{ "instance": { "cmls-20200630x10q.htm": { "axisCustom": 0, "axisStandard": 20, "contextCount": 192, "dts": { "calculationLink": { "local": [ "cmls-20200630_cal.xml" ] }, "definitionLink": { "local": [ "cmls-20200630_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": [ "cmls-20200630x10q.htm" ] }, "labelLink": { "local": [ "cmls-20200630_lab.xml" ], "remote": [ "https://xbrl.sec.gov/dei/2019/dei-doc-2019-01-31.xml", "http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-doc-2020-01-31.xml", "http://xbrl.fasb.org/srt/2020/elts/srt-doc-2020-01-31.xml" ] }, "presentationLink": { "local": [ "cmls-20200630_pre.xml" ] }, "referenceLink": { "remote": [ "http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-ref-2020-01-31.xml", "https://xbrl.sec.gov/dei/2019/dei-ref-2019-01-31.xml", "http://xbrl.fasb.org/srt/2020/elts/srt-ref-2020-01-31.xml" ] }, "schema": { "local": [ "cmls-20200630.xsd" ], "remote": [ "http://xbrl.fasb.org/srt/2020/elts/srt-types-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/2006/ref-2006-02-27.xsd", "http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd", "http://www.xbrl.org/2005/xbrldt-2005.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", "http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd", "https://xbrl.sec.gov/currency/2020/currency-2020-01-31.xsd", "https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd", "https://xbrl.sec.gov/exch/2020/exch-2020-01-31.xsd", "http://xbrl.sec.gov/naics/2017/naics-2017-01-31.xsd", "https://xbrl.sec.gov/sic/2020/sic-2020-01-31.xsd", "https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd", "http://www.xbrl.org/lrr/role/deprecated-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" ] } }, "elementCount": 398, "entityCount": 1, "hidden": { "http://fasb.org/us-gaap/2020-01-31": 26, "http://xbrl.sec.gov/dei/2019-01-31": 6, "total": 32 }, "keyCustom": 42, "keyStandard": 258, "memberCustom": 25, "memberStandard": 25, "nsprefix": "cmls", "nsuri": "http://www.cumulus.com/20200630", "report": { "R1": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "dei:DocumentType", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "true", "longName": "0001000 - Document - Cover", "role": "http://www.cumulus.com/role/Cover", "shortName": "Cover", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "dei:DocumentType", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R10": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RestrictedAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2104100 - Disclosure - Restricted Cash", "role": "http://www.cumulus.com/role/RestrictedCash", "shortName": "Restricted Cash", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RestrictedAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R11": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:IntangibleAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2105100 - Disclosure - Intangible Assets", "role": "http://www.cumulus.com/role/IntangibleAssets", "shortName": "Intangible Assets", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:IntangibleAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R12": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LongTermDebtTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2111100 - Disclosure - Long-Term Debt", "role": "http://www.cumulus.com/role/LongTermDebt", "shortName": "Long-Term Debt", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LongTermDebtTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R13": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:FairValueDisclosuresTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2112100 - Disclosure - Fair Value Measurements", "role": "http://www.cumulus.com/role/FairValueMeasurements", "shortName": "Fair Value Measurements", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:FairValueDisclosuresTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R14": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:IncomeTaxDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2114100 - Disclosure - Income Taxes", "role": "http://www.cumulus.com/role/IncomeTaxes", "shortName": "Income Taxes", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:IncomeTaxDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R15": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:EarningsPerShareTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2115100 - Disclosure - (Loss) Earnings Per Share", "role": "http://www.cumulus.com/role/LossEarningsPerShare", "shortName": "(Loss) Earnings Per Share", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:EarningsPerShareTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R16": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2115100 - Disclosure - Stockholders' Equity", "role": "http://www.cumulus.com/role/StockholdersEquity", "shortName": "Stockholders' Equity", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R17": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2116100 - Disclosure - Commitments and Contingencies", "role": "http://www.cumulus.com/role/CommitmentsAndContingencies", "shortName": "Commitments and Contingencies", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R18": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SubsequentEventsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2117100 - Disclosure - Subsequent Event", "role": "http://www.cumulus.com/role/SubsequentEvent", "shortName": "Subsequent Event", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SubsequentEventsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R19": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "cmls:DescriptionOfBusinessPolicyPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2201201 - Disclosure - Nature of Business, Interim Financial Data and Basis of Presentation (Policies)", "role": "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationPolicies", "shortName": "Nature of Business, Interim Financial Data and Basis of Presentation (Policies)", "subGroupType": "policies", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "cmls:DescriptionOfBusinessPolicyPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R2": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FI2020Q2", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1002000 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS", "role": "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets", "shortName": "CONDENSED CONSOLIDATED BALANCE SHEETS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FI2020Q2", "decimals": "-3", "lang": null, "name": "us-gaap:AccountsReceivableNetCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R20": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisclosureOfLongLivedAssetsHeldForSaleTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2301302 - Disclosure - Nature of Business, Interim Financial Data and Basis of Presentation (Tables)", "role": "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationTables", "shortName": "Nature of Business, Interim Financial Data and Basis of Presentation (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisclosureOfLongLivedAssetsHeldForSaleTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R21": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisaggregationOfRevenueTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2303301 - Disclosure - Revenues (Tables)", "role": "http://www.cumulus.com/role/RevenuesTables", "shortName": "Revenues (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisaggregationOfRevenueTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R22": { "firstAnchor": { "ancestors": [ "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfIndefiniteLivedIntangibleAssetsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2305301 - Disclosure - Intangible Assets (Tables)", "role": "http://www.cumulus.com/role/IntangibleAssetsTables", "shortName": "Intangible Assets (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfIndefiniteLivedIntangibleAssetsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R23": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2311301 - Disclosure - Long-Term Debt (Tables)", "role": "http://www.cumulus.com/role/LongTermDebtTables", "shortName": "Long-Term Debt (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R24": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDebtTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2312301 - Disclosure - Fair Value Measurements (Tables)", "role": "http://www.cumulus.com/role/FairValueMeasurementsTables", "shortName": "Fair Value Measurements (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDebtTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R25": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2315301 - Disclosure - (Loss) Earnings Per Share (Tables)", "role": "http://www.cumulus.com/role/LossEarningsPerShareTables", "shortName": "(Loss) Earnings Per Share (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R26": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": "INF", "first": true, "lang": null, "name": "cmls:NumberofOwnedandOperatedStations", "reportCount": 1, "unique": true, "unitRef": "station", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2401403 - Disclosure - Nature of Business, Interim Financial Data and Basis of Presentation (Narrative) (Details)", "role": "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationNarrativeDetails", "shortName": "Nature of Business, Interim Financial Data and Basis of Presentation (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": "INF", "first": true, "lang": null, "name": "cmls:NumberofOwnedandOperatedStations", "reportCount": 1, "unique": true, "unitRef": "station", "xsiNil": "false" } }, "R27": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:DisclosureOfLongLivedAssetsHeldForSaleTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FI2020Q2", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:AssetsHeldForSaleNotPartOfDisposalGroupCurrent", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2401404 - Disclosure - Nature of Business, Interim Financial Data and Basis of Presentation (Schedule of Assets Held for Sale) (Details)", "role": "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationScheduleOfAssetsHeldForSaleDetails", "shortName": "Nature of Business, Interim Financial Data and Basis of Presentation (Schedule of Assets Held for Sale) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:DisclosureOfLongLivedAssetsHeldForSaleTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FI2019Q4_us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis_cmls_WABCSaleMember", "decimals": "-3", "lang": null, "name": "us-gaap:AssetsHeldForSaleNotPartOfDisposalGroupCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R28": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "srt:ScheduleOfCondensedCashFlowStatementTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:InterestPaidNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2401405 - Disclosure - Nature of Business, Interim Financial Data and Basis of Presentation (Condensed Supplemental Cash Flow) (Details)", "role": "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationCondensedSupplementalCashFlowDetails", "shortName": "Nature of Business, Interim Financial Data and Basis of Presentation (Condensed Supplemental Cash Flow) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "srt:ScheduleOfCondensedCashFlowStatementTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:InterestPaidNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R29": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "I2020Q2Jun24_us-gaap_DisposalGroupClassificationAxis_us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_cmls_DCLandMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:DisposalGroupIncludingDiscontinuedOperationConsideration", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402401 - Disclosure - Acquisitions and Dispositions (Details)", "role": "http://www.cumulus.com/role/AcquisitionsAndDispositionsDetails", "shortName": "Acquisitions and Dispositions (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "I2020Q2Jun24_us-gaap_DisposalGroupClassificationAxis_us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_cmls_DCLandMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:DisposalGroupIncludingDiscontinuedOperationConsideration", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R3": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FI2020Q2", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:CommonStockSharesIssued", "reportCount": 1, "unitRef": "shares", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1002501 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)", "role": "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheetsParenthetical", "shortName": "CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)", "subGroupType": "parenthetical", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FI2020Q2_us-gaap_StatementClassOfStockAxis_us-gaap_CommonClassAMember", "decimals": "INF", "lang": null, "name": "us-gaap:CommonStockParOrStatedValuePerShare", "reportCount": 1, "unique": true, "unitRef": "usdPerShare", "xsiNil": "false" } }, "R30": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:DisaggregationOfRevenueTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2403402 - Disclosure - Revenues (Details)", "role": "http://www.cumulus.com/role/RevenuesDetails", "shortName": "Revenues (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FI2019Q4", "decimals": "-5", "lang": null, "name": "us-gaap:ContractWithCustomerAssetNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R31": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FI2020Q2", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:RestrictedCash", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2404401 - Disclosure - Restricted Cash (Details)", "role": "http://www.cumulus.com/role/RestrictedCashDetails", "shortName": "Restricted Cash (Details)", "subGroupType": "details", "uniqueAnchor": null }, "R32": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfIndefiniteLivedIntangibleAssetsTableTextBlock", "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:AssetImpairmentCharges", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2405402 - Disclosure - Intangible Assets (Gross Carrying Amount and Accumulated Amortization) (Details)", "role": "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails", "shortName": "Intangible Assets (Gross Carrying Amount and Accumulated Amortization) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfIndefiniteLivedIntangibleAssetsTableTextBlock", "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:AssetImpairmentCharges", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R33": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FI2020Q2_us-gaap_MeasurementInputTypeAxis_us-gaap_MeasurementInputDiscountRateMember", "decimals": "3", "first": true, "lang": null, "name": "us-gaap:AlternativeInvestmentMeasurementInput", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2405404 - Disclosure - Intangible Assets (Assumption on Impairment) (Details)", "role": "http://www.cumulus.com/role/IntangibleAssetsAssumptionOnImpairmentDetails", "shortName": "Intangible Assets (Assumption on Impairment) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FI2020Q2_us-gaap_MeasurementInputTypeAxis_us-gaap_MeasurementInputDiscountRateMember", "decimals": "3", "first": true, "lang": null, "name": "us-gaap:AlternativeInvestmentMeasurementInput", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R34": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2405405 - Disclosure - Intangible Assets (Narrative) (Details)", "role": "http://www.cumulus.com/role/IntangibleAssetsNarrativeDetails", "shortName": "Intangible Assets (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_cmls_FCCLicensesMember", "decimals": "-5", "lang": null, "name": "us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R35": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FI2020Q2", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:UnamortizedDebtIssuanceExpense", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2411402 - Disclosure - Long-Term Debt (Schedule of Debt) (Details)", "role": "http://www.cumulus.com/role/LongTermDebtScheduleOfDebtDetails", "shortName": "Long-Term Debt (Schedule of Debt) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FI2020Q2", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:UnamortizedDebtIssuanceExpense", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R36": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FI2020Q2", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:LineOfCredit", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2411403 - Disclosure - Long-Term Debt (Refinanced Credit Agreement (Term Loan due 2026)) (Details)", "role": "http://www.cumulus.com/role/LongTermDebtRefinancedCreditAgreementTermLoanDue2026Details", "shortName": "Long-Term Debt (Refinanced Credit Agreement (Term Loan due 2026)) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "I2019Q3Sep26_us-gaap_CreditFacilityAxis_cmls_TermLoanDue2026Member", "decimals": "INF", "lang": null, "name": "us-gaap:LineOfCredit", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R37": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "I2020Q1Mar6_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2411404 - Disclosure - Long-Term Debt (2020 Revolving Credit Agreement) (Details)", "role": "http://www.cumulus.com/role/LongTermDebt2020RevolvingCreditAgreementDetails", "shortName": "Long-Term Debt (2020 Revolving Credit Agreement) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FI2020Q2_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember", "decimals": "-5", "lang": null, "name": "us-gaap:DebtInstrumentUnamortizedDiscount", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R38": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "I2020Q1Mar6_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2411405 - Disclosure - Long-Term Debt (2018 Revolving Credit Agreement) (Details)", "role": "http://www.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails", "shortName": "Long-Term Debt (2018 Revolving Credit Agreement) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "D2018Q3Aug17_srt_RangeAxis_srt_MinimumMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember", "decimals": "INF", "lang": null, "name": "us-gaap:LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R39": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "I2019Q2June26_us-gaap_DebtInstrumentAxis_cmls_SeniorNotes6.75Member", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:DebtInstrumentInterestRateStatedPercentage", "reportCount": 1, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2411406 - Disclosure - Long-Term Debt (6.75% Senior Notes) (Details)", "role": "http://www.cumulus.com/role/LongTermDebt675SeniorNotesDetails", "shortName": "Long-Term Debt (6.75% Senior Notes) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "I2019Q2June26_us-gaap_DebtInstrumentAxis_cmls_SeniorNotes6.75Member", "decimals": "INF", "lang": null, "name": "us-gaap:DebtInstrumentFaceAmount", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R4": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:DisaggregationOfRevenueTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1003000 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS", "role": "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations", "shortName": "CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2QTD", "decimals": "-3", "lang": null, "name": "us-gaap:OperatingCostsAndExpenses", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R40": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:DebtInstrumentRedemptionTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD_us-gaap_DebtInstrumentAxis_cmls_SeniorNotes6.75Member_us-gaap_DebtInstrumentRedemptionPeriodAxis_cmls_DebtInstrumentRedemptionPeriod1Member", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:DebtInstrumentRedemptionPricePercentage", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2411407 - Disclosure - Long-Term Debt (Debt Instrument Redemption) (Details)", "role": "http://www.cumulus.com/role/LongTermDebtDebtInstrumentRedemptionDetails", "shortName": "Long-Term Debt (Debt Instrument Redemption) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:DebtInstrumentRedemptionTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD_us-gaap_DebtInstrumentAxis_cmls_SeniorNotes6.75Member_us-gaap_DebtInstrumentRedemptionPeriodAxis_cmls_DebtInstrumentRedemptionPeriod1Member", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:DebtInstrumentRedemptionPricePercentage", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R41": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FI2020Q2", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:LongTermDebt", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2412402 - Disclosure - Fair Value Measurements (Gross Amounts and Fair Value of Debt) (Details)", "role": "http://www.cumulus.com/role/FairValueMeasurementsGrossAmountsAndFairValueOfDebtDetails", "shortName": "Fair Value Measurements (Gross Amounts and Fair Value of Debt) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfDebtTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FI2020Q2_us-gaap_FinancialInstrumentAxis_cmls_SeniorNotes6.75Member", "decimals": "-3", "lang": null, "name": "us-gaap:LongTermDebt", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R42": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FI2020Q2_us-gaap_DebtInstrumentAxis_cmls_TermLoanDue2026Member", "decimals": "INF", "first": true, "lang": null, "name": "cmls:FairValueLiabilitiesMeasuredOnRecurringBasisTradePriceRate", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2412403 - Disclosure - Fair Value Measurements (Narrative) (Details)", "role": "http://www.cumulus.com/role/FairValueMeasurementsNarrativeDetails", "shortName": "Fair Value Measurements (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FI2020Q2_us-gaap_DebtInstrumentAxis_cmls_TermLoanDue2026Member", "decimals": "INF", "first": true, "lang": null, "name": "cmls:FairValueLiabilitiesMeasuredOnRecurringBasisTradePriceRate", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R43": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:IncomeTaxExpenseBenefit", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2414401 - Disclosure - Income Taxes (Details)", "role": "http://www.cumulus.com/role/IncomeTaxesDetails", "shortName": "Income Taxes (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2QTD", "decimals": "3", "lang": null, "name": "us-gaap:EffectiveIncomeTaxRateContinuingOperations", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R44": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FI2020Q2", "decimals": "INF", "first": true, "lang": null, "name": "cmls:StockSharesAuthorized", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2415401 - Disclosure - Stockholders' Equity (Details)", "role": "http://www.cumulus.com/role/StockholdersEquityDetails", "shortName": "Stockholders' Equity (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FI2020Q2", "decimals": "INF", "first": true, "lang": null, "name": "cmls:StockSharesAuthorized", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R45": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2415402 - Disclosure - (Loss) Earnings Per Share (Details)", "role": "http://www.cumulus.com/role/LossEarningsPerShareDetails", "shortName": "(Loss) Earnings Per Share (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R46": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "D2015Q3Aug", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:LossContingencyClaimsDismissedNumber", "reportCount": 1, "unique": true, "unitRef": "claim", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2416401 - Disclosure - Commitments and Contingencies (Details)", "role": "http://www.cumulus.com/role/CommitmentsAndContingenciesDetails", "shortName": "Commitments and Contingencies (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "D2015Q3Aug", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:LossContingencyClaimsDismissedNumber", "reportCount": 1, "unique": true, "unitRef": "claim", "xsiNil": "false" } }, "R47": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "I2020Q3Aug7_us-gaap_SubsequentEventTypeAxis_us-gaap_SubsequentEventMember", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:AssetsHeldForSaleNotPartOfDisposalGroup", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2417401 - Disclosure - Subsequent Event (Details)", "role": "http://www.cumulus.com/role/SubsequentEventDetails", "shortName": "Subsequent Event (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "I2020Q3Aug7_us-gaap_SubsequentEventTypeAxis_us-gaap_SubsequentEventMember", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:AssetsHeldForSaleNotPartOfDisposalGroup", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R5": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FI2018Q4_us-gaap_StatementClassOfStockAxis_us-gaap_CommonClassAMember_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:SharesOutstanding", "reportCount": 1, "unitRef": "shares", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1004000 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS\u2019 EQUITY", "role": "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfStockholdersEquity", "shortName": "CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS\u2019 EQUITY", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2019Q1QTD", "decimals": "-3", "lang": null, "name": "us-gaap:NetIncomeLoss", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R6": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:NetIncomeLoss", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1005000 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS", "role": "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows", "shortName": "CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": "-3", "lang": null, "name": "cmls:AdjustmentDepreciationAndAmortization", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R7": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2101100 - Disclosure - Nature of Business, Interim Financial Data and Basis of Presentation", "role": "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentation", "shortName": "Nature of Business, Interim Financial Data and Basis of Presentation", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R8": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2102100 - Disclosure - Acquisitions and Dispositions", "role": "http://www.cumulus.com/role/AcquisitionsAndDispositions", "shortName": "Acquisitions and Dispositions", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R9": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RevenueFromContractWithCustomerTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2103100 - Disclosure - Revenues", "role": "http://www.cumulus.com/role/Revenues", "shortName": "Revenues", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "cmls-20200630x10q.htm", "contextRef": "FD2020Q2YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RevenueFromContractWithCustomerTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } } }, "segmentCount": 54, "tag": { "cmls_A2020RevolvingCreditFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2020 Revolving Credit Facility [Member]", "label": "2020 Revolving Credit Facility [Member]", "terseLabel": "2020 Revolving Credit Facility" } } }, "localname": "A2020RevolvingCreditFacilityMember", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/LongTermDebtScheduleOfDebtDetails" ], "xbrltype": "domainItemType" }, "cmls_AccumulatedAmortizationAssetsHeldforSale": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Accumulated Amortization, Assets Held for Sale", "label": "Accumulated Amortization, Assets Held for Sale", "terseLabel": "Assets held for sale (see Note 1)" } } }, "localname": "AccumulatedAmortizationAssetsHeldforSale", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "monetaryItemType" }, "cmls_AccumulatedAmortizationIntangibleAssetsDisposals": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Accumulated Amortization, Intangible Assets, Disposals", "label": "Accumulated Amortization, Intangible Assets, Disposals", "terseLabel": "Dispositions" } } }, "localname": "AccumulatedAmortizationIntangibleAssetsDisposals", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "monetaryItemType" }, "cmls_AdjustmentDepreciationAndAmortization": { "auth_ref": [], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The current period expense charged against earnings on long-lived, physical assets used in the normal conduct of business and not intended for resale to allocate or recognize the cost of assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset. Examples include buildings, production equipment and customer lists.", "label": "Adjustment Depreciation And Amortization", "terseLabel": "Depreciation and amortization" } } }, "localname": "AdjustmentDepreciationAndAmortization", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "cmls_AdvertisingRevenuesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Advertising Revenues [Member]", "label": "Advertising Revenues [Member]", "terseLabel": "Advertising revenues (broadcast, digital, non-traditional revenue (NTR) and trade)" } } }, "localname": "AdvertisingRevenuesMember", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/RevenuesDetails" ], "xbrltype": "domainItemType" }, "cmls_AffiliateStations": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Affiliate Stations", "label": "Affiliate Stations", "verboseLabel": "Number of affiliate stations" } } }, "localname": "AffiliateStations", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationNarrativeDetails" ], "xbrltype": "integerItemType" }, "cmls_AffiliateandProducerRelationshipsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Affiliate and Producer Relationships [Member]", "label": "Affiliate and Producer Relationships [Member]", "terseLabel": "Affiliate and producer relationships" } } }, "localname": "AffiliateandProducerRelationshipsMember", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "domainItemType" }, "cmls_AggregateObligationsOutstanding": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Aggregate obligations outstanding.", "label": "Aggregate Obligations Outstanding", "terseLabel": "Remaining aggregate obligation under the agreements with Nielsen Audio" } } }, "localname": "AggregateObligationsOutstanding", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "monetaryItemType" }, "cmls_AlternativeBaseRateMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Alternative Base Rate [Member]", "label": "Alternative Base Rate [Member]", "terseLabel": "Alternative Base Rate" } } }, "localname": "AlternativeBaseRateMember", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebt2020RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebtRefinancedCreditAgreementTermLoanDue2026Details" ], "xbrltype": "domainItemType" }, "cmls_AmortizationRightofUseAssets": { "auth_ref": [], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amortization, Right of Use Assets", "label": "Amortization, Right of Use Assets", "terseLabel": "Amortization of right of use assets" } } }, "localname": "AmortizationRightofUseAssets", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "cmls_AmortizationofOutstandingLoanPrincipalAmountQuarterlyInstallment": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Amortization of Outstanding Loan Principal Amount, Quarterly Installment", "label": "Amortization of Outstanding Loan Principal Amount, Quarterly Installment", "terseLabel": "Amortization of outstanding loan principal amount, quarterly installment" } } }, "localname": "AmortizationofOutstandingLoanPrincipalAmountQuarterlyInstallment", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/LongTermDebtRefinancedCreditAgreementTermLoanDue2026Details" ], "xbrltype": "percentItemType" }, "cmls_AssetsHeldforSalePolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Assets Held for Sale Policy [Policy Text Block]", "label": "Assets Held for Sale Policy [Policy Text Block]", "terseLabel": "Assets Held for Sale" } } }, "localname": "AssetsHeldforSalePolicyPolicyTextBlock", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationPolicies" ], "xbrltype": "textBlockItemType" }, "cmls_BorrowingBase": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Borrowing Base", "label": "Borrowing Base", "terseLabel": "Borrowing base" } } }, "localname": "BorrowingBase", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebt2020RevolvingCreditAgreementDetails" ], "xbrltype": "percentItemType" }, "cmls_BroadcastAdvertisingMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Broadcast Advertising [Member]", "label": "Broadcast Advertising [Member]", "terseLabel": "Broadcast advertising" } } }, "localname": "BroadcastAdvertisingMember", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "domainItemType" }, "cmls_ClassACommonStockPurchaseRightsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Class A Common Stock Purchase Rights [Member]", "label": "Class A Common Stock Purchase Rights [Member]", "terseLabel": "Class A common stock purchase rights" } } }, "localname": "ClassACommonStockPurchaseRightsMember", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "domainItemType" }, "cmls_DCLandMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "DC Land [Member]", "label": "DC Land [Member]", "terseLabel": "DC Land", "verboseLabel": "DC Land" } } }, "localname": "DCLandMember", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/AcquisitionsAndDispositionsDetails", "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationScheduleOfAssetsHeldForSaleDetails" ], "xbrltype": "domainItemType" }, "cmls_DebtCovenantCommitment": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Debt Covenant, Commitment", "label": "Debt Covenant, Commitment", "terseLabel": "Debt covenant, commitment" } } }, "localname": "DebtCovenantCommitment", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebt2020RevolvingCreditAgreementDetails" ], "xbrltype": "monetaryItemType" }, "cmls_DebtCovenantTotalCommitments": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Debt Covenant, Total Commitments", "label": "Debt Covenant, Total Commitments", "terseLabel": "Debt covenant, total commitments (as a percent)" } } }, "localname": "DebtCovenantTotalCommitments", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebt2020RevolvingCreditAgreementDetails" ], "xbrltype": "percentItemType" }, "cmls_DebtInstrumentRedemptionPeriod1Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Debt Instrument, Redemption, Period 1 [Member]", "label": "Debt Instrument, Redemption, Period 1 [Member]", "terseLabel": "2022" } } }, "localname": "DebtInstrumentRedemptionPeriod1Member", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/LongTermDebtDebtInstrumentRedemptionDetails" ], "xbrltype": "domainItemType" }, "cmls_DebtInstrumentRedemptionPeriod2Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Debt Instrument, Redemption, Period 2 [Member]", "label": "Debt Instrument, Redemption, Period 2 [Member]", "terseLabel": "2023" } } }, "localname": "DebtInstrumentRedemptionPeriod2Member", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/LongTermDebtDebtInstrumentRedemptionDetails" ], "xbrltype": "domainItemType" }, "cmls_DebtInstrumentRedemptionPeriod3Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Debt Instrument, Redemption, Period 3 [Member]", "label": "Debt Instrument, Redemption, Period 3 [Member]", "terseLabel": "2024 and thereafter" } } }, "localname": "DebtInstrumentRedemptionPeriod3Member", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/LongTermDebtDebtInstrumentRedemptionDetails" ], "xbrltype": "domainItemType" }, "cmls_DebtInstrumentRedemptionPeriod4Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Debt Instrument, Redemption, Period 4 [Member]", "label": "Debt Instrument, Redemption, Period 4 [Member]", "terseLabel": "Prior to July 1, 2022" } } }, "localname": "DebtInstrumentRedemptionPeriod4Member", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/LongTermDebt675SeniorNotesDetails" ], "xbrltype": "domainItemType" }, "cmls_DebtInstrumentReinvestmentRightPeriod": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Debt Instrument, Reinvestment Right Period", "label": "Debt Instrument, Reinvestment Right Period", "terseLabel": "Reinvestment right period" } } }, "localname": "DebtInstrumentReinvestmentRightPeriod", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/SubsequentEventDetails" ], "xbrltype": "durationItemType" }, "cmls_DescriptionOfBusinessPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Description of Business", "label": "Description Of Business Policy [Policy Text Block]", "terseLabel": "Description of Business" } } }, "localname": "DescriptionOfBusinessPolicyPolicyTextBlock", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationPolicies" ], "xbrltype": "textBlockItemType" }, "cmls_EarlyTerminationPenalty": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Early Termination Penalty", "label": "Early Termination Penalty", "terseLabel": "Premium for refinancing or repricing transactions prior to March 26, 2020" } } }, "localname": "EarlyTerminationPenalty", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/LongTermDebtRefinancedCreditAgreementTermLoanDue2026Details" ], "xbrltype": "percentItemType" }, "cmls_FCCLicensesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "FCC Licenses [Member]", "label": "FCC Licenses [Member]", "terseLabel": "FCC licenses" } } }, "localname": "FCCLicensesMember", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails", "http://www.cumulus.com/role/IntangibleAssetsNarrativeDetails" ], "xbrltype": "domainItemType" }, "cmls_FairValueLiabilitiesMeasuredOnRecurringBasisTradePriceRate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Fair value liabilities measured on recurring basis trade price rate.", "label": "Fair Value Liabilities Measured On Recurring Basis Trade Price Rate", "terseLabel": "Trading prices rate to calculate the fair value" } } }, "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisTradePriceRate", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/FairValueMeasurementsNarrativeDetails" ], "xbrltype": "percentItemType" }, "cmls_FederalFundsRateMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Federal Funds Rate [Member]", "label": "Federal Funds Rate [Member]", "terseLabel": "Federal Funds Rate" } } }, "localname": "FederalFundsRateMember", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebtRefinancedCreditAgreementTermLoanDue2026Details" ], "xbrltype": "domainItemType" }, "cmls_FiniteLivedIntangibleAssetsAccumulatedAmortizationActivityRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Finite-Lived Intangible Assets, Accumulated Amortization Activity [Roll Forward]", "label": "Finite-Lived Intangible Assets, Accumulated Amortization Activity [Roll Forward]", "terseLabel": "Finite-Lived Intangible Assets, Accumulated Amortization Activity [Roll Forward]" } } }, "localname": "FiniteLivedIntangibleAssetsAccumulatedAmortizationActivityRollForward", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "stringItemType" }, "cmls_FiniteLivedIntangibleAssetsPeriodIncreaseDecreaseAssetsHeldForSale": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Finite-Lived Intangible Assets, Period Increase (Decrease), Assets Held For Sale", "label": "Finite-Lived Intangible Assets, Period Increase (Decrease), Assets Held For Sale", "terseLabel": "Assets held for sale (see Note 1)" } } }, "localname": "FiniteLivedIntangibleAssetsPeriodIncreaseDecreaseAssetsHeldForSale", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "monetaryItemType" }, "cmls_FixedChargeCoverageRatio": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Fixed Charge Coverage Ratio", "label": "Fixed Charge Coverage Ratio", "terseLabel": "Fixed charge coverage ratio" } } }, "localname": "FixedChargeCoverageRatio", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebt2020RevolvingCreditAgreementDetails" ], "xbrltype": "pureItemType" }, "cmls_IncreaseDecreaseinOperatingLeaseRightofUse": { "auth_ref": [], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 13.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Increase (Decrease) in Operating Lease Right of Use", "label": "Increase (Decrease) in Operating Lease Right of Use", "negatedTerseLabel": "Operating leases" } } }, "localname": "IncreaseDecreaseinOperatingLeaseRightofUse", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "cmls_IndefiniteLivedIntangibleAssetsNet": { "auth_ref": [], "calculation": { "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails": { "order": 2.0, "parentTag": "us-gaap_IntangibleAssetsNetExcludingGoodwill", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Indefinite-Lived Intangible Assets, Net", "label": "Indefinite-Lived Intangible Assets, Net", "totalLabel": "Net Book Value" } } }, "localname": "IndefiniteLivedIntangibleAssetsNet", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "monetaryItemType" }, "cmls_IndefiniteLivedIntangibleAssetsPeriodIncreaseDecreaseAssetsHeldForSale": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Indefinite-Lived Intangible Assets, Period Increase (Decrease), Assets Held For Sale", "label": "Indefinite-Lived Intangible Assets, Period Increase (Decrease), Assets Held For Sale", "terseLabel": "Assets held for sale (see Note 1)" } } }, "localname": "IndefiniteLivedIntangibleAssetsPeriodIncreaseDecreaseAssetsHeldForSale", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "monetaryItemType" }, "cmls_IntangibleAssetsActivityRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Intangible Assets Activity [Roll Forward]", "label": "Intangible Assets Activity [Roll Forward]", "terseLabel": "Intangible Assets Activity [Roll Forward]" } } }, "localname": "IntangibleAssetsActivityRollForward", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "stringItemType" }, "cmls_IntangibleAssetsAssetsHeldForSale": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Intangible Assets, Increase (Decrease) Assets Held For Sale", "label": "Intangible Assets, Assets Held For Sale", "terseLabel": "Assets held for sale (see Note 1)" } } }, "localname": "IntangibleAssetsAssetsHeldForSale", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "monetaryItemType" }, "cmls_IntangibleAssetsPeriodIncreaseDecrease": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Intangible Assets, Period Increase (Decrease)", "label": "Intangible Assets, Period Increase (Decrease)", "terseLabel": "Dispositions" } } }, "localname": "IntangibleAssetsPeriodIncreaseDecrease", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "monetaryItemType" }, "cmls_LesseeSalestypeLeaseLeasePayment": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Lessee, Sales-type Lease, Lease Payment", "label": "Lessee, Sales-type Lease, Lease Payment", "terseLabel": "Lease payment potentially due" } } }, "localname": "LesseeSalestypeLeaseLeasePayment", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/SubsequentEventDetails" ], "xbrltype": "monetaryItemType" }, "cmls_LesseeSalestypeLeaseOptionalRenewalPeriods": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Lessee, Sales-type Lease, Optional Renewal Periods", "label": "Lessee, Sales-type Lease, Optional Renewal Periods", "terseLabel": "Optional renewal periods" } } }, "localname": "LesseeSalestypeLeaseOptionalRenewalPeriods", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/SubsequentEventDetails" ], "xbrltype": "integerItemType" }, "cmls_LesseeSalestypeLeaseRenewalTerm": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Lessee, Sales-type Lease, Renewal Term", "label": "Lessee, Sales-type Lease, Renewal Term", "terseLabel": "Renewal term" } } }, "localname": "LesseeSalestypeLeaseRenewalTerm", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/SubsequentEventDetails" ], "xbrltype": "durationItemType" }, "cmls_LesseeSalestypeLeaseTermofContract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Lessee, Sales-type Lease, Term of Contract", "label": "Lessee, Sales-type Lease, Term of Contract", "terseLabel": "Term of contract" } } }, "localname": "LesseeSalestypeLeaseTermofContract", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/SubsequentEventDetails" ], "xbrltype": "durationItemType" }, "cmls_NielsenAudioMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Nielsen Audio [Member]", "label": "Nielsen Audio [Member]", "terseLabel": "Nielson Audio" } } }, "localname": "NielsenAudioMember", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "domainItemType" }, "cmls_NonAdvertisingRevenuesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Non-Advertising Revenues [Member]", "label": "Non-Advertising Revenues [Member]", "terseLabel": "Non-advertising revenues (tower rental and other)" } } }, "localname": "NonAdvertisingRevenuesMember", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/RevenuesDetails" ], "xbrltype": "domainItemType" }, "cmls_NoncashIntangibleAmortization": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Noncash Intangible Amortization", "label": "Noncash Intangible Amortization", "terseLabel": "Noncash intangible amortization" } } }, "localname": "NoncashIntangibleAmortization", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/SubsequentEventDetails" ], "xbrltype": "monetaryItemType" }, "cmls_NumberOfMarkets": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of Markets", "label": "Number Of Markets", "terseLabel": "Number of markets" } } }, "localname": "NumberOfMarkets", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationNarrativeDetails" ], "xbrltype": "integerItemType" }, "cmls_NumberofOwnedandOperatedStations": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of Owned and Operated Stations", "label": "Number of Owned and Operated Stations", "terseLabel": "Number of owned-and-operated stations" } } }, "localname": "NumberofOwnedandOperatedStations", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationNarrativeDetails" ], "xbrltype": "integerItemType" }, "cmls_OtherFiniteLivedMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Other, Finite Lived [Member]", "label": "Other, Finite Lived [Member]", "terseLabel": "Other" } } }, "localname": "OtherFiniteLivedMember", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "domainItemType" }, "cmls_OwnershipPercentageIndividual": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Ownership Percentage, Individual", "label": "Ownership Percentage, Individual", "terseLabel": "Ownership percentage, individual" } } }, "localname": "OwnershipPercentageIndividual", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/StockholdersEquityDetails" ], "xbrltype": "percentItemType" }, "cmls_OwnershipPercentageInvestor": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Ownership Percentage, Investor", "label": "Ownership Percentage, Investor", "terseLabel": "Ownership percentage, investor" } } }, "localname": "OwnershipPercentageInvestor", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/StockholdersEquityDetails" ], "xbrltype": "percentItemType" }, "cmls_PercentageofTowerstoAcquireClosingCondition": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Percentage of Towers to Acquire, Closing Condition", "label": "Percentage of Towers to Acquire, Closing Condition", "terseLabel": "Towers to acquire, closing condition" } } }, "localname": "PercentageofTowerstoAcquireClosingCondition", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/SubsequentEventDetails" ], "xbrltype": "percentItemType" }, "cmls_PercentageofTowerstoAcquireClosingConditionAtFirstClosing": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Percentage of Towers to Acquire, Closing Condition At First Closing", "label": "Percentage of Towers to Acquire, Closing Condition At First Closing", "terseLabel": "Towers to acquire, closing condition, at first closing" } } }, "localname": "PercentageofTowerstoAcquireClosingConditionAtFirstClosing", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/SubsequentEventDetails" ], "xbrltype": "percentItemType" }, "cmls_PotentialLossofRentalIncome": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Potential Loss of Rental Income", "label": "Potential Loss of Rental Income", "terseLabel": "Potential loss of rental income" } } }, "localname": "PotentialLossofRentalIncome", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/SubsequentEventDetails" ], "xbrltype": "monetaryItemType" }, "cmls_PotentialReductionofDirectOperatingExpenses": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Potential Reduction of Direct Operating Expenses", "label": "Potential Reduction of Direct Operating Expenses", "terseLabel": "Reduction of direct operating expenses" } } }, "localname": "PotentialReductionofDirectOperatingExpenses", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/SubsequentEventDetails" ], "xbrltype": "monetaryItemType" }, "cmls_SeniorNotes6.75Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Senior Notes 6.75 [Member]", "label": "Senior Notes 6.75 [Member]", "terseLabel": "6.75% Senior Notes" } } }, "localname": "SeniorNotes6.75Member", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheetsParenthetical", "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows", "http://www.cumulus.com/role/FairValueMeasurementsGrossAmountsAndFairValueOfDebtDetails", "http://www.cumulus.com/role/FairValueMeasurementsNarrativeDetails", "http://www.cumulus.com/role/LongTermDebt675SeniorNotesDetails", "http://www.cumulus.com/role/LongTermDebtDebtInstrumentRedemptionDetails", "http://www.cumulus.com/role/LongTermDebtScheduleOfDebtDetails", "http://www.cumulus.com/role/SubsequentEventDetails" ], "xbrltype": "domainItemType" }, "cmls_Series2WarrantsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Series 2 Warrants [Member]", "label": "Series 2 Warrants [Member]", "terseLabel": "Series 2 warrants" } } }, "localname": "Series2WarrantsMember", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/StockholdersEquityDetails" ], "xbrltype": "domainItemType" }, "cmls_SeriesIWarrantsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Series I Warrants [Member]", "label": "Series I Warrants [Member]", "terseLabel": "Series I Warrants" } } }, "localname": "SeriesIWarrantsMember", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/StockholdersEquityDetails" ], "xbrltype": "domainItemType" }, "cmls_StockSharesAuthorized": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Stock shares authorized.", "label": "Stock Shares Authorized", "terseLabel": "Stock shares authorized (in shares)" } } }, "localname": "StockSharesAuthorized", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/StockholdersEquityDetails" ], "xbrltype": "sharesItemType" }, "cmls_SwingLineLoansMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Swing Line Loans [Member]", "label": "Swing Line Loans [Member]", "terseLabel": "Swing Line Loans" } } }, "localname": "SwingLineLoansMember", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/LongTermDebt2020RevolvingCreditAgreementDetails" ], "xbrltype": "domainItemType" }, "cmls_TaxWithholdingPaidOnBehalfOfEmployees": { "auth_ref": [], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Tax withholding paid on behalf of employees.", "label": "Tax Withholding Paid On Behalf Of Employees", "negatedLabel": "Shares returned in lieu of tax payments" } } }, "localname": "TaxWithholdingPaidOnBehalfOfEmployees", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "cmls_TermLoanDue2026Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Term Loan Due 2026 [Member]", "label": "Term Loan Due 2026 [Member]", "terseLabel": "Term Loan Due 2026" } } }, "localname": "TermLoanDue2026Member", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/FairValueMeasurementsGrossAmountsAndFairValueOfDebtDetails", "http://www.cumulus.com/role/FairValueMeasurementsNarrativeDetails", "http://www.cumulus.com/role/LongTermDebtRefinancedCreditAgreementTermLoanDue2026Details" ], "xbrltype": "domainItemType" }, "cmls_TermLoanMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Term loan.", "label": "Term Loan [Member]", "terseLabel": "Term Loan due 2026" } } }, "localname": "TermLoanMember", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/LongTermDebtScheduleOfDebtDetails" ], "xbrltype": "domainItemType" }, "cmls_TowerIncomeContractsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tower Income Contracts [Member]", "label": "Tower Income Contracts [Member]", "terseLabel": "Tower income contracts" } } }, "localname": "TowerIncomeContractsMember", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "domainItemType" }, "cmls_TradeReceivable": { "auth_ref": [], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Trade receivable.", "label": "Trade Receivable", "terseLabel": "Trade receivable" } } }, "localname": "TradeReceivable", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "cmls_TradeandBarterTransactionsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Trade and Barter Transactions [Member]", "label": "Trade and Barter Transactions [Member]", "terseLabel": "Advertising Barter Transactions", "verboseLabel": "Trade" } } }, "localname": "TradeandBarterTransactionsMember", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationCondensedSupplementalCashFlowDetails", "http://www.cumulus.com/role/RevenuesDetails" ], "xbrltype": "domainItemType" }, "cmls_TreasurySharesWithheldforTaxes": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Treasury Shares, Withheld for Taxes", "label": "Treasury Shares, Withheld for Taxes", "negatedTerseLabel": "Shares returned in lieu of tax payments" } } }, "localname": "TreasurySharesWithheldforTaxes", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "monetaryItemType" }, "cmls_TreasurySharesWithheldforTaxesShares": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Treasury Shares, Withheld for Taxes, Shares", "label": "Treasury Shares, Withheld for Taxes, Shares", "terseLabel": "Shares returned in lieu of tax payments (in shares)" } } }, "localname": "TreasurySharesWithheldforTaxesShares", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "sharesItemType" }, "cmls_WABCSaleMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "WABC Sale [Member]", "label": "WABC Sale [Member]", "terseLabel": "WABC Sale", "verboseLabel": "WABC-AM" } } }, "localname": "WABCSaleMember", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/AcquisitionsAndDispositionsDetails", "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationScheduleOfAssetsHeldForSaleDetails" ], "xbrltype": "domainItemType" }, "cmls_WarrantsExercisedDuringPeriod": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Warrants Exercised During Period", "label": "Warrants Exercised During Period", "terseLabel": "Exercise of warrants (in shares)" } } }, "localname": "WarrantsExercisedDuringPeriod", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "sharesItemType" }, "cmls_WarrantsIssuedForPurchaseOfStockShares": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Warrants Issued For Purchase Of Stock Shares", "label": "Warrants Issued For Purchase Of Stock Shares", "terseLabel": "Number of warrants issued (shares)" } } }, "localname": "WarrantsIssuedForPurchaseOfStockShares", "nsuri": "http://www.cumulus.com/20200630", "presentation": [ "http://www.cumulus.com/role/StockholdersEquityDetails" ], "xbrltype": "sharesItemType" }, "dei_AmendmentFlag": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.", "label": "Amendment Flag", "terseLabel": "Amendment Flag" } } }, "localname": "AmendmentFlag", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "booleanItemType" }, "dei_CityAreaCode": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Area code of city", "label": "City Area Code", "terseLabel": "City Area Code" } } }, "localname": "CityAreaCode", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "normalizedStringItemType" }, "dei_CoverAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Cover page.", "label": "Cover [Abstract]" } } }, "localname": "CoverAbstract", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "xbrltype": "stringItemType" }, "dei_CurrentFiscalYearEndDate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "End date of current fiscal year in the format --MM-DD.", "label": "Current Fiscal Year End Date", "terseLabel": "Current Fiscal Year End Date" } } }, "localname": "CurrentFiscalYearEndDate", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "gMonthDayItemType" }, "dei_DocumentFiscalPeriodFocus": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Fiscal period values are FY, Q1, Q2, and Q3. 