REVENUE - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Net revenues	$ 316,969	$ 329,443	$ 911,703	$ 874,672
Spot revenues
Disaggregation of Revenue [Line Items]
Net revenues	204,742	220,562	584,363	577,561
Digital revenues
Disaggregation of Revenue [Line Items]
Net revenues	62,685	61,378	190,024	169,746
Network revenues
Disaggregation of Revenue [Line Items]
Net revenues	23,663	23,453	66,592	61,626
Sponsorships and event revenues
Disaggregation of Revenue [Line Items]
Net revenues	13,760	12,093	35,724	32,021
Other revenues
Disaggregation of Revenue [Line Items]
Net revenues	$ 12,119	$ 11,957	$ 35,000	$ 33,718