INTANGIBLE ASSETS AND GOODWILL - Assumption used for Impairment Analysis (Details)	3 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022
Goodwill | Podcasting Reporting Unit
Estimates And Assumptions Used For Impairment Test [Line Items]
Discount rate	11.50%	11.50%	11.00%
Broadcasting Licenses
Estimates And Assumptions Used For Impairment Test [Line Items]
Discount rate	10.00%	9.50%	9.50%
Forecasted growth rate range of the Company's markets		0.00%
Broadcasting Licenses | Minimum
Estimates And Assumptions Used For Impairment Test [Line Items]
Operating profit margin ranges for average stations in markets where the Company operates	18.00%	18.00%	18.00%
Forecasted growth rate range of the Company's markets	(2.00%)		0.00%
Broadcasting Licenses | Maximum
Estimates And Assumptions Used For Impairment Test [Line Items]
Operating profit margin ranges for average stations in markets where the Company operates	32.00%	32.00%	33.00%
Forecasted growth rate range of the Company's markets	0.00%		0.60%