SEGMENT DATA (Details) - USD ($) $ in Thousands	1 Months Ended	2 Months Ended	3 Months Ended	4 Months Ended	6 Months Ended
May 01, 2019	Jun. 30, 2019	Jun. 30, 2018	May 01, 2019	Jun. 30, 2018
Segment Reporting Information [Line Items]
Revenue	$ 277,674	$ 635,646	$ 891,764	$ 1,073,471	$ 1,664,536
Direct operating expenses	92,581	184,291	263,752	359,696	504,818
Selling, general and administrative expenses	103,552	227,140	328,200	436,345	674,292
Corporate expenses	18,979	34,390	52,478	66,020	105,376
Depreciation and amortization	14,544	59,383	64,877	52,834	132,251
Impairment charges		0		91,382	0
Other operating income, net	(127)	3,246	(1,218)	(154)	(4,450)
Operating income	47,891	133,688	181,239	67,040	243,349
Capital expenditures	13,243	17,435	17,275	36,197	27,306
Share-based compensation expense	105	3,039	594	498	1,172
Operating segments \| Audio
Segment Reporting Information [Line Items]
Revenue	260,461	596,230	831,948	1,006,677	1,557,050
Direct operating expenses	90,254	179,471	256,861	350,501	490,802
Selling, general and administrative expenses	93,880	206,006	298,644	396,032	614,561
Corporate expenses		0	0		0
Depreciation and amortization	11,682	54,577	55,245	40,982	112,294
Impairment charges				0
Other operating income, net	0	0	0	0	0
Operating income	64,645	156,176	221,198	219,162	339,393
Capital expenditures	11,136	13,554	14,877	31,177	23,878
Share-based compensation expense	0	0	0	0	0
Operating segments \| Audio and Media Services
Segment Reporting Information [Line Items]
Revenue	17,970	40,537	61,417	69,362	110,759
Direct operating expenses	2,549	4,872	6,930	9,559	14,108
Selling, general and administrative expenses	10,203	22,195	31,118	42,497	62,898
Corporate expenses		0	0		0
Depreciation and amortization	1,204	3,619	4,508	5,266	9,558
Impairment charges				0
Other operating income, net	0	0	0	0	0
Operating income	4,014	9,851	18,861	12,040	24,195
Capital expenditures	577	830	654	1,263	770
Share-based compensation expense	0	0	0	0	0
Corporate and other reconciling items
Segment Reporting Information [Line Items]
Revenue	0	0	0	0	0
Direct operating expenses	0	0	0	0	0
Selling, general and administrative expenses	0	0	0	0	0
Corporate expenses	18,983	34,398	52,478	66,040	105,390
Depreciation and amortization	1,658	1,187	5,124	6,586	10,399
Impairment charges				91,382
Other operating income, net	(127)	3,246	(1,218)	(154)	(4,450)
Operating income	(20,768)	(32,339)	(58,820)	(164,162)	(120,239)
Capital expenditures	1,530	3,051	1,744	3,757	2,658
Share-based compensation expense	105	3,039	594	498	1,172
Eliminations
Segment Reporting Information [Line Items]
Revenue	(757)	(1,121)	(1,601)	(2,568)	(3,273)
Direct operating expenses	(222)	(52)	(39)	(364)	(92)
Selling, general and administrative expenses	(531)	(1,061)	(1,562)	(2,184)	(3,167)
Corporate expenses	(4)	(8)	0	(20)	(14)
Depreciation and amortization	0	0	0	0	0
Impairment charges				0
Other operating income, net	0	0	0	0	0
Operating income	0	0	0	0	0
Capital expenditures	0	0	0	0	0
Share-based compensation expense	0	0	0	0	0
Intersegment revenues
Segment Reporting Information [Line Items]
Revenue	757	1,121	1,601	2,568	3,273
Intersegment revenues \| Audio
Segment Reporting Information [Line Items]
Revenue	56	112	0	243	0
Intersegment revenues \| Audio and Media Services
Segment Reporting Information [Line Items]
Revenue	$ 701	$ 1,009	$ 1,601	$ 2,325	$ 3,273

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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