1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.", "label": "Document Fiscal Period Focus", "terseLabel": "Document Fiscal Period Focus" } } }, "localname": "DocumentFiscalPeriodFocus", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "fiscalPeriodItemType" }, "dei_DocumentFiscalYearFocus": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "This is focus fiscal year of the document report in CCYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.", "label": "Document Fiscal Year Focus", "terseLabel": "Document Fiscal Year Focus" } } }, "localname": "DocumentFiscalYearFocus", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "gYearItemType" }, "dei_DocumentPeriodEndDate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.", "label": "Document Period End Date", "terseLabel": "Document Period End Date" } } }, "localname": "DocumentPeriodEndDate", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "dateItemType" }, "dei_DocumentQuarterlyReport": { "auth_ref": [ "r408" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true only for a form used as an quarterly report.", "label": "Document Quarterly Report", "terseLabel": "Document Quarterly Report" } } }, "localname": "DocumentQuarterlyReport", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "booleanItemType" }, "dei_DocumentTransitionReport": { "auth_ref": [ "r409" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true only for a form used as a transition report.", "label": "Document Transition Report", "terseLabel": "Document Transition Report" } } }, "localname": "DocumentTransitionReport", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "booleanItemType" }, "dei_DocumentType": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.", "label": "Document Type", "terseLabel": "Document Type" } } }, "localname": "DocumentType", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "submissionTypeItemType" }, "dei_EntitiesTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Container to assemble all relevant information about each entity associated with the document instance", "label": "Entities [Table]", "terseLabel": "Entities [Table]" } } }, "localname": "EntitiesTable", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "stringItemType" }, "dei_EntityAddressAddressLine1": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Address Line 1 such as Attn, Building Name, Street Name", "label": "Entity Address, Address Line One", "terseLabel": "Entity Address, Address Line One" } } }, "localname": "EntityAddressAddressLine1", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressAddressLine2": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Address Line 2 such as Street or Suite number", "label": "Entity Address, Address Line Two", "terseLabel": "Entity Address, Address Line Two" } } }, "localname": "EntityAddressAddressLine2", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressCityOrTown": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Name of the City or Town", "label": "Entity Address, City or Town", "terseLabel": "Entity Address, City or Town" } } }, "localname": "EntityAddressCityOrTown", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressPostalZipCode": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Code for the postal or zip code", "label": "Entity Address, Postal Zip Code", "terseLabel": "Entity Address, Postal Zip Code" } } }, "localname": "EntityAddressPostalZipCode", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressStateOrProvince": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Name of the state or province.", "label": "Entity Address, State or Province", "terseLabel": "Entity Address, State or Province" } } }, "localname": "EntityAddressStateOrProvince", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "stateOrProvinceItemType" }, "dei_EntityBankruptcyProceedingsReportingCurrent": { "auth_ref": [ "r407" ], "lang": { "en-US": { "role": { "documentation": "For registrants involved in bankruptcy proceedings during the preceding five years, the value Yes indicates that the registrant has filed all documents and reports required to be filed by Section 12, 13 or 15(d) of the Securities Exchange Act of 1934 subsequent to the distribution of securities under a plan confirmed by a court; the value No indicates the registrant has not. Registrants not involved in bankruptcy proceedings during the preceding five years should not report this element.", "label": "Entity Bankruptcy Proceedings, Reporting Current", "terseLabel": "Entity Bankruptcy Proceedings, Reporting Current" } } }, "localname": "EntityBankruptcyProceedingsReportingCurrent", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "booleanItemType" }, "dei_EntityCentralIndexKey": { "auth_ref": [ "r410" ], "lang": { "en-US": { "role": { "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.", "label": "Entity Central Index Key", "terseLabel": "Entity Central Index Key" } } }, "localname": "EntityCentralIndexKey", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "centralIndexKeyItemType" }, "dei_EntityCommonStockSharesOutstanding": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.", "label": "Entity Common Stock, Shares Outstanding", "terseLabel": "Entity Common Stock, Shares Outstanding" } } }, "localname": "EntityCommonStockSharesOutstanding", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "sharesItemType" }, "dei_EntityCurrentReportingStatus": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.", "label": "Entity Current Reporting Status", "terseLabel": "Entity Current Reporting Status" } } }, "localname": "EntityCurrentReportingStatus", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "yesNoItemType" }, "dei_EntityEmergingGrowthCompany": { "auth_ref": [ "r410" ], "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/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "booleanItemType" }, "dei_EntityFileNumber": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.", "label": "Entity File Number", "terseLabel": "Entity File Number" } } }, "localname": "EntityFileNumber", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "fileNumberItemType" }, "dei_EntityFilerCategory": { "auth_ref": [ "r410" ], "lang": { "en-US": { "role": { "documentation": "Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.", "label": "Entity Filer Category", "terseLabel": "Entity Filer Category" } } }, "localname": "EntityFilerCategory", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "filerCategoryItemType" }, "dei_EntityIncorporationStateCountryCode": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Two-character EDGAR code representing the state or country of incorporation.", "label": "Entity Incorporation, State or Country Code", "terseLabel": "Entity Incorporation, State or Country Code" } } }, "localname": "EntityIncorporationStateCountryCode", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "edgarStateCountryItemType" }, "dei_EntityInformationLineItems": { "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": "Entity Information [Line Items]", "terseLabel": "Entity Information [Line Items]" } } }, "localname": "EntityInformationLineItems", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "stringItemType" }, "dei_EntityInteractiveDataCurrent": { "auth_ref": [ "r411" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).", "label": "Entity Interactive Data Current", "terseLabel": "Entity Interactive Data Current" } } }, "localname": "EntityInteractiveDataCurrent", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "yesNoItemType" }, "dei_EntityRegistrantName": { "auth_ref": [ "r410" ], "lang": { "en-US": { "role": { "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.", "label": "Entity Registrant Name", "terseLabel": "Entity Registrant Name" } } }, "localname": "EntityRegistrantName", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityShellCompany": { "auth_ref": [ "r410" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.", "label": "Entity Shell Company", "terseLabel": "Entity Shell Company" } } }, "localname": "EntityShellCompany", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "booleanItemType" }, "dei_EntitySmallBusiness": { "auth_ref": [ "r410" ], "lang": { "en-US": { "role": { "documentation": "Indicates that the company is a Smaller Reporting Company (SRC).", "label": "Entity Small Business", "terseLabel": "Entity Small Business" } } }, "localname": "EntitySmallBusiness", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "booleanItemType" }, "dei_EntityTaxIdentificationNumber": { "auth_ref": [ "r410" ], "lang": { "en-US": { "role": { "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.", "label": "Entity Tax Identification Number", "terseLabel": "Entity Tax Identification Number" } } }, "localname": "EntityTaxIdentificationNumber", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "employerIdItemType" }, "dei_LocalPhoneNumber": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Local phone number for entity.", "label": "Local Phone Number", "terseLabel": "Local Phone Number" } } }, "localname": "LocalPhoneNumber", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "normalizedStringItemType" }, "dei_NoTradingSymbolFlag": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true only for a security having no trading symbol.", "label": "No Trading Symbol Flag", "terseLabel": "No Trading Symbol Flag" } } }, "localname": "NoTradingSymbolFlag", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "booleanItemType" }, "dei_Security12bTitle": { "auth_ref": [ "r405" ], "lang": { "en-US": { "role": { "documentation": "Title of a 12(b) registered security.", "label": "Title of 12(b) Security", "terseLabel": "Title of 12(b) Security" } } }, "localname": "Security12bTitle", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "securityTitleItemType" }, "dei_SecurityExchangeName": { "auth_ref": [ "r406" ], "lang": { "en-US": { "role": { "documentation": "Name of the Exchange on which a security is registered.", "label": "Security Exchange Name", "terseLabel": "Security Exchange Name" } } }, "localname": "SecurityExchangeName", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "edgarExchangeCodeItemType" }, "dei_TradingSymbol": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Trading symbol of an instrument as listed on an exchange.", "label": "Trading Symbol", "terseLabel": "Trading Symbol" } } }, "localname": "TradingSymbol", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.cumulus.com/role/Cover" ], "xbrltype": "tradingSymbolItemType" }, "srt_CondensedFinancialStatementsCaptionsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Condensed Financial Statements, Captions [Line Items]", "terseLabel": "Condensed Financial Statements, Captions [Line Items]" } } }, "localname": "CondensedFinancialStatementsCaptionsLineItems", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "stringItemType" }, "srt_MaximumMember": { "auth_ref": [ "r264", "r266", "r342", "r343", "r344", "r345", "r346", "r347", "r366", "r397", "r399" ], "lang": { "en-US": { "role": { "documentation": "Upper limit of the provided range.", "label": "Maximum [Member]", "terseLabel": "Maximum" } } }, "localname": "MaximumMember", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsAssumptionOnImpairmentDetails", "http://www.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/RevenuesDetails" ], "xbrltype": "domainItemType" }, "srt_MinimumMember": { "auth_ref": [ "r264", "r266", "r342", "r343", "r344", "r345", "r346", "r347", "r366", "r397", "r399" ], "lang": { "en-US": { "role": { "documentation": "Lower limit of the provided range.", "label": "Minimum [Member]", "terseLabel": "Minimum" } } }, "localname": "MinimumMember", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsAssumptionOnImpairmentDetails", "http://www.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebtRefinancedCreditAgreementTermLoanDue2026Details", "http://www.cumulus.com/role/RevenuesDetails" ], "xbrltype": "domainItemType" }, "srt_ProductOrServiceAxis": { "auth_ref": [ "r156", "r243", "r246", "r367", "r396", "r398" ], "lang": { "en-US": { "role": { "documentation": "Information by product and service, or group of similar products and similar services.", "label": "Product and Service [Axis]", "terseLabel": "Product and Service [Axis]" } } }, "localname": "ProductOrServiceAxis", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationCondensedSupplementalCashFlowDetails", "http://www.cumulus.com/role/RevenuesDetails" ], "xbrltype": "stringItemType" }, "srt_ProductsAndServicesDomain": { "auth_ref": [ "r156", "r243", "r246", "r367", "r396", "r398" ], "lang": { "en-US": { "role": { "documentation": "Product or service, or a group of similar products or similar services.", "label": "Product and Service [Domain]", "terseLabel": "Product and Service [Domain]" } } }, "localname": "ProductsAndServicesDomain", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationCondensedSupplementalCashFlowDetails", "http://www.cumulus.com/role/RevenuesDetails" ], "xbrltype": "domainItemType" }, "srt_RangeAxis": { "auth_ref": [ "r254", "r264", "r266", "r342", "r343", "r344", "r345", "r346", "r347", "r366", "r397", "r399" ], "lang": { "en-US": { "role": { "documentation": "Information by statistical measurement. Includes, but is not limited to, minimum, maximum, weighted average, arithmetic average, and median.", "label": "Statistical Measurement [Axis]", "terseLabel": "Statistical Measurement [Axis]" } } }, "localname": "RangeAxis", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsAssumptionOnImpairmentDetails", "http://www.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebtRefinancedCreditAgreementTermLoanDue2026Details", "http://www.cumulus.com/role/RevenuesDetails" ], "xbrltype": "stringItemType" }, "srt_RangeMember": { "auth_ref": [ "r254", "r264", "r266", "r342", "r343", "r344", "r345", "r346", "r347", "r366", "r397", "r399" ], "lang": { "en-US": { "role": { "documentation": "Statistical measurement. Includes, but is not limited to, minimum, maximum, weighted average, arithmetic average, and median.", "label": "Statistical Measurement [Domain]", "terseLabel": "Statistical Measurement [Domain]" } } }, "localname": "RangeMember", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsAssumptionOnImpairmentDetails", "http://www.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebtRefinancedCreditAgreementTermLoanDue2026Details", "http://www.cumulus.com/role/RevenuesDetails" ], "xbrltype": "domainItemType" }, "srt_ScheduleOfCondensedCashFlowStatementTableTextBlock": { "auth_ref": [ "r413" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of condensed cash flow statement, including, but not limited to, cash flow statements of consolidated entities and consolidation eliminations.", "label": "Condensed Cash Flow Statement [Table Text Block]", "terseLabel": "Condensed Cash Flow Statement" } } }, "localname": "ScheduleOfCondensedCashFlowStatementTableTextBlock", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationTables" ], "xbrltype": "textBlockItemType" }, "srt_ScheduleOfCondensedFinancialStatementsTable": { "auth_ref": [ "r89", "r296", "r412", "r414", "r415", "r416" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about condensed financial statements, including, but not limited to, the balance sheet, income statement, and statement of cash flows.", "label": "Condensed Financial Statements [Table]", "terseLabel": "Schedule of Condensed Financial Statements [Table]" } } }, "localname": "ScheduleOfCondensedFinancialStatementsTable", "nsuri": "http://fasb.org/srt/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent": { "auth_ref": [ "r41" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "order": 1.0, "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 obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.", "label": "Accounts Payable and Accrued Liabilities, Current", "terseLabel": "Accounts payable and accrued expenses" } } }, "localname": "AccountsPayableAndAccruedLiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccountsPayableTradeCurrent": { "auth_ref": [ "r17", "r39" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "order": 3.0, "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 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, Trade, Current", "terseLabel": "Trade payable" } } }, "localname": "AccountsPayableTradeCurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccountsReceivableNetCurrent": { "auth_ref": [ "r14", "r27", "r159", "r160" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "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, less allowance for doubtful accounts of $6,405 and $5,197 at June 30, 2020 and December 31, 2019, respectively" } } }, "localname": "AccountsReceivableNetCurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdditionalPaidInCapitalCommonStock": { "auth_ref": [ "r28" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "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", "verboseLabel": "Additional paid-in-capital" } } }, "localname": "AdditionalPaidInCapitalCommonStock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdditionalPaidInCapitalMember": { "auth_ref": [ "r91", "r92", "r93", "r269", "r270", "r271" ], "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.cumulus.com/role/CondensedConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue": { "auth_ref": [ "r267", "r268", "r273", "r274" ], "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 expense" } } }, "localname": "AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfStockholdersEquity" ], "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]", "verboseLabel": "Adjustments to reconcile net (loss) income to net cash provided by operating activities:" } } }, "localname": "AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent": { "auth_ref": [ "r33", "r161", "r169" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of allowance for credit loss on accounts receivable, classified as current.", "label": "Accounts Receivable, Allowance for Credit Loss, Current", "terseLabel": "Allowance for doubtful accounts" } } }, "localname": "AllowanceForDoubtfulAccountsReceivableCurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "monetaryItemType" }, "us-gaap_AlternativeInvestmentMeasurementInput": { "auth_ref": [ "r308" ], "lang": { "en-US": { "role": { "documentation": "Value of input used to measure alternative investment.", "label": "Alternative Investment, Measurement Input", "terseLabel": "Alternative Investment, Measurement Input" } } }, "localname": "AlternativeInvestmentMeasurementInput", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsAssumptionOnImpairmentDetails" ], "xbrltype": "decimalItemType" }, "us-gaap_AmortizationOfFinancingCostsAndDiscounts": { "auth_ref": [ "r74", "r325" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.", "label": "Amortization of Debt Issuance Costs and Discounts", "terseLabel": "Amortization of debt issuance costs/discounts" } } }, "localname": "AmortizationOfFinancingCostsAndDiscounts", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_AmortizationOfIntangibleAssets": { "auth_ref": [ "r74", "r182", "r189" ], "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", "negatedLabel": "Amortization Expense" } } }, "localname": "AmortizationOfIntangibleAssets", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetImpairmentCharges": { "auth_ref": [ "r74", "r196" ], "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", "negatedTerseLabel": "Impairment charges" } } }, "localname": "AssetImpairmentCharges", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_Assets": { "auth_ref": [ "r84", "r145", "r148", "r154", "r167", "r297", "r299", "r313", "r371", "r384" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "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.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "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.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_AssetsCurrent": { "auth_ref": [ "r15", "r16", "r51", "r84", "r167", "r297", "r299", "r313" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "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.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "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.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_AssetsHeldForSaleNotPartOfDisposalGroup": { "auth_ref": [ "r195" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of assets held-for-sale that are not part of a disposal group.", "label": "Assets Held-for-sale, Not Part of Disposal Group", "terseLabel": "Assets held-for-sale" } } }, "localname": "AssetsHeldForSaleNotPartOfDisposalGroup", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/SubsequentEventDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsHeldForSaleNotPartOfDisposalGroupCurrent": { "auth_ref": [ "r195" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of assets held-for-sale that are not part of a disposal group, expected to be sold within a year or the normal operating cycle, if longer.", "label": "Assets Held-for-sale, Not Part of Disposal Group, Current", "terseLabel": "Assets held for sale" } } }, "localname": "AssetsHeldForSaleNotPartOfDisposalGroupCurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets", "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationScheduleOfAssetsHeldForSaleDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AvailableForSaleSecuritiesDebtSecurities": { "auth_ref": [ "r163", "r164", "r176", "r376" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).", "label": "Debt Securities, Available-for-sale", "terseLabel": "Debt securities" } } }, "localname": "AvailableForSaleSecuritiesDebtSecurities", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/FairValueMeasurementsGrossAmountsAndFairValueOfDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BasisOfAccountingPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).", "label": "Basis of Accounting, Policy [Policy Text Block]", "terseLabel": "Basis of Presentation" } } }, "localname": "BasisOfAccountingPolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_CashAndCashEquivalentsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Cash and Cash Equivalents [Abstract]" } } }, "localname": "CashAndCashEquivalentsAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_CashAndCashEquivalentsAtCarryingValue": { "auth_ref": [ "r13", "r36", "r76" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 }, "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationCondensedSupplementalCashFlowDetails": { "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" } } }, "localname": "CashAndCashEquivalentsAtCarryingValue", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets", "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationCondensedSupplementalCashFlowDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": { "auth_ref": [ "r70", "r76", "r81" ], "calculation": { "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationCondensedSupplementalCashFlowDetails": { "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 and cash equivalents and restricted cash at end of period", "periodStartLabel": "Cash and cash equivalents and restricted cash at beginning of period", "totalLabel": "Total cash and cash equivalents and restricted cash" } } }, "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows", "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationCondensedSupplementalCashFlowDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]", "terseLabel": "Reconciliation of cash and cash equivalents and restricted cash to the Condensed Consolidated Balance Sheet:" } } }, "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationCondensedSupplementalCashFlowDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect": { "auth_ref": [ "r70", "r314" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.", "label": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect", "totalLabel": "Increase (decrease) in cash and cash equivalents and restricted cash" } } }, "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ClassOfStockDomain": { "auth_ref": [ "r82", "r84", "r108", "r112", "r113", "r117", "r121", "r129", "r130", "r131", "r167", "r313" ], "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.cumulus.com/role/CondensedConsolidatedBalanceSheets", "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheetsParenthetical", "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfStockholdersEquity", "http://www.cumulus.com/role/Cover", "http://www.cumulus.com/role/StockholdersEquityDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ClassOfStockLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Class