentPropertyandEquipmentUnderCapitalLeaseObligationsDetail": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.", "label": "Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization", "terseLabel": "Property and equipment, net", "totalLabel": "Total property and equipment, net" } } }, "localname": "PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.comscore.com/role/PropertyandEquipmentPropertyandEquipmentUnderCapitalLeaseObligationsDetail", "http://www.comscore.com/role/PropertyandEquipmentScheduleofCompositionoftheCompanysPropertyandEquipmentDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization": { "auth_ref": [ "r12", "r237", "r507" ], "calculation": { "http://www.comscore.com/role/PropertyandEquipmentPropertyandEquipmentUnderCapitalLeaseObligationsDetail": { "order": 1.0, "parentTag": "us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, before accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.", "label": "Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization", "totalLabel": "Total property and equipment" } } }, "localname": "PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/PropertyandEquipmentPropertyandEquipmentUnderCapitalLeaseObligationsDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentByTypeAxis": { "auth_ref": [ "r33", "r239" ], "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": "Long-Lived Tangible Asset [Axis]", "terseLabel": "Property, Plant and Equipment, Type [Axis]" } } }, "localname": "PropertyPlantAndEquipmentByTypeAxis", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/PropertyandEquipmentPropertyandEquipmentUnderCapitalLeaseObligationsDetail", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock": { "auth_ref": [ "r243", "r620", "r621", "r622" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections.", "label": "Property, Plant and Equipment Disclosure [Text Block]", "verboseLabel": "Property and Equipment" } } }, "localname": "PropertyPlantAndEquipmentDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/PropertyandEquipment" ], "xbrltype": "textBlockItemType" }, "us-gaap_PropertyPlantAndEquipmentGross": { "auth_ref": [ "r32", "r237" ], "calculation": { "http://www.comscore.com/role/PropertyandEquipmentPropertyandEquipmentUnderCapitalLeaseObligationsDetail": { "order": 2.0, "parentTag": "us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization", "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", "verboseLabel": "Property and equipment, gross" } } }, "localname": "PropertyPlantAndEquipmentGross", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/PropertyandEquipmentPropertyandEquipmentUnderCapitalLeaseObligationsDetail" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/PropertyandEquipmentPropertyandEquipmentUnderCapitalLeaseObligationsDetail" ], "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentPolicyTextBlock": { "auth_ref": [ "r31", "r105", "r239", "r620", "r621" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections.", "label": "Property, Plant and Equipment, Policy [Policy Text Block]", "terseLabel": "Property and Equipment, net" } } }, "localname": "PropertyPlantAndEquipmentPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_PropertyPlantAndEquipmentTextBlock": { "auth_ref": [ "r12", "r239" ], "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]", "verboseLabel": "Property and Equipment Under Capital Lease Obligations" } } }, "localname": "PropertyPlantAndEquipmentTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/PropertyandEquipmentTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_PropertyPlantAndEquipmentTypeDomain": { "auth_ref": [ "r12", "r237" ], "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": "Long-Lived Tangible Asset [Domain]", "terseLabel": "Property, Plant and Equipment, Type [Domain]" } } }, "localname": "PropertyPlantAndEquipmentTypeDomain", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/PropertyandEquipmentPropertyandEquipmentUnderCapitalLeaseObligationsDetail", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "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": "Internal-use software, estimated useful life (in years)" } } }, "localname": "PropertyPlantAndEquipmentUsefulLife", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "durationItemType" }, "us-gaap_ProvisionForDoubtfulAccounts": { "auth_ref": [ "r70", "r202" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 7.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of expense (reversal of expense) for expected credit loss on accounts receivable.", "label": "Accounts Receivable, Credit Loss Expense (Reversal)", "negatedTerseLabel": "Bad debt expense", "terseLabel": "Provision for bad debts" } } }, "localname": "ProvisionForDoubtfulAccounts", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesScheduleofAllowanceforDoubtfulAccountsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_QuarterlyFinancialInformationDisclosureAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Quarterly Financial Information Disclosure [Abstract]", "terseLabel": "Quarterly Financial Information Disclosure [Abstract]" } } }, "localname": "QuarterlyFinancialInformationDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_QuarterlyFinancialInformationTextBlock": { "auth_ref": [ "r144" ], "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]", "verboseLabel": "Quarterly Financial Information (Unaudited)" } } }, "localname": "QuarterlyFinancialInformationTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/QuarterlyFinancialInformationUnaudited" ], "xbrltype": "textBlockItemType" }, "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, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]" } } }, "localname": "ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesUnrecognizedIncomeTaxBenefitsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyDomain": { "auth_ref": [ "r337", "r533", "r534" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSParenthetical", "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSParenthetical", "http://www.comscore.com/role/RelatedPartyTransactionsNarrativeDetails", "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RelatedPartyTransactionAxis": { "auth_ref": [ "r337", "r533", "r534", "r537" ], "lang": { "en-us": { "role": { "documentation": "Information by type of related party transaction.", "label": "Related Party Transaction [Axis]", "terseLabel": "Related Party Transaction [Axis]" } } }, "localname": "RelatedPartyTransactionAxis", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RelatedPartyTransactionsNarrativeDetails", "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionDomain": { "auth_ref": [ "r337" ], "lang": { "en-us": { "role": { "documentation": "Transaction between related party.", "label": "Related Party Transaction [Domain]", "terseLabel": "Related Party Transaction [Domain]" } } }, "localname": "RelatedPartyTransactionDomain", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RelatedPartyTransactionsNarrativeDetails", "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty": { "auth_ref": [ "r533" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.", "label": "Related Party Transaction, Expenses from Transactions with Related Party", "terseLabel": "Expenses" } } }, "localname": "RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSParenthetical", "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails" ], "xbrltype": "monetaryItemType" }, "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/RelatedPartyTransactionsNarrativeDetails", "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Related Party Transactions [Abstract]", "terseLabel": "Related Party Transactions [Abstract]" } } }, "localname": "RelatedPartyTransactionsAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionsByRelatedPartyAxis": { "auth_ref": [ "r337", "r533", "r537", "r557", "r558", "r559", "r560", "r561", "r562", "r563", "r564", "r565", "r566", "r567", "r568" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSParenthetical", "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSParenthetical", "http://www.comscore.com/role/RelatedPartyTransactionsNarrativeDetails", "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionsDisclosureTextBlock": { "auth_ref": [ "r531", "r532", "r534", "r538", "r539" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/RelatedPartyTransactions" ], "xbrltype": "textBlockItemType" }, "us-gaap_ResearchAndDevelopmentExpense": { "auth_ref": [ "r393", "r634" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS": { "order": 3.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 }, "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail": { "order": 2.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.", "label": "Research and Development Expense", "terseLabel": "Research and development" } } }, "localname": "ResearchAndDevelopmentExpense", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_ResearchAndDevelopmentExpenseMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Primary financial statement caption in which the reported facts about research and development expense have been included.", "label": "Research and Development Expense [Member]", "terseLabel": "Research and development" } } }, "localname": "ResearchAndDevelopmentExpenseMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSParenthetical", "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "domainItemType" }, "us-gaap_ResearchAndDevelopmentExpensePolicy": { "auth_ref": [ "r105", "r393" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for costs it has incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process.", "label": "Research and Development Expense, Policy [Policy Text Block]", "terseLabel": "Research and Development" } } }, "localname": "ResearchAndDevelopmentExpensePolicy", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ResearchMember": { "auth_ref": [ "r421" ], "lang": { "en-us": { "role": { "documentation": "Research tax credit carryforwards arising from certain qualifying expenditures incurred to develop new products and processes.", "label": "Research Tax Credit Carryforward [Member]", "terseLabel": "Research & development credit carryforward" } } }, "localname": "ResearchMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue": { "auth_ref": [ "r3", "r11", "r98", "r104" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 2.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 }, "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 2.0, "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "weight": 1.0 } }, "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", "verboseLabel": "Restricted cash" } } }, "localname": "RestrictedCashAndCashEquivalentsAtCarryingValue", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis": { "auth_ref": [ "r30" ], "lang": { "en-us": { "role": { "documentation": "Information by category of cash or cash equivalent items which are restricted as to withdrawal or usage.", "label": "Restricted Cash and Cash Equivalents [Axis]", "terseLabel": "Restricted Cash and Cash Equivalents [Axis]" } } }, "localname": "RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Type of cash and cash equivalent. Cash is 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.", "label": "Cash and Cash Equivalents [Domain]", "terseLabel": "Cash and Cash Equivalents [Domain]" } } }, "localname": "RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "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" } } }, "localname": "RestrictedStockUnitsRSUMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityNonvestedStockAwardsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RestructuringAndRelatedActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Restructuring and Related Activities [Abstract]", "terseLabel": "Restructuring and Related Activities [Abstract]" } } }, "localname": "RestructuringAndRelatedActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock": { "auth_ref": [ "r259" ], "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]", "terseLabel": "Organizational Restructuring" } } }, "localname": "RestructuringAndRelatedActivitiesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuring" ], "xbrltype": "textBlockItemType" }, "us-gaap_RestructuringAndRelatedCostIncurredCost": { "auth_ref": [ "r245", "r248", "r254", "r258" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.", "label": "Restructuring and Related Cost, Incurred Cost", "terseLabel": "Restructuring cost incurred" } } }, "localname": "RestructuringAndRelatedCostIncurredCost", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuringNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of positions eliminated during the period as a percentage of total positions eliminated during the period in connection with the restructuring plan(s).", "label": "Restructuring and Related Cost, Number of Positions Eliminated, Period Percent", "terseLabel": "Percentage of positions eliminated" } } }, "localname": "RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuringNarrativeDetails" ], "xbrltype": "percentItemType" }, "us-gaap_RestructuringCharges": { "auth_ref": [ "r96", "r244", "r251", "r256" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS": { "order": 10.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 }, "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail": { "order": 9.0, "parentTag": "us-gaap_OperatingExpenses", "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", "netLabel": "Restructuring charges (reversal)", "terseLabel": "Restructuring", "verboseLabel": "Restructuring expense" } } }, "localname": "RestructuringCharges", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS", "http://www.comscore.com/role/OrganizationalRestructuringAccruedRestructuringExpensesChangesinAccruedAmountsandAdditionalRestructuringCostsDetails", "http://www.comscore.com/role/OrganizationalRestructuringNarrativeDetails", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_RestructuringChargesMember": { "auth_ref": [ "r247", "r251", "r257" ], "lang": { "en-us": { "role": { "documentation": "Primary financial statement caption in which the reported facts about restructuring charges have been included.", "label": "Restructuring Charges [Member]", "terseLabel": "Restructuring" } } }, "localname": "RestructuringChargesMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSParenthetical", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "domainItemType" }, "us-gaap_RestructuringCostAndReserveAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information by type of restructuring cost.", "label": "Restructuring Type [Axis]", "terseLabel": "Restructuring Type [Axis]" } } }, "localname": "RestructuringCostAndReserveAxis", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuringAccruedRestructuringExpensesChangesinAccruedAmountsandAdditionalRestructuringCostsDetails" ], "xbrltype": "stringItemType" }, "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/OrganizationalRestructuringAccruedRestructuringExpensesChangesinAccruedAmountsandAdditionalRestructuringCostsDetails", "http://www.comscore.com/role/OrganizationalRestructuringNarrativeDetails" ], "xbrltype": "stringItemType" }, "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuringAccruedRestructuringExpensesChangesinAccruedAmountsandAdditionalRestructuringCostsDetails", "http://www.comscore.com/role/OrganizationalRestructuringNarrativeDetails" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuringAccruedRestructuringExpensesChangesinAccruedAmountsandAdditionalRestructuringCostsDetails", "http://www.comscore.com/role/OrganizationalRestructuringNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RestructuringReserve": { "auth_ref": [ "r246", "r252" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.", "label": "Restructuring Reserve", "periodEndLabel": "Accrued Ending Balance", "periodStartLabel": "Accrued Beginning Balance" } } }, "localname": "RestructuringReserve", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuringAccruedRestructuringExpensesChangesinAccruedAmountsandAdditionalRestructuringCostsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RestructuringReserveAcceleratedDepreciation": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of accelerated depreciation charged against earnings associated with exit from or disposal of business activities or restructuring plan.", "label": "Restructuring and Related Cost, Accelerated Depreciation", "terseLabel": "Accelerated depreciation" } } }, "localname": "RestructuringReserveAcceleratedDepreciation", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuringAccruedRestructuringExpensesChangesinAccruedAmountsandAdditionalRestructuringCostsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RestructuringReserveRollForward": { "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": "Restructuring Reserve [Roll Forward]", "terseLabel": "Restructuring Reserve [Roll Forward]" } } }, "localname": "RestructuringReserveRollForward", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuringAccruedRestructuringExpensesChangesinAccruedAmountsandAdditionalRestructuringCostsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RestructuringReserveTranslationAdjustment": { "auth_ref": [ "r246", "r255" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of foreign currency translation gain (loss) which decreases (increases) the restructuring reserve.", "label": "Restructuring Reserve, Foreign Currency Translation Gain (Loss)", "negatedLabel": "Foreign exchange" } } }, "localname": "RestructuringReserveTranslationAdjustment", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuringAccruedRestructuringExpensesChangesinAccruedAmountsandAdditionalRestructuringCostsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RetainedEarningsAccumulatedDeficit": { "auth_ref": [ "r23", "r290", "r387", "r591", "r610", "r615" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 5.