GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS: (Details 7) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Assets, Gross	$ 310,445	$ 356,086
Less: Accumulated amortization	(135,933)	(153,493)
Other intangible assets, net	174,512	202,593
Trade Names [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Assets, Gross	17,344	17,133
Trade Names [Member] | Minimum [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Asset, Useful Life	2 years
Trade Names [Member] | Maximum [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Asset, Useful Life	5 years
Talent Agreement [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Assets, Gross	0	19,549
Finite-Lived Intangible Asset, Useful Life	10 years
Debt Financing And Modification Costs [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Assets, Gross	13,846	19,021
Finite-Lived Intangible Asset, Period of Amortization	Term of debt
Intellectual Property [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Assets, Gross	9,531	14,151
Intellectual Property [Member] | Minimum [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Asset, Useful Life	4 years
Intellectual Property [Member] | Maximum [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Asset, Useful Life	10 years
Affiliate Agreements [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Assets, Gross	178,986	186,755
Affiliate Agreements [Member] | Minimum [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Asset, Useful Life	1 year
Affiliate Agreements [Member] | Maximum [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Asset, Useful Life	10 years
Acquired Income Leases [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Assets, Gross	44	1,282
Acquired Income Leases [Member] | Minimum [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Asset, Useful Life	3 years
Acquired Income Leases [Member] | Maximum [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Asset, Useful Life	9 years
Noncompete Agreements [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Assets, Gross	0	1,260
Noncompete Agreements [Member] | Minimum [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Asset, Useful Life	1 year
Noncompete Agreements [Member] | Maximum [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Asset, Useful Life	3 years
Advertiser Agreements [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Assets, Gross	44,871	47,688
Advertiser Agreements [Member] | Minimum [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Asset, Useful Life	2 years
Advertiser Agreements [Member] | Maximum [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Asset, Useful Life	7 years
Favorable Office And Transmitter Leases [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Assets, Gross	2,097	3,358
Favorable Office And Transmitter Leases [Member] | Minimum [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Asset, Useful Life	2 years
Favorable Office And Transmitter Leases [Member] | Maximum [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Asset, Useful Life	60 years
Brand Names [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Assets, Gross	2,539	2,539
Finite-Lived Intangible Asset, Useful Life	2 years 6 months
Brand Names Unamortized [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Assets, Gross	40,134	39,688
Finite-Lived Intangible Asset, Period of Amortization	Indefinite
Other Intangibles Asset [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Assets, Gross	$ 1,053	$ 3,662
Other Intangibles Asset [Member] | Minimum [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Asset, Useful Life	1 year
Other Intangibles Asset [Member] | Maximum [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Finite-Lived Intangible Asset, Useful Life	5 years