LONG-TERM DEBT - Net Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Debt Disclosure [Abstract]
Interest expense	$ 22,539	$ 20,967
Amortization of deferred financing costs	1,259	1,041
Amortization of original issue premium of senior notes	(256)	(848)
Interest income and other investment income	(71)	0
Total net interest expense	$ 23,471	$ 21,160