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.", "label": "Retained Earnings (Accumulated Deficit)", "terseLabel": "Accumulated deficit" } } }, "localname": "RetainedEarningsAccumulatedDeficit", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_RetainedEarningsMember": { "auth_ref": [ "r119", "r120", "r121", "r124", "r131", "r133", "r197", "r384", "r385", "r386", "r427", "r428", "r606", "r608" ], "lang": { "en-us": { "role": { "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.", "label": "Retained Earnings [Member]", "terseLabel": "Accumulated Deficit" } } }, "localname": "RetainedEarningsMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "domainItemType" }, "us-gaap_RevenueFromContractWithCustomerAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Revenue from Contract with Customer [Abstract]", "terseLabel": "Revenue from Contract with Customer [Abstract]" } } }, "localname": "RevenueFromContractWithCustomerAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax": { "auth_ref": [ "r158", "r159", "r163", "r169", "r170", "r174", "r175", "r178", "r316", "r317", "r554" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS": { "order": 2.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": 1.0 }, "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail": { "order": 1.0, "parentTag": "us-gaap_GrossProfit", "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": "Total", "verboseLabel": "Revenues" } } }, "localname": "RevenueFromContractWithCustomerExcludingAssessedTax", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail", "http://www.comscore.com/role/RevenueRecognitionDisaggregationofRevenueDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RevenueFromContractWithCustomerPolicyTextBlock": { "auth_ref": [ "r106", "r308", "r309", "r310", "r311", "r312", "r313", "r314", "r315", "r328" ], "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": "Revenue Recognition and Cost of Revenues" } } }, "localname": "RevenueFromContractWithCustomerPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_RevenueFromContractWithCustomerTextBlock": { "auth_ref": [ "r298", "r299", "r300", "r301", "r302", "r303", "r306", "r307", "r320", "r328" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.", "label": "Revenue from Contract with Customer [Text Block]", "terseLabel": "Revenue Recognition" } } }, "localname": "RevenueFromContractWithCustomerTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognition" ], "xbrltype": "textBlockItemType" }, "us-gaap_RevenueFromRelatedParties": { "auth_ref": [ "r73", "r617" ], "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": "Revenues" } } }, "localname": "RevenueFromRelatedParties", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSParenthetical", "http://www.comscore.com/role/RelatedPartyTransactionsNarrativeDetails", "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RevenuePerformanceObligationDescriptionOfTiming": { "auth_ref": [ "r299" ], "lang": { "en-us": { "role": { "documentation": "Description of timing for satisfying performance obligation in contract with customer. Includes, but is not limited to, as services are rendered, and upon shipment, delivery or completion of service.", "label": "Revenue, Performance Obligation, Description of Timing", "terseLabel": "Revenue, expected performance obligation period" } } }, "localname": "RevenuePerformanceObligationDescriptionOfTiming", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RevenueRecognitionMilestoneMethodTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Schedule detailing the characteristics of milestone payments recognized under the milestone method by arrangement. For each arrangement that includes a milestone payment, this includes: (1) a description of the overall arrangement; (2) a description of each milestone and related contingent consideration; (3) a determination of whether each milestone is considered substantive; (4) the factors the entity considered in determining whether each milestone or milestones are substantive; and (5) the amount of contingent consideration recognized during the period for each milestone.", "label": "Revenue Recognition, Milestone Method [Table]", "terseLabel": "Revenue Recognition, Milestone Method [Table]" } } }, "localname": "RevenueRecognitionMilestoneMethodTable", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionChangesinContractBalancesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RevenueRecognitionMultipleDeliverableArrangementsLineItems": { "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 Recognition, Multiple-deliverable Arrangements [Line Items]", "terseLabel": "Revenue Recognition, Multiple-deliverable Arrangements [Line Items]" } } }, "localname": "RevenueRecognitionMultipleDeliverableArrangementsLineItems", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionChangesinContractBalancesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RevenueRemainingPerformanceObligation": { "auth_ref": [ "r304" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of transaction price allocated to performance obligation that has not been recognized as revenue.", "label": "Revenue, Remaining Performance Obligation, Amount", "terseLabel": "Revenue, remaining performance obligation" } } }, "localname": "RevenueRemainingPerformanceObligation", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems": { "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, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]", "terseLabel": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]" } } }, "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1": { "auth_ref": [ "r305" ], "lang": { "en-us": { "role": { "documentation": "Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period", "terseLabel": "Revenue, remaining performance obligation, expected timing of satisfaction, period" } } }, "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails" ], "xbrltype": "durationItemType" }, "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis": { "auth_ref": [ "r305" ], "lang": { "en-us": { "role": { "documentation": "Start date of time band for expected timing of satisfaction of remaining performance obligation, in CCYY-MM-DD format.", "label": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]", "terseLabel": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]" } } }, "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of information about expected timing for satisfying remaining performance obligation.", "label": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]", "terseLabel": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]" } } }, "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RevenueRemainingPerformanceObligationPercentage": { "auth_ref": [ "r305" ], "lang": { "en-us": { "role": { "documentation": "Percentage of remaining performance obligation to total remaining performance obligation not recognized as revenue.", "label": "Revenue, Remaining Performance Obligation, Percentage", "terseLabel": "Revenue, remaining performance obligation, percentage" } } }, "localname": "RevenueRemainingPerformanceObligationPercentage", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionTransactionPriceAllocatedtotheRemainingPerformanceObligationsDetails" ], "xbrltype": "percentItemType" }, "us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability": { "auth_ref": [ "r521", "r526" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of increase in right-of-use asset obtained in exchange for finance lease liability.", "label": "Right-of-Use Asset Obtained in Exchange for Finance Lease Liability", "terseLabel": "Right-of-use assets obtained in exchange for new finance lease liabilities" } } }, "localname": "RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesOtherInformationDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability": { "auth_ref": [ "r521", "r526" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of increase in right-of-use asset obtained in exchange for operating lease liability.", "label": "Right-of-Use Asset Obtained in Exchange for Operating Lease Liability", "terseLabel": "Right-of-use assets obtained in exchange for new operating lease liabilities" } } }, "localname": "RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesOtherInformationDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SaleLeasebackTransactionDescriptionAxis": { "auth_ref": [ "r505", "r530" ], "lang": { "en-us": { "role": { "documentation": "Information pertinent to a sale and leaseback transaction, by transaction.", "label": "Sale Leaseback Transaction, Description [Axis]", "terseLabel": "Sale Leaseback Transaction, Description [Axis]" } } }, "localname": "SaleLeasebackTransactionDescriptionAxis", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SaleLeasebackTransactionNameDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The name of the significant provisions of the transaction involving the sale of property to another party and the lease of the property back to the seller.", "label": "Sale Leaseback Transaction, Name [Domain]", "terseLabel": "Sale Leaseback Transaction, Name [Domain]" } } }, "localname": "SaleLeasebackTransactionNameDomain", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "domainItemType" }, "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": "Aggregate gross proceeds from sale" } } }, "localname": "SaleOfStockConsiderationReceivedOnTransaction", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "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 common stock (in shares)" } } }, "localname": "SaleOfStockNumberOfSharesIssuedInTransaction", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_SaleOfStockPricePerShare": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.", "label": "Sale of Stock, Price Per Share", "terseLabel": "Sale price per share (in dollars per share)" } } }, "localname": "SaleOfStockPricePerShare", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock": { "auth_ref": [ "r49" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.", "label": "Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]", "terseLabel": "Allowance for Doubtful Accounts" } } }, "localname": "ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the components of accrued liabilities.", "label": "Schedule of Accrued Liabilities [Table Text Block]", "terseLabel": "Schedule of Accrued Expenses" } } }, "localname": "ScheduleOfAccruedLiabilitiesTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/AccruedExpensesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable": { "auth_ref": [ "r220" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the major classes of acquired finite-lived intangible assets showing the amount, any significant residual value, weighted average amortization period, and other characteristics. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company.", "label": "Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table]", "terseLabel": "Intangible Assets [Table]" } } }, "localname": "ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsWeightedAverageRemainingAmortizationPeriodDetail" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock": { "auth_ref": [ "r220" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company.", "label": "Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block]", "terseLabel": "Carrying Values of Amortizable Acquired Intangible Assets" } } }, "localname": "ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock": { "auth_ref": [ "r141" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.", "label": "Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]", "terseLabel": "Schedule of Common Stock Equivalents for Securities Outstanding Excluded from Earnings Per Share Calculations" } } }, "localname": "ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfCapitalizationLongtermDebtLineItems": { "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": "Schedule of Capitalization, Long-term Debt [Line Items]", "terseLabel": "Schedule of Capitalization, Long-term Debt [Line Items]" } } }, "localname": "ScheduleOfCapitalizationLongtermDebtLineItems", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfCapitalizationLongtermDebtTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Summarization of information required and determined to be disclosed concerning the long-term debt component of the capitalization of the entity. The table may be detailed by subsidiary (legal entity) and include information by type of debt detailed by instrument.", "label": "Schedule of Capitalization, Long-term Debt [Table]", "terseLabel": "Schedule of Capitalization, Long-term Debt [Table]" } } }, "localname": "ScheduleOfCapitalizationLongtermDebtTable", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock": { "auth_ref": [ "r426" ], "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": "Income Tax Provision (Benefit)" } } }, "localname": "ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfDebtInstrumentsTextBlock": { "auth_ref": [ "r43", "r113", "r285", "r287", "r288", "r289", "r499", "r500", "r502", "r584" ], "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 Company's Non-current Debt" } } }, "localname": "ScheduleOfDebtInstrumentsTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock": { "auth_ref": [ "r417" ], "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 Net Deferred Tax Income Taxes" } } }, "localname": "ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock": { "auth_ref": [ "r400" ], "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": "Effective Income Tax Rate Reconciliation" } } }, "localname": "ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock": { "auth_ref": [ "r470", "r471" ], "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": "Schedule of Financial Instruments Measured At Fair Value On Recurring Basis" } } }, "localname": "ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable": { "auth_ref": [ "r220", "r224", "r555" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsNarrativeDetail", "http://www.comscore.com/role/GoodwillandIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetail", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesScheduleofUsefulLivesofFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock": { "auth_ref": [ "r220", "r224" ], "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": "Schedule of Intangible Assets with Finite Lives" } } }, "localname": "ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfGoodwillTextBlock": { "auth_ref": [ "r215", "r217" ], "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": "Carrying Value of Goodwill" } } }, "localname": "ScheduleOfGoodwillTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock": { "auth_ref": [ "r114" ], "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": "Component of (Loss) Income Before Income Tax" } } }, "localname": "ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock": { "auth_ref": [ "r358" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the changes in outstanding nonvested shares.", "label": "Schedule of Nonvested Share Activity [Table Text Block]", "terseLabel": "Unvested Stock Awards" } } }, "localname": "ScheduleOfNonvestedShareActivityTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityTables" ], "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": "Schedule of Other Income (Expense), Net" } } }, "localname": "ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfPropertyPlantAndEquipmentTable": { "auth_ref": [ "r33", "r239" ], "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": "Schedule of Property, Plant and Equipment [Table]" } } }, "localname": "ScheduleOfPropertyPlantAndEquipmentTable", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/PropertyandEquipmentPropertyandEquipmentUnderCapitalLeaseObligationsDetail" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock": { "auth_ref": [ "r143" ], "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]", "verboseLabel": "Schedule of Quarterly Financial Information (Unaudited)" } } }, "localname": "ScheduleOfQuarterlyFinancialInformationTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable": { "auth_ref": [ "r111", "r535", "r537" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/RelatedPartyTransactionsNarrativeDetails", "http://www.comscore.com/role/RelatedPartyTransactionsTransactionwithRelatedPartiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, 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 [Table Text Block]", "terseLabel": "Schedule of Related Party Transactions" } } }, "localname": "ScheduleOfRelatedPartyTransactionsTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RelatedPartyTransactionsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfRestructuringAndRelatedCostsTable": { "auth_ref": [ "r249", "r250", "r253" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/OrganizationalRestructuringAccruedRestructuringExpensesChangesinAccruedAmountsandAdditionalRestructuringCostsDetails", "http://www.comscore.com/role/OrganizationalRestructuringNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfRestructuringReserveByTypeOfCostTextBlock": { "auth_ref": [ "r246", "r255" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of 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. