SEGMENT INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Segment Reporting Information [Line Items]
Net Revenue:	$ 110,730	$ 112,078	$ 325,557	$ 331,005
Operating Expenses (including stock-based compensation and excluding depreciation and amortization and impairment of long-lived assets):	70,296	83,351	229,903	244,217
Depreciation and Amortization:	8,333	8,804	24,869	25,548
Impairment of Long-Lived Assets:	0	16,392	6,556	29,148
Operating income (loss):	32,101	3,531	64,229	32,092
Payments to Acquire Productive Assets	4,399	964	6,477	4,712
Total Assets:	1,287,541		1,287,541		$ 1,316,755
Radio Broadcasting
Segment Reporting Information [Line Items]
Net Revenue:	45,958	45,184	131,924	133,082
Operating Expenses (including stock-based compensation and excluding depreciation and amortization and impairment of long-lived assets):	29,373	27,887	85,588	83,381
Depreciation and Amortization:	872	923	2,590	2,819
Impairment of Long-Lived Assets:	0	16,392	6,556	29,148
Operating income (loss):	15,713	(18)	37,190	17,734
Payments to Acquire Productive Assets	2,663	425	3,232	2,095
Total Assets:	729,590		729,590		751,664
Radio Broadcasting | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net Revenue:	(200)	(78)	(1,956)	(410)
Reach Media
Segment Reporting Information [Line Items]
Net Revenue:	10,822	10,491	33,721	35,682
Operating Expenses (including stock-based compensation and excluding depreciation and amortization and impairment of long-lived assets):	8,740	10,018	29,700	33,792
Depreciation and Amortization:	63	52	189	158
Impairment of Long-Lived Assets:	0	0	0	0
Operating income (loss):	2,019	421	3,832	1,732
Payments to Acquire Productive Assets	37	34	83	102
Total Assets:	40,901		40,901		39,928
Digital
Segment Reporting Information [Line Items]
Net Revenue:	8,749	8,107	23,454	20,353
Operating Expenses (including stock-based compensation and excluding depreciation and amortization and impairment of long-lived assets):	9,363	8,178	28,830	23,040
Depreciation and Amortization:	482	812	1,435	1,616
Impairment of Long-Lived Assets:	0	0	0	0
Operating income (loss):	(1,096)	(883)	(6,811)	(4,303)
Payments to Acquire Productive Assets	327	302	1,087	847
Total Assets:	23,253		23,253		28,407
Cable Television
Segment Reporting Information [Line Items]
Net Revenue:	45,401	48,374	138,414	142,298
Operating Expenses (including stock-based compensation and excluding depreciation and amortization and impairment of long-lived assets):	22,795	29,029	72,072	82,334
Depreciation and Amortization:	6,577	6,567	19,690	19,696
Impairment of Long-Lived Assets:	0	0	0	0
Operating income (loss):	16,029	12,778	46,652	40,268
Payments to Acquire Productive Assets	474	31	573	234
Total Assets:	416,146		416,146		435,031
Corporate/Eliminations
Segment Reporting Information [Line Items]
Net Revenue:	(200)	(78)	(1,956)	(410)
Operating Expenses (including stock-based compensation and excluding depreciation and amortization and impairment of long-lived assets):	25	8,239	13,713	21,670
Depreciation and Amortization:	339	450	965	1,259
Impairment of Long-Lived Assets:	0	0	0	0
Operating income (loss):	(564)	(8,767)	(16,634)	(23,339)
Payments to Acquire Productive Assets	898	$ 172	1,502	$ 1,434
Total Assets:	$ 77,651		$ 77,651		$ 61,725