v3.10.0.1

ACQUISITIONS, DIVESTITURES AND PRO FORMA SUMMARY (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Nov. 17, 2017
CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Unaudited Pro Forma Summary Of Financial Information |  |  |  |  |  |  |  |  |  |  |  |
ProFormaWeightedAverageSharesOutstandingDiluted |  |  |  |  |  |  |  |  | 138,070,000 | 141,790,000 | 139,908,000 |
WeightedAverageBasicSharesOutstandingProForma |  |  |  |  |  |  |  |  | 138,070,000 | 140,298,000 | 139,908,000 |
Income (Loss) from Continuing Operations, Per Outstanding Share, Total |  |  |  |  |  |  |  |  | $ (2.59) | $ 2.67 | $ (4.2) |
Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share |  |  |  |  |  |  |  |  | 0.01 | 0.01 | 0 |
Income (Loss) from Continuing Operations, Per Diluted Share |  |  |  |  |  |  |  |  | (2.59) | 2.64 | (4.2) |
Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share |  |  |  |  |  |  |  |  | $ 0.01 | $ 0.01 | $ 0 |
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  |  |  | $ (357,608) | $ 374,135 | $ (587,393) |
Income Loss From Discontinued Operations Net Of Tax |  |  |  |  |  |  |  |  | 1,152 | 836 | 0 |
Payments to Acquire Businesses, Gross |  |  |  |  |  |  |  |  | 71,434 | 24,000 | 92 |
Intangible assets amortization period maximum | 5 years |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross | $ 459,613 |  |  |  | $ 461,131 |  |  |  | 459,613 | 461,131 |  |
Property Plant And Equipment Net | 317,030 |  |  |  | 346,507 |  |  |  | 317,030 | 346,507 |  |
Depreciation |  |  |  |  |  |  |  |  | 28,709 | 13,215 | 8,689 |
AssetRetirementObligation | $ 2,030 |  |  |  | $ 1,714 |  |  |  | 2,030 | 1,714 | 1,044 |
Merger and acquisition costs and restructuring charges |  |  |  |  |  |  |  |  | 3,014 | 41,313 | 708 |
Restructuring Charges |  |  |  |  |  |  |  |  | 5,830 | 16,922 | 0 |
Transition Services Costs |  |  |  |  |  |  |  |  | 0 | 2,960 | 0 |
Other Restructuring Costs |  |  |  |  |  |  |  |  | 687 | 147 | 0 |
Total Restructuring Charge and Transition Services |  |  |  |  |  |  |  |  | 5,830 | 16,922 | 0 |
Lease Abandonment Costs |  |  |  |  |  |  |  |  | 1,315 | 2,874 | 0 |
Changes in Estimates |  |  |  |  |  |  |  |  | 0 | 0 |  |
Workforce Reduction |  |  |  |  |  |  |  |  | 3,599 | 10,441 | 0 |
Costs to Exit Duplicative Contracts |  |  |  |  |  |  |  |  | 229 | 500 | 0 |
Net revenues |  |  |  |  |  |  |  |  | 1,473,266 | 1,607,777 | 1,656,123 |
Net income |  |  |  |  |  |  |  |  | $ (356,456) | $ 374,971 | $ (587,393) |
Net income per common share - basic |  |  |  |  |  |  |  |  | $ (2.58) | $ 2.66 | $ (4.21) |
Net income per common share - diluted |  |  |  |  |  |  |  |  | $ (2.58) | $ 2.63 | $ (4.21) |
Net income, available to common shareholders |  |  |  |  |  |  |  |  | $ (356,456) | $ 372,956 | $ (589,294) |
Income (Loss) from Continuing Operations, Per Outstanding Share, Total | $ (2.8) | $ 0.26 | $ 0.01 | $ (0.1) | $ 2.63 | $ 0.11 | $ 0.16 | $ (0.24) | $ (2.63) | $ 4.49 | $ 0.94 |
Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share | 0 | 0 | 0.01 | 0 | 0.01 | 0 | 0 | 0 | 0.01 | 0.02 | 0 |
Income (Loss) from Continuing Operations, Per Diluted Share | (2.8) | 0.26 | 0.01 | (0.1) | 2.58 | 0.28 | 0.26 | 0.11 | (2.63) | 4.37 | 0.91 |
Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share | $ 0 | $ 0 | $ 0.01 | $ 0 | $ 0.01 | $ 0 | $ 0 | $ 0 | $ 0.01 | $ 0.02 | $ 0 |
Weighted Average Number Of Shares Outstanding Basic | 138,033,000 | 138,740,000 | 138,639,000 | 138,939,000 | 88,309,000 | 38,955,000 | 38,945,000 | 38,910,000 | 138,069,608 | 51,392,899 | 38,500,495 |
Weighted Average Number Of Diluted Shares Outstanding | 138,033,000 | 139,103,000 | 139,263,000 | 138,939,000 | 89,887,000 | 39,728,000 | 39,656,000 | 38,910,000 | 138,069,608 | 52,885,156 | 39,568,062 |
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest | $ (386,568) | $ 36,590 | $ 1,597 | $ (14,206) | $ 231,829 | $ 4,100 | $ 6,414 | $ (9,331) | $ (362,587) | $ 233,013 | $ 38,065 |
Income Loss From Discontinued Operations Net Of Tax | (378) | $ 358 | $ 844 | $ 328 | 836 | $ 0 | $ 0 | $ 0 | 1,152 | 836 | 0 |
Adjustment to Acquired Goodwill Current Assets |  |  |  |  |  |  |  |  | 1,300 |  |  |
Adjustments to Acquired Goodwill TIA |  |  |  |  |  |  |  |  | 2,300 |  |  |
Equipment [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross | 222,847 |  |  |  | 199,044 |  |  |  | $ 222,847 | 199,044 |  |
Equipment [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Tangible assets amortization period |  |  |  |  |  |  |  |  | 40 years |  |  |
Equipment [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Tangible assets amortization period |  |  |  |  |  |  |  |  | 3 years |  |  |
Building [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross | 36,038 |  |  |  | $ 46,195 |  |  |  | $ 36,038 | 46,195 |  |
