GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Oct. 01, 2015	Sep. 30, 2015
Schedule Of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Indefinite-Lived License Agreements	$ 643,449,000	$ 643,239,000
Amortization of Intangible Assets	26,200,000	26,300,000	$ 27,100,000
Cincinnati Market Goodwill [Member]
Schedule Of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Pre Tax Impairment Charges		3,100,000		$ 3,100,000
Impairment Testing [Member]
Schedule Of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	1,300,000	41,200,000	$ 0
Broadcasting Licenses Valuation [Member]
Schedule Of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Indefinite-Lived License Agreements	1,300,000
2015 Interim Impairment Testing [Member]
Schedule Of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Pre Tax Impairment Charges		$ 23,600,000			$ 14,500,000
2015 Annual Impairment Testing
Schedule Of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Pre Tax Impairment Charges				$ 23,600,000
2016 Annual Impairment Testing
Schedule Of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Pre Tax Impairment Charges	$ 1,300,000