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period.", "label": "Schedule of Restructuring Reserve by Type of Cost [Table Text Block]", "terseLabel": "Schedule of Accrued Restructuring Expenses, Changes in Accrued Amounts and Additional Restructuring Costs" } } }, "localname": "ScheduleOfRestructuringReserveByTypeOfCostTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuringTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock": { "auth_ref": [ "r74", "r177" ], "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 Composition of the Company's Property and Equipment" } } }, "localname": "ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/PropertyandEquipmentTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable": { "auth_ref": [ "r161", "r162", "r167", "r215" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/PropertyandEquipmentScheduleofCompositionoftheCompanysPropertyandEquipmentDetail" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable": { "auth_ref": [ "r345", "r378" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityWeightedAverageAssumptionsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable": { "auth_ref": [ "r378" ], "lang": { "en-us": { "role": { "documentation": "Details comprising a table providing supplementary information on outstanding and exercisable share awards as of the balance sheet date which stratifies outstanding options by ranges of exercise prices.", "label": "Share-based Payment Arrangement, Option, Exercise Price Range [Table]", "terseLabel": "Share-based Payment Arrangement, Option, Exercise Price Range [Table]" } } }, "localname": "ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityExercisePriceRangeDetails", "http://www.comscore.com/role/StockholdersEquityNonvestedStockAwardsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock": { "auth_ref": [ "r378" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.", "label": "Share-based Payment Arrangement, Option, Exercise Price Range [Table Text Block]", "terseLabel": "Options Outstanding Range of Exercise Prices" } } }, "localname": "ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock": { "auth_ref": [ "r351", "r364", "r366" ], "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 Options Activity" } } }, "localname": "ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock": { "auth_ref": [ "r370" ], "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 Valuation Assumptions for Stock Options" } } }, "localname": "ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock": { "auth_ref": [ "r293", "r343" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.", "label": "Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]", "terseLabel": "Schedule of Fair Value of Warrants" } } }, "localname": "ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock": { "auth_ref": [ "r224" ], "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 Future Amortization of Acquired Intangible Assets" } } }, "localname": "ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsTables" ], "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 Reporting Information [Line Items]" } } }, "localname": "SegmentReportingInformationLineItems", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/PropertyandEquipmentScheduleofCompositionoftheCompanysPropertyandEquipmentDetail" ], "xbrltype": "stringItemType" }, "us-gaap_SegmentReportingInformationRevenueAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Segment Reporting Information, Revenue for Reportable Segment [Abstract]", "terseLabel": "Segment Reporting Information, Revenue for Reportable Segment [Abstract]" } } }, "localname": "SegmentReportingInformationRevenueAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_SellingAndMarketingExpense": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS": { "order": 2.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 }, "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail": { "order": 1.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The aggregate total amount of expenses directly related to the marketing or selling of products or services.", "label": "Selling and Marketing Expense", "terseLabel": "Selling and marketing", "verboseLabel": "Selling and marketing" } } }, "localname": "SellingAndMarketingExpense", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_SellingAndMarketingExpenseMember": { "auth_ref": [ "r69" ], "lang": { "en-us": { "role": { "documentation": "Primary financial statement caption encompassing selling and marketing expense.", "label": "Selling and Marketing Expense [Member]", "terseLabel": "Selling and marketing" } } }, "localname": "SellingAndMarketingExpenseMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSParenthetical", "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "domainItemType" }, "us-gaap_SettledLitigationMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Agreement reached between parties in a litigation that occurs without judicial intervention, supervision or approval.", "label": "Settled Litigation [Member]", "terseLabel": "Settled Litigation" } } }, "localname": "SettledLitigationMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CommitmentsandContingenciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SeveranceCosts1": { "auth_ref": [ "r96", "r244", "r251", "r256" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.", "label": "Severance Costs", "verboseLabel": "Stock-based compensation" } } }, "localname": "SeveranceCosts1", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuringAccruedRestructuringExpensesChangesinAccruedAmountsandAdditionalRestructuringCostsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShareBasedCompensation": { "auth_ref": [ "r95" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 8.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShareBasedCompensationAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Share-based Payment Arrangement, Noncash Expense [Abstract]", "terseLabel": "Share-based Payment Arrangement, Noncash Expense [Abstract]" } } }, "localname": "ShareBasedCompensationAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1": { "auth_ref": [ "r346" ], "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": "Vesting period of equity awards (in years)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "durationItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod": { "auth_ref": [ "r356" ], "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", "negatedTerseLabel": "Forfeited (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNonvestedStockAwardsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue": { "auth_ref": [ "r362" ], "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": "Forfeited (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNonvestedStockAwardsDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod": { "auth_ref": [ "r360" ], "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)", "verboseLabel": "Awards granted (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityNonvestedStockAwardsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue": { "auth_ref": [ "r360" ], "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": "Granted (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNonvestedStockAwardsDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber": { "auth_ref": [ "r359" ], "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": "Unvested as of end of period (in shares)", "periodStartLabel": "Unvested as of beginning of period (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNonvestedStockAwardsDetails" ], "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": "Unvested Stock Awards" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNonvestedStockAwardsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue": { "auth_ref": [ "r359" ], "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": "Unvested at end of period (in dollars per share)", "periodStartLabel": "Unvested at beginning of period (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNonvestedStockAwardsDetails" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNonvestedStockAwardsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod": { "auth_ref": [ "r361" ], "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)", "terseLabel": "Vested and delivered stock awards shares (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityNonvestedStockAwardsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue": { "auth_ref": [ "r361" ], "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": "Vested (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNonvestedStockAwardsDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate": { "auth_ref": [ "r373" ], "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": "Dividend yield" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityWeightedAverageAssumptionsDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate": { "auth_ref": [ "r372" ], "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" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityWeightedAverageAssumptionsDetails" ], "xbrltype": "percentItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate": { "auth_ref": [ "r374" ], "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" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityWeightedAverageAssumptionsDetails" ], "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": "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityWeightedAverageAssumptionsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized": { "auth_ref": [ "r348" ], "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": "Number of shares authorized (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber": { "auth_ref": [ "r354" ], "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 (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityStockOptionActivityDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice": { "auth_ref": [ "r354" ], "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": "Options exercisable (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityStockOptionActivityDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue": { "auth_ref": [ "r365" ], "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 options exercised" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod": { "auth_ref": [ "r357" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityStockOptionActivityDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod": { "auth_ref": [ "r356" ], "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", "negatedTerseLabel": "Options forfeited (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityStockOptionActivityDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Gross 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, Gross", "terseLabel": "Options granted (in shares)", "verboseLabel": "Awards granted (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityStockOptionActivityDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue": { "auth_ref": [ "r378" ], "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", "verboseLabel": "Aggregate intrinsic value of options outstanding" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber": { "auth_ref": [ "r353", "r378" ], "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, ending balance (in shares)", "periodStartLabel": "Options outstanding, beginning balance (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityStockOptionActivityDetails" ], "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": "Number of shares" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityStockOptionActivityDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice": { "auth_ref": [ "r352" ], "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": "Options outstanding, ending balance (in dollars per share)", "periodStartLabel": "Options outstanding, beginning balance (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityStockOptionActivityDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]", "terseLabel": "Weighted-Average Exercise Price" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityStockOptionActivityDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain": { "auth_ref": [ "r343", "r349" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityNonvestedStockAwardsDetails", "http://www.comscore.com/role/StockholdersEquityWeightedAverageAssumptionsDetails" ], "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": "Options exercised (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityStockOptionActivityDetails" ], "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": "Options expired (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityStockOptionActivityDetails" ], "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": "Options forfeited (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityStockOptionActivityDetails" ], "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": "Options granted (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityStockOptionActivityDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy": { "auth_ref": [ "r105", "r345", "r350" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for award under share-based payment arrangement. Includes, but is not limited to, methodology and assumption used in measuring cost.", "label": "Share-based Payment Arrangement [Policy Text Block]", "terseLabel": "Stock-Based Compensation" } } }, "localname": "ShareBasedCompensationOptionAndIncentivePlansPolicy", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis": { "auth_ref": [ "r369" ], "lang": { "en-us": { "role": { "documentation": "Information by range of option prices pertaining to options granted.", "label": "Exercise Price Range [Axis]", "terseLabel": "Exercise Price Range [Axis]" } } }, "localname": "ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityExercisePriceRangeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain": { "auth_ref": [ "r375" ], "lang": { "en-us": { "role": { "documentation": "Supplementary information on outstanding and exercisable share awards as of the balance sheet date which stratifies outstanding options by ranges of exercise prices.", "label": "Exercise Price Range [Domain]", "terseLabel": "Exercise Price Range [Domain]" } } }, "localname": "ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityExercisePriceRangeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems": { "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 Payment Arrangement, Option, Exercise Price Range [Line Items]", "terseLabel": "Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]" } } }, "localname": "ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityExercisePriceRangeDetails", "http://www.comscore.com/role/StockholdersEquityNonvestedStockAwardsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit": { "auth_ref": [ "r375" ], "lang": { "en-us": { "role": { "documentation": "The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.", "label": "Share-based Payment Arrangement, Option, Exercise Price Range, Lower Range Limit", "terseLabel": "Lower range (in dollars per share)" } } }, "localname": "ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityExercisePriceRangeDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions": { "auth_ref": [ "r363" ], "lang": { "en-us": { "role": { "documentation": "The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.", "label": "Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable", "terseLabel": "Options Exercisable (in shares)" } } }, "localname": "ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityExercisePriceRangeDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions": { "auth_ref": [ "r353" ], "lang": { "en-us": { "role": { "documentation": "The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.", "label": "Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding", "terseLabel": "Options Outstanding (in shares)" } } }, "localname": "ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityExercisePriceRangeDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit": { "auth_ref": [ "r375" ], "lang": { "en-us": { "role": { "documentation": "The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.", "label": "Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit", "terseLabel": "Upper range (in dollars per share)" } } }, "localname": "ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityExercisePriceRangeDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_SharePrice": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Price of a single share of a number of saleable stocks of a company.", "label": "Share Price", "verboseLabel": "Share price (in dollars per share)" } } }, "localname": "SharePrice", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod": { "auth_ref": [ "r347" ], "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": "Plan term (in years)" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "durationItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1": { "auth_ref": [ "r371", "r388" ], "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 options (in years)" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityWeightedAverageAssumptionsDetails" ], "xbrltype": "durationItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1": { "auth_ref": [ "r378" ], "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 of options exercisable" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1": { "auth_ref": [ "r354" ], "lang": { "en-us": { "role": { "documentation": "Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.", "label": "Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price", "terseLabel": "Weighted Average Exercise Price (in dollars per share)" } } }, "localname": "SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityExercisePriceRangeDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2": { "auth_ref": [ "r368" ], "lang": { "en-us": { "role": { "documentation": "Weighted average remaining contractual term of exercisable stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term", "terseLabel": "Weighted Average Remaining Contractual Life (Years)" } } }, "localname": "SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityExercisePriceRangeDetails" ], "xbrltype": "durationItemType" }, "us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1": { "auth_ref": [ "r353" ], "lang": { "en-us": { "role": { "documentation": "The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.", "label": "Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price", "terseLabel": "Weighted Average Exercise Price (in dollars per share)" } } }, "localname": "SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityExercisePriceRangeDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2": { "auth_ref": [ "r367" ], "lang": { "en-us": { "role": { "documentation": "Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term", "terseLabel": "Weighted Average Remaining Contractual Life (Years)" } } }, "localname": "SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityExercisePriceRangeDetails" ], "xbrltype": "durationItemType" }, "us-gaap_SharesIssued": { "auth_ref": [ "r284" ], "lang": { "en-us": { "role": { "documentation": "Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.", "label": "Shares, Issued", "periodEndLabel": "Ending balance (in shares)", "periodStartLabel": "Beginning balance (in shares)" } } }, "localname": "SharesIssued", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "sharesItemType" }, "us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.", "label": "Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation", "negatedLabel": "Payments for taxes related to net share settlement of equity awards (in shares)" } } }, "localname": "SharesPaidForTaxWithholdingForShareBasedCompensation", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "sharesItemType" }, "us-gaap_ShortTermLeaseCost": { "auth_ref": [ "r517", "r526" ], "calculation": { "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails": { "order": 2.0, "parentTag": "us-gaap_OperatingLeaseCost", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of short-term lease cost, excluding expense for lease with term of one month or less.", "label": "Short-term Lease, Cost", "terseLabel": "Short-term lease cost" } } }, "localname": "ShortTermLeaseCost", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SignificantAccountingPoliciesTextBlock": { "auth_ref": [ "r118" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_SoftwareAndSoftwareDevelopmentCostsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Purchased software applications and internally developed software for sale, licensing or long-term internal use.", "label": "Software and Software Development Costs [Member]", "terseLabel": "Computer software" } } }, "localname": "SoftwareAndSoftwareDevelopmentCostsMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/PropertyandEquipmentPropertyandEquipmentUnderCapitalLeaseObligationsDetail", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SoftwareDevelopmentMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Internally developed software for sale, licensing or long-term internal use.", "label": "Software Development [Member]", "terseLabel": "Software license arrangements" } } }, "localname": "SoftwareDevelopmentMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/PropertyandEquipmentPropertyandEquipmentUnderCapitalLeaseObligationsDetail" ], "xbrltype": "domainItemType" }, "us-gaap_StateAndLocalJurisdictionMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Designated tax department of a state or local government entitled to levy and collect income taxes from the entity.", "label": "State and Local Jurisdiction [Member]", "terseLabel": "State" } } }, "localname": "StateAndLocalJurisdictionMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_StatementClassOfStockAxis": { "auth_ref": [ "r18", "r19", "r20", "r107", "r109", "r134", "r135", "r136", "r138", "r140", "r146", "r147", "r148", "r193", "r284", "r485" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_StatementEquityComponentsAxis": { "auth_ref": [ "r47", "r119", "r120", "r121", "r124", "r131", "r133", "r145", "r197", "r284", "r290", "r384", "r385", "r386", "r427", "r428", "r491", "r492", "r493", "r494", "r495", "r496", "r606", "r607", "r608" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSParenthetical", "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSParenthetical", "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "stringItemType" }, "us-gaap_StatementOfCashFlowsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Statement of Cash Flows [Abstract]", "terseLabel": "Impact on Consolidated Statement of Cash Flows" } } }, "localname": "StatementOfCashFlowsAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementOfFinancialPositionAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Statement of Financial Position [Abstract]", "terseLabel": "Statement of Financial Position [Abstract]" } } }, "localname": "StatementOfFinancialPositionAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementOfStockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Statement of Stockholders' Equity [Abstract]", "terseLabel": "Statement of Stockholders' Equity [Abstract]" } } }, "localname": "StatementOfStockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementTable": { "auth_ref": [ "r119", "r120", "r121", "r145", "r554" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSParenthetical", "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical", "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSParenthetical", "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "stringItemType" }, "us-gaap_StockCompensationPlanMember": { "auth_ref": [ "r141" ], "lang": { "en-us": { "role": { "documentation": "Share-based payment arrangement in which award of equity shares are granted. Arrangement includes, but is not limited to, grantor incurring liability for product and service based on price of its shares.", "label": "Share-based Payment Arrangement [Member]", "terseLabel": "Pending equity awards" } } }, "localname": "StockCompensationPlanMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_StockIssued1": { "auth_ref": [ "r101", "r102", "r103" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The fair value of stock issued in noncash financing activities.", "label": "Stock Issued", "terseLabel": "Common Stock warrants issued with senior secured convertible notes" } } }, "localname": "StockIssued1", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockIssuedDuringPeriodSharesNewIssues": { "auth_ref": [ "r19", "r20", "r284", "r290" ], "lang": { "en-us": { "role": { "documentation": "Number of new stock issued during the period.", "label": "Stock Issued During Period, Shares, New Issues", "terseLabel": "Issuance of Common Stock (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesNewIssues", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised": { "auth_ref": [ "r19", "r20", "r284", "r290", "r355" ], "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)", "terseLabel": "Exercise of Common Stock options, net (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesStockOptionsExercised", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY", "http://www.comscore.com/role/StockholdersEquityStockOptionActivityDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodValueNewIssues": { "auth_ref": [ "r19", "r20", "r284", "r290" ], "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 Common Stock - CVI" } } }, "localname": "StockIssuedDuringPeriodValueNewIssues", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised": { "auth_ref": [ "r47", "r284", "r290" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Value of stock issued as a result of the exercise of stock options.", "label": "Stock Issued During Period, Value, Stock Options Exercised", "terseLabel": "Exercise of Common Stock options, net" } } }, "localname": "StockIssuedDuringPeriodValueStockOptionsExercised", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockholdersEquity": { "auth_ref": [ "r20", "r25", "r26", "r109", "r188", "r193", "r485" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 2.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "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", "periodEndLabel": "Ending balance", "periodStartLabel": "Beginning balance", "totalLabel": "Total stockholders' equity" } } }, "localname": "StockholdersEquity", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Stockholders' Equity Attributable to Parent [Abstract]", "terseLabel": "Stockholders' equity:" } } }, "localname": "StockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_StockholdersEquityNoteAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Stockholders' Equity Note [Abstract]", "terseLabel": "Stockholders' Equity Note [Abstract]" } } }, "localname": "StockholdersEquityNoteAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_StockholdersEquityNoteDisclosureTextBlock": { "auth_ref": [ "r108", "r290", "r294" ], "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" } } }, "localname": "StockholdersEquityNoteDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquity" ], "xbrltype": "textBlockItemType" }, "us-gaap_SubleaseIncome": { "auth_ref": [ "r519", "r526" ], "calculation": { "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails": { "order": 4.0, "parentTag": "us-gaap_OperatingLeaseCost", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of sublease income excluding finance and operating lease expense.", "label": "Sublease Income", "negatedTerseLabel": "Sublease income" } } }, "localname": "SubleaseIncome", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails" ], "xbrltype": "monetaryItemType" }, "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventMember": { "auth_ref": [ "r497", "r541" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SubsequentEventTable": { "auth_ref": [ "r497", "r541" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventTypeAxis": { "auth_ref": [ "r497", "r541" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventTypeDomain": { "auth_ref": [ "r497", "r541" ], "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/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SubsequentEventsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Subsequent Events [Abstract]", "terseLabel": "Subsequent Events [Abstract]" } } }, "localname": "SubsequentEventsAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventsTextBlock": { "auth_ref": [ "r540", "r543" ], "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/2020-01-31", "presentation": [ "http://www.comscore.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/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SummaryOfIncomeTaxContingenciesTextBlock": { "auth_ref": [ "r403", "r411", "r413" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure for tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities and other income tax contingencies. Includes, but is not limited to, interest and penalties, reconciliation of unrecognized tax benefits, unrecognized tax benefits that would affect the effective tax rate, tax years that remain subject to examination by tax jurisdictions, and information about positions for which it is reasonably possible that amounts unrecognized will significantly change within 12 months.", "label": "Summary of Income Tax Contingencies [Table Text Block]", "terseLabel": "Unrecognized Income Tax Benefits" } } }, "localname": "SummaryOfIncomeTaxContingenciesTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_SupplementalCashFlowInformationAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Supplemental Cash Flow Information [Abstract]", "terseLabel": "Supplemental cash flow disclosures:" } } }, "localname": "SupplementalCashFlowInformationAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" ], "xbrltype": "stringItemType" }, "us-gaap_TaxCreditCarryforwardAmount": { "auth_ref": [ "r420" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.", "label": "Tax Credit Carryforward, Amount", "terseLabel": "Tax credit carryforward" } } }, "localname": "TaxCreditCarryforwardAmount", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_TaxCreditCarryforwardAxis": { "auth_ref": [ "r421" ], "lang": { "en-us": { "role": { "documentation": "Information by specific tax credit related to an unused tax credit.", "label": "Tax Credit Carryforward [Axis]", "terseLabel": "Tax Credit Carryforward [Axis]" } } }, "localname": "TaxCreditCarryforwardAxis", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_TaxCreditCarryforwardNameDomain": { "auth_ref": [ "r421" ], "lang": { "en-us": { "role": { "documentation": "The name of the tax credit carryforward.", "label": "Tax Credit Carryforward, Name [Domain]", "terseLabel": "Tax Credit Carryforward, Name [Domain]" } } }, "localname": "TaxCreditCarryforwardNameDomain", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_TimingOfTransferOfGoodOrServiceAxis": { "auth_ref": [ "r317", "r326" ], "lang": { "en-us": { "role": { "documentation": "Information by timing of transfer of good or service to customer.", "label": "Timing of Transfer of Good or Service [Axis]", "terseLabel": "Timing of Transfer of Good or Service [Axis]" } } }, "localname": "TimingOfTransferOfGoodOrServiceAxis", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionDisaggregationofRevenueDetails", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_TimingOfTransferOfGoodOrServiceDomain": { "auth_ref": [ "r317", "r326" ], "lang": { "en-us": { "role": { "documentation": "Timing of transfer of good or service to customer. Includes, but is not limited to, at point in time or over time.", "label": "Timing of Transfer of Good or Service [Domain]", "terseLabel": "Timing of Transfer of Good or Service [Domain]" } } }, "localname": "TimingOfTransferOfGoodOrServiceDomain", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionDisaggregationofRevenueDetails", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_TradeAndOtherAccountsReceivablePolicy": { "auth_ref": [ "r182", "r183", "r184", "r185", "r187", "r189" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for accounts receivable.", "label": "Accounts Receivable [Policy Text Block]", "terseLabel": "Allowance for Doubtful Accounts" } } }, "localname": "TradeAndOtherAccountsReceivablePolicy", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_TradeNamesMember": { "auth_ref": [ "r441" ], "lang": { "en-us": { "role": { "documentation": "Rights acquired through registration of a business name to gain or protect exclusive use thereof.", "label": "Trade Names [Member]", "terseLabel": "Trade Names" } } }, "localname": "TradeNamesMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/GoodwillandIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetail", "http://www.comscore.com/role/GoodwillandIntangibleAssetsWeightedAverageRemainingAmortizationPeriodDetail", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesScheduleofUsefulLivesofFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_TransferredAtPointInTimeMember": { "auth_ref": [ "r326" ], "lang": { "en-us": { "role": { "documentation": "Contract with customer in which good or service is transferred at point in time.", "label": "Transferred at Point in Time [Member]", "verboseLabel": "Products and services transferred at a point in time" } } }, "localname": "TransferredAtPointInTimeMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionDisaggregationofRevenueDetails" ], "xbrltype": "domainItemType" }, "us-gaap_TransferredOverTimeMember": { "auth_ref": [ "r326" ], "lang": { "en-us": { "role": { "documentation": "Contract with customer in which good or service is transferred over time.", "label": "Transferred over Time [Member]", "terseLabel": "Products and services transferred over time", "verboseLabel": "Products and services transferred over time" } } }, "localname": "TransferredOverTimeMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/RevenueRecognitionDisaggregationofRevenueDetails", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_TreasuryStockMember": { "auth_ref": [ "r46", "r291" ], "lang": { "en-us": { "role": { "documentation": "Shares of an entity that have been repurchased by the entity. This stock has no voting rights and receives no dividends. Note that treasury stock may be recorded at its total cost or separately as par (or stated) value and additional paid in capital. Classified within stockholders' equity if nonredeemable or redeemable solely at the option of the issuer. Classified within temporary equity if redemption is outside the control of the issuer.", "label": "Treasury Stock [Member]", "terseLabel": "Treasury stock, at cost" } } }, "localname": "TreasuryStockMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "domainItemType" }, "us-gaap_TreasuryStockShares": { "auth_ref": [ "r46", "r291" ], "lang": { "en-us": { "role": { "documentation": "Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.", "label": "Treasury Stock, Shares", "terseLabel": "Treasury stock, at cost (in shares)" } } }, "localname": "TreasuryStockShares", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_TreasuryStockSharesAcquired": { "auth_ref": [ "r20", "r284", "r290" ], "lang": { "en-us": { "role": { "documentation": "Number of shares that have been repurchased during the period and are being held in treasury.", "label": "Treasury Stock, Shares, Acquired", "negatedLabel": "Repurchase of Common Stock in exchange for senior secured convertible notes (in shares)" } } }, "localname": "TreasuryStockSharesAcquired", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "sharesItemType" }, "us-gaap_TreasuryStockValue": { "auth_ref": [ "r46", "r291", "r292" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 6.0, "parentTag": "us-gaap_StockholdersEquity", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.", "label": "Treasury Stock, Value", "negatedTerseLabel": "Treasury stock, at cost, and 6,764,796 shares as of December\u00a031, 2020 and 2019" } } }, "localname": "TreasuryStockValue", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS" ], "xbrltype": "monetaryItemType" }, "us-gaap_TreasuryStockValueAcquiredCostMethod": { "auth_ref": [ "r284", "r290", "r291" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.", "label": "Treasury Stock, Value, Acquired, Cost Method", "negatedTerseLabel": "Repurchase of Common Stock in exchange for senior secured convertible notes" } } }, "localname": "TreasuryStockValueAcquiredCostMethod", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" ], "xbrltype": "monetaryItemType" }, "us-gaap_TypeOfRestructuringDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Identification of the types of restructuring costs.", "label": "Type of Restructuring [Domain]", "terseLabel": "Type of Restructuring [Domain]" } } }, "localname": "TypeOfRestructuringDomain", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/OrganizationalRestructuringAccruedRestructuringExpensesChangesinAccruedAmountsandAdditionalRestructuringCostsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_UnrealizedGainLossOnDerivativesAndCommodityContracts": { "auth_ref": [ "r96" ], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS": { "order": 10.