Building [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Tangible assets amortization period |  |  |  |  |  |  |  |  | 40 years |  |  |
Building [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Tangible assets amortization period |  |  |  |  |  |  |  |  | 20 years |  |  |
Radio Broadcasting Licences [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | $ 0 | 17,174 |  |
Goodwill [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | $ 0 | $ 43 |  |
KRWZAM [Member] |  |  |  |  |  |  |  |  |  |  |  |
Unaudited Pro Forma Summary Of Financial Information |  |  |  |  |  |  |  |  |  |  |  |
Gain Loss on sale of station |  |  |  |  |  |  |  |  |  |  | 300 |
ProceedsFromDivestitureOfBusinesses |  |  |  |  |  |  |  |  |  |  | $ 3,800 |
Charlotte [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Unaudited Pro Forma Summary Of Financial Information |  |  |  |  |  |  |  |  |  |  |  |
Discount Rates |  |  |  |  |  |  |  |  | 9.00% |  |  |
Charlotte [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] | MeasurementInputLongTermRevenueGrowthRateMemberMember [Member] |  |  |  |  |  |  |  |  |  |  |  |
Unaudited Pro Forma Summary Of Financial Information |  |  |  |  |  |  |  |  |  |  |  |
LongTermRevenueGrowthRate |  |  |  |  |  |  |  |  | 1.00% |  |  |
Charlotte [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total assets | 24,996 |  |  |  |  |  |  |  | $ 24,996 |  |  |
Net assets acquired | 24,000 |  |  |  |  |  |  |  | 24,000 |  |  |
Total liabilities acquired | 996 |  |  |  |  |  |  |  | 996 |  |  |
Property, Plant and Equipment, Gross | 7,325 |  |  |  |  |  |  |  | 7,325 |  |  |
Charlotte [Member] | Unfavorable lease liability [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current liabilities | 735 |  |  |  |  |  |  |  | 735 |  |  |
Charlotte [Member] | OtherNoncurrentLiabilitiesMember |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Other long-term liabilities | 261 |  |  |  |  |  |  |  | 261 |  |  |
Charlotte [Member] | Equipment [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total tangible assets |  |  |  |  |  |  |  |  | $ 4,569 |  |  |
Charlotte [Member] | Equipment [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Tangible assets amortization period |  |  |  |  |  |  |  |  | 40 years |  |  |
Charlotte [Member] | Equipment [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Tangible assets amortization period |  |  |  |  |  |  |  |  | 3 years |  |  |
Charlotte [Member] | Land [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total tangible assets |  |  |  |  |  |  |  |  | $ 2,539 |  |  |
Charlotte [Member] | Building [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total tangible assets |  |  |  |  |  |  |  |  | $ 217 |  |  |
Charlotte [Member] | Building [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Tangible assets amortization period |  |  |  |  |  |  |  |  | 25 years |  |  |
Charlotte [Member] | Building [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Tangible assets amortization period |  |  |  |  |  |  |  |  | 15 years |  |  |
Charlotte [Member] | Radio Broadcasting Licences [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | $ 17,384 |  |  |
Charlotte [Member] | Other Noncurrent Assets [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets non amortizable | 287 |  |  |  |  |  |  |  | 287 |  |  |
CBS Radio [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total assets | 3,541,479 |  |  |  |  |  |  |  | 3,541,479 |  |  |
Net assets acquired | 1,168,848 |  |  |  |  |  |  |  | 1,168,848 |  |  |
Total current assets | 275,900 |  |  |  |  |  |  |  | 275,900 |  |  |
Total current liabilities | 135,248 |  |  |  |  |  |  |  | 135,248 |  |  |
Total liabilities acquired | 2,372,631 |  |  |  |  |  |  |  | 2,372,631 |  |  |
Property, Plant and Equipment, Gross | 280,807 |  |  |  |  |  |  |  | $ 280,807 |  |  |
CBS Radio [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] | MeasurementInputLongTermRevenueGrowthRateMemberMember [Member] |  |  |  |  |  |  |  |  |  |  |  |
Unaudited Pro Forma Summary Of Financial Information |  |  |  |  |  |  |  |  |  |  |  |
LongTermRevenueGrowthRate |  |  |  |  |  |  |  |  | 1.00% |  |  |
CBS Radio [Member] | CurrentLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities acquired | 13,859 |  |  |  |  |  |  |  | $ 13,859 |  |  |
CBS Radio [Member] | CurrentLiabilitiesDomain [Domain] | Unfavorable lease Liabilities Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities acquired | 12,770 |  |  |  |  |  |  |  | 12,770 |  |  |
CBS Radio [Member] | CurrentLiabilitiesDomain [Domain] | Unfavorable contracts Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities acquired | 22,597 |  |  |  |  |  |  |  | 22,597 |  |  |
CBS Radio [Member] | CurrentLiabilitiesDomain [Domain] | Noncurrent Portion of Long Term Debt Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities acquired | 1,376,900 |  |  |  |  |  |  |  | 1,376,900 |  |  |
