INTANGIBLE ASSETS AND GOODWILL - Broadcasting Licenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Indefinite-Lived Intangible Assets [Roll Forward]
Beginning Balance	$ 2,089,226	$ 2,251,546
Disposition of radio stations	(4,956)	(4,377)
Acquisitions	0	2,002
Loss on impairment	(1,289,499)	(159,089)
Assets held for sale	0	(856)
Ending Balance	$ 794,771	$ 2,089,226
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]	Asset Impairment Charges	Asset Impairment Charges