GOODWILL AND OTHER INTANGIBLE ASSETS - Intangible Assets Excluding Goodwill (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
GOODWILL AND RADIO BROADCASTING LICENSES
Accumulated Amortization	$ (77,191)	$ (72,035)
Trade Name - unamortized	26,600	39,690
Intangible assets, total	108,051	121,139
Intangible assets, total, excluding amortization of finite lived assets	30,860	49,104
Intellectual property
GOODWILL AND RADIO BROADCASTING LICENSES
Gross Carrying Amount	6,503	6,503
Accumulated Amortization	$ (6,503)	(6,503)
Remaining Weighted- Average Period of Amortization	0 years
Intellectual property | Minimum
GOODWILL AND RADIO BROADCASTING LICENSES
Period of Amortization	4 years
Intellectual property | Maximum
GOODWILL AND RADIO BROADCASTING LICENSES
Period of Amortization	10 years
Advertiser agreements
GOODWILL AND RADIO BROADCASTING LICENSES
Gross Carrying Amount	$ 47,687	47,687
Accumulated Amortization	$ (47,687)	(47,687)
Net Amount		0
Remaining Weighted- Average Period of Amortization	0 years
Advertiser agreements | Minimum
GOODWILL AND RADIO BROADCASTING LICENSES
Period of Amortization	1 year
Advertiser agreements | Maximum
GOODWILL AND RADIO BROADCASTING LICENSES
Period of Amortization	12 years
Brand names
GOODWILL AND RADIO BROADCASTING LICENSES
Gross Carrying Amount	$ 4,161	4,159
Accumulated Amortization	(3,803)	(3,637)
Net Amount	$ 358	522
Period of Amortization	10 years
Remaining Weighted- Average Period of Amortization	3 years 1 month 6 days
Launch assets, net of current portion
GOODWILL AND RADIO BROADCASTING LICENSES
Gross Carrying Amount	$ 22,798	22,798
Accumulated Amortization	(19,071)	(14,091)
Net Amount	$ 3,727	8,707
Remaining Weighted- Average Period of Amortization	2 years 2 months 12 days
Other
GOODWILL AND RADIO BROADCASTING LICENSES
Gross Carrying Amount	$ 302	302
Accumulated Amortization	(127)	(117)
Net Amount	$ 175	$ 185
Remaining Weighted- Average Period of Amortization	5 years 4 months 24 days
Other | Minimum
GOODWILL AND RADIO BROADCASTING LICENSES
Period of Amortization	1 year
Other | Maximum
GOODWILL AND RADIO BROADCASTING LICENSES
Period of Amortization	15 years