CBS Radio [Member] | CurrentLiabilitiesDomain [Domain] | Deferred Tax Liability Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities acquired | 777,496 |  |  |  |  |  |  |  | 777,496 |  |  |
CBS Radio [Member] | Accrued Compensation Member [Member] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current liabilities | 26,324 |  |  |  |  |  |  |  | 26,324 |  |  |
CBS Radio [Member] | Current Portion of Long Term Debt Member [Member] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current liabilities | 10,600 |  |  |  |  |  |  |  | 10,600 |  |  |
CBS Radio [Member] | Current portion of unfavorable contracts Member [Member] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current liabilities | 4,803 |  |  |  |  |  |  |  | 4,803 |  |  |
CBS Radio [Member] | Accrued interest member [Member] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current liabilities | 4,529 |  |  |  |  |  |  |  | 4,529 |  |  |
CBS Radio [Member] | Current Portion of Unearned Revenue Member [Member] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current liabilities | 14,971 |  |  |  |  |  |  |  | 14,971 |  |  |
CBS Radio [Member] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current liabilities | 36,558 |  |  |  |  |  |  |  | $ 36,558 |  |  |
CBS Radio [Member] |  |  |  |  |  |  |  |  |  |  |  |
Unaudited Pro Forma Summary Of Financial Information |  |  |  |  |  |  |  |  |  |  |  |
Discount Rates |  |  |  |  |  |  |  |  | 9.00% |  |  |
Shares Issued Pursuant to Acquisition |  |  |  |  |  |  |  |  | 101,407,494 |  |  |
CBS Radio [Member] | AccruedExpensesMember [Member] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current liabilities | 37,463 |  |  |  |  |  |  |  | $ 37,463 |  |  |
CBS Radio [Member] | Accounts Receivable [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current assets | 241,548 |  |  |  |  |  |  |  | 241,548 |  |  |
CBS Radio [Member] | Prepaid contracts member [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current assets | 4,160 |  |  |  |  |  |  |  | 4,160 |  |  |
CBS Radio [Member] | PrepaidExpensesMember [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current assets | 21,101 |  |  |  |  |  |  |  | 21,101 |  |  |
CBS Radio [Member] | OtherCurrentAssetsMember | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current assets | 9,091 |  |  |  |  |  |  |  | 9,091 |  |  |
CBS Radio [Member] | As Previously Reported [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total assets |  |  |  |  |  |  |  |  |  |  |  | $ 3,540,159
Net assets acquired |  |  |  |  |  |  |  |  |  |  |  | 1,168,848
Total current assets |  |  |  |  |  |  |  |  |  |  |  | 273,683
Total current liabilities |  |  |  |  |  |  |  |  |  |  |  | 132,518
Total liabilities acquired |  |  |  |  |  |  |  |  |  |  |  | 2,371,311
CBS Radio [Member] | As Previously Reported [Member] | CurrentLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities acquired |  |  |  |  |  |  |  |  |  |  |  | 13,859
CBS Radio [Member] | As Previously Reported [Member] | CurrentLiabilitiesDomain [Domain] | Unfavorable lease Liabilities Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities acquired |  |  |  |  |  |  |  |  |  |  |  | 12,770
CBS Radio [Member] | As Previously Reported [Member] | CurrentLiabilitiesDomain [Domain] | Unfavorable contracts Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities acquired |  |  |  |  |  |  |  |  |  |  |  | 22,597
CBS Radio [Member] | As Previously Reported [Member] | CurrentLiabilitiesDomain [Domain] | Noncurrent Portion of Long Term Debt Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities acquired |  |  |  |  |  |  |  |  |  |  |  | 1,376,900
CBS Radio [Member] | As Previously Reported [Member] | CurrentLiabilitiesDomain [Domain] | Deferred Tax Liability Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities acquired |  |  |  |  |  |  |  |  |  |  |  | 780,832
CBS Radio [Member] | As Previously Reported [Member] | Accrued Compensation Member [Member] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current liabilities |  |  |  |  |  |  |  |  |  |  |  | 26,324
CBS Radio [Member] | As Previously Reported [Member] | Current Portion of Long Term Debt Member [Member] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current liabilities |  |  |  |  |  |  |  |  |  |  |  | 10,600
CBS Radio [Member] | As Previously Reported [Member] | Current portion of unfavorable contracts Member [Member] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current liabilities |  |  |  |  |  |  |  |  |  |  |  | 4,803
CBS Radio [Member] | As Previously Reported [Member] | Accrued interest member [Member] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current liabilities |  |  |  |  |  |  |  |  |  |  |  | 4,529
CBS Radio [Member] | As Previously Reported [Member] | Current Portion of Unearned Revenue Member [Member] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current liabilities |  |  |  |  |  |  |  |  |  |  |  | 14,971
