GOODWILL AND INTANGIBLE ASSETS Other Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets, Gross	$ 323,866	$ 319,461
Finite-Lived Intangible Assets, Accumulated Amortization	(185,752)	(181,121)
Finite-Lived Intangible Assets, Net	138,114	138,340
Trademarks [Member]
Indefinite-Lived Intangible Assets (Excluding Goodwill)	81,396	80,324
Finite-Lived Intangible Assets, Gross	598	591
Finite-Lived Intangible Assets, Accumulated Amortization	(598)	(591)
Finite-Lived Intangible Assets, Net	0	0
Broadcast Licenses [Member]
Finite-Lived Intangible Assets, Gross	188,313	185,686
Finite-Lived Intangible Assets, Accumulated Amortization	(133,905)	(130,325)
Finite-Lived Intangible Assets, Net	54,408	55,361
Customer Relationships [Member]
Finite-Lived Intangible Assets, Gross	52,015	51,338
Finite-Lived Intangible Assets, Accumulated Amortization	(49,895)	(48,997)
Finite-Lived Intangible Assets, Net	$ 2,120	2,341
Customer Relationships [Member] | Minimum [Member]
Finite-Lived Intangible Assets, Useful Life (in years)	5 years
Customer Relationships [Member] | Maximum [Member]
Finite-Lived Intangible Assets, Useful Life (in years)	15 years
Other Intangible Assets [Member]
Finite-Lived Intangible Assets, Gross	$ 1,544	1,522
Finite-Lived Intangible Assets, Accumulated Amortization	(1,354)	(1,208)
Finite-Lived Intangible Assets, Net	$ 190	$ 314