DEBT - Schedule of Interest Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Disclosure [Abstract]
Contractual and other interest expense	$ 9,759	$ 7,650	$ 8,195
Amortization of debt issuance costs	2,754	2,156	1,707
Amortization of debt discount	23,152	18,254	13,746
Capitalized interest (Note 7)	(3,915)	(2,389)	(20)
Total	$ 31,750	$ 25,671	$ 23,628
Effective interest rate on total debt	6.66%	7.15%	7.81%