INTANGIBLE ASSETS AND GOODWILL - Assumption of Impairment (Details)	3 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
License
Estimates And Assumptions Used For Impairment Test [Line Items]
Discount rate	9.50%	8.50%
License | Minimum
Estimates And Assumptions Used For Impairment Test [Line Items]
Operating profit margin ranges for average stations in markets where the Company operates	19.60%	19.60%
Forecasted growth rate (including long-term growth rate) range of the Company's markets	0.00%	0.00%
License | Maximum
Estimates And Assumptions Used For Impairment Test [Line Items]
Operating profit margin ranges for average stations in markets where the Company operates	32.90%	33.30%
Forecasted growth rate (including long-term growth rate) range of the Company's markets	0.60%	0.60%
Goodwill | Podcasting Reporting Unit
Estimates And Assumptions Used For Impairment Test [Line Items]
Discount rate	11.00%	9.50%
Goodwill | QLGG Reporting Unit
Estimates And Assumptions Used For Impairment Test [Line Items]
Discount rate	13.00%	12.00%