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 }, "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesOtherIncomeExpenseNetDetails": { "order": 5.0, "parentTag": "us-gaap_OtherNonoperatingIncomeExpense", "weight": 1.0 } }, "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 open derivatives, commodity, or energy contracts, held at each balance sheet date, that was included in earnings for the period.", "label": "Unrealized Gain (Loss) on Derivatives and Commodity Contracts", "negatedTerseLabel": "Change in fair value of financing derivatives", "terseLabel": "Change in fair value of financing derivatives" } } }, "localname": "UnrealizedGainLossOnDerivativesAndCommodityContracts", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesOtherIncomeExpenseNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefits": { "auth_ref": [ "r394", "r406" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of unrecognized tax benefits.", "label": "Unrecognized Tax Benefits", "periodEndLabel": "Ending balance", "periodStartLabel": "Beginning balance" } } }, "localname": "UnrecognizedTaxBenefits", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesUnrecognizedIncomeTaxBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions": { "auth_ref": [ "r407" ], "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", "negatedTerseLabel": "Decrease related to tax positions of prior years" } } }, "localname": "UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesUnrecognizedIncomeTaxBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued": { "auth_ref": [ "r402" ], "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": "Unrecognized tax benefits, accrued interest and penalties" } } }, "localname": "UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense": { "auth_ref": [ "r402" ], "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", "terseLabel": "Liabilities for unrecognized tax benefit" } } }, "localname": "UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions": { "auth_ref": [ "r408" ], "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": "Increase related to tax positions of the current year" } } }, "localname": "UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesUnrecognizedIncomeTaxBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions": { "auth_ref": [ "r407" ], "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": "Increase related to tax positions of prior years" } } }, "localname": "UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesUnrecognizedIncomeTaxBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations": { "auth_ref": [ "r409" ], "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", "negatedTerseLabel": "Decrease due to lapse in statutes of limitations" } } }, "localname": "UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesUnrecognizedIncomeTaxBenefitsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate": { "auth_ref": [ "r410" ], "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 affect the effective tax rate" } } }, "localname": "UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UseOfEstimates": { "auth_ref": [ "r149", "r150", "r152", "r153", "r154", "r155", "r156" ], "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 and Judgments in the Preparation of the Consolidated Financial Statements" } } }, "localname": "UseOfEstimates", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount": { "auth_ref": [ "r417" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.", "label": "Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount", "terseLabel": "Increase in valuation allowance" } } }, "localname": "ValuationAllowanceDeferredTaxAssetChangeInAmount", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ValuationTechniqueAxis": { "auth_ref": [ "r473" ], "lang": { "en-us": { "role": { "documentation": "Information by valuation approach and technique.", "label": "Valuation Approach and Technique [Axis]", "terseLabel": "Valuation Approach and Technique [Axis]" } } }, "localname": "ValuationTechniqueAxis", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ValuationTechniqueDiscountedCashFlowMember": { "auth_ref": [ "r473" ], "lang": { "en-us": { "role": { "documentation": "Valuation technique calculating present value of future cash flows.", "label": "Valuation Technique, Discounted Cash Flow [Member]", "terseLabel": "Discounted cash flow", "verboseLabel": "Discounted Cash Flow Model" } } }, "localname": "ValuationTechniqueDiscountedCashFlowMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ValuationTechniqueDomain": { "auth_ref": [ "r473" ], "lang": { "en-us": { "role": { "documentation": "Valuation approach and technique.", "label": "Valuation Approach and Technique [Domain]", "terseLabel": "Valuation Approach and Technique [Domain]" } } }, "localname": "ValuationTechniqueDomain", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/DebtNarrativeDetails", "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails", "http://www.comscore.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_VariableLeaseCost": { "auth_ref": [ "r518", "r526" ], "calculation": { "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails": { "order": 3.0, "parentTag": "us-gaap_OperatingLeaseCost", "weight": 1.0 } }, "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 cost" } } }, "localname": "VariableLeaseCost", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/LeasesFinanceAndOperatingLeaseCostDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_WarrantMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Security that gives the holder the right to purchase shares of stock in accordance with the terms of the instrument, usually upon payment of a specified amount.", "label": "Warrant [Member]", "terseLabel": "Warrants Liability" } } }, "localname": "WarrantMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsReconciliationofLevel3FairValuedInstrumentsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_WarrantsAndRightsOutstanding": { "auth_ref": [], "calculation": { "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS": { "order": 7.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.", "label": "Warrants and Rights Outstanding", "terseLabel": "Warrants liability", "verboseLabel": "Warrants issued" } } }, "localname": "WarrantsAndRightsOutstanding", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDBALANCESHEETS", "http://www.comscore.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredonRecurringBasisDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails", "http://www.comscore.com/role/StockholdersEquityScheduleofFairValueofWarrantsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_WarrantsAndRightsOutstandingMeasurementInput": { "auth_ref": [ "r475" ], "lang": { "en-us": { "role": { "documentation": "Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur.", "label": "Warrants and Rights Outstanding, Measurement Input", "terseLabel": "Measurement input", "verboseLabel": "Warrants liability, measurement input" } } }, "localname": "WarrantsAndRightsOutstandingMeasurementInput", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/FairValueMeasurementsValuationTechniquesofLevel3LiabilitiesDetails", "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "decimalItemType" }, "us-gaap_WarrantsAndRightsOutstandingTerm": { "auth_ref": [ "r475" ], "lang": { "en-us": { "role": { "documentation": "Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Warrants and Rights Outstanding, Term", "terseLabel": "Term of warrant" } } }, "localname": "WarrantsAndRightsOutstandingTerm", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/StockholdersEquityNarrativeDetails" ], "xbrltype": "durationItemType" }, "us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).", "label": "Weighted Average Number of Shares Outstanding, Basic and Diluted", "terseLabel": "Basic and diluted (in shares)" } } }, "localname": "WeightedAverageNumberOfShareOutstandingBasicAndDiluted", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS", "http://www.comscore.com/role/QuarterlyFinancialInformationUnauditedDetail" ], "xbrltype": "sharesItemType" }, "us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Weighted Average Number of Shares Outstanding, Diluted [Abstract]", "terseLabel": "Weighted-average number of shares used in per share calculation - Common Stock:" } } }, "localname": "WeightedAverageNumberOfSharesOutstandingAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.comscore.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS" ], "xbrltype": "stringItemType" } }, "unitCount": 14 } }, "std_ref": { "r0": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=6359566&loc=d3e326-107755" }, "r1": { "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" }, "r10": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=121566466&loc=d3e7018-107765" }, "r100": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121583591&loc=d3e4297-108586" }, "r101": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121583591&loc=d3e4304-108586" }, "r102": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121583591&loc=d3e4313-108586" }, "r103": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121583591&loc=d3e4332-108586" }, "r104": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121583591&loc=SL98516268-108586" }, "r105": { "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" }, "r106": { "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" }, "r107": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(d))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690" }, "r108": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(e)(1))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690" }, "r109": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(g)(1)(ii))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690" }, "r11": { "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=120391452&loc=d3e13212-122682" }, "r110": { "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=120395691&loc=d3e23780-122690" }, "r111": { "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=120395691&loc=d3e23780-122690" }, "r112": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(m)(1)(iii))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690" }, "r113": { "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=120395691&loc=d3e23780-122690" }, "r114": { "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=120395691&loc=d3e23780-122690" }, "r115": { "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=120395691&loc=d3e23780-122690" }, "r116": { "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=120395691&loc=d3e23780-122690" }, "r117": { "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=120395691&loc=d3e23780-122690" }, "r118": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "235", "URI": "http://asc.fasb.org/topic&trid=2122369" }, "r119": { "Name": "Accounting Standards Codification", "Paragraph": "23", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=115929471&loc=d3e21914-107793" }, "r12": { "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=120391452&loc=d3e13212-122682" }, "r120": { "Name": "Accounting Standards Codification", "Paragraph": "24", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=115929471&loc=d3e21930-107793" }, "r121": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=115929471&loc=d3e21711-107793" }, "r122": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=115929471&loc=d3e21728-107793" }, "r123": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)(2)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794" }, "r124": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)(3)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794" }, "r125": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)(4)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794" }, "r126": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794" }, "r127": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794" }, "r128": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794" }, "r129": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22583-107794" }, "r13": { "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=120391452&loc=d3e13212-122682" }, "r130": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22595-107794" }, "r131": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22644-107794" }, "r132": { "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" }, "r133": { "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" }, "r134": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=121326447&loc=d3e1252-109256" }, "r135": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=121326447&loc=d3e1278-109256" }, "r136": { "Name": "Accounting Standards Codification", "Paragraph": "55", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=121326447&loc=d3e2626-109256" }, "r137": { "Name": "Accounting Standards Codification", "Paragraph": "60B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=121326447&loc=SL5780133-109256" }, "r138": { "Name": "Accounting Standards Codification", "Paragraph": "60B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=121326447&loc=SL5780133-109256" }, "r139": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=121326447&loc=d3e1337-109256" }, "r14": { "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=120391452&loc=d3e13212-122682" }, "r140": { "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" }, "r141": { "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" }, "r142": { "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" }, "r143": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "270", "URI": "http://asc.fasb.org/extlink&oid=121640914&loc=d3e1280-108306" }, "r144": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "270", "URI": "http://asc.fasb.org/topic&trid=2126967" }, "r145": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "272", "URI": "http://asc.fasb.org/extlink&oid=6828210&loc=d3e70191-108054" }, "r146": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "272", "URI": "http://asc.fasb.org/extlink&oid=6828210&loc=d3e70229-108054" }, "r147": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "272", "URI": "http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055" }, "r148": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "272", "URI": "http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055" }, "r149": { "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" }, "r15": { "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=120391452&loc=d3e13212-122682" }, "r150": { "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" }, "r151": { "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" }, "r152": { "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" }, "r153": { "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" }, "r154": { "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" }, "r155": { "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" }, "r156": { "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" }, "r157": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8672-108599" }, "r158": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599" }, "r159": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599" }, "r16": { "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=120391452&loc=d3e13212-122682" }, "r160": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599" }, "r161": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599" }, "r162": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8813-108599" }, "r163": { "Name": "Accounting Standards Codification", "Paragraph": "30", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599" }, "r164": { "Name": "Accounting Standards Codification", "Paragraph": "30", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599" }, "r165": { "Name": "Accounting Standards Codification", "Paragraph": "30", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599" }, "r166": { "Name": "Accounting Standards Codification", "Paragraph": "30", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599" }, "r167": { "Name": "Accounting Standards Codification", "Paragraph": "30", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599" }, "r168": { "Name": "Accounting Standards Codification", "Paragraph": "31", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8924-108599" }, "r169": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599" }, "r17": { "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=120391452&loc=d3e13212-122682" }, "r170": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599" }, "r171": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599" }, "r172": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599" }, "r173": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599" }, "r174": { "Name": "Accounting Standards Codification", "Paragraph": "40", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599" }, "r175": { "Name": "Accounting Standards Codification", "Paragraph": "41", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599" }, "r176": { "Name": "Accounting Standards Codification", "Paragraph": "41", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599" }, "r177": { "Name": "Accounting Standards Codification", "Paragraph": "41", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599" }, "r178": { "Name": "Accounting Standards