INTANGIBLE ASSETS AND GOODWILL - Broadcasting Licenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Indefinite-Lived Intangible Assets [Roll Forward]
Beginning Balance	$ 2,251,546	$ 2,229,016
Disposition of radio stations	(4,377)	0
Acquisitions	2,002	23,233
Loss on impairment	(159,089)	0
Assets held for sale	(856)	(703)
Ending Balance	$ 2,089,226	$ 2,251,546
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]	Asset Impairment Charges	Asset Impairment Charges