ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Changes in AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accumulated other comprehensive income (loss)
Beginning balances	$ 601,931	$ 1,011,380	$ 359,217
Other comprehensive income (loss), net	10,464	(2,804)	1,937
Ending balances	624,324	601,931	1,011,380
Foreign Currency Translation
Accumulated other comprehensive income (loss)
Beginning balances	(7,870)	(10,925)
Other comprehensive income (loss) before reclassifications, net of tax	(1,505)	3,055
Other comprehensive income (loss), net	(1,505)	3,055
Ending balances	(9,375)	(7,870)	(10,925)
Unrealized Gain (Loss) on Interest Rate Hedge
Accumulated other comprehensive income (loss)
Beginning balances	(6,788)	(929)
Other comprehensive income (loss) before reclassifications, net of tax	9,010	(8,494)
Amounts reclassified out of AOCI, net of tax	2,959	2,635
Other comprehensive income (loss), net	11,969	(5,859)
Ending balances	5,181	(6,788)	(929)
Accumulated Other Comprehensive Income (Loss)
Accumulated other comprehensive income (loss)
Beginning balances	(14,658)	(11,854)	(13,791)
Other comprehensive income (loss) before reclassifications, net of tax	7,505	(5,439)
Amounts reclassified out of AOCI, net of tax	2,959	2,635
Other comprehensive income (loss), net	10,464	(2,804)	1,937
Ending balances	$ (4,194)	$ (14,658)	$ (11,854)