of Stock [Line Items]", "terseLabel": "Class of Stock [Line Items]" } } }, "localname": "ClassOfStockLineItems", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/StockholdersEquityDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1": { "auth_ref": [ "r222" ], "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": "Warrants exercise price (USD per share)" } } }, "localname": "ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/StockholdersEquityDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_CommitmentsAndContingencies": { "auth_ref": [ "r47", "r208", "r377", "r391" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.", "label": "Commitments and Contingencies", "terseLabel": "Commitments and contingencies (Note 11)" } } }, "localname": "CommitmentsAndContingencies", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_CommitmentsAndContingenciesDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Commitments and Contingencies Disclosure [Abstract]" } } }, "localname": "CommitmentsAndContingenciesDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock": { "auth_ref": [ "r205", "r206", "r207", "r209" ], "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.cumulus.com/role/CommitmentsAndContingencies" ], "xbrltype": "textBlockItemType" }, "us-gaap_CommonClassAMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Classification of common stock representing ownership interest in a corporation.", "label": "Common Class A [Member]", "terseLabel": "Class A common stock" } } }, "localname": "CommonClassAMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets", "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheetsParenthetical", "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfStockholdersEquity", "http://www.cumulus.com/role/Cover", "http://www.cumulus.com/role/StockholdersEquityDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CommonClassBMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Classification of common stock that has different rights than Common Class A, representing ownership interest in a corporation.", "label": "Common Class B [Member]", "verboseLabel": "Class B Common Stock" } } }, "localname": "CommonClassBMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets", "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheetsParenthetical", "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfStockholdersEquity", "http://www.cumulus.com/role/Cover", "http://www.cumulus.com/role/StockholdersEquityDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CommonStockMember": { "auth_ref": [ "r91", "r92" ], "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.cumulus.com/role/CondensedConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_CommonStockParOrStatedValuePerShare": { "auth_ref": [ "r26" ], "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 (usd per share)" } } }, "localname": "CommonStockParOrStatedValuePerShare", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "perShareItemType" }, "us-gaap_CommonStockSharesAuthorized": { "auth_ref": [ "r26" ], "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.cumulus.com/role/CondensedConsolidatedBalanceSheetsParenthetical", "http://www.cumulus.com/role/StockholdersEquityDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockSharesIssued": { "auth_ref": [ "r26" ], "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.cumulus.com/role/CondensedConsolidatedBalanceSheetsParenthetical", "http://www.cumulus.com/role/StockholdersEquityDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockSharesOutstanding": { "auth_ref": [ "r26", "r221" ], "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.cumulus.com/role/CondensedConsolidatedBalanceSheetsParenthetical", "http://www.cumulus.com/role/StockholdersEquityDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockValue": { "auth_ref": [ "r26" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "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 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" } } }, "localname": "CommonStockValue", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "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) Income" } } }, "localname": "ComprehensiveIncomePolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ContractWithCustomerAssetNet": { "auth_ref": [ "r232", "r233", "r244" ], "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": "Asset related to unamortized portion of commission expense" } } }, "localname": "ContractWithCustomerAssetNet", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/RevenuesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ConversionOfStockSharesIssued1": { "auth_ref": [ "r78", "r79", "r80" ], "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": "Conversion of Class B Common Stock (in shares)" } } }, "localname": "ConversionOfStockSharesIssued1", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "sharesItemType" }, "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.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebt2020RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebtRefinancedCreditAgreementTermLoanDue2026Details" ], "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.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebt2020RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebtRefinancedCreditAgreementTermLoanDue2026Details" ], "xbrltype": "domainItemType" }, "us-gaap_DebtCurrent": { "auth_ref": [ "r41" ], "calculation": { "http://www.cumulus.com/role/LongTermDebtScheduleOfDebtDetails": { "order": 1.0, "parentTag": "us-gaap_LongTermDebt", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.", "label": "Debt, Current", "negatedTerseLabel": "Less: current portion" } } }, "localname": "DebtCurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LongTermDebtScheduleOfDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Debt Disclosure [Abstract]" } } }, "localname": "DebtDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentAxis": { "auth_ref": [ "r20", "r21", "r22", "r372", "r373", "r383" ], "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.cumulus.com/role/CondensedConsolidatedBalanceSheetsParenthetical", "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows", "http://www.cumulus.com/role/FairValueMeasurementsGrossAmountsAndFairValueOfDebtDetails", "http://www.cumulus.com/role/FairValueMeasurementsNarrativeDetails", "http://www.cumulus.com/role/LongTermDebt675SeniorNotesDetails", "http://www.cumulus.com/role/LongTermDebtDebtInstrumentRedemptionDetails", "http://www.cumulus.com/role/LongTermDebtRefinancedCreditAgreementTermLoanDue2026Details", "http://www.cumulus.com/role/LongTermDebtScheduleOfDebtDetails", "http://www.cumulus.com/role/SubsequentEventDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentBasisSpreadOnVariableRate1": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Percentage points added to the reference rate to compute the variable rate on the debt instrument.", "label": "Debt Instrument, Basis Spread on Variable Rate", "terseLabel": "Basis spread on variable rate" } } }, "localname": "DebtInstrumentBasisSpreadOnVariableRate1", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebt2020RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebtRefinancedCreditAgreementTermLoanDue2026Details" ], "xbrltype": "percentItemType" }, "us-gaap_DebtInstrumentCarryingAmount": { "auth_ref": [ "r22", "r212", "r373", "r383" ], "calculation": { "http://www.cumulus.com/role/LongTermDebtScheduleOfDebtDetails": { "order": 2.0, "parentTag": "us-gaap_LongTermDebt", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.", "label": "Long-term Debt, Gross", "terseLabel": "Debt, gross" } } }, "localname": "DebtInstrumentCarryingAmount", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LongTermDebtScheduleOfDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentFaceAmount": { "auth_ref": [ "r324", "r326" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Face (par) amount of debt instrument at time of issuance.", "label": "Debt Instrument, Face Amount", "terseLabel": "Debt instrument, face amount" } } }, "localname": "DebtInstrumentFaceAmount", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LongTermDebt675SeniorNotesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentInterestRateStatedPercentage": { "auth_ref": [ "r44" ], "lang": { "en-US": { "role": { "documentation": "Contractual interest rate for funds borrowed, under the debt agreement.", "label": "Debt Instrument, Interest Rate, Stated Percentage", "terseLabel": "Interest rate" } } }, "localname": "DebtInstrumentInterestRateStatedPercentage", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheetsParenthetical", "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows", "http://www.cumulus.com/role/FairValueMeasurementsNarrativeDetails", "http://www.cumulus.com/role/LongTermDebt675SeniorNotesDetails", "http://www.cumulus.com/role/LongTermDebtRefinancedCreditAgreementTermLoanDue2026Details", "http://www.cumulus.com/role/SubsequentEventDetails" ], "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.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebt2020RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebt675SeniorNotesDetails", "http://www.cumulus.com/role/LongTermDebtRefinancedCreditAgreementTermLoanDue2026Details", "http://www.cumulus.com/role/LongTermDebtScheduleOfDebtDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentNameDomain": { "auth_ref": [ "r45" ], "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.cumulus.com/role/CondensedConsolidatedBalanceSheetsParenthetical", "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows", "http://www.cumulus.com/role/FairValueMeasurementsGrossAmountsAndFairValueOfDebtDetails", "http://www.cumulus.com/role/FairValueMeasurementsNarrativeDetails", "http://www.cumulus.com/role/LongTermDebt675SeniorNotesDetails", "http://www.cumulus.com/role/LongTermDebtDebtInstrumentRedemptionDetails", "http://www.cumulus.com/role/LongTermDebtRefinancedCreditAgreementTermLoanDue2026Details", "http://www.cumulus.com/role/LongTermDebtScheduleOfDebtDetails", "http://www.cumulus.com/role/SubsequentEventDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtInstrumentRedemptionLineItems": { "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, Redemption [Line Items]", "terseLabel": "Debt Instrument, Redemption [Line Items]" } } }, "localname": "DebtInstrumentRedemptionLineItems", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LongTermDebtDebtInstrumentRedemptionDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentRedemptionPeriodAxis": { "auth_ref": [ "r381" ], "lang": { "en-US": { "role": { "documentation": "Information about timing of debt redemption features under terms of the debt agreement.", "label": "Debt Instrument, Redemption, Period [Axis]", "terseLabel": "Debt Instrument, Redemption, Period [Axis]" } } }, "localname": "DebtInstrumentRedemptionPeriodAxis", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LongTermDebt675SeniorNotesDetails", "http://www.cumulus.com/role/LongTermDebtDebtInstrumentRedemptionDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentRedemptionPeriodDomain": { "auth_ref": [ "r381" ], "lang": { "en-US": { "role": { "documentation": "Period as defined under terms of the debt agreement for debt redemption features.", "label": "Debt Instrument, Redemption, Period [Domain]", "terseLabel": "Debt Instrument, Redemption, Period [Domain]" } } }, "localname": "DebtInstrumentRedemptionPeriodDomain", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LongTermDebt675SeniorNotesDetails", "http://www.cumulus.com/role/LongTermDebtDebtInstrumentRedemptionDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtInstrumentRedemptionPricePercentage": { "auth_ref": [ "r381" ], "lang": { "en-US": { "role": { "documentation": "Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.", "label": "Debt Instrument, Redemption Price, Percentage", "terseLabel": "Redemption price", "verboseLabel": "Redemption price (as a percent)" } } }, "localname": "DebtInstrumentRedemptionPricePercentage", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LongTermDebt675SeniorNotesDetails", "http://www.cumulus.com/role/LongTermDebtDebtInstrumentRedemptionDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DebtInstrumentRedemptionTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about debt instruments or arrangements with redemption features. Includes, but is not limited to, description of debt redemption features, percentage price at which debt can be redeemed by the issuer, and period start and end for debt maturity or redemption.", "label": "Debt Instrument Redemption [Table]", "terseLabel": "Debt Instrument Redemption [Table]" } } }, "localname": "DebtInstrumentRedemptionTable", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LongTermDebtDebtInstrumentRedemptionDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentRedemptionTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of debt instruments or arrangements with redemption features. Includes, but is not limited to, description of debt redemption features, percentage price at which debt can be redeemed by the issuer, and period start and end for debt maturity or redemption.", "label": "Debt Instrument Redemption [Table Text Block]", "terseLabel": "Debt Instrument Redemption" } } }, "localname": "DebtInstrumentRedemptionTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LongTermDebtTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_DebtInstrumentTable": { "auth_ref": [ "r45", "r86", "r222", "r225", "r226", "r227", "r323", "r324", "r326", "r382" ], "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.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebt2020RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebt675SeniorNotesDetails", "http://www.cumulus.com/role/LongTermDebtRefinancedCreditAgreementTermLoanDue2026Details", "http://www.cumulus.com/role/LongTermDebtScheduleOfDebtDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentUnamortizedDiscount": { "auth_ref": [ "r323", "r326" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after accumulated amortization, of debt discount.", "label": "Debt Instrument, Unamortized Discount", "terseLabel": "Debt instrument, unamortized discount" } } }, "localname": "DebtInstrumentUnamortizedDiscount", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LongTermDebt2020RevolvingCreditAgreementDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet": { "auth_ref": [ "r213", "r325" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of unamortized debt discount (premium) and debt issuance costs.", "label": "Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net", "terseLabel": "Debt discounts and issuance costs" } } }, "localname": "DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LongTermDebt2020RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebtRefinancedCreditAgreementTermLoanDue2026Details" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtIssuanceCostsLineOfCreditArrangementsGross": { "auth_ref": [ "r327" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, before accumulated amortization, of debt issuance costs related to line of credit arrangements. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.", "label": "Debt Issuance Costs, Line of Credit Arrangements, Gross", "terseLabel": "Debt issuance costs" } } }, "localname": "DebtIssuanceCostsLineOfCreditArrangementsGross", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredFinanceCostsGross": { "auth_ref": [ "r325" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.", "label": "Debt Issuance Costs, Gross", "terseLabel": "Debt issuance costs" } } }, "localname": "DeferredFinanceCostsGross", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LongTermDebt675SeniorNotesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredIncomeTaxExpenseBenefit": { "auth_ref": [ "r74", "r85", "r282", "r287", "r288", "r289" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 8.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "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 income taxes" } } }, "localname": "DeferredIncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredIncomeTaxLiabilitiesNet": { "auth_ref": [ "r275", "r276" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "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 income taxes" } } }, "localname": "DeferredIncomeTaxLiabilitiesNet", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_DepreciationAndAmortization": { "auth_ref": [ "r74", "r198" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations": { "order": 3.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.", "label": "Depreciation, Depletion and Amortization, Nonproduction", "terseLabel": "Depreciation and amortization" } } }, "localname": "DepreciationAndAmortization", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "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.cumulus.com/role/RevenuesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DisaggregationOfRevenueTable": { "auth_ref": [ "r243", "r246", "r247", "r248", "r249", "r250", "r251", "r252" ], "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.cumulus.com/role/RevenuesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DisaggregationOfRevenueTableTextBlock": { "auth_ref": [ "r243" ], "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": "Disaggregation of Revenue" } } }, "localname": "DisaggregationOfRevenueTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/RevenuesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_DisclosureOfLongLivedAssetsHeldForSaleTextBlock": { "auth_ref": [ "r202" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of long lived assets held for sale. Disclosure may include the description of the facts and circumstances leading to the expected disposal, manner and timing of disposal, the carrying value of the assets held for sale, the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss).", "label": "Disclosure of Long Lived Assets Held-for-sale [Table Text Block]", "terseLabel": "Assets Held-for-sale" } } }, "localname": "DisclosureOfLongLivedAssetsHeldForSaleTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Discontinued Operations and Disposal Groups [Abstract]" } } }, "localname": "DiscontinuedOperationsAndDisposalGroupsAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_DisposalGroupClassificationAxis": { "auth_ref": [ "r8" ], "lang": { "en-US": { "role": { "documentation": "Information by disposal group classification.", "label": "Disposal Group Classification [Axis]", "terseLabel": "Disposal Group Classification [Axis]" } } }, "localname": "DisposalGroupClassificationAxis", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/AcquisitionsAndDispositionsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DisposalGroupClassificationDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Component or group of components disposed of, including but not limited to, disposal group held-for-sale or disposed of by sale, disposed of by means other than sale, and discontinued operations.", "label": "Disposal Group Classification [Domain]", "terseLabel": "Disposal Group Classification [Domain]" } } }, "localname": "DisposalGroupClassificationDomain", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/AcquisitionsAndDispositionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember": { "auth_ref": [ "r197", "r202" ], "lang": { "en-US": { "role": { "documentation": "Disposal group that has been sold. Excludes disposals classified as discontinued operations.", "label": "Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]", "terseLabel": "Disposal Group, Disposed of by Sale, Not Discontinued Operations" } } }, "localname": "DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/AcquisitionsAndDispositionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.", "label": "Disposal Group, Including Discontinued Operation, Consideration", "terseLabel": "Cash received for sale" } } }, "localname": "DisposalGroupIncludingDiscontinuedOperationConsideration", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/AcquisitionsAndDispositionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal": { "auth_ref": [ "r74", "r197", "r201" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.", "label": "Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal", "negatedTerseLabel": "Loss on sale" } } }, "localname": "DisposalGroupNotDiscontinuedOperationGainLossOnDisposal", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/AcquisitionsAndDispositionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock": { "auth_ref": [ "r12", "r204" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.", "label": "Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]", "terseLabel": "Acquisitions and Dispositions" } } }, "localname": "DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/AcquisitionsAndDispositions" ], "xbrltype": "textBlockItemType" }, "us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain": { "auth_ref": [ "r263", "r265" ], "lang": { "en-US": { "role": { "documentation": "Name of disposal group.", "label": "Disposal Group Name [Domain]", "terseLabel": "Disposal Group Name [Domain]" } } }, "localname": "DisposalGroupsIncludingDiscontinuedOperationsNameDomain", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/AcquisitionsAndDispositionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_EarningsPerShareAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Earnings Per Share [Abstract]", "terseLabel": "Basic and diluted (loss) earnings per common share (see Note 10, (Loss) Earnings Per Share):" } } }, "localname": "EarningsPerShareAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations" ], "xbrltype": "stringItemType" }, "us-gaap_EarningsPerShareBasic": { "auth_ref": [ "r56", "r96", "r97", "r98", "r99", "r100", "r105", "r108", "r117", "r120", "r121", "r125", "r126", "r379", "r393" ], "lang": { "en-US": { "role": { "documentation": "The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.", "label": "Earnings Per Share, Basic", "verboseLabel": "Basic: Earnings per share (USD per share)" } } }, "localname": "EarningsPerShareBasic", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations" ], "xbrltype": "perShareItemType" }, "us-gaap_EarningsPerShareBasicAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Earnings Per Share, Basic [Abstract]", "terseLabel": "Basic (Loss) Earnings Per Share" } } }, "localname": "EarningsPerShareBasicAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LossEarningsPerShareDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EarningsPerShareBasicUndistributed": { "auth_ref": [ "r117" ], "lang": { "en-US": { "role": { "documentation": "The earnings attributable to each security on the basis that all of the earnings for the period had been distributed (to the extent that each security may share in earnings). This is the earnings amount which reflects the participation rights in undistributed earnings of each security.", "label": "Earnings Per Share, Basic, Undistributed", "terseLabel": "Basic undistributed net income (loss) per share attributable to common shares (USD per share)" } } }, "localname": "EarningsPerShareBasicUndistributed", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LossEarningsPerShareDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_EarningsPerShareDiluted": { "auth_ref": [ "r56", "r96", "r97", "r98", "r99", "r100", "r108", "r117", "r120", "r121", "r125", "r126", "r379", "r393" ], "lang": { "en-US": { "role": { "documentation": "The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.", "label": "Earnings Per Share, Diluted", "verboseLabel": "Diluted: Earnings per share (USD per share)" } } }, "localname": "EarningsPerShareDiluted", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations" ], "xbrltype": "perShareItemType" }, "us-gaap_EarningsPerShareDilutedAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Earnings Per Share, Diluted [Abstract]", "terseLabel": "Diluted (Loss) Earnings Per Share" } } }, "localname": "EarningsPerShareDilutedAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LossEarningsPerShareDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EarningsPerShareDilutedUndistributed": { "auth_ref": [ "r117" ], "lang": { "en-US": { "role": { "documentation": "The earnings attributable to each security on the basis that all of the earnings for the period had been distributed (to the extent that each security may share in earnings). This is the earnings amount which reflects the participation rights in undistributed earnings of each security, after giving effect to all dilutive potential common shares outstanding during the period.", "label": "Earnings Per Share, Diluted, Undistributed", "terseLabel": "Diluted undistributed net income (loss) per share attributable to common shares (USD per share)" } } }, "localname": "EarningsPerShareDilutedUndistributed", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LossEarningsPerShareDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_EarningsPerShareTextBlock": { "auth_ref": [ "r122", "r123", "r124", "r127" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for earnings per share.", "label": "Earnings Per Share [Text Block]", "terseLabel": "(Loss) Earnings Per Share" } } }, "localname": "EarningsPerShareTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LossEarningsPerShare" ], "xbrltype": "textBlockItemType" }, "us-gaap_EffectiveIncomeTaxRateContinuingOperations": { "auth_ref": [ "r278" ], "lang": { "en-US": { "role": { "documentation": "Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.", "label": "Effective Income Tax Rate Reconciliation, Percent", "terseLabel": "Effective tax rate" } } }, "localname": "EffectiveIncomeTaxRateContinuingOperations", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IncomeTaxesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EquityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Equity [Abstract]" } } }, "localname": "EquityAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_EquityComponentDomain": { "auth_ref": [ "r91", "r92", "r93", "r95", "r101", "r103", "r128", "r168", "r221", "r228", "r269", "r270", "r271", "r283", "r284", "r315", "r316", "r317", "r318", "r319", "r320", "r400", "r401", "r402" ], "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.cumulus.com/role/CondensedConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "domainItemType" }, "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.cumulus.com/role/FairValueMeasurementsNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable": { "auth_ref": [ "r304", "r305", "r306", "r310" ], "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.cumulus.com/role/FairValueMeasurementsNarrativeDetails" ], "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.cumulus.com/role/IntangibleAssetsAssumptionOnImpairmentDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable": { "auth_ref": [ "r307" ], "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.cumulus.com/role/IntangibleAssetsAssumptionOnImpairmentDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock": { "auth_ref": [ "r307" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of 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 Text Block]", "terseLabel": "Fair Value Measurement Inputs and Valuation Techniques" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems": { "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, Balance Sheet Grouping, Financial Statement Captions [Line Items]", "terseLabel": "Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]" } } }, "localname": "FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/FairValueMeasurementsGrossAmountsAndFairValueOfDebtDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByBalanceSheetGroupingTable": { "auth_ref": [ "r304", "r311", "r312" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.", "label": "Fair Value, by Balance Sheet Grouping [Table]", "terseLabel": "Fair Value, by Balance Sheet Grouping [Table]" } } }, "localname": "FairValueByBalanceSheetGroupingTable", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/FairValueMeasurementsGrossAmountsAndFairValueOfDebtDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByFairValueHierarchyLevelAxis": { "auth_ref": [ "r255", "r256", "r257", "r258", "r259", "r260", "r261", "r262", "r305", "r339", "r340", "r341" ], "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.cumulus.com/role/FairValueMeasurementsGrossAmountsAndFairValueOfDebtDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueDisclosuresAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Fair Value Disclosures [Abstract]" } } }, "localname": "FairValueDisclosuresAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_FairValueDisclosuresTextBlock": { "auth_ref": [ "r309" ], "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.cumulus.com/role/FairValueMeasurements" ], "xbrltype": "textBlockItemType" }, "us-gaap_FairValueInputsLevel2Member": { "auth_ref": [ "r255", "r256", "r261", "r262", "r305", "r340" ], "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": "Fair value - Level 2" } } }, "localname": "FairValueInputsLevel2Member", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/FairValueMeasurementsGrossAmountsAndFairValueOfDebtDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": { "auth_ref": [ "r255", "r256", "r257", "r258", "r259", "r260", "r261", "r262", "r339", "r340", "r341" ], "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.cumulus.com/role/FairValueMeasurementsGrossAmountsAndFairValueOfDebtDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FinanceLeasePrincipalPayments": { "auth_ref": [ "r330", "r331" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 5.0, "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": "Repayments of financing lease obligations" } } }, "localname": "FinanceLeasePrincipalPayments", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinancialInstrumentAxis": { "auth_ref": [ "r165", "r166", "r170", "r172", "r173", "r174", "r175", "r177", "r178", "r179", "r180", "r336", "r337", "r338", "r339", "r340", "r341", "r342", "r343", "r344", "r345", "r346", "r347", "r348", "r349", "r350", "r351", "r352", "r353", "r354", "r355", "r356", "r357", "r358", "r359", "r360", "r361", "r362", "r363", "r364", "r365" ], "lang": { "en-US": { "role": { "documentation": "Information by type of financial instrument.", "label": "Financial Instrument [Axis]", "terseLabel": "Financial Instrument [Axis]" } } }, "localname": "FinancialInstrumentAxis", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/FairValueMeasurementsGrossAmountsAndFairValueOfDebtDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization": { "auth_ref": [ "r188" ], "calculation": { "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails": { "order": 1.0, "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet", "weight": -1.0 }, "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetailsCalc2": { "order": 2.0, "parentTag": "us-gaap_IntangibleAssetsNetExcludingGoodwill", "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", "negatedPeriodEndLabel": "Accumulated amortization, ending balance", "negatedPeriodStartLabel": "Accumulated Amortization, beginning balance" } } }, "localname": "FiniteLivedIntangibleAssetsAccumulatedAmortization", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis": { "auth_ref": [ "r183", "r185", "r188", "r191", "r368", "r369" ], "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.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails", "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationScheduleOfAssetsHeldForSaleDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FiniteLivedIntangibleAssetsGross": { "auth_ref": [ "r188", "r369" ], "calculation": { "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails": { "order": 2.0, "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", "periodEndLabel": "Ending balance", "periodStartLabel": "Beginning balance" } } }, "localname": "FiniteLivedIntangibleAssetsGross", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "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.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain": { "auth_ref": [ "r183", "r187" ], "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.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails", "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationScheduleOfAssetsHeldForSaleDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FiniteLivedIntangibleAssetsNet": { "auth_ref": [ "r188", "r368" ], "calculation": { "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails": { "order": 1.0, "parentTag": "us-gaap_IntangibleAssetsNetExcludingGoodwill", "weight": 1.0 } }, "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", "totalLabel": "Net Book Value" } } }, "localname": "FiniteLivedIntangibleAssetsNet", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsPeriodIncreaseDecrease": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in carrying value of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.", "label": "Finite-Lived Intangible Assets, Period Increase (Decrease)", "terseLabel": "Dispositions" } } }, "localname": "FiniteLivedIntangibleAssetsPeriodIncreaseDecrease", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsRollForward": { "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": "Finite-lived Intangible Assets [Roll Forward]", "terseLabel": "Finite-lived Intangible Assets [Roll Forward]" } } }, "localname": "FiniteLivedIntangibleAssetsRollForward", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_GainLossOnSaleOfOtherAssets": { "auth_ref": [ "r74" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations": { "order": 6.0, "parentTag": "us-gaap_OperatingExpenses", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) on sale or disposal of other assets.", "label": "Gain (Loss) on Disposition of Other Assets", "negatedLabel": "Loss (gain) on sale or disposal of assets or stations" } } }, "localname": "GainLossOnSaleOfOtherAssets", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_GainLossOnSaleOfPropertyPlantEquipment": { "auth_ref": [ "r74" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 6.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.", "label": "Gain (Loss) on Disposition of Property Plant Equipment", "negatedLabel": "Loss (gain) on sale or disposal of assets or stations" } } }, "localname": "GainLossOnSaleOfPropertyPlantEquipment", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_GainsLossesOnExtinguishmentOfDebt": { "auth_ref": [ "r74", "r215", "r216" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 7.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 }, "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations": { "order": 3.0, "parentTag": "us-gaap_NonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.", "label": "Gain (Loss) on Extinguishment of Debt", "negatedLabel": "Gain on early extinguishment of debt", "terseLabel": "Gain on early extinguishment of debt" } } }, "localname": "GainsLossesOnExtinguishmentOfDebt", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows", "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_GeneralAndAdministrativeExpense": { "auth_ref": [ "r59" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations": { "order": 5.0, "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": "Corporate expenses" } } }, "localname": "GeneralAndAdministrativeExpense", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Goodwill and Intangible Assets Disclosure [Abstract]" } } }, "localname": "GoodwillAndIntangibleAssetsDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill": { "auth_ref": [ "r74", "r192" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 19.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 }, "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations": { "order": 7.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.", "label": "Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)", "terseLabel": "Impairment of intangible assets" } } }, "localname": "ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows", "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations", "http://www.cumulus.com/role/IntangibleAssetsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments": { "auth_ref": [ "r88", "r145", "r147", "r150", "r153", "r155" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_NetIncomeLoss", "weight": 1.0 } }, "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", "terseLabel": "Income (loss) before income taxes", "totalLabel": "(Loss) income before income taxes" } } }, "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations", "http://www.cumulus.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeStatementAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Income Statement [Abstract]" } } }, "localname": "IncomeStatementAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis": { "auth_ref": [ "r263", "r265" ], "lang": { "en-US": { "role": { "documentation": "Information by name of disposal group.", "label": "Disposal Group Name [Axis]", "terseLabel": "Disposal Group Name [Axis]" } } }, "localname": "IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/AcquisitionsAndDispositionsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]", "terseLabel": "Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]" } } }, "localname": "IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/AcquisitionsAndDispositionsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable": { "auth_ref": [ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r9", "r10", "r11", "r202", "r203" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.", "label": "Disposal Groups, Including Discontinued Operations [Table]", "terseLabel": "Disposal Groups, Including Discontinued Operations [Table]" } } }, "localname": "IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/AcquisitionsAndDispositionsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Income Tax Disclosure [Abstract]" } } }, "localname": "IncomeTaxDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxDisclosureTextBlock": { "auth_ref": [ "r279", "r280", "r281", "r285", "r290", "r292", "r293", "r294" ], "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.cumulus.com/role/IncomeTaxes" ], "xbrltype": "textBlockItemType" }, "us-gaap_IncomeTaxExpenseBenefit": { "auth_ref": [ "r85", "r102", "r103", "r144", "r277", "r286", "r291", "r394" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "us-gaap_NetIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.", "label": "Income Tax Expense (Benefit)", "negatedLabel": "Income tax benefit (expense)" } } }, "localname": "IncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations", "http://www.cumulus.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxesPaidNet": { "auth_ref": [ "r77" ], "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 (refunded) paid" } } }, "localname": "IncomeTaxesPaidNet", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationCondensedSupplementalCashFlowDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities": { "auth_ref": [ "r73" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 16.0, "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 and accrued expenses" } } }, "localname": "IncreaseDecreaseInAccountsPayableAndAccruedLiabilities", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAccountsPayableTrade": { "auth_ref": [ "r73" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 17.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Change in recurring obligations of a business that arise from the acquisition of merchandise, materials, supplies and services used in the production and sale of goods and services.", "label": "Increase (Decrease) in Accounts Payable, Trade", "terseLabel": "Trade payable" } } }, "localname": "IncreaseDecreaseInAccountsPayableTrade", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAccountsReceivable": { "auth_ref": [ "r73" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 10.0, "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.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAssetsHeldForSale": { "auth_ref": [ "r73" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 14.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The increase (decrease) during the period in book value of long-lived assets that the reporting entity plans to sell within one year (or one business cycle).", "label": "Increase (Decrease) in Assets Held-for-sale", "negatedLabel": "Assets held for sale" } } }, "localname": "IncreaseDecreaseInAssetsHeldForSale", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInOperatingCapitalAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Increase (Decrease) in Operating Capital [Abstract]", "terseLabel": "Changes in assets and liabilities:" } } }, "localname": "IncreaseDecreaseInOperatingCapitalAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_IncreaseDecreaseInOtherOperatingAssets": { "auth_ref": [ "r73" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 15.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in operating assets classified as other.", "label": "Increase (Decrease) in Other Operating Assets", "negatedLabel": "Other assets" } } }, "localname": "IncreaseDecreaseInOtherOperatingAssets", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInOtherOperatingLiabilities": { "auth_ref": [ "r73" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 18.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in operating liabilities classified as other.", "label": "Increase (Decrease) in Other Operating Liabilities", "terseLabel": "Other liabilities" } } }, "localname": "IncreaseDecreaseInOtherOperatingLiabilities", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInOtherReceivables": { "auth_ref": [ "r73" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 11.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in receivables classified as other.", "label": "Increase (Decrease) in Other Receivables", "negatedLabel": "Trade receivable" } } }, "localname": "IncreaseDecreaseInOtherReceivables", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets": { "auth_ref": [ "r73" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 12.0, "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 current assets" } } }, "localname": "IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "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.cumulus.com/role/CondensedConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "stringItemType" }, "us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants": { "auth_ref": [ "r109", "r110", "r111", "r121" ], "calculation": { "http://www.cumulus.com/role/LossEarningsPerShareDetails": { "order": 2.0, "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of call options and warrants using the treasury stock method.", "label": "Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants", "terseLabel": "Effect of dilutive options and restricted share units (in shares)" } } }, "localname": "IncrementalCommonSharesAttributableToCallOptionsAndWarrants", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LossEarningsPerShareDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis": { "auth_ref": [ "r184", "r190" ], "lang": { "en-US": { "role": { "documentation": "Information by type or class of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.", "label": "Indefinite-lived Intangible Assets [Axis]", "terseLabel": "Indefinite-lived Intangible Assets [Axis]" } } }, "localname": "IndefiniteLivedIntangibleAssetsByMajorClassAxis", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails", "http://www.cumulus.com/role/IntangibleAssetsNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems": { "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": "Indefinite-lived Intangible Assets [Line Items]", "terseLabel": "Indefinite-lived Intangible Assets [Line Items]" } } }, "localname": "IndefiniteLivedIntangibleAssetsByMajorClassLineItems", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails", "http://www.cumulus.com/role/IntangibleAssetsNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill": { "auth_ref": [ "r190" ], "calculation": { "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails": { "order": 1.0, "parentTag": "cmls_IndefiniteLivedIntangibleAssetsNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.", "label": "Indefinite-lived Intangible Assets (Excluding Goodwill)", "periodEndLabel": "Ending balance", "periodStartLabel": "Beginning balance" } } }, "localname": "IndefiniteLivedIntangibleAssetsExcludingGoodwill", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain": { "auth_ref": [ "r184", "r190" ], "lang": { "en-US": { "role": { "documentation": "The major class of indefinite-lived intangible asset (for example, trade names, etc. but not all-inclusive), excluding goodwill. 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 the company.", "label": "Indefinite-lived Intangible Assets, Major Class Name [Domain]", "terseLabel": "Indefinite-lived Intangible Assets, Major Class Name [Domain]" } } }, "localname": "IndefiniteLivedIntangibleAssetsMajorClassNameDomain", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails", "http://www.cumulus.com/role/IntangibleAssetsNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_IndefiniteLivedIntangibleAssetsPeriodIncreaseDecrease": { "auth_ref": [ "r190" ], "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.", "label": "Indefinite-lived Intangible Assets, Period Increase (Decrease)", "terseLabel": "Dispositions" } } }, "localname": "IndefiniteLivedIntangibleAssetsPeriodIncreaseDecrease", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IndefiniteLivedIntangibleAssetsRollForward": { "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": "Indefinite-lived Intangible Assets [Roll Forward]", "terseLabel": "Indefinite-lived Intangible Assets [Roll Forward]" } } }, "localname": "IndefiniteLivedIntangibleAssetsRollForward", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IndefiniteLivedLicenseAgreements": { "auth_ref": [ "r190" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the capitalized costs to acquire rights under a license arrangement (for example, to sell specified products in a specified territory) having an indefinite period of benefit.", "label": "Indefinite-Lived License Agreements", "terseLabel": "Broadcast licenses" } } }, "localname": "IndefiniteLivedLicenseAgreements", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_IntangibleAssetsDisclosureTextBlock": { "auth_ref": [ "r194" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for all or part of the information related to intangible assets.", "label": "Intangible Assets Disclosure [Text Block]", "terseLabel": "Intangible Assets" } } }, "localname": "IntangibleAssetsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssets" ], "xbrltype": "textBlockItemType" }, "us-gaap_IntangibleAssetsGrossExcludingGoodwill": { "auth_ref": [], "calculation": { "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetailsCalc2": { "order": 1.0, "parentTag": "us-gaap_IntangibleAssetsNetExcludingGoodwill", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before accumulated amortization of intangible assets, excluding goodwill.", "label": "Intangible Assets, Gross (Excluding Goodwill)", "periodEndLabel": "Ending balance", "periodStartLabel": "Beginning balance" } } }, "localname": "IntangibleAssetsGrossExcludingGoodwill", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IntangibleAssetsNetExcludingGoodwill": { "auth_ref": [ "r181", "r186" ], "calculation": { "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetailsCalc2": { "order": null, "parentTag": null, "root": true, "weight": null } }, "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)", "totalLabel": "Net Book Value" } } }, "localname": "IntangibleAssetsNetExcludingGoodwill", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestExpense": { "auth_ref": [ "r54", "r143", "r322", "r325", "r380" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_NonoperatingIncomeExpense", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the cost of borrowed funds accounted for as interest expense.", "label": "Interest Expense", "negatedLabel": "Interest expense" } } }, "localname": "InterestExpense", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestPaidNet": { "auth_ref": [ "r69", "r71", "r77" ], "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" } } }, "localname": "InterestPaidNet", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationCondensedSupplementalCashFlowDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InvestmentIncomeInterest": { "auth_ref": [ "r61", "r142" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "us-gaap_NonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.", "label": "Investment Income, Interest", "terseLabel": "Interest income" } } }, "localname": "InvestmentIncomeInterest", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_LessorOperatingLeaseTermOfContract": { "auth_ref": [ "r332" ], "lang": { "en-US": { "role": { "documentation": "Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Lessor, Operating Lease, Term of Contract", "terseLabel": "Rental agreement term" } } }, "localname": "LessorOperatingLeaseTermOfContract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/RevenuesDetails" ], "xbrltype": "durationItemType" }, "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.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebt2020RevolvingCreditAgreementDetails" ], "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.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebt2020RevolvingCreditAgreementDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_Liabilities": { "auth_ref": [ "r42", "r84", "r149", "r167", "r298", "r299", "r300", "r313" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "order": 3.0, "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.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesAndStockholdersEquity": { "auth_ref": [ "r32", "r84", "r167", "r313", "r375", "r389" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "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\u2019 equity" } } }, "localname": "LiabilitiesAndStockholdersEquity", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesAndStockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Liabilities and Equity [Abstract]", "terseLabel": "Liabilities and Stockholders\u2019 Equity" } } }, "localname": "LiabilitiesAndStockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilitiesCurrent": { "auth_ref": [ "r43", "r84", "r167", "r298", "r299", "r300", "r313" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "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.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "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.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_LicenseMember": { "auth_ref": [ "r246" ], "lang": { "en-US": { "role": { "documentation": "Right to use intangible asset. Intangible asset includes, but is not limited to, patent, copyright, technology, manufacturing process, software or trademark.", "label": "License [Member]", "verboseLabel": "FCC license" } } }, "localname": "LicenseMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationScheduleOfAssetsHeldForSaleDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LineOfCredit": { "auth_ref": [ "r22", "r373", "r383" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.", "label": "Long-term Line of Credit", "terseLabel": "2020 revolving credit facility", "verboseLabel": "Long-term line of credit" } } }, "localname": "LineOfCredit", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets", "http://www.cumulus.com/role/LongTermDebtRefinancedCreditAgreementTermLoanDue2026Details" ], "xbrltype": "monetaryItemType" }, "us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity": { "auth_ref": [ "r40" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.", "label": "Line of Credit Facility, Maximum Borrowing Capacity", "terseLabel": "Maximum borrowing capacity" } } }, "localname": "LineOfCreditFacilityMaximumBorrowingCapacity", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebt2020RevolvingCreditAgreementDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.", "label": "Line of Credit Facility, Unused Capacity, Commitment Fee Percentage", "terseLabel": "Unused capacity, commitment fee rate" } } }, "localname": "LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebt2020RevolvingCreditAgreementDetails" ], "xbrltype": "percentItemType" }, "us-gaap_LineOfCreditMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A contractual arrangement with a lender under which borrowings can be made up to a specific amount at any point in time, and under which borrowings outstanding may be either short-term or long-term, depending upon the particulars.", "label": "Line of Credit [Member]", "terseLabel": "Term loan" } } }, "localname": "LineOfCreditMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/FairValueMeasurementsGrossAmountsAndFairValueOfDebtDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LondonInterbankOfferedRateLIBORMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Interest rate at which a bank borrows funds from other banks in the London interbank market.", "label": "London Interbank Offered Rate (LIBOR) [Member]", "terseLabel": "London Interbank Offered Rate" } } }, "localname": "LondonInterbankOfferedRateLIBORMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebtRefinancedCreditAgreementTermLoanDue2026Details" ], "xbrltype": "domainItemType" }, "us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis": { "auth_ref": [ "r1" ], "lang": { "en-US": { "role": { "documentation": "Represents the assets held for sale.", "label": "Long Lived Assets Held-for-sale by Asset Type [Axis]", "terseLabel": "Long Lived Assets Held-for-sale by Asset Type [Axis]" } } }, "localname": "LongLivedAssetsHeldForSaleByAssetTypeAxis", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationScheduleOfAssetsHeldForSaleDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LongLivedAssetsHeldForSaleLineItems": { "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": "Long Lived Assets Held-for-sale [Line Items]", "terseLabel": "Long Lived Assets Held-for-sale [Line Items]" } } }, "localname": "LongLivedAssetsHeldForSaleLineItems", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationScheduleOfAssetsHeldForSaleDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LongLivedAssetsHeldForSaleNameDomain": { "auth_ref": [ "r1" ], "lang": { "en-US": { "role": { "documentation": "A name of the assets to be disposed.", "label": "Long Lived Assets Held-for-sale, Name [Domain]", "terseLabel": "Long Lived Assets Held-for-sale, Name [Domain]" } } }, "localname": "LongLivedAssetsHeldForSaleNameDomain", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationScheduleOfAssetsHeldForSaleDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LongTermDebt": { "auth_ref": [ "r22", "r214", "r373", "r385" ], "calculation": { "http://www.cumulus.com/role/LongTermDebtScheduleOfDebtDetails": { "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", "terseLabel": "Gross value", "totalLabel": "Long-term debt, net" } } }, "localname": "LongTermDebt", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/FairValueMeasurementsGrossAmountsAndFairValueOfDebtDetails", "http://www.cumulus.com/role/LongTermDebtScheduleOfDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtCurrent": { "auth_ref": [ "r41" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.", "label": "Long-term Debt, Current Maturities", "terseLabel": "Current portion of term loan due 2026" } } }, "localname": "LongTermDebtCurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtTextBlock": { "auth_ref": [ "r217" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for long-term debt.", "label": "Long-term Debt [Text Block]", "terseLabel": "Long-Term Debt" } } }, "localname": "LongTermDebtTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LongTermDebt" ], "xbrltype": "textBlockItemType" }, "us-gaap_LongtermDebtTypeAxis": { "auth_ref": [ "r45" ], "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.