CBS Radio [Member] | As Previously Reported [Member] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current liabilities |  |  |  |  |  |  |  |  |  |  |  | 36,137
CBS Radio [Member] | As Previously Reported [Member] | AccruedExpensesMember [Member] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current liabilities |  |  |  |  |  |  |  |  |  |  |  | 35,154
CBS Radio [Member] | As Previously Reported [Member] | Accounts Receivable [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current assets |  |  |  |  |  |  |  |  |  |  |  | 241,548
CBS Radio [Member] | As Previously Reported [Member] | Prepaid contracts member [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current assets |  |  |  |  |  |  |  |  |  |  |  | 4,160
CBS Radio [Member] | As Previously Reported [Member] | PrepaidExpensesMember [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current assets |  |  |  |  |  |  |  |  |  |  |  | 20,625
CBS Radio [Member] | As Previously Reported [Member] | OtherCurrentAssetsMember | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current assets |  |  |  |  |  |  |  |  |  |  |  | 7,350
CBS Radio [Member] | Adjustment [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total assets | 1,320 |  |  |  |  |  |  |  | 1,320 |  |  |
Net assets acquired | 0 |  |  |  |  |  |  |  | 0 |  |  |
Total current assets | 2,217 |  |  |  |  |  |  |  | 2,217 |  |  |
Total current liabilities | 2,730 |  |  |  |  |  |  |  | 2,730 |  |  |
Total liabilities acquired | 1,320 |  |  |  |  |  |  |  | 1,320 |  |  |
CBS Radio [Member] | Adjustment [Member] | CurrentLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities acquired | 0 |  |  |  |  |  |  |  | 0 |  |  |
CBS Radio [Member] | Adjustment [Member] | CurrentLiabilitiesDomain [Domain] | Unfavorable lease Liabilities Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities acquired | 0 |  |  |  |  |  |  |  | 0 |  |  |
CBS Radio [Member] | Adjustment [Member] | CurrentLiabilitiesDomain [Domain] | Unfavorable contracts Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities acquired | 0 |  |  |  |  |  |  |  | 0 |  |  |
CBS Radio [Member] | Adjustment [Member] | CurrentLiabilitiesDomain [Domain] | Noncurrent Portion of Long Term Debt Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities acquired | 0 |  |  |  |  |  |  |  | 0 |  |  |
CBS Radio [Member] | Adjustment [Member] | CurrentLiabilitiesDomain [Domain] | Deferred Tax Liability Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities acquired | (3,336) |  |  |  |  |  |  |  | (3,336) |  |  |
CBS Radio [Member] | Adjustment [Member] | Accrued Compensation Member [Member] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current liabilities | 0 |  |  |  |  |  |  |  | 0 |  |  |
CBS Radio [Member] | Adjustment [Member] | Current Portion of Long Term Debt Member [Member] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current liabilities | 0 |  |  |  |  |  |  |  | 0 |  |  |
CBS Radio [Member] | Adjustment [Member] | Current portion of unfavorable contracts Member [Member] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current liabilities | 0 |  |  |  |  |  |  |  | 0 |  |  |
CBS Radio [Member] | Adjustment [Member] | Accrued interest member [Member] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current liabilities | 0 |  |  |  |  |  |  |  | 0 |  |  |
CBS Radio [Member] | Adjustment [Member] | Current Portion of Unearned Revenue Member [Member] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current liabilities | 0 |  |  |  |  |  |  |  | 0 |  |  |
CBS Radio [Member] | Adjustment [Member] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current liabilities | 421 |  |  |  |  |  |  |  | 421 |  |  |
CBS Radio [Member] | Adjustment [Member] | AccruedExpensesMember [Member] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current liabilities | 2,309 |  |  |  |  |  |  |  | 2,309 |  |  |
CBS Radio [Member] | Adjustment [Member] | Accounts Receivable [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current assets | 0 |  |  |  |  |  |  |  | 0 |  |  |
CBS Radio [Member] | Adjustment [Member] | Prepaid contracts member [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current assets | 0 |  |  |  |  |  |  |  | 0 |  |  |
CBS Radio [Member] | Adjustment [Member] | PrepaidExpensesMember [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current assets | 476 |  |  |  |  |  |  |  | 476 |  |  |
CBS Radio [Member] | Adjustment [Member] | OtherCurrentAssetsMember | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current assets | 1,741 |  |  |  |  |  |  |  | 1,741 |  |  |
CBS Radio [Member] | OtherNoncurrentLiabilitiesMember | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities acquired | 33,761 |  |  |  |  |  |  |  | 33,761 |  |  |
