v3.10.0.1

ACQUISITIONS, DIVESTITURES AND PRO FORMA SUMMARY (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended			6 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2018	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Nov. 17, 2017
Acquisition [Line Items]
Payments to Acquire Businesses, Gross					$ 71,434	$ 24,000
Purchase price allocation [Abstract]
Property Plant And Equipment Net	$ 328,041	$ 346,507			328,041		$ 346,507
The expense recognized in the consolidated statement of income as merger and acquisition costs [Abstract]
Merger and acquisition costs and restructuring charges	697		$ 8,825		2,768	24,925
Restructuring Charges	852		0		3,019	0
Transition Services Costs					0
Other Restructuring Costs	(80)		0		392	0
Total Restructuring Charge and Transition Services					0
Lease Abandonment Costs					257	0
Changes in Estimates					0	0
Workforce Reduction	1,410		0		2,338	0
Costs to Exit Duplicative Contracts	478		0		32	0
Unaudited Pro Forma Summary Of Financial Information
Net revenues	379,933		418,902		1,061,891	1,195,338
Net income	$ 38,937		$ 36,659		$ 31,428	$ 85,270
Net income per common share - basic	$ 0.28		$ 0.26		$ 0.23	$ 0.59
Net income per common share - diluted	$ 0.28		$ 0.26		$ 0.23	$ 0.59
Net income, available to common shareholders	$ 38,937		$ 35,996		$ 31,428	$ 83,507
ProFormaWeightedAverageSharesOutstandingDiluted	139,102,560		141,135,470		139,684,890	140,362,282
WeightedAverageBasicSharesOutstandingProForma	138,740,243		140,362,282		138,901,037	140,355,027
Income (Loss) from Continuing Operations, Per Outstanding Share, Total	$ 0.26		$ 0.09		$ 0.17	$ (0.01)
Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share	0		0		0.01	0
Income (Loss) from Continuing Operations, Per Diluted Share	0.26		0.09		0.17	(0.01)
Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share	$ 0		$ 0		$ 0.01	$ 0
Weighted Average Number Of Shares Outstanding Basic	138,740,243		38,954,788		138,901,037	38,947,533
Weighted Average Number Of Diluted Shares Outstanding	139,102,560		39,727,976		139,684,890	38,947,533
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	$ 36,590	$ 232,665	$ 4,100		$ 23,981	$ 1,184
Income Loss From Discontinued Operations Net Of Tax	358		$ 0		1,530	$ 0
Adjustment to Acquired Goodwill Current Assets					1,300
Adjustments to Acquired Goodwill TIA					2,300
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
CBS Radio [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain]
Purchase price allocation [Abstract]
Total intangible assets					2,999,619		$ 3,002,094
Total assets	3,539,901				3,539,901
Net assets acquired	1,168,848				1,168,848
Total current assets	275,900				275,900
Total current liabilities	133,283				133,283
Total liabilities acquired	2,371,053				2,371,053
Property, Plant and Equipment, Gross	264,382				264,382
CBS Radio [Member] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] | MeasurementInputLongTermRevenueGrowthRateMember [Member]
Unaudited Pro Forma Summary Of Financial Information
Long Term Revenue Growth Rate							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	777,883				777,883
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	35,498				35,498
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 intangible assets					2,475		$ 3,002,094
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	(258)				(258)
Net assets acquired	0				0
Total current assets	2,217				2,217
Total current liabilities	765				765
Total liabilities acquired	(258)				(258)
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	(2,949)				(2,949)
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	344				344
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	81,407				81,407
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	4,921				4,921
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	0				0
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	814,310				814,310
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	(6,651)				(6,651)
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
Bonneville Transaction - CBS Radio Member | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain]
Unaudited Pro Forma Summary Of Financial Information
Gain Loss on sale of station					400
ProceedsFromDivestitureOfBusinesses					141,000
Bonneville Transaction - CBS Radio Member
Unaudited Pro Forma Summary Of Financial Information
Gain Loss on sale of station				$ 400
ProceedsFromDivestitureOfBusinesses				$ 140,300
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] | MeasurementInputLongTermRevenueGrowthRateMember [Member]
Unaudited Pro Forma Summary Of Financial Information
Long Term Revenue Growth Rate					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] | CurrentLiabilitiesDomain [Domain] | LongTermLiabilitiesDomain [Domain] | MeasurementInputLongTermRevenueGrowthRateMember [Member]
Unaudited Pro Forma Summary Of Financial Information
Long Term Revenue Growth Rate					1.00%
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
ProceedsFromDivestitureOfBusinesses					$ 38,000

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