COMMITMENTS AND CONTINGENCIES - Loan Loss Obligation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	$ 41,159	$ 30,052	$ 29,877	$ 33,591
Provision for loan loss obligations	82,373	(533)	95,619	267
Charge-offs	(37,659)	(2,893)	(39,623)	(7,232)
Balance at end of period	$ 85,873	$ 26,626	$ 85,873	$ 26,626