GOODWILL AND OTHER INTANGIBLE ASSETS - Goodwill Valuation Results (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
GOODWILL AND RADIO BROADCASTING LICENSES
Gross goodwill	$ 378,046	$ 378,046	$ 378,046
Accumulated impairment losses	(181,621)	(161,447)	(161,447)
Additions	0	0
Impairments	(20,174)	0
Net goodwill	196,425	216,599	216,599
Radio Broadcasting
GOODWILL AND RADIO BROADCASTING LICENSES
Gross goodwill	154,967	154,967	154,967
Accumulated impairment losses	(124,988)	(124,988)	(124,988)
Additions	0	0
Impairments	0	0
Net goodwill	29,979	29,979	29,979
Reach Media
GOODWILL AND RADIO BROADCASTING LICENSES
Gross goodwill	30,468	30,468	30,468
Accumulated impairment losses	(16,114)	(16,114)	(16,114)
Additions	0	0
Impairments	0	0
Net goodwill	14,354	14,354	14,354
Digital
GOODWILL AND RADIO BROADCASTING LICENSES
Gross goodwill	27,567	27,567	27,567
Accumulated impairment losses	(20,345)	(20,345)	(20,345)
Additions	0	0
Impairments	0	0
Net goodwill	7,222	7,222	7,222
Cable Television
GOODWILL AND RADIO BROADCASTING LICENSES
Gross goodwill	165,044	165,044	165,044
Accumulated impairment losses	(20,174)	0	0
Additions	0	0
Impairments	(20,174)	0
Net goodwill	$ 144,870	$ 165,044	$ 165,044