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows", "http://www.cumulus.com/role/FairValueMeasurementsNarrativeDetails", "http://www.cumulus.com/role/LongTermDebt675SeniorNotesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LongtermDebtTypeDomain": { "auth_ref": [ "r45", "r211" ], "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.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows", "http://www.cumulus.com/role/FairValueMeasurementsNarrativeDetails", "http://www.cumulus.com/role/LongTermDebt675SeniorNotesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LossContingencyAccrualAtCarryingValue": { "auth_ref": [ "r208" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of loss contingency liability.", "label": "Loss Contingency Accrual", "terseLabel": "Loss contingency accrual" } } }, "localname": "LossContingencyAccrualAtCarryingValue", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LossContingencyClaimsDismissedNumber": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of claims dismissed.", "label": "Loss Contingency, Claims Dismissed, Number", "terseLabel": "Number of claims dismissed" } } }, "localname": "LossContingencyClaimsDismissedNumber", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "integerItemType" }, "us-gaap_LossContingencyNumberOfPlaintiffs": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of plaintiffs that have filed claims pertaining to a loss contingency.", "label": "Loss Contingency, Number of Plaintiffs", "terseLabel": "Number of plaintiffs" } } }, "localname": "LossContingencyNumberOfPlaintiffs", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "integerItemType" }, "us-gaap_MeasurementInputDiscountRateMember": { "auth_ref": [ "r307" ], "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": "Measurement Input, Discount Rate" } } }, "localname": "MeasurementInputDiscountRateMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsAssumptionOnImpairmentDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MeasurementInputLongTermRevenueGrowthRateMember": { "auth_ref": [ "r307" ], "lang": { "en-US": { "role": { "documentation": "Measurement input using compounded annualized rate of long-term growth in revenue.", "label": "Measurement Input, Long-term Revenue Growth Rate [Member]", "terseLabel": "Measurement Input, Long-term Revenue Growth Rate" } } }, "localname": "MeasurementInputLongTermRevenueGrowthRateMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsAssumptionOnImpairmentDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MeasurementInputPriceVolatilityMember": { "auth_ref": [ "r307" ], "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": "Measurement Input, Price Volatility" } } }, "localname": "MeasurementInputPriceVolatilityMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsAssumptionOnImpairmentDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MeasurementInputTypeAxis": { "auth_ref": [ "r307" ], "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.cumulus.com/role/IntangibleAssetsAssumptionOnImpairmentDetails" ], "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.cumulus.com/role/IntangibleAssetsAssumptionOnImpairmentDetails" ], "xbrltype": "domainItemType" }, "us-gaap_NetCashProvidedByUsedInFinancingActivities": { "auth_ref": [ "r70" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "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 provided by (used in) financing activities" } } }, "localname": "NetCashProvidedByUsedInFinancingActivities", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Net Cash Provided by (Used in) Financing Activities [Abstract]", "terseLabel": "Cash flows from financing activities:" } } }, "localname": "NetCashProvidedByUsedInFinancingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_NetCashProvidedByUsedInInvestingActivities": { "auth_ref": [ "r70" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "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 provided by investing activities" } } }, "localname": "NetCashProvidedByUsedInInvestingActivities", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Net Cash Provided by (Used in) Investing Activities [Abstract]", "terseLabel": "Cash flows from investing activities:" } } }, "localname": "NetCashProvidedByUsedInInvestingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_NetCashProvidedByUsedInOperatingActivities": { "auth_ref": [ "r70", "r72", "r75" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "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 operating activities" } } }, "localname": "NetCashProvidedByUsedInOperatingActivities", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Net Cash Provided by (Used in) Operating Activities [Abstract]", "terseLabel": "Cash flows from operating activities:" } } }, "localname": "NetCashProvidedByUsedInOperatingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_NetIncomeLoss": { "auth_ref": [ "r11", "r52", "r53", "r55", "r75", "r84", "r94", "r96", "r97", "r98", "r99", "r102", "r103", "r114", "r145", "r147", "r150", "r153", "r155", "r167", "r313", "r378", "r392" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 }, "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations": { "order": null, "parentTag": null, "root": true, "weight": null } }, "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", "terseLabel": "Net (loss) income", "totalLabel": "Net (loss) income", "verboseLabel": "Net income" } } }, "localname": "NetIncomeLoss", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows", "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations", "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic": { "auth_ref": [ "r96", "r97", "r98", "r99", "r105", "r106", "r116", "r121", "r145", "r147", "r150", "r153", "r155" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.", "label": "Net Income (Loss) Available to Common Stockholders, Basic", "verboseLabel": "Basic net (loss) income attributable to common shares" } } }, "localname": "NetIncomeLossAvailableToCommonStockholdersBasic", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LossEarningsPerShareDetails" ], "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": "Adoption of New Accounting Standards and Recent Accounting Standards Updates" } } }, "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_NoncashInvestingAndFinancingItemsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Noncash Investing and Financing Items [Abstract]", "terseLabel": "Supplemental disclosures of non-cash flow information:" } } }, "localname": "NoncashInvestingAndFinancingItemsAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationCondensedSupplementalCashFlowDetails" ], "xbrltype": "stringItemType" }, "us-gaap_NonoperatingIncomeExpense": { "auth_ref": [ "r62" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).", "label": "Nonoperating Income (Expense)", "totalLabel": "Total non-operating expense, net" } } }, "localname": "NonoperatingIncomeExpense", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_NonoperatingIncomeExpenseAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Nonoperating Income (Expense) [Abstract]", "terseLabel": "Non-operating expense:" } } }, "localname": "NonoperatingIncomeExpenseAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations" ], "xbrltype": "stringItemType" }, "us-gaap_OperatingCostsAndExpenses": { "auth_ref": [], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_OperatingExpenses", "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. Excludes Selling, General and Administrative Expense.", "label": "Operating Costs and Expenses", "terseLabel": "Content costs" } } }, "localname": "OperatingCostsAndExpenses", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingExpenses": { "auth_ref": [], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations": { "order": 2.0, "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 operating expenses" } } }, "localname": "OperatingExpenses", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingExpensesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Operating Expenses [Abstract]", "terseLabel": "Operating expenses:" } } }, "localname": "OperatingExpensesAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations" ], "xbrltype": "stringItemType" }, "us-gaap_OperatingIncomeLoss": { "auth_ref": [ "r145", "r147", "r150", "r153", "r155" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The net result for the period of deducting operating expenses from operating revenues.", "label": "Operating Income (Loss)", "totalLabel": "Operating (loss) income" } } }, "localname": "OperatingIncomeLoss", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseLiabilityCurrent": { "auth_ref": [ "r329" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.", "label": "Operating Lease, Liability, Current", "terseLabel": "Current portion of operating lease liabilities" } } }, "localname": "OperatingLeaseLiabilityCurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseLiabilityNoncurrent": { "auth_ref": [ "r329" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_Liabilities", "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": "Operating lease liabilities" } } }, "localname": "OperatingLeaseLiabilityNoncurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseRightOfUseAsset": { "auth_ref": [ "r328" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "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 lease right-of-use assets" } } }, "localname": "OperatingLeaseRightOfUseAsset", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Organization, Consolidation and Presentation of Financial Statements [Abstract]" } } }, "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock": { "auth_ref": [ "r90", "r104", "r139", "r301" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for the general note to the financial statements for the reporting entity which may include, descriptions of the basis of presentation, business description, significant accounting policies, consolidations, reclassifications, new pronouncements not yet adopted and changes in accounting principles.", "label": "Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block]", "terseLabel": "Nature of Business, Interim Financial Data and Basis of Presentation" } } }, "localname": "OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentation" ], "xbrltype": "textBlockItemType" }, "us-gaap_OtherAssetsMember": { "auth_ref": [ "r302", "r303" ], "lang": { "en-US": { "role": { "documentation": "Primary financial statement caption encompassing other assets.", "label": "Other Assets [Member]", "terseLabel": "Other assets" } } }, "localname": "OtherAssetsMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationScheduleOfAssetsHeldForSaleDetails" ], "xbrltype": "domainItemType" }, "us-gaap_OtherAssetsNoncurrent": { "auth_ref": [ "r38" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "order": 6.0, "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 assets" } } }, "localname": "OtherAssetsNoncurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherCostAndExpenseOperating": { "auth_ref": [ "r58" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations": { "order": 4.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.", "label": "Other Cost and Expense, Operating", "terseLabel": "Local marketing agreement fees" } } }, "localname": "OtherCostAndExpenseOperating", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherExpenses": { "auth_ref": [ "r60", "r395" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of expense classified as other.", "label": "Other Expenses", "terseLabel": "Other Expenses", "verboseLabel": "Expense" } } }, "localname": "OtherExpenses", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationCondensedSupplementalCashFlowDetails", "http://www.cumulus.com/role/RevenuesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherIntangibleAssetsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Intangible assets classified as other.", "label": "Other Intangible Assets [Member]", "verboseLabel": "Other intangibles, net" } } }, "localname": "OtherIntangibleAssetsMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationScheduleOfAssetsHeldForSaleDetails" ], "xbrltype": "domainItemType" }, "us-gaap_OtherIntangibleAssetsNet": { "auth_ref": [], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after accumulated amortization of finite-lived and indefinite-lived intangible assets classified as other.", "label": "Other Intangible Assets, Net", "terseLabel": "Other intangible assets, net" } } }, "localname": "OtherIntangibleAssetsNet", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherLiabilitiesNoncurrent": { "auth_ref": [ "r46" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "order": 6.0, "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": "Other liabilities" } } }, "localname": "OtherLiabilitiesNoncurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherLongTermDebtNoncurrent": { "auth_ref": [ "r45" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of long-term debt classified as other, payable after one year or the operating cycle, if longer.", "label": "Other Long-term Debt, Noncurrent", "terseLabel": "Term loan due 2026, net of debt issuance costs of $4,625 and $5,007 at June 30, 2020 and December 31, 2019, respectively" } } }, "localname": "OtherLongTermDebtNoncurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherNonoperatingIncomeExpense": { "auth_ref": [ "r63" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations": { "order": 4.0, "parentTag": "us-gaap_NonoperatingIncomeExpense", "weight": 1.0 } }, "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 expense, net" } } }, "localname": "OtherNonoperatingIncomeExpense", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsOfFinancingCosts": { "auth_ref": [ "r68" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow for loan and debt issuance costs.", "label": "Payments of Financing Costs", "negatedLabel": "Financing costs" } } }, "localname": "PaymentsOfFinancingCosts", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquirePropertyPlantAndEquipment": { "auth_ref": [ "r65" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "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": "Capital expenditures" } } }, "localname": "PaymentsToAcquirePropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PreferredStockSharesAuthorized": { "auth_ref": [ "r25" ], "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.cumulus.com/role/StockholdersEquityDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_PrepaidExpenseAndOtherAssetsCurrent": { "auth_ref": [ "r15", "r34", "r35" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "order": 6.0, "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" } } }, "localname": "PrepaidExpenseAndOtherAssetsCurrent", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_PrimeRateMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Interest rate charged by financial institutions to their most creditworthy borrowers.", "label": "Prime Rate [Member]", "terseLabel": "Prime Rate" } } }, "localname": "PrimeRateMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt": { "auth_ref": [ "r66" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).", "label": "Proceeds from Issuance of Senior Long-term Debt", "terseLabel": "Proceeds from issuance of 6.75% senior notes" } } }, "localname": "ProceedsFromIssuanceOfSeniorLongTermDebt", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromLinesOfCredit": { "auth_ref": [ "r66", "r87" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 6.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.", "label": "Proceeds from Lines of Credit", "terseLabel": "Borrowings under the 2020 revolving credit facility" } } }, "localname": "ProceedsFromLinesOfCredit", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment": { "auth_ref": [ "r64" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.", "label": "Proceeds from Sale of Property, Plant, and Equipment", "terseLabel": "Proceeds from sale of assets or stations" } } }, "localname": "ProceedsFromSaleOfPropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentByTypeAxis": { "auth_ref": [ "r37", "r200" ], "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": "Long-Lived Tangible Asset [Axis]" } } }, "localname": "PropertyPlantAndEquipmentByTypeAxis", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationScheduleOfAssetsHeldForSaleDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.", "label": "Property, Plant and Equipment [Member]", "terseLabel": "Property and equipment, net" } } }, "localname": "PropertyPlantAndEquipmentMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationScheduleOfAssetsHeldForSaleDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PropertyPlantAndEquipmentNet": { "auth_ref": [ "r18", "r19", "r200", "r390" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.", "label": "Property, Plant and Equipment, Net", "terseLabel": "Property and equipment, net" } } }, "localname": "PropertyPlantAndEquipmentNet", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentTypeDomain": { "auth_ref": [ "r18", "r199" ], "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": "Long-Lived Tangible Asset [Domain]" } } }, "localname": "PropertyPlantAndEquipmentTypeDomain", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationScheduleOfAssetsHeldForSaleDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ProvisionForDoubtfulAccounts": { "auth_ref": [ "r57", "r171" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 5.0, "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)", "terseLabel": "Provision for doubtful accounts" } } }, "localname": "ProvisionForDoubtfulAccounts", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_RepaymentsOfDebt": { "auth_ref": [ "r67" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.", "label": "Repayments of Debt", "negatedTerseLabel": "Repayment of borrowings under term loan" } } }, "localname": "RepaymentsOfDebt", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_RestrictedAssetsDisclosureTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for assets that are restricted in their use, generally by contractual agreements or regulatory requirements. This would include, but not limited to, a description of the restricted assets and the terms of the restriction.", "label": "Restricted Assets Disclosure [Text Block]", "terseLabel": "Restricted Cash" } } }, "localname": "RestrictedAssetsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/RestrictedCash" ], "xbrltype": "textBlockItemType" }, "us-gaap_RestrictedCash": { "auth_ref": [ "r81", "r370", "r387" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 }, "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationCondensedSupplementalCashFlowDetails": { "order": 2.0, "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash restricted as to withdrawal or usage. 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.", "label": "Restricted Cash", "netLabel": "Restricted cash", "terseLabel": "Restricted cash", "verboseLabel": "Restricted cash" } } }, "localname": "RestrictedCash", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets", "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationCondensedSupplementalCashFlowDetails", "http://www.cumulus.com/role/RestrictedCashDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RetainedEarningsAccumulatedDeficit": { "auth_ref": [ "r29", "r228", "r272", "r388", "r403", "r404" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "order": 4.0, "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": "Retained earnings" } } }, "localname": "RetainedEarningsAccumulatedDeficit", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_RetainedEarningsMember": { "auth_ref": [ "r91", "r92", "r93", "r95", "r101", "r103", "r168", "r269", "r270", "r271", "r283", "r284", "r400", "r402" ], "lang": { "en-US": { "role": { "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.", "label": "Retained Earnings [Member]", "terseLabel": "Retained Earnings" } } }, "localname": "RetainedEarningsMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_RevenueFromContractWithCustomerAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Revenue from Contract with Customer [Abstract]" } } }, "localname": "RevenueFromContractWithCustomerAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax": { "auth_ref": [ "r140", "r141", "r146", "r151", "r152", "r156", "r157", "r158", "r242", "r243", "r367" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations": { "order": 1.0, "parentTag": "us-gaap_OperatingIncomeLoss", "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": "Net revenue", "verboseLabel": "Revenue" } } }, "localname": "RevenueFromContractWithCustomerExcludingAssessedTax", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations", "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationCondensedSupplementalCashFlowDetails", "http://www.cumulus.com/role/RevenuesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RevenueFromContractWithCustomerTextBlock": { "auth_ref": [ "r234", "r235", "r236", "r237", "r238", "r239", "r240", "r241", "r245", "r253" ], "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": "Revenues" } } }, "localname": "RevenueFromContractWithCustomerTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/Revenues" ], "xbrltype": "textBlockItemType" }, "us-gaap_RevolvingCreditFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Arrangement in which loan proceeds can continuously be obtained following repayments, but the total amount borrowed cannot exceed a specified maximum amount.", "label": "Revolving Credit Facility [Member]", "terseLabel": "Revolving Credit Facility" } } }, "localname": "RevolvingCreditFacilityMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebt2020RevolvingCreditAgreementDetails" ], "xbrltype": "domainItemType" }, "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 of stock price (usd per share)" } } }, "localname": "SaleOfStockPricePerShare", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/StockholdersEquityDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ScheduleOfDebtTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation.", "label": "Schedule of Debt [Table Text Block]", "terseLabel": "Schedule of Gross Amounts and Fair Value" } } }, "localname": "ScheduleOfDebtTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/FairValueMeasurementsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock": { "auth_ref": [ "r121" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.", "label": "Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]", "terseLabel": "Schedule of Computation of Basic and Diluted Earnings per Common Share" } } }, "localname": "ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LossEarningsPerShareTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable": { "auth_ref": [ "r183", "r187", "r368" ], "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.