Codification", "Paragraph": "42", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599" }, "r179": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=121593590&loc=d3e4647-111522" }, "r18": { "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=120391452&loc=d3e13212-122682" }, "r180": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522" }, "r181": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=121593590&loc=d3e4531-111522" }, "r182": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=121611835&loc=d3e4975-111524" }, "r183": { "Name": "Accounting Standards Codification", "Paragraph": "11B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524" }, "r184": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=121611835&loc=d3e5212-111524" }, "r185": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=121611835&loc=d3e5033-111524" }, "r186": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=121611835&loc=d3e5074-111524" }, "r187": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=121611835&loc=d3e5093-111524" }, "r188": { "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" }, "r189": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=84159169&loc=d3e10133-111534" }, "r19": { "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=120391452&loc=d3e13212-122682" }, "r190": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=121553693&loc=d3e26853-111562" }, "r191": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "321", "URI": "http://asc.fasb.org/extlink&oid=120269885&loc=SL75117539-209714" }, "r192": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "321", "URI": "http://asc.fasb.org/extlink&oid=120269885&loc=SL75117546-209714" }, "r193": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "323", "URI": "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571" }, "r194": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437" }, "r195": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437" }, "r196": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437" }, "r197": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437" }, "r198": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(e)(3)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437" }, "r199": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(e)(4)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437" }, "r2": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "205", "URI": "http://asc.fasb.org/topic&trid=2122149" }, "r20": { "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=120391452&loc=d3e13212-122682" }, "r200": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=121599878&loc=SL82895884-210446" }, "r201": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447" }, "r202": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447" }, "r203": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447" }, "r204": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(e)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447" }, "r205": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(f)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447" }, "r206": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Subparagraph": "(a)", "Topic": "340", "URI": "http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054" }, "r207": { "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" }, "r208": { "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" }, "r209": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=99380562&loc=d3e13777-109266" }, "r21": { "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=120391452&loc=d3e13212-122682" }, "r210": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975" }, "r211": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267" }, "r212": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(e)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267" }, "r213": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(f)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267" }, "r214": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(h)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267" }, "r215": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267" }, "r216": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267" }, "r217": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267" }, "r218": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274" }, "r219": { "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" }, "r22": { "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=120391452&loc=d3e13212-122682" }, "r220": { "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" }, "r221": { "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" }, "r222": { "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" }, "r223": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "((a)(1),(b))", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r224": { "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" }, "r225": { "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" }, "r226": { "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" }, "r227": { "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" }, "r228": { "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" }, "r229": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275" }, "r23": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30)(a)(3))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r230": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "30", "SubTopic": "40", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=118172244&loc=d3e17916-109280" }, "r231": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=118198657&loc=SL118198666-228104" }, "r232": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "25", "SubTopic": "50", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=16397303&loc=d3e19379-109286" }, "r233": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "350", "URI": "http://asc.fasb.org/topic&trid=2144416" }, "r234": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "05", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226317&loc=d3e202-110218" }, "r235": { "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" }, "r236": { "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" }, "r237": { "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" }, "r238": { "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" }, "r239": { "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" }, "r24": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30)(a)(4))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r240": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230" }, "r241": { "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" }, "r242": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.CC)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=27011434&loc=d3e125687-122742" }, "r243": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "360", "URI": "http://asc.fasb.org/topic&trid=2155823" }, "r244": { "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" }, "r245": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)(1)", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869" }, "r246": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)(2)", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869" }, "r247": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869" }, "r248": { "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" }, "r249": { "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" }, "r25": { "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=120391452&loc=d3e13212-122682" }, "r250": { "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" }, "r251": { "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" }, "r252": { "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" }, "r253": { "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" }, "r254": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.P.4(b)(1))", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747" }, "r255": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.P.4(b)(2))", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747" }, "r256": { "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" }, "r257": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.P.4(c))", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747" }, "r258": { "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" }, "r259": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "420", "URI": "http://asc.fasb.org/topic&trid=2175745" }, "r26": { "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=120391452&loc=d3e13212-122682" }, "r260": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "440", "URI": "http://asc.fasb.org/extlink&oid=121559207&loc=d3e25336-109308" }, "r261": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "440", "URI": "http://asc.fasb.org/extlink&oid=121559207&loc=d3e25336-109308" }, "r262": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "440", "URI": "http://asc.fasb.org/topic&trid=2144648" }, "r263": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349" }, "r264": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14615-108349" }, "r265": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14394-108349" }, "r266": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349" }, "r267": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349" }, "r268": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14453-108349" }, "r269": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14472-108349" }, "r27": { "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=120391452&loc=d3e13212-122682" }, "r270": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349" }, "r271": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349" }, "r272": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "450", "URI": "http://asc.fasb.org/topic&trid=2127136" }, "r273": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "460", "URI": "http://asc.fasb.org/extlink&oid=121555522&loc=d3e12021-110248" }, "r274": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "460", "URI": "http://asc.fasb.org/extlink&oid=121555522&loc=d3e12053-110248" }, "r275": { "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" }, "r276": { "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" }, "r277": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "25", "SubTopic": "20", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=109126253&loc=d3e4724-112606" }, "r278": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870" }, "r279": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(3)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870" }, "r28": { "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=120391452&loc=d3e13212-122682" }, "r280": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=120520924&loc=SL6031898-161870" }, "r281": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=120520924&loc=SL6036836-161870" }, "r282": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "470", "URI": "http://asc.fasb.org/topic&trid=2208564" }, "r283": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "25", "SubTopic": "10", "Topic": "480", "URI": "http://asc.fasb.org/extlink&oid=109262497&loc=d3e20148-110875" }, "r284": { "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" }, "r285": { "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" }, "r286": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21506-112644" }, "r287": { "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" }, "r288": { "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" }, "r289": { "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" }, "r29": { "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=120391452&loc=d3e13212-122682" }, "r290": { "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=120397183&loc=d3e187085-122770" }, "r291": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655" }, "r292": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656" }, "r293": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "50", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=6784392&loc=d3e188667-122775" }, "r294": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "505", "URI": "http://asc.fasb.org/topic&trid=2208762" }, "r295": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121556615&loc=SL49130531-203044" }, "r296": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121556615&loc=SL49130532-203044" }, "r297": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121556615&loc=SL49130533-203044" }, "r298": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045" }, "r299": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045" }, "r3": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=121566466&loc=d3e6676-107765" }, "r30": { "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=120391452&loc=d3e13212-122682" }, "r300": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045" }, "r301": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045" }, "r302": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045" }, "r303": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045" }, "r304": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130556-203045" }, "r305": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)(1)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130556-203045" }, "r306": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)(2)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130556-203045" }, "r307": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130558-203045" }, "r308": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130561-203045" }, "r309": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130563-203045" }, "r31": { "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=120391452&loc=d3e13212-122682" }, "r310": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130563-203045" }, "r311": { "Name": "Accounting Standards Codification", "Paragraph": "19", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130564-203045" }, "r312": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130566-203045" }, "r313": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130566-203045" }, "r314": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130566-203045" }, "r315": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130566-203045" }, "r316": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130543-203045" }, "r317": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045" }, "r318": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130549-203045" }, "r319": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130549-203045" }, "r32": { "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=120391452&loc=d3e13212-122682" }, "r320": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121604090&loc=SL49130550-203045" }, "r321": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121551570&loc=SL49130690-203046-203046" }, "r322": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121551570&loc=SL49130690-203046-203046" }, "r323": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121551570&loc=SL49130690-203046-203046" }, "r324": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121551570&loc=SL49130690-203046-203046" }, "r325": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121551570&loc=SL49130690-203046-203046" }, "r326": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121551570&loc=SL49130690-203046-203046" }, "r327": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=121551570&loc=SL49130690-203046-203046" }, "r328": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "606", "URI": "http://asc.fasb.org/topic&trid=49130388" }, "r329": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(i)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r33": { "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=120391452&loc=d3e13212-122682" }, "r330": { "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" }, "r331": { "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" }, "r332": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(iv)(02)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r333": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(iv)(02)(A)", "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)(02)(B)", "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": "(d)(iv)(02)(C)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r336": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(iv)(03)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r337": { "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" }, "r338": { "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" }, "r339": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "80", "Subparagraph": "(d)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947" }, "r34": { "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=120391452&loc=d3e13212-122682" }, "r340": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "80", "Subparagraph": "(f)(3)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947" }, "r341": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "55", "SubTopic": "80", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948" }, "r342": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "35", "SubTopic": "10", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=121326096&loc=d3e4534-113899" }, "r343": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901" }, "r344": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901" }, "r345": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901" }, "r346": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r347": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r348": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(3)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r349": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a),(g)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r35": { "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=120391452&loc=d3e13212-122682" }, "r350": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b),(f)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r351": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r352": { "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=120381028&loc=d3e5070-113901" }, "r353": { "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=120381028&loc=d3e5070-113901" }, "r354": { "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=120381028&loc=d3e5070-113901" }, "r355": { "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=120381028&loc=d3e5070-113901" }, "r356": { "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=120381028&loc=d3e5070-113901" }, "r357": { "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=120381028&loc=d3e5070-113901" }, "r358": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r359": { "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=120381028&loc=d3e5070-113901" }, "r36": { "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=120391452&loc=d3e13212-122682" }, "r360": { "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=120381028&loc=d3e5070-113901" }, "r361": { "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=120381028&loc=d3e5070-113901" }, "r362": { "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=120381028&loc=d3e5070-113901" }, "r363": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(iii)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r364": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r365": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r366": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r367": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r368": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r369": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r37": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19-26)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r370": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r371": { "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=120381028&loc=d3e5070-113901" }, "r372": { "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=120381028&loc=d3e5070-113901" }, "r373": { "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=120381028&loc=d3e5070-113901" }, "r374": { "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=120381028&loc=d3e5070-113901" }, "r375": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r376": { "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=120381028&loc=d3e5070-113901" }, "r377": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(i)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r378": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901" }, "r379": { "Name": "Accounting