CBS Radio [Member] | OtherNoncurrentLiabilitiesMember | As Previously Reported [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities acquired |  |  |  |  |  |  |  |  |  |  |  | 31,835
CBS Radio [Member] | OtherNoncurrentLiabilitiesMember | Adjustment [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities acquired | 1,926 |  |  |  |  |  |  |  | 1,926 |  |  |
CBS Radio [Member] | Leasehold improvements [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross | 36,029 |  |  |  |  |  |  |  | 36,029 |  |  |
CBS Radio [Member] | Leasehold improvements [Member] | As Previously Reported [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross |  |  |  |  |  |  |  |  |  |  |  | 26,255
CBS Radio [Member] | Leasehold improvements [Member] | Adjustment [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross | 9,774 |  |  |  |  |  |  |  | 9,774 |  |  |
CBS Radio [Member] | Furniture and equipment [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross | 4,080 |  |  |  |  |  |  |  | 4,080 |  |  |
CBS Radio [Member] | Furniture and equipment [Member] | As Previously Reported [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross |  |  |  |  |  |  |  |  |  |  |  | 10,929
CBS Radio [Member] | Furniture and equipment [Member] | Adjustment [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross | (6,849) |  |  |  |  |  |  |  | (6,849) |  |  |
CBS Radio [Member] | Equipment [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross | 97,832 |  |  |  |  |  |  |  | 97,832 |  |  |
CBS Radio [Member] | Equipment [Member] | As Previously Reported [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross |  |  |  |  |  |  |  |  |  |  |  | 76,486
CBS Radio [Member] | Equipment [Member] | Adjustment [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross | 21,346 |  |  |  |  |  |  |  | 21,346 |  |  |
CBS Radio [Member] | Land and Land Improvements [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross | 1,348 |  |  |  |  |  |  |  | 1,348 |  |  |
CBS Radio [Member] | Land and Land Improvements [Member] | As Previously Reported [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross |  |  |  |  |  |  |  |  |  |  |  | 3,988
CBS Radio [Member] | Land and Land Improvements [Member] | Adjustment [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross | (2,640) |  |  |  |  |  |  |  | (2,640) |  |  |
CBS Radio [Member] | Land [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross | 112,880 |  |  |  |  |  |  |  | 112,880 |  |  |
CBS Radio [Member] | Land [Member] | As Previously Reported [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross |  |  |  |  |  |  |  |  |  |  |  | 112,880
CBS Radio [Member] | Land [Member] | Adjustment [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross | 0 |  |  |  |  |  |  |  | 0 |  |  |
CBS Radio [Member] | Building [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross | 14,040 |  |  |  |  |  |  |  | 14,040 |  |  |
CBS Radio [Member] | Building [Member] | As Previously Reported [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross |  |  |  |  |  |  |  |  |  |  |  | 19,246
CBS Radio [Member] | Building [Member] | Adjustment [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross | (5,206) |  |  |  |  |  |  |  | (5,206) |  |  |
CBS Radio [Member] | ConstructionInProgressMember | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross | 14,598 |  |  |  |  |  |  |  | 14,598 |  |  |
CBS Radio [Member] | ConstructionInProgressMember | As Previously Reported [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross |  |  |  |  |  |  |  |  |  |  |  | 14,598
CBS Radio [Member] | ConstructionInProgressMember | Adjustment [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross | 0 |  |  |  |  |  |  |  | 0 |  |  |
CBS Radio [Member] | Total Tangible Property Member [Member] | As Previously Reported [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross |  |  |  |  |  |  |  |  |  |  |  | 264,382
CBS Radio [Member] | Total Tangible Property Member [Member] | Adjustment [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross | 16,425 |  |  |  |  |  |  |  | 16,425 |  |  |
CBS Radio [Member] | Radio Broadcasting Licences [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets non amortizable | 1,880,400 |  |  |  |  |  |  |  | 1,880,400 |  |  |
CBS Radio [Member] | Radio Broadcasting Licences [Member] | As Previously Reported [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets non amortizable |  |  |  |  |  |  |  |  |  |  |  | 1,880,400
CBS Radio [Member] | Radio Broadcasting Licences [Member] | Adjustment [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets non amortizable | 0 |  |  |  |  |  |  |  | 0 |  |  |
CBS Radio [Member] | Goodwill [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets non amortizable | 799,463 |  |  |  |  |  |  |  | 799,463 |  |  |
CBS Radio [Member] | Goodwill [Member] | As Previously Reported [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets non amortizable |  |  |  |  |  |  |  |  |  |  |  | 820,961
