GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS (Details 1) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Radio Broadcasting Licenses		$ 643,449	$ 643,239
Radio Broadcasting Licenses Increase (Decrease)	[1]	210
Unit Of Accounting 2 [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Radio Broadcasting Licenses		3,086	3,086
Radio Broadcasting Licenses Increase (Decrease)		0
Unit Of Accounting 4 [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Radio Broadcasting Licenses		16,142	16,142
Radio Broadcasting Licenses Increase (Decrease)		0
Unit Of Accounting 5 [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Radio Broadcasting Licenses		16,310	16,100
Radio Broadcasting Licenses Increase (Decrease)		210
Unit Of Accounting 7 [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Radio Broadcasting Licenses		15,871	15,871
Radio Broadcasting Licenses Increase (Decrease)		0
Unit Of Accounting 14 [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Radio Broadcasting Licenses		20,434	20,434
Radio Broadcasting Licenses Increase (Decrease)		0
Unit Of Accounting 15 [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Radio Broadcasting Licenses		20,736	20,736
Radio Broadcasting Licenses Increase (Decrease)		0
Unit Of Accounting 11 [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Radio Broadcasting Licenses		21,135	21,135
Radio Broadcasting Licenses Increase (Decrease)		0
Unit Of Accounting 9 [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Radio Broadcasting Licenses		34,270	34,270
Radio Broadcasting Licenses Increase (Decrease)		0
Unit Of Accounting 6 [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Radio Broadcasting Licenses		22,642	22,642
Radio Broadcasting Licenses Increase (Decrease)		0
Unit Of Accounting 16 [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Radio Broadcasting Licenses		52,965	52,965
Radio Broadcasting Licenses Increase (Decrease)		0
Unit Of Accounting 13 [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Radio Broadcasting Licenses		47,846	47,846
Radio Broadcasting Licenses Increase (Decrease)		0
Unit Of Accounting 8 [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Radio Broadcasting Licenses		62,015	62,015
Radio Broadcasting Licenses Increase (Decrease)		0
Unit Of Accounting 12 [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Radio Broadcasting Licenses		49,663	49,663
Radio Broadcasting Licenses Increase (Decrease)		0
Unit Of Accounting 1 [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Radio Broadcasting Licenses		93,394	93,394
Radio Broadcasting Licenses Increase (Decrease)		0
Unit Of Accounting 10 [Member]
Schedule of GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS [Line Items]
Radio Broadcasting Licenses		166,940	$ 166,940
Radio Broadcasting Licenses Increase (Decrease)		$ 0

[1] The amount listed is net of an impairment charge of approximately $1.3 million.