SUPPLEMENTAL CASH FLOW DISCLOSURES ON NON-CASH ACTIVITIES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating Activities
Barter revenues	$ 11,396	$ 10,107	$ 9,616
Barter expenses	11,396	10,094	9,604
Financing Activities
Increase in paid-in capital from the issuance of RSUs	2,742	10,836	10,073
Decrease in paid-in capital from the forfeiture of RSUs	(2,674)	(678)	(624)
Net paid-in capital of RSUs issued (forfeited)	68	10,158	9,449
Investing Activities
Change in noncash additions to property and equipment and intangibles	(8,757)	(1,813)	2,901
Net radio station assets given up in a market	(4,496)	(21,407)	0
Net radio station assets acquired in a market	1,959	25,487	0
Contingent Consideration	$ 0	$ 7,714	$ 0