ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Net Revenue	$ 115,206	$ 117,638	$ 214,827	$ 218,927
Radio Advertising [Member]
Net Revenue	48,880	52,017	93,502	98,205
Political Advertising [Member]
Net Revenue	1,182	731	1,383	974
Digital Advertising [Member]
Net Revenue	6,559	6,740	14,705	12,246
Cable Television Advertising [Member]
Net Revenue	18,118	18,988	37,054	40,129
Cable Television Affiliate Fees [Member]
Net Revenue	28,020	26,140	55,269	53,463
Event Revenues and Other [Member]
Net Revenue	$ 12,447	$ 13,022	$ 12,914	$ 13,910