Standards Codification", "Paragraph": "2A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=SL79508275-113901" }, "r38": { "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=120391452&loc=d3e13212-122682" }, "r380": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333" }, "r381": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333" }, "r382": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333" }, "r383": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333" }, "r384": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333" }, "r385": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(f)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333" }, "r386": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(f)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333" }, "r387": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(g)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333" }, "r388": { "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" }, "r389": { "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" }, "r39": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.20,24)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r390": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120383193&loc=d3e11149-113907" }, "r391": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120383193&loc=d3e11178-113907" }, "r392": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "35", "SubTopic": "740", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120384911&loc=d3e23163-113944" }, "r393": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "730", "URI": "http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373" }, "r394": { "Name": "Accounting Standards Codification", "Paragraph": "10B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=120406818&loc=SL37586934-109318" }, "r395": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=120406818&loc=d3e32247-109318" }, "r396": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=120406818&loc=d3e32280-109318" }, "r397": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=120406818&loc=d3e31917-109318" }, "r398": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=120406818&loc=d3e31931-109318" }, "r399": { "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" }, "r4": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=121566466&loc=d3e6676-107765" }, "r40": { "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=120391452&loc=d3e13212-122682" }, "r400": { "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" }, "r401": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32705-109319" }, "r402": { "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" }, "r403": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319" }, "r404": { "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" }, "r405": { "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" }, "r406": { "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" }, "r407": { "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" }, "r408": { "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" }, "r409": { "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" }, "r41": { "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=120391452&loc=d3e13212-122682" }, "r410": { "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" }, "r411": { "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" }, "r412": { "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" }, "r413": { "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" }, "r414": { "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" }, "r415": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319" }, "r416": { "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" }, "r417": { "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" }, "r418": { "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" }, "r419": { "Name": "Accounting Standards Codification", "Paragraph": "21", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32857-109319" }, "r42": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.22(a)(5))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r420": { "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" }, "r421": { "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" }, "r422": { "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" }, "r423": { "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" }, "r424": { "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" }, "r425": { "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" }, "r426": { "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" }, "r427": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(d)(2)", "Topic": "740" }, "r428": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(d)(3)", "Topic": "740" }, "r429": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB TOPIC 6.I.5.Q1)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817" }, "r43": { "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=120391452&loc=d3e13212-122682" }, "r430": { "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" }, "r431": { "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" }, "r432": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 6.I.Fact.1)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817" }, "r433": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 6.I.Fact.2)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817" }, "r434": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 6.I.Fact.3)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817" }, "r435": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 6.I.Fact.4)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817" }, "r436": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 11.C)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330215-122817" }, "r437": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=120385591&loc=d3e38679-109324" }, "r438": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "270", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=6424409&loc=d3e44925-109338" }, "r439": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331" }, "r44": { "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=120391452&loc=d3e13212-122682" }, "r440": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "740", "URI": "http://asc.fasb.org/topic&trid=2144680" }, "r441": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=121598580&loc=d3e5263-128473" }, "r442": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=121598580&loc=d3e5333-128473" }, "r443": { "Name": "Accounting Standards Codification", "Paragraph": "38", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=121598580&loc=d3e5504-128473" }, "r444": { "Name": "Accounting Standards Codification", "Paragraph": "44", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=121598580&loc=d3e5558-128473" }, "r445": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "25", "SubTopic": "740", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=121554379&loc=d3e9972-128506" }, "r446": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "25", "SubTopic": "740", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=121554379&loc=d3e9979-128506" }, "r447": { "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" }, "r448": { "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" }, "r449": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=116870748&loc=SL6758485-165988" }, "r45": { "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=120391452&loc=d3e13212-122682" }, "r450": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=116870748&loc=SL6758485-165988" }, "r451": { "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" }, "r452": { "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" }, "r453": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(bb)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=121559654&loc=d3e5710-111685" }, "r454": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=121559654&loc=d3e5710-111685" }, "r455": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "810", "URI": "http://asc.fasb.org/topic&trid=2197479" }, "r456": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=121590274&loc=SL5579240-113959" }, "r457": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959" }, "r458": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=121590274&loc=d3e41620-113959" }, "r459": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=121590274&loc=d3e41638-113959" }, "r46": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.29,30)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r460": { "Name": "Accounting Standards Codification", "Paragraph": "4A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959" }, "r461": { "Name": "Accounting Standards Codification", "Paragraph": "4A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959" }, "r462": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=121590274&loc=SL5624163-113959" }, "r463": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=121590274&loc=SL5624163-113959" }, "r464": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=121590274&loc=SL5624163-113959" }, "r465": { "Name": "Accounting Standards Codification", "Paragraph": "4C", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=121590274&loc=SL5624171-113959" }, "r466": { "Name": "Accounting Standards Codification", "Paragraph": "4D", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=121590274&loc=SL5624177-113959" }, "r467": { "Name": "Accounting Standards Codification", "Paragraph": "4D", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=121590274&loc=SL5624177-113959" }, "r468": { "Name": "Accounting Standards Codification", "Paragraph": "4E", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=121590274&loc=SL5624181-113959" }, "r469": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=121590274&loc=d3e41675-113959" }, "r47": { "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=120391452&loc=d3e13212-122682" }, "r470": { "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" }, "r471": { "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" }, "r472": { "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" }, "r473": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(bbb)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r474": { "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" }, "r475": { "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" }, "r476": { "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" }, "r477": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r478": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r479": { "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" }, "r48": { "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=120391452&loc=d3e13212-122682" }, "r480": { "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" }, "r481": { "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" }, "r482": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "60", "SubTopic": "10", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=7493716&loc=d3e21868-110260" }, "r483": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=121572278&loc=d3e13279-108611" }, "r484": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611" }, "r485": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=75031198&loc=d3e14064-108612" }, "r486": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=120253306&loc=d3e28228-110885" }, "r487": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "35", "SubTopic": "20", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=121605123&loc=d3e30226-110892" }, "r488": { "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" }, "r489": { "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" }, "r49": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.3,4)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r490": { "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" }, "r491": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32136-110900" }, "r492": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Subparagraph": "(a)", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900" }, "r493": { "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" }, "r494": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Subparagraph": "(c)", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900" }, "r495": { "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" }, "r496": { "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" }, "r497": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=6450520&loc=d3e32618-110901" }, "r498": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "830", "URI": "http://asc.fasb.org/topic&trid=2175825" }, "r499": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=119993939&loc=d3e28541-108399" }, "r5": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=121566466&loc=d3e6676-107765" }, "r50": { "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=120391452&loc=d3e13212-122682" }, "r500": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399" }, "r501": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=119993939&loc=d3e28555-108399" }, "r502": { "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" }, "r503": { "Name": "Accounting Standards Codification", "Paragraph": "40", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "Note 1", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=121580752&loc=d3e38371-112697" }, "r504": { "Name": "Accounting Standards Codification", "Paragraph": "40", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "Note 3", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=121580752&loc=d3e38371-112697" }, "r505": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=121586228&loc=d3e50796-112755" }, "r506": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "25", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=121593497&loc=SL77918431-209957" }, "r507": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977" }, "r508": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977" }, "r509": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=121603541&loc=SL77918638-209977" }, "r51": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX210.5-02(13))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r510": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=121603541&loc=SL77918643-209977" }, "r511": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=121603541&loc=SL77918643-209977" }, "r512": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=121603541&loc=SL77918643-209977" }, "r513": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918666-209980" }, "r514": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980" }, "r515": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980" }, "r516": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980" }, "r517": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980" }, "r518": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980" }, "r519": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(e)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980" }, "r52": { "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" }, "r520": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)(1)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980" }, "r521": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)(2)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980" }, "r522": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)(3)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980" }, "r523": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)(4)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980" }, "r524": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980" }, "r525": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980" }, "r526": { "Name": "Accounting