GOODWILL, RADIO BROADCASTING LICENSES AND OTHER INTANGIBLE ASSETS - Goodwill Valuation Results (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
GOODWILL AND RADIO BROADCASTING LICENSES
Gross goodwill	$ 378,079
Additions	437
Impairments	(4,325)
Accumulated impairment losses	(154,207)
Audacy asset exchange	(470)
Net goodwill	219,514	$ 223,402
Radio Broadcasting Segment [Member]
GOODWILL AND RADIO BROADCASTING LICENSES
Gross goodwill	155,000
Additions	437
Impairments	(4,325)
Accumulated impairment losses	(117,748)
Audacy asset exchange	(470)
Net goodwill	32,894
Reach Media Segment [Member]
GOODWILL AND RADIO BROADCASTING LICENSES
Gross goodwill	30,468
Additions	0
Impairments	0
Accumulated impairment losses	(16,114)
Net goodwill	14,354
Digital Segment [Member]
GOODWILL AND RADIO BROADCASTING LICENSES
Gross goodwill	27,567
Additions	0
Impairments	0
Accumulated impairment losses	(20,345)
Net goodwill	7,222
Cable Television Segment [Member]
GOODWILL AND RADIO BROADCASTING LICENSES
Gross goodwill	165,044
Additions	0
Impairments	0
Accumulated impairment losses	0
Net goodwill	$ 165,044