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock": { "auth_ref": [ "r183", "r187" ], "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 Finite-Lived Intangible Assets" } } }, "localname": "ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable": { "auth_ref": [ "r190", "r193" ], "lang": { "en-US": { "role": { "documentation": "Schedule of assets, excluding financial assets and goodwill, lacking physical substance and exist in perpetuity.", "label": "Schedule of Indefinite-Lived Intangible Assets [Table]", "terseLabel": "Schedule of Indefinite-Lived Intangible Assets [Table]" } } }, "localname": "ScheduleOfIndefiniteLivedIntangibleAssetsTable", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails", "http://www.cumulus.com/role/IntangibleAssetsNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTableTextBlock": { "auth_ref": [ "r190", "r193" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance and exist in perpetuity, by either major class or business segment.", "label": "Schedule of Indefinite-Lived Intangible Assets [Table Text Block]", "terseLabel": "Schedule of Indefinite-Lived Intangible Assets" } } }, "localname": "ScheduleOfIndefiniteLivedIntangibleAssetsTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfLongLivedAssetsHeldForSaleTable": { "auth_ref": [ "r1", "r202" ], "lang": { "en-US": { "role": { "documentation": "Description and amounts of long lived assets held for sale. Disclosure may include the description of the facts and circumstances leading to the expected disposal, manner and timing of disposal, the carrying value of the assets held for sale, the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss).", "label": "Schedule of Long Lived Assets Held-for-sale [Table]", "terseLabel": "Schedule of Long Lived Assets Held-for-sale [Table]" } } }, "localname": "ScheduleOfLongLivedAssetsHeldForSaleTable", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationScheduleOfAssetsHeldForSaleDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock": { "auth_ref": [ "r210" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of maturity and sinking fund requirement for long-term debt.", "label": "Schedule of Maturities of Long-term Debt [Table Text Block]", "terseLabel": "Components of Long-term Debt" } } }, "localname": "ScheduleOfMaturitiesOfLongTermDebtTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LongTermDebtTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfStockByClassTable": { "auth_ref": [ "r48", "r82", "r129", "r130", "r218", "r219", "r220", "r222", "r223", "r224", "r225", "r226", "r227", "r228" ], "lang": { "en-US": { "role": { "documentation": "Schedule detailing information related to equity by class of stock. Class of stock includes common, convertible, and preferred stocks which are not redeemable or redeemable solely at the option of the issuer. It also includes preferred stock with redemption features that are solely within the control of the issuer and mandatorily redeemable stock if redemption is required to occur only upon liquidation or termination of the reporting entity.", "label": "Schedule of Stock by Class [Table]", "terseLabel": "Schedule of Stock by Class [Table]" } } }, "localname": "ScheduleOfStockByClassTable", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/StockholdersEquityDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SecuredLongTermDebt": { "auth_ref": [ "r45" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying amount of collateralized debt obligations with maturities initially due after one year or beyond the operating cycle, if longer, excluding the current portion. Obligations include, but not limited to, mortgage loans, chattel loans, and other borrowings secured by assets.", "label": "Secured Long-term Debt, Noncurrent", "terseLabel": "6.75% senior notes, net of debt issuance costs of $6,509 and $6,938 at June 30, 2020 and December 31, 2019, respectively" } } }, "localname": "SecuredLongTermDebt", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_SellingGeneralAndAdministrativeExpense": { "auth_ref": [ "r59" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations": { "order": 2.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.", "label": "Selling, General and Administrative Expense", "terseLabel": "Selling, general and administrative expenses" } } }, "localname": "SellingGeneralAndAdministrativeExpense", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations" ], "xbrltype": "monetaryItemType" }, "us-gaap_SeniorNotesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Bond that takes priority over other debt securities sold by the issuer. In the event the issuer goes bankrupt, senior debt holders receive priority for (must receive) repayment prior to (relative to) junior and unsecured (general) creditors.", "label": "Senior Notes [Member]", "verboseLabel": "Senior Notes" } } }, "localname": "SeniorNotesMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows", "http://www.cumulus.com/role/FairValueMeasurementsNarrativeDetails", "http://www.cumulus.com/role/LongTermDebt675SeniorNotesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ShareBasedCompensation": { "auth_ref": [ "r73" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 9.0, "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.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_SharesOutstanding": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of shares issued which are neither cancelled nor held in the treasury.", "label": "Shares, Outstanding", "periodEndLabel": "Ending balance (in shares)", "periodStartLabel": "Beginning balance (in shares)" } } }, "localname": "SharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "sharesItemType" }, "us-gaap_StatementClassOfStockAxis": { "auth_ref": [ "r24", "r25", "r26", "r82", "r84", "r108", "r112", "r113", "r117", "r121", "r129", "r130", "r131", "r167", "r221", "r313" ], "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.cumulus.com/role/CondensedConsolidatedBalanceSheets", "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheetsParenthetical", "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfStockholdersEquity", "http://www.cumulus.com/role/Cover", "http://www.cumulus.com/role/StockholdersEquityDetails" ], "xbrltype": "stringItemType" }, "us-gaap_StatementEquityComponentsAxis": { "auth_ref": [ "r50", "r91", "r92", "r93", "r95", "r101", "r103", "r128", "r168", "r221", "r228", "r269", "r270", "r271", "r283", "r284", "r315", "r316", "r317", "r318", "r319", "r320", "r400", "r401", "r402" ], "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.cumulus.com/role/CondensedConsolidatedStatementsOfStockholdersEquity" ], "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.cumulus.com/role/CondensedConsolidatedBalanceSheets", "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows", "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfStockholdersEquity", "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationCondensedSupplementalCashFlowDetails" ], "xbrltype": "stringItemType" }, "us-gaap_StatementOfCashFlowsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statement of Cash Flows [Abstract]" } } }, "localname": "StatementOfCashFlowsAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementOfFinancialPositionAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statement of Financial Position [Abstract]" } } }, "localname": "StatementOfFinancialPositionAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementOfStockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statement of Stockholders' Equity [Abstract]" } } }, "localname": "StatementOfStockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementTable": { "auth_ref": [ "r91", "r92", "r93", "r128", "r367" ], "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.cumulus.com/role/CondensedConsolidatedBalanceSheets", "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfCashFlows", "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfStockholdersEquity", "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationCondensedSupplementalCashFlowDetails" ], "xbrltype": "stringItemType" }, "us-gaap_StockIssuedDuringPeriodSharesNewIssues": { "auth_ref": [ "r25", "r26", "r221", "r228" ], "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.cumulus.com/role/CondensedConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "sharesItemType" }, "us-gaap_StockholdersEquity": { "auth_ref": [ "r26", "r30", "r31", "r84", "r162", "r167", "r313" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "order": 1.0, "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\u2019 equity" } } }, "localname": "StockholdersEquity", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets", "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Stockholders' Equity Attributable to Parent [Abstract]", "terseLabel": "Stockholders\u2019 equity:" } } }, "localname": "StockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_StockholdersEquityNoteDisclosureTextBlock": { "auth_ref": [ "r83", "r228", "r231" ], "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.cumulus.com/role/StockholdersEquity" ], "xbrltype": "textBlockItemType" }, "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.cumulus.com/role/SubsequentEventDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventMember": { "auth_ref": [ "r321", "r334" ], "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.cumulus.com/role/SubsequentEventDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SubsequentEventTable": { "auth_ref": [ "r321", "r334" ], "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.cumulus.com/role/SubsequentEventDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventTypeAxis": { "auth_ref": [ "r321", "r334" ], "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.cumulus.com/role/SubsequentEventDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventTypeDomain": { "auth_ref": [ "r321", "r334" ], "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.cumulus.com/role/SubsequentEventDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SubsequentEventsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Subsequent Events [Abstract]" } } }, "localname": "SubsequentEventsAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventsTextBlock": { "auth_ref": [ "r333", "r335" ], "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 Event" } } }, "localname": "SubsequentEventsTextBlock", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/SubsequentEvent" ], "xbrltype": "textBlockItemType" }, "us-gaap_SupplementalCashFlowInformationAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Supplemental Cash Flow Information [Abstract]", "terseLabel": "Supplemental disclosures of cash flow information:" } } }, "localname": "SupplementalCashFlowInformationAbstract", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationCondensedSupplementalCashFlowDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SupplyCommitmentArrangementMember": { "auth_ref": [ "r23", "r374", "r386" ], "lang": { "en-US": { "role": { "documentation": "This item is intended to be populated, by the entity, with Members identifying each supply commitment about which information required or determined to be disclosed is being provided. If only one such commitment exists, this item may be used to capture such information; if multiple commitments exist, this item is the dimensional default, which will aggregate such information, as appropriate.", "label": "Supply Commitment Arrangement [Domain]", "terseLabel": "Supply Commitment Arrangement [Domain]" } } }, "localname": "SupplyCommitmentArrangementMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SupplyCommitmentAxis": { "auth_ref": [ "r23", "r374", "r386" ], "lang": { "en-US": { "role": { "documentation": "Information by arrangements in which the entity has committed resources to supply goods or services to a customer.", "label": "Supply Commitment [Axis]", "terseLabel": "Supply Commitment [Axis]" } } }, "localname": "SupplyCommitmentAxis", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SupplyCommitmentLineItems": { "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": "Supply Commitment [Line Items]", "terseLabel": "Supply Commitment [Line Items]" } } }, "localname": "SupplyCommitmentLineItems", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SupplyCommitmentTable": { "auth_ref": [ "r23", "r374", "r386" ], "lang": { "en-US": { "role": { "documentation": "Summarization of information required or determined to be disclosed about arrangements in which the entity has committed resources to supply goods or services to a customer. May include identification of the goods or services to be furnished, identity of the purchasing party, pricing, effects on pricing for failing to deliver the [minimum] quantities required to be furnished, cancellation rights, and termination provisions.", "label": "Supply Commitment [Table]", "terseLabel": "Supply Commitment [Table]" } } }, "localname": "SupplyCommitmentTable", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_TrademarksMember": { "auth_ref": [ "r295" ], "lang": { "en-US": { "role": { "documentation": "Rights acquired through registration of a trademark to gain or protect exclusive use of a business name, symbol or other device or style.", "label": "Trademarks [Member]", "terseLabel": "Trademarks" } } }, "localname": "TrademarksMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/IntangibleAssetsGrossCarryingAmountAndAccumulatedAmortizationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain": { "auth_ref": [ "r165", "r166", "r336", "r337", "r338", "r339", "r340", "r341", "r342", "r343", "r344", "r345", "r346", "r347", "r348", "r349", "r350", "r351", "r352", "r353", "r354", "r355", "r356", "r357", "r358", "r359", "r360", "r361", "r362", "r363", "r364", "r365" ], "lang": { "en-US": { "role": { "documentation": "Instrument or contract that imposes a contractual obligation to deliver cash or another financial instrument or to exchange other financial instruments on potentially unfavorable terms and conveys a contractual right to receive cash or another financial instrument or to exchange other financial instruments on potentially favorable terms.", "label": "Financial Instruments [Domain]", "terseLabel": "Financial Instruments [Domain]" } } }, "localname": "TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/FairValueMeasurementsGrossAmountsAndFairValueOfDebtDetails" ], "xbrltype": "domainItemType" }, "us-gaap_TreasuryStockMember": { "auth_ref": [ "r49", "r229" ], "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" } } }, "localname": "TreasuryStockMember", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_TreasuryStockShares": { "auth_ref": [ "r49", "r229" ], "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, shares (in shares)" } } }, "localname": "TreasuryStockShares", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_TreasuryStockValue": { "auth_ref": [ "r49", "r229", "r230" ], "calculation": { "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets": { "order": 2.0, "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,174,222 and 68,658 shares at June 30, 2020 and December 31, 2019, respectively" } } }, "localname": "TreasuryStockValue", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_UnamortizedDebtIssuanceExpense": { "auth_ref": [ "r38" ], "calculation": { "http://www.cumulus.com/role/LongTermDebtScheduleOfDebtDetails": { "order": 3.0, "parentTag": "us-gaap_LongTermDebt", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.", "label": "Unamortized Debt Issuance Expense", "negatedTerseLabel": "Less: Total unamortized debt issuance costs" } } }, "localname": "UnamortizedDebtIssuanceExpense", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LongTermDebtScheduleOfDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UndistributedEarningsDiluted": { "auth_ref": [], "calculation": { "http://www.cumulus.com/role/LossEarningsPerShareDetails": { "order": 1.0, "parentTag": "us-gaap_UndistributedEarningsLossAvailableToCommonShareholdersDiluted", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The earnings that is allocated to common stock and participating securities to the extent that each security may share in earnings as if all of the earnings for the period had been distributed. Includes the adjustments resulting from the assumption that dilutive securities were converted, options or warrants were exercised, or that other shares were issued upon the satisfaction of certain conditions.", "label": "Undistributed Earnings, Diluted", "terseLabel": "Undistributed net (loss) income from operations" } } }, "localname": "UndistributedEarningsDiluted", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LossEarningsPerShareDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic": { "auth_ref": [ "r115", "r118", "r119" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of undistributed earnings (loss) allocated to participating securities for the basic earnings (loss) per share or per unit calculation under the two-class method.", "label": "Undistributed Earnings (Loss) Allocated to Participating Securities, Basic", "verboseLabel": "Undistributed net (loss) income from operations" } } }, "localname": "UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LossEarningsPerShareDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UndistributedEarningsLossAvailableToCommonShareholdersDiluted": { "auth_ref": [ "r115", "r119" ], "calculation": { "http://www.cumulus.com/role/LossEarningsPerShareDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of undistributed earnings (loss), allocated to common stock, as if earnings and addition from assumption of issuance of common shares for dilutive potential common shares, had been distributed. Excludes distributed earnings.", "label": "Undistributed Earnings (Loss) Available to Common Shareholders, Diluted", "totalLabel": "Diluted net (loss) income attributable to common shares" } } }, "localname": "UndistributedEarningsLossAvailableToCommonShareholdersDiluted", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LossEarningsPerShareDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UseOfEstimates": { "auth_ref": [ "r132", "r133", "r134", "r135", "r136", "r137", "r138" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles.", "label": "Use of Estimates, Policy [Policy Text Block]", "terseLabel": "Use of Estimates" } } }, "localname": "UseOfEstimates", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/NatureOfBusinessInterimFinancialDataAndBasisOfPresentationPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_VariableRateAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by type of variable rate.", "label": "Variable Rate [Axis]", "terseLabel": "Variable Rate [Axis]" } } }, "localname": "VariableRateAxis", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebt2020RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebtRefinancedCreditAgreementTermLoanDue2026Details" ], "xbrltype": "stringItemType" }, "us-gaap_VariableRateDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Interest rate that fluctuates over time as a result of an underlying benchmark interest rate or index.", "label": "Variable Rate [Domain]", "terseLabel": "Variable Rate [Domain]" } } }, "localname": "VariableRateDomain", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/LongTermDebt2018RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebt2020RevolvingCreditAgreementDetails", "http://www.cumulus.com/role/LongTermDebtRefinancedCreditAgreementTermLoanDue2026Details" ], "xbrltype": "domainItemType" }, "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding": { "auth_ref": [ "r107", "r121" ], "calculation": { "http://www.cumulus.com/role/LossEarningsPerShareDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "lang": { "en-US": { "role": { "documentation": "The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.", "label": "Weighted Average Number of Shares Outstanding, Diluted", "terseLabel": "Weighted average diluted common shares outstanding (in shares)", "totalLabel": "Diluted weighted average shares outstanding (in shares)" } } }, "localname": "WeightedAverageNumberOfDilutedSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations", "http://www.cumulus.com/role/LossEarningsPerShareDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic": { "auth_ref": [ "r105", "r121" ], "calculation": { "http://www.cumulus.com/role/LossEarningsPerShareDetails": { "order": 1.0, "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.", "label": "Weighted Average Number of Shares Outstanding, Basic", "terseLabel": "Basic weighted average shares outstanding (in shares)", "verboseLabel": "Weighted average basic common shares outstanding (in shares)" } } }, "localname": "WeightedAverageNumberOfSharesOutstandingBasic", "nsuri": "http://fasb.org/us-gaap/2020-01-31", "presentation": [ "http://www.cumulus.com/role/CondensedConsolidatedStatementsOfOperations", "http://www.cumulus.com/role/LossEarningsPerShareDetails" ], "xbrltype": "sharesItemType" } }, "unitCount": 10 } }, "std_ref": { "r0": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222160&loc=SL51721533-107759" }, "r1": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760" }, "r10": { "Name": "Accounting Standards Codification", "Paragraph": "5D", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721677-107760" }, "r100": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22644-107794" }, "r101": { "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" }, "r102": { "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" }, "r103": { "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" }, "r104": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "250", "URI": "http://asc.fasb.org/topic&trid=2122394" }, "r105": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=121326447&loc=d3e1448-109256" }, "r106": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=121326447&loc=d3e1377-109256" }, "r107": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=121326447&loc=d3e1505-109256" }, "r108": { "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" }, "r109": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=121326447&loc=d3e1707-109256" }, "r11": { "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" }, "r110": { "Name": "Accounting Standards Codification", "Paragraph": "23", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=121326447&loc=d3e1757-109256" }, "r111": { "Name": "Accounting Standards Codification", "Paragraph": "26", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=121326447&loc=d3e1828-109256" }, "r112": { "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" }, "r113": { "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" }, "r114": { "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" }, "r115": { "Name": "Accounting Standards Codification", "Paragraph": "60B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=121326447&loc=SL5780133-109256" }, "r116": { "Name": "Accounting Standards Codification", "Paragraph": "60B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=121326447&loc=SL5780133-109256" }, "r117": { "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" }, "r118": { "Name": "Accounting Standards Codification", "Paragraph": "65", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=121326447&loc=d3e2793-109256" }, "r119": { "Name": "Accounting Standards Codification", "Paragraph": "66", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=121326447&loc=d3e2814-109256" }, "r12": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/subtopic&trid=2122178" }, "r120": { "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" }, "r121": { "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" }, "r122": { "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" }, "r123": { "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" }, "r124": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537" }, "r125": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=120380238&loc=d3e3842-109258" }, "r126": { "Name": "Accounting Standards Codification", "Paragraph": "52", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=120380238&loc=d3e4984-109258" }, "r127": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "260", "URI": "http://asc.fasb.org/topic&trid=2144383" }, "r128": { "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" }, "r129": { "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" }, "r13": { "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" }, "r130": { "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" }, "r131": { "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" }, "r132": { "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" }, "r133": { "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" }, "r134": { "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" }, "r135": { "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" }, "r136": { "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" }, "r137": { "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" }, "r138": { "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" }, "r139": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "275", "URI": "http://asc.fasb.org/topic&trid=2134479" }, "r14": { "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" }, "r140": { "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" }, "r141": { "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" }, "r142": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599" }, "r143": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599" }, "r144": { "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" }, "r145": { "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" }, "r146": { "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" }, "r147": { "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" }, "r148": { "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" }, "r149": { "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" }, "r15": { "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" }, "r150": { "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" }, "r151": { "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" }, "r152": { "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" }, "r153": { "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" }, "r154": { "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" }, "r155": { "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" }, "r156": { "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" }, "r157": { "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" }, "r158": { "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" }, "r159": { "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" }, "r16": { "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" }, "r160": { "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" }, "r161": { "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" }, "r162": { "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" }, "r163": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=121553693&loc=d3e26610-111562" }, "r164": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(aa)", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563" }, "r165": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=121645371&loc=d3e27232-111563" }, "r166": { "Name": "Accounting Standards