CBS Radio [Member] | Goodwill [Member] | Adjustment [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets non amortizable | (21,498) |  |  |  |  |  |  |  | (21,498) |  |  |
CBS Radio [Member] | Advertiser lists and customer relationships [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets amortizable | 27,453 |  |  |  |  |  |  |  | 27,453 |  |  |
CBS Radio [Member] | Advertiser lists and customer relationships [Member] | As Previously Reported [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets amortizable |  |  |  |  |  |  |  |  |  |  |  | 27,453
CBS Radio [Member] | Advertiser lists and customer relationships [Member] | Adjustment [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets amortizable | 0 |  |  |  |  |  |  |  | 0 |  |  |
CBS Radio [Member] | Assets Held For Sale [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets amortizable | 255,650 |  |  |  |  |  |  |  | 255,650 |  |  |
CBS Radio [Member] | Assets Held For Sale [Member] | As Previously Reported [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total assets |  |  |  |  |  |  |  |  |  |  |  | 255,650
CBS Radio [Member] | Assets Held For Sale [Member] | Adjustment [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total assets | 0 |  |  |  |  |  |  |  | 0 |  |  |
CBS Radio [Member] | Lease Agreements [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets amortizable | 16,580 |  |  |  |  |  |  |  | 16,580 |  |  |
CBS Radio [Member] | Lease Agreements [Member] | As Previously Reported [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total assets |  |  |  |  |  |  |  |  |  |  |  | 16,580
CBS Radio [Member] | Lease Agreements [Member] | Adjustment [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total assets | 0 |  |  |  |  |  |  |  | 0 |  |  |
CBS Radio [Member] | Other Noncurrent Assets [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets amortizable | 5,226 |  |  |  |  |  |  |  | 5,226 |  |  |
CBS Radio [Member] | Other Noncurrent Assets [Member] | As Previously Reported [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total assets |  |  |  |  |  |  |  |  |  |  |  | 1,050
CBS Radio [Member] | Other Noncurrent Assets [Member] | Adjustment [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total assets | 4,176 |  |  |  |  |  |  |  | 4,176 |  |  |
Beasley Transatcion - CBS Radio Merger | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] | Assets Acquired Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | 36,233 |  |  |
Net assets acquired |  |  |  |  |  |  |  |  |  |  |  | 48,900
Unaudited Pro Forma Summary Of Financial Information |  |  |  |  |  |  |  |  |  |  |  |
Cash Acquired in Excess of Payments to Acquire Business |  |  |  |  |  |  |  |  | 12,000 |  |  |
Beasley Transatcion - CBS Radio Merger | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] | Assets Disposed Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | 48,093 |  |  |
Net assets acquired |  |  |  |  |  |  |  |  |  |  |  | 48,900
Unaudited Pro Forma Summary Of Financial Information |  |  |  |  |  |  |  |  |  |  |  |
Cash Acquired in Excess of Payments to Acquire Business |  |  |  |  |  |  |  |  | 0 |  |  |
Beasley Transatcion - CBS Radio Merger | OtherCurrentAssetsMember | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] | Assets Acquired Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | 0 |  |  |
Beasley Transatcion - CBS Radio Merger | OtherCurrentAssetsMember | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] | Assets Disposed Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | 267 |  |  |
Beasley Transatcion - CBS Radio Merger | Total Tangible Property Member [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] | Assets Acquired Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total tangible assets |  |  |  |  |  |  |  |  | 667 |  |  |
Beasley Transatcion - CBS Radio Merger | Total Tangible Property Member [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] | Assets Disposed Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total tangible assets |  |  |  |  |  |  |  |  | 807 |  |  |
Beasley Transatcion - CBS Radio Merger | Radio Broadcasting Licences [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] | Assets Acquired Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | 35,944 |  |  |
Beasley Transatcion - CBS Radio Merger | Radio Broadcasting Licences [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] | Assets Disposed Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | 35,944 |  |  |
Beasley Transatcion - CBS Radio Merger | Goodwill [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] | Assets Acquired Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | 289 |  |  |
Beasley Transatcion - CBS Radio Merger | Goodwill [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] | Assets Disposed Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | $ 11,882 |  |  |
