COMMITMENTS AND CONTINGENCIES - Additional Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020
Other Commitments [Line Items]
Customer escrow balance	$ 8,000		$ 21,100
Financing receivable, allowance for credit loss	$ 68,926	$ 85,873	29,877	$ 26,988	$ 26,626	$ 33,591
Percent of cash tax savings paid	85.00%
TRA liability	$ 47,800		32,900
MSR Facilities
Other Commitments [Line Items]
Financing receivable, allowance for credit loss	6,500		400
Commitments to Extend Credit
Other Commitments [Line Items]
Commitments to originate loans	4,800,000		$ 12,700,000
Employment Litigation
Other Commitments [Line Items]
Loss contingency, damages sought	$ 75,000