FAIR VALUE MEASUREMENTS - Fair value measured on recurring basis (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Employment Agreement Award
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, beginning of period	$ 10,426	$ 22,970
Net income attributable to redeemable non-controlling interests	0	0
Purchase of ownership interest in Reach Media	0	0
Purchase of ownership interest in Reach Media	0
Dividends paid to redeemable non-controlling interests	0	0
Change in fair value	637	(23)
Balance, end of period	11,063	22,947
Redeemable Non-controlling Interests
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, beginning of period	7,988	16,520
Net income attributable to redeemable non-controlling interests	3	242
Purchase of ownership interest in Reach Media	0	(7,603)
Purchase of ownership interest in Reach Media	(3,232)
Dividends paid to redeemable non-controlling interests	(936)	(1,799)
Change in fair value	(105)	1,004
Balance, end of period	$ 3,718	$ 8,364