Standards Codification", "Paragraph": "53", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=121568110&loc=SL77918982-209971" }, "r527": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/subtopic&trid=77888251" }, "r528": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=121576215&loc=SL77919396-209981" }, "r529": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "30", "Topic": "842", "URI": "http://asc.fasb.org/subtopic&trid=77888252" }, "r53": { "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" }, "r530": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=121606570&loc=SL77919786-209982" }, "r531": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864" }, "r532": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864" }, "r533": { "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" }, "r534": { "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" }, "r535": { "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" }, "r536": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39599-107864" }, "r537": { "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" }, "r538": { "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" }, "r539": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "850", "URI": "http://asc.fasb.org/topic&trid=2122745" }, "r54": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226024-175313" }, "r540": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "855", "URI": "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662" }, "r541": { "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" }, "r542": { "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" }, "r543": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "855", "URI": "http://asc.fasb.org/topic&trid=2122774" }, "r544": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(bb)(1)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719" }, "r545": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(bb)(2)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719" }, "r546": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(bb)(3)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719" }, "r547": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)(1)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719" }, "r548": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)(2)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719" }, "r549": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)(3)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719" }, "r55": { "Name": "Accounting Standards Codification", "Paragraph": "10A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580" }, "r550": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(1)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719" }, "r551": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(2)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719" }, "r552": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(3)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719" }, "r553": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "910", "URI": "http://asc.fasb.org/extlink&oid=119991564&loc=SL119991595-234733" }, "r554": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 11.L)", "Topic": "924", "URI": "http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856" }, "r555": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "926", "URI": "http://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959" }, "r556": { "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" }, "r557": { "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" }, "r558": { "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" }, "r559": { "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" }, "r56": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=d3e637-108580" }, "r560": { "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" }, "r561": { "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" }, "r562": { "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" }, "r563": { "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" }, "r564": { "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" }, "r565": { "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" }, "r566": { "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" }, "r567": { "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" }, "r568": { "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" }, "r569": { "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" }, "r57": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=d3e681-108580" }, "r570": { "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=120398452&loc=d3e534808-122878" }, "r571": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(10)(1))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878" }, "r572": { "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=120398452&loc=d3e534808-122878" }, "r573": { "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=120398452&loc=d3e534808-122878" }, "r574": { "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=120398452&loc=d3e534808-122878" }, "r575": { "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=120398452&loc=d3e534808-122878" }, "r576": { "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=120398452&loc=d3e534808-122878" }, "r577": { "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=120398452&loc=d3e534808-122878" }, "r578": { "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=120398452&loc=d3e534808-122878" }, "r579": { "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=120399700&loc=SL114874048-224260" }, "r58": { "Name": "Accounting Standards Codification", "Paragraph": "14A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669686-108580" }, "r580": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(22))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260" }, "r581": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(26))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260" }, "r582": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "235", "Subparagraph": "(SX 210.9-05(b)(2))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120399901&loc=d3e537907-122884" }, "r583": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "405", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116652737&loc=d3e64164-112818" }, "r584": { "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" }, "r585": { "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" }, "r586": { "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=120400017&loc=d3e572229-122910" }, "r587": { "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=120400017&loc=d3e572229-122910" }, "r588": { "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=120400017&loc=d3e572229-122910" }, "r589": { "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=120400017&loc=d3e572229-122910" }, "r59": { "Name": "Accounting Standards Codification", "Paragraph": "17B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=SL34724394-108580" }, "r590": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(23)(a)(3))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r591": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(23)(a)(4))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r592": { "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=120400017&loc=d3e572229-122910" }, "r593": { "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=120400017&loc=d3e572229-122910" }, "r594": { "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=120400017&loc=d3e572229-122910" }, "r595": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(18))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263" }, "r596": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(22))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263" }, "r597": { "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=120400993&loc=SL114874131-224263" }, "r598": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(9))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263" }, "r599": { "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" }, "r6": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=121566466&loc=d3e6801-107765" }, "r60": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669619-108580" }, "r600": { "Name": "Accounting Standards Codification", "Paragraph": "7A", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Subparagraph": "(d)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=121643868&loc=SL117782755-158439" }, "r601": { "Name": "Accounting Standards Codification", "Paragraph": "13H", "Publisher": "FASB", "Section": "55", "SubTopic": "40", "Subparagraph": "(a)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=121639165&loc=SL117783719-158441" }, "r602": { "Name": "Accounting Standards Codification", "Paragraph": "13H", "Publisher": "FASB", "Section": "55", "SubTopic": "40", "Subparagraph": "(b)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=121639165&loc=SL117783719-158441" }, "r603": { "Name": "Accounting Standards Codification", "Paragraph": "29F", "Publisher": "FASB", "Section": "55", "SubTopic": "40", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=121639165&loc=SL117819544-158441" }, "r604": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(a)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641" }, "r605": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(b)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641" }, "r606": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(e)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641" }, "r607": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(f)(1)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641" }, "r608": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(f)(2)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641" }, "r609": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(g)(1)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641" }, "r61": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669619-108580" }, "r610": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(g)(2)(i)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641" }, "r611": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(g)(2)(ii)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641" }, "r612": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(g)(2)(iii)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641" }, "r613": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(g)(2)(iv)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641" }, "r614": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(h)(1)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641" }, "r615": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(h)(2)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641" }, "r616": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.6-04(13))", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=120401414&loc=d3e603758-122996" }, "r617": { "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=120401555&loc=SL114874292-224272" }, "r618": { "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=120402547&loc=d3e617274-123014" }, "r619": { "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" }, "r62": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669625-108580" }, "r620": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "360", "Subparagraph": "(d)", "Topic": "958", "URI": "http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916" }, "r621": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "360", "Topic": "958", "URI": "http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916" }, "r622": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "360", "Topic": "958", "URI": "http://asc.fasb.org/extlink&oid=120429125&loc=SL120174063-112916" }, "r623": { "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=120402810&loc=d3e638233-123024" }, "r624": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Column C))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024" }, "r625": { "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=120402810&loc=d3e638233-123024" }, "r626": { "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=120402810&loc=d3e638233-123024" }, "r627": { "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=120402810&loc=d3e638233-123024" }, "r628": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Column G))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024" }, "r629": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Column H))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024" }, "r63": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669625-108580" }, "r630": { "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=120402810&loc=d3e638233-123024" }, "r631": { "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=120402810&loc=d3e638233-123024" }, "r632": { "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=120402810&loc=d3e638233-123024" }, "r633": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(1)", "Topic": "985", "URI": "http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756" }, "r634": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "985", "URI": "http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756" }, "r635": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "985", "URI": "http://asc.fasb.org/extlink&oid=6501960&loc=d3e128487-111756" }, "r636": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b" }, "r637": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b-23" }, "r638": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "d1-1" }, "r639": { "Name": "Form 10-K", "Number": "249", "Publisher": "SEC", "Section": "310" }, "r64": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=d3e557-108580" }, "r640": { "Name": "Form 20-F", "Number": "249", "Publisher": "SEC", "Section": "220", "Subsection": "f" }, "r641": { "Name": "Form 40-F", "Number": "249", "Publisher": "SEC", "Section": "240", "Subsection": "f" }, "r642": { "Name": "Forms 10-K, 10-Q, 20-F", "Number": "240", "Publisher": "SEC", "Section": "13", "Subsection": "a-1" }, "r643": { "Name": "Regulation 12B", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b-2" }, "r644": { "Name": "Regulation S-T", "Number": "232", "Publisher": "SEC", "Section": "405" }, "r65": { "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" }, "r66": { "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=120395209&loc=SL114868664-224227" }, "r67": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(20))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227" }, "r68": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(24))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227" }, "r69": { "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=120395209&loc=SL114868664-224227" }, "r7": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=121566466&loc=d3e6904-107765" }, "r70": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(5))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227" }, "r71": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(8))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227" }, "r72": { "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=120395209&loc=SL114868664-224227" }, "r73": { "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=120395209&loc=SL114868664-224227" }, "r74": { "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=120395209&loc=SL114868664-224227" }, "r75": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.1,2)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227" }, "r76": { "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=120395209&loc=SL114868664-224227" }, "r77": { "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=120395209&loc=SL114868664-224227" }, "r78": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.8)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227" }, "r79": { "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=120395209&loc=SL114868664-224227" }, "r8": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=121566466&loc=d3e6911-107765" }, "r80": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3151-108585" }, "r81": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585" }, "r82": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585" }, "r83": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585" }, "r84": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585" }, "r85": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585" }, "r86": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585" }, "r87": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585" }, "r88": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585" }, "r89": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3367-108585" }, "r9": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=121566466&loc=d3e6935-107765" }, "r90": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3367-108585" }, "r91": { "Name": "Accounting Standards Codification", "Paragraph": "19", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3444-108585" }, "r92": { "Name": "Accounting Standards Codification", "Paragraph": "24", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3521-108585" }, "r93": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3536-108585" }, "r94": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3536-108585" }, "r95": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585" }, "r96": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585" }, "r97": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585" }, "r98": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3044-108585" }, "r99": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121583591&loc=d3e4273-108586" } }, "version": "2.1" }