Codification", "Paragraph": "5A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "320", "URI": "http://asc.fasb.org/extlink&oid=121645371&loc=SL120269820-111563" }, "r167": { "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" }, "r168": { "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" }, "r169": { "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" }, "r17": { "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" }, "r170": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=121599337&loc=SL82919244-210447" }, "r171": { "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" }, "r172": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447" }, "r173": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=121599337&loc=SL82919253-210447" }, "r174": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=121599337&loc=SL82919258-210447" }, "r175": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=121599337&loc=SL82919230-210447" }, "r176": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=121558606&loc=SL82898722-210454" }, "r177": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=121582814&loc=SL82922888-210455" }, "r178": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=121582814&loc=SL82922895-210455" }, "r179": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=121582814&loc=SL82922900-210455" }, "r18": { "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" }, "r180": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "55", "SubTopic": "30", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456" }, "r181": { "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" }, "r182": { "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" }, "r183": { "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" }, "r184": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275" }, "r185": { "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" }, "r186": { "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" }, "r187": { "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" }, "r188": { "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" }, "r189": { "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" }, "r19": { "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" }, "r190": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r191": { "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" }, "r192": { "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" }, "r193": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b),(d)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275" }, "r194": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "350", "URI": "http://asc.fasb.org/topic&trid=2144416" }, "r195": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "15", "SubTopic": "10", "Subparagraph": "(b)(2)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=121558832&loc=d3e400-110220" }, "r196": { "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" }, "r197": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228" }, "r198": { "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" }, "r199": { "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" }, "r2": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=d3e1474-107760" }, "r20": { "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" }, "r200": { "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" }, "r201": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230" }, "r202": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230" }, "r203": { "Name": "Accounting Standards Codification", "Paragraph": "3A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=SL51724579-110230" }, "r204": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "360", "URI": "http://asc.fasb.org/topic&trid=2155823" }, "r205": { "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" }, "r206": { "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" }, "r207": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "440", "URI": "http://asc.fasb.org/topic&trid=2144648" }, "r208": { "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" }, "r209": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "450", "URI": "http://asc.fasb.org/topic&trid=2127136" }, "r21": { "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" }, "r210": { "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" }, "r211": { "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" }, "r212": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(1)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870" }, "r213": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(2)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870" }, "r214": { "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" }, "r215": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "40", "SubTopic": "50", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=117329964&loc=d3e12317-112629" }, "r216": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "40", "SubTopic": "50", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=117329964&loc=d3e12355-112629" }, "r217": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "470", "URI": "http://asc.fasb.org/topic&trid=2208564" }, "r218": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(CFRR 211.02)", "Topic": "480", "URI": "http://asc.fasb.org/extlink&oid=65877616&loc=d3e177068-122764" }, "r219": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=65888546&loc=d3e21300-112643" }, "r22": { "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" }, "r220": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21553-112644" }, "r221": { "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" }, "r222": { "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" }, "r223": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21484-112644" }, "r224": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21488-112644" }, "r225": { "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" }, "r226": { "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" }, "r227": { "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" }, "r228": { "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" }, "r229": { "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" }, "r23": { "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" }, "r230": { "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" }, "r231": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "505", "URI": "http://asc.fasb.org/topic&trid=2208762" }, "r232": { "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" }, "r233": { "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" }, "r234": { "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" }, "r235": { "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" }, "r236": { "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" }, "r237": { "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" }, "r238": { "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" }, "r239": { "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" }, "r24": { "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" }, "r240": { "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" }, "r241": { "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" }, "r242": { "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" }, "r243": { "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" }, "r244": { "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" }, "r245": { "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" }, "r246": { "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" }, "r247": { "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" }, "r248": { "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" }, "r249": { "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" }, "r25": { "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" }, "r250": { "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" }, "r251": { "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" }, "r252": { "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" }, "r253": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "606", "URI": "http://asc.fasb.org/topic&trid=49130388" }, "r254": { "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" }, "r255": { "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" }, "r256": { "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" }, "r257": { "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" }, "r258": { "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" }, "r259": { "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" }, "r26": { "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" }, "r260": { "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" }, "r261": { "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" }, "r262": { "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" }, "r263": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "80", "Subparagraph": "(a)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450702-114947" }, "r264": { "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" }, "r265": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "80", "Subparagraph": "(a)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450673-114947" }, "r266": { "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" }, "r267": { "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" }, "r268": { "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" }, "r269": { "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" }, "r27": { "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" }, "r270": { "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" }, "r271": { "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" }, "r272": { "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" }, "r273": { "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" }, "r274": { "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" }, "r275": { "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" }, "r276": { "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" }, "r277": { "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" }, "r278": { "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" }, "r279": { "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" }, "r28": { "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" }, "r280": { "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" }, "r281": { "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" }, "r282": { "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" }, "r283": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(d)(2)", "Topic": "740" }, "r284": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(d)(3)", "Topic": "740" }, "r285": { "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" }, "r286": { "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" }, "r287": { "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" }, "r288": { "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" }, "r289": { "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" }, "r29": { "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" }, "r290": { "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" }, "r291": { "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" }, "r292": { "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" }, "r293": { "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" }, "r294": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "740", "URI": "http://asc.fasb.org/topic&trid=2144680" }, "r295": { "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" }, "r296": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=d3e5283-111683" }, "r297": { "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" }, "r298": { "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" }, "r299": { "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" }, "r3": { "Name": "Accounting Standards Codification", "Paragraph": "3A", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721659-107760" }, "r30": { "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" }, "r300": { "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" }, "r301": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "810", "URI": "http://asc.fasb.org/topic&trid=2197479" }, "r302": { "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" }, "r303": { "Name": "Accounting Standards Codification", "Paragraph": "182", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=121582272&loc=SL5629052-113961" }, "r304": { "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" }, "r305": { "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" }, "r306": { "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" }, "r307": { "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" }, "r308": { "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" }, "r309": { "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" }, "r31": { "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" }, "r310": { "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" }, "r311": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=121572278&loc=d3e13467-108611" }, "r312": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=121572278&loc=d3e13476-108611" }, "r313": { "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" }, "r314": { "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" }, "r315": { "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" }, "r316": { "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" }, "r317": { "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" }, "r318": { "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" }, "r319": { "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" }, "r32": { "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" }, "r320": { "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" }, "r321": { "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" }, "r322": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391" }, "r323": { "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" }, "r324": { "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" }, "r325": { "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" }, "r326": { "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" }, "r327": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=68176171&loc=SL68176184-208336" }, "r328": { "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" }, "r329": { "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" }, "r33": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(4)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r330": { "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" }, "r331": { "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" }, "r332": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)(3)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=121576215&loc=SL77919359-209981" }, "r333": { "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" }, "r334": { "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" }, "r335": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "855", "URI": "http://asc.fasb.org/topic&trid=2122774" }, "r336": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(2)(i)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719" }, "r337": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(2)(ii)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719" }, "r338": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(3)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719" }, "r339": { "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" }, "r34": { "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" }, "r340": { "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" }, "r341": { "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" }, "r342": { "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" }, "r343": { "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" }, "r344": { "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" }, "r345": { "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" }, "r346": { "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" }, "r347": { "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" }, "r348": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719" }, "r349": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728" }, "r35": { "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" }, "r350": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=109249958&loc=SL34722452-111729" }, "r351": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(a)(1)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122625-111746" }, "r352": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(a)(2)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122625-111746" }, "r353": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(a)(3)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122625-111746" }, "r354": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(a)(4)(i)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122625-111746" }, "r355": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(a)(1)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746" }, "r356": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(a)(2)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746" }, "r357": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(a)(3)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746" }, "r358": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(a)(4)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746" }, "r359": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(a)(5)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746" }, "r36": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.1)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r360": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(a)(6)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746" }, "r361": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(a)(7)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746" }, "r362": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(b)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746" }, "r363": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(e)(1)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746" }, "r364": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(e)(2)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746" }, "r365": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "50", "Subparagraph": "(e)(3)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746" }, "r366": { "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" }, "r367": { "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" }, "r368": { "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" }, "r369": { "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" }, "r37": { "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" }, "r370": { "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" }, "r371": { "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" }, "r372": { "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" }, "r373": { "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" }, "r374": { "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" }, "r375": { "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" }, "r376": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(6))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878" }, "r377": { "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" }, "r378": { "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" }, "r379": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(27))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260" }, "r38": { "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" }, "r380": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04.9)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260" }, "r381": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "470", "Subparagraph": "e", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823" }, "r382": { "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" }, "r383": { "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" }, "r384": { "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" }, "r385": { "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" }, "r386": { "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" }, "r387": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(2))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r388": { "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" }, "r389": { "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" }, "r39": { "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" }, "r390": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(8))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r391": { "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" }, "r392": { "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" }, "r393": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(23))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263" }, "r394": { "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" }, "r395": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04.7)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263" }, "r396": { "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" }, "r397": { "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" }, "r398": { "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" }, "r399": { "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" }, "r4": { "Name": "Accounting Standards Codification", "Paragraph": "4A", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721663-107760" }, "r40": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19(b),22(b))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r400": { "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" }, "r401": { "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" }, "r402": { "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" }, "r403": { "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" }, "r404": { "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" }, "r405": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b" }, "r406": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "d1-1" }, "r407": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12, 13, 15d" }, "r408": { "Name": "Form 10-Q", "Number": "240", "Publisher": "SEC", "Section": "13", "Subsection": "a-13" }, "r409": { "Name": "Forms 10-K, 10-Q, 20-F", "Number": "240", "Publisher": "SEC", "Section": "13", "Subsection": "a-1-" }, "r41": { "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" }, "r410": { "Name": "Regulation 12B", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b-2" }, "r411": { "Name": "Regulation S-T", "Number": "232", "Publisher": "SEC", "Section": "405" }, "r412": { "Name": "Regulation S-X (SX)", "Number": "210", "Paragraph": "a", "Publisher": "SEC", "Section": "12", "Subsection": "04" }, "r413": { "Name": "Regulation S-X (SX)", "Number": "210", "Paragraph": "i", "Publisher": "SEC", "Section": "3", "Subsection": "10" }, "r414": { "Name": "Regulation S-X (SX)", "Number": "210", "Paragraph": "c", "Publisher": "SEC", "Section": "5", "Subparagraph": "Schedule I", "Subsection": "04" }, "r415": { "Name": "Regulation S-X (SX)", "Number": "210", "Paragraph": "c", "Publisher": "SEC", "Section": "7", "Subparagraph": "Schedule II", "Subsection": "05" }, "r416": { "Name": "Regulation S-X (SX)", "Number": "210", "Publisher": "SEC", "Section": "9", "Subsection": "06" }, "r42": { "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" }, "r43": { "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" }, "r44": { "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" }, "r45": { "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" }, "r46": { "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" }, "r47": { "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" }, "r48": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.28,29)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r49": { "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" }, "r5": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721665-107760" }, "r50": { "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" }, "r51": { "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" }, "r52": { "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" }, "r53": { "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" }, "r54": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(210.5-03(11))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227" }, "r55": { "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" }, "r56": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(25))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227" }, "r57": { "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" }, "r58": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.3)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227" }, "r59": { "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" }, "r6": { "Name": "Accounting Standards Codification", "Paragraph": "5A", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721671-107760" }, "r60": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.4,6)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227" }, "r61": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.7(b))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227" }, "r62": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.7)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227" }, "r63": { "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" }, "r64": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585" }, "r65": { "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" }, "r66": { "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" }, "r67": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585" }, "r68": { "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" }, "r69": { "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" }, "r7": { "Name": "Accounting Standards Codification", "Paragraph": "5B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760" }, "r70": { "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" }, "r71": { "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" }, "r72": { "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" }, "r73": { "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" }, "r74": { "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" }, "r75": { "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" }, "r76": { "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" }, "r77": { "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" }, "r78": { "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" }, "r79": { "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" }, "r8": { "Name": "Accounting Standards Codification", "Paragraph": "5C", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)(2)", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721675-107760" }, "r80": { "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" }, "r81": { "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" }, "r82": { "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" }, "r83": { "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" }, "r84": { "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" }, "r85": { "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" }, "r86": { "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" }, "r87": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(f))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690" }, "r88": { "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" }, "r89": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.12-04(a))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e24072-122690" }, "r9": { "Name": "Accounting Standards Codification", "Paragraph": "5C", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721675-107760" }, "r90": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "235", "URI": "http://asc.fasb.org/topic&trid=2122369" }, "r91": { "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" }, "r92": { "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" }, "r93": { "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" }, "r94": { "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" }, "r95": { "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" }, "r96": { "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" }, "r97": { "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" }, "r98": { "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" }, "r99": { "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" } }, "version": "2.1" }