i Heart Media Transaction - CBS Radio Merger | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Unaudited Pro Forma Summary Of Financial Information |  |  |  |  |  |  |  |  |  |  |  |
Discount Rates |  |  |  |  |  |  |  |  | 9.00% |  |  |
i Heart Media Transaction - CBS Radio Merger | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] | MeasurementInputLongTermRevenueGrowthRateMemberMember [Member] |  |  |  |  |  |  |  |  |  |  |  |
Unaudited Pro Forma Summary Of Financial Information |  |  |  |  |  |  |  |  |  |  |  |
LongTermRevenueGrowthRate |  |  |  |  |  |  |  |  | 1.00% |  |  |
i Heart Media Transaction - CBS Radio Merger | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] | Assets Acquired Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | $ 63,627 |  |  |
Net assets acquired |  |  |  |  |  |  |  |  |  |  |  | 71,300
i Heart Media Transaction - CBS Radio Merger | CurrentLiabilitiesDomain [Domain] | Unfavorable lease Liabilities Member [Member] | Assets Acquired Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities acquired |  |  |  |  |  |  |  |  |  |  |  | 1,301
i Heart Media Transaction - CBS Radio Merger | CurrentLiabilitiesDomain [Domain] | Deferred Tax Liability Member [Member] | Assets Acquired Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities acquired |  |  |  |  |  |  |  |  |  |  |  | $ 4,751
i Heart Media Transaction - CBS Radio Merger | Total Tangible Property Member [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] | Assets Acquired Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total tangible assets |  |  |  |  |  |  |  |  | 13,725 |  |  |
i Heart Media Transaction - CBS Radio Merger | Radio Broadcasting Licences [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] | Assets Acquired Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | 50,621 |  |  |
i Heart Media Transaction - CBS Radio Merger | Goodwill [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] | Assets Acquired Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | 11,700 |  |  |
i Heart Media Transaction - CBS Radio Merger | Advertiser lists and customer relationships [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] | Assets Acquired Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | 1,041 |  |  |
i Heart Media Transaction - CBS Radio Merger | Acquired advertising contracts [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] | Assets Acquired Member [Member] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | 265 |  |  |
Bonneville Transaction - CBS Radio Member | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Unaudited Pro Forma Summary Of Financial Information |  |  |  |  |  |  |  |  |  |  |  |
Gain Loss on sale of station |  |  |  |  |  |  |  |  | 200 |  |  |
ProceedsFromDivestitureOfBusinesses |  |  |  |  |  |  |  |  | 141,000 |  |  |
Bonneville Transaction - CBS Radio Member |  |  |  |  |  |  |  |  |  |  |  |
Unaudited Pro Forma Summary Of Financial Information |  |  |  |  |  |  |  |  |  |  |  |
Gain Loss on sale of station |  |  |  |  |  |  |  |  | 200 |  |  |
ProceedsFromDivestitureOfBusinesses |  |  |  |  |  |  |  |  | 140,300 |  |  |
EMF Sale [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Unaudited Pro Forma Summary Of Financial Information |  |  |  |  |  |  |  |  |  |  |  |
Gain Loss on sale of station |  |  |  |  |  |  |  |  | 2,500 |  |  |
ProceedsFromDivestitureOfBusinesses |  |  |  |  |  |  |  |  | 57,800 |  |  |
Emmis [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  |  |  |  |  |  |  | 15,000 |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | 13,442 |  |  |
Total assets | 15,000 |  |  |  |  |  |  |  | 15,000 |  |  |
Net assets acquired | 15,000 |  |  |  |  |  |  |  | $ 15,000 |  |  |
Unaudited Pro Forma Summary Of Financial Information |  |  |  |  |  |  |  |  |  |  |  |
Discount Rates |  |  |  |  |  |  |  |  | 9.00% |  |  |
Emmis [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] | MeasurementInputLongTermRevenueGrowthRateMemberMember [Member] |  |  |  |  |  |  |  |  |  |  |  |
Unaudited Pro Forma Summary Of Financial Information |  |  |  |  |  |  |  |  |  |  |  |
LongTermRevenueGrowthRate |  |  |  |  |  |  |  |  | 1.00% |  |  |
Emmis [Member] | Equipment [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross | 1,558 |  |  |  |  |  |  |  | $ 1,558 |  |  |
Emmis [Member] | Equipment [Member] | Maximum [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Tangible assets amortization period |  |  |  |  |  |  |  |  | 7 years |  |  |
Emmis [Member] | Equipment [Member] | Minimum [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Tangible assets amortization period |  |  |  |  |  |  |  |  | 3 years |  |  |
Emmis [Member] | Total Tangible Property Member [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Gross | 1,558 |  |  |  |  |  |  |  | $ 1,558 |  |  |
