REVENUE - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Net revenues	$ 298,513	$ 319,439	$ 558,148	$ 594,734
Spot revenues
Disaggregation of Revenue [Line Items]
Net revenues	187,114	204,486	346,423	379,621
Digital revenues
Disaggregation of Revenue [Line Items]
Net revenues	66,655	69,300	123,580	127,339
Network revenues
Disaggregation of Revenue [Line Items]
Net revenues	20,824	21,789	40,692	42,929
Sponsorships and event revenues
Disaggregation of Revenue [Line Items]
Net revenues	11,938	11,638	24,382	21,964
Other revenues
Disaggregation of Revenue [Line Items]
Net revenues	$ 11,982	$ 12,226	$ 23,071	$ 22,881