GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS - Intangible Assets Excluding Goodwill (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Accumulated Amortization	$ (72,035)	$ (83,528)
Remaining Weighted-Average Period of Amortization	3 years 6 months
Indefinite-Lived Intangible Assets (Excluding Goodwill)	$ 39,690	39,690
Intangible assets, total	121,139	138,721
Intangible assets, total, excluding amortization of finite lived assets	49,104	55,193
Trade names
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Gross Carrying Amount	68	17,431
Accumulated Amortization	(62)	(17,418)
Net Amount	$ 6	13
Remaining Weighted-Average Period of Amortization	10 months 24 days
Trade names | Maximum
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Period of Amortization	5 years
Trade names | Minimum
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Period of Amortization	1 year
Intellectual property
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Gross Carrying Amount	$ 6,503	6,878
Accumulated Amortization	$ (6,503)	(6,878)
Remaining Weighted-Average Period of Amortization	0 years
Intellectual property | Maximum
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Period of Amortization	10 years
Intellectual property | Minimum
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Period of Amortization	4 years
Advertiser agreements
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Gross Carrying Amount	$ 47,687	46,669
Accumulated Amortization	$ (47,687)	(45,728)
Net Amount		941
Remaining Weighted-Average Period of Amortization	0 years
Advertiser agreements | Maximum
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Period of Amortization	12 years
Advertiser agreements | Minimum
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Period of Amortization	1 year
Brand names
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Gross Carrying Amount	$ 4,159	4,413
Accumulated Amortization	(3,637)	(3,732)
Net Amount	$ 522	681
Finite-Lived Intangible Asset, Period of Amortization	10 years
Remaining Weighted-Average Period of Amortization	3 years 9 months 18 days
Launch assets, net of current portion
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Gross Carrying Amount	$ 22,798	22,791
Accumulated Amortization	(14,091)	(9,104)
Net Amount	$ 8,707	13,687
Remaining Weighted-Average Period of Amortization	2 years 10 months 24 days
Other intangibles
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Gross Carrying Amount	$ 234	849
Accumulated Amortization	(55)	(668)
Net Amount	$ 179	$ 181
Remaining Weighted-Average Period of Amortization	6 years 7 months 6 days
Other intangibles | Maximum
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Period of Amortization	15 years
Other intangibles | Minimum
Schedule of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Period of Amortization	1 year