GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS - Intangible Assets Excluding Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 138,721				$ 123,427
Less: Accumulated amortization	(83,528)				(75,506)
Net Amount	55,193				47,921
Other intangible assets, net	$ 55,193	$ 57,367	$ 59,422	$ 61,564	47,921	$ 49,508	$ 50,744	$ 51,988
Remaining Weighted-Average Period of Amortization	3 years 1 month 6 days
Brand names - unamortized [Member]
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 39,690				39,690
Net Amount	39,690				39,690
Trade names [Member]
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	17,431				17,425
Less: Accumulated amortization	(17,418)				(17,405)
Net Amount	$ 13				20
Remaining Weighted-Average Period of Amortization	1 year 7 months 6 days
Trade names [Member] | Maximum
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Period of Amortization	5 years
Trade names [Member] | Minimum
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Period of Amortization	1 year
Intellectual property [Member]
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 6,878				6,878
Less: Accumulated amortization	$ (6,878)				(6,878)
Remaining Weighted-Average Period of Amortization	0 years
Intellectual property [Member] | Maximum
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Period of Amortization	10 years
Intellectual property [Member] | Minimum
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Period of Amortization	4 years
Advertiser agreements [Member]
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 46,669				46,582
Less: Accumulated amortization	(45,728)				(42,276)
Net Amount	$ 941				4,306
Remaining Weighted-Average Period of Amortization	2 months 12 days
Advertiser agreements [Member] | Maximum
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Period of Amortization	12 years
Advertiser agreements [Member] | Minimum
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Period of Amortization	1 year
Brand names [Member]
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 4,413				4,413
Less: Accumulated amortization	(3,732)				(3,558)
Net Amount	$ 681				855
Remaining Weighted-Average Period of Amortization	4 years 9 months 18 days
Finite-Lived Intangible Asset, Period of Amortization	10 years
Launch assets [Member]
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 22,791				7,597
Less: Accumulated amortization	(9,104)				(4,724)
Net Amount	$ 13,687				2,873
Remaining Weighted-Average Period of Amortization	3 years 9 months 18 days
Other intangibles [Member]
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 849				842
Less: Accumulated amortization	(668)				(665)
Net Amount	$ 181				$ 177
Remaining Weighted-Average Period of Amortization	3 years 3 months 18 days
Other intangibles [Member] | Maximum
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Period of Amortization	15 years
Other intangibles [Member] | Minimum
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Period of Amortization	1 year