Emmis [Member] | Radio Broadcasting Licences [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | 12,785 |  |  |
Emmis [Member] | Goodwill [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | 332 |  |  |
Emmis [Member] | Advertiser lists and customer relationships [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | $ 207 |  |  |
Emmis [Member] | Advertiser lists and customer relationships [Member] | Maximum [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets amortization period |  |  |  |  |  |  |  |  | 15 years |  |  |
Emmis [Member] | Advertiser lists and customer relationships [Member] | Minimum [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets amortization period |  |  |  |  |  |  |  |  | 5 years |  |  |
Emmis [Member] | Acquired advertising contracts [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | $ 114 |  |  |
Emmis [Member] | Acquired advertising contracts [Member] | Maximum [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets amortization period |  |  |  |  |  |  |  |  | 1 year |  |  |
Emmis [Member] | Acquired advertising contracts [Member] | Minimum [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets amortization period |  |  |  |  |  |  |  |  | 1 year |  |  |
Emmis [Member] | Other Noncurrent Assets [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | $ 4 |  |  |
Emmis [Member] | Other Noncurrent Assets [Member] | Maximum [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets amortization period |  |  |  |  |  |  |  |  | 2 years |  |  |
Emmis [Member] | Other Noncurrent Assets [Member] | Minimum [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets amortization period |  |  |  |  |  |  |  |  | 2 years |  |  |
Jerry Lee [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  |  |  |  |  |  |  | $ 57,500 |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | 55,453 |  |  |
Total assets | 56,434 |  |  |  |  |  |  |  | 56,434 |  |  |
Net assets acquired | $ 56,434 |  |  |  |  |  |  |  | $ 56,434 |  |  |
Unaudited Pro Forma Summary Of Financial Information |  |  |  |  |  |  |  |  |  |  |  |
Discount Rates |  |  |  |  |  |  |  |  | 9.00% |  |  |
Jerry Lee [Member] | Maximum [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Tangible assets amortization period |  |  |  |  |  |  |  |  | 7 years |  |  |
Jerry Lee [Member] | Minimum [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Tangible assets amortization period |  |  |  |  |  |  |  |  | 3 years |  |  |
Jerry Lee [Member] | Equipment [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total tangible assets |  |  |  |  |  |  |  |  | $ 981 |  |  |
Jerry Lee [Member] | Equipment [Member] | Minimum [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Tangible assets amortization period |  |  |  |  |  |  |  |  | 3 years |  |  |
Jerry Lee [Member] | Total Tangible Property Member [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total tangible assets |  |  |  |  |  |  |  |  | $ 981 |  |  |
Jerry Lee [Member] | Radio Broadcasting Licences [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | 27,346 |  |  |
Jerry Lee [Member] | Goodwill [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | 24,396 |  |  |
Jerry Lee [Member] | Acquired advertising contracts [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | $ 477 |  |  |
Jerry Lee [Member] | Acquired advertising contracts [Member] | Maximum [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets amortization period |  |  |  |  |  |  |  |  | 1 year |  |  |
Jerry Lee [Member] | Acquired advertising contracts [Member] | Minimum [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets amortization period |  |  |  |  |  |  |  |  | 1 year |  |  |
Jerry Lee [Member] | Other Noncurrent Assets [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price allocation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total intangible assets |  |  |  |  |  |  |  |  | $ 3,234 |  |  |
Beasley - WXTU [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Unaudited Pro Forma Summary Of Financial Information |  |  |  |  |  |  |  |  |  |  |  |
Gain Loss on sale of station |  |  |  |  |  |  |  |  | 4,400 |  |  |
ProceedsFromDivestitureOfBusinesses |  |  |  |  |  |  |  |  | $ 38,000 |  |  |
Beasley - WXTU [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] | MeasurementInputLongTermRevenueGrowthRateMemberMember [Member] |  |  |  |  |  |  |  |  |  |  |  |
Unaudited Pro Forma Summary Of Financial Information |  |  |  |  |  |  |  |  |  |  |  |
LongTermRevenueGrowthRate |  |  |  |  |  |  |  |  | 1.00% |  |  |

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- References No definition available. + Details
Name: | etm_AcquisitionPurchasePriceAllocationAbstract
Namespace Prefix: | etm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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