COMMITMENTS AND CONTINGENCIES - Additional Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020
Other Commitments [Line Items]
Customer escrow balance	$ 14,700		$ 21,100
Financing receivable, allowance for credit loss	$ 85,873	$ 41,159	29,877	$ 26,626	$ 30,052	$ 33,591
Percent of cash tax savings paid	85.00%
TRA liability	$ 48,800		32,900
Employment Litigation
Other Commitments [Line Items]
Loss contingency, damages sought	75,000
MSR Facilities
Other Commitments [Line Items]
Financing receivable, allowance for credit loss	9,800		400
Commitments to Extend Credit
Other Commitments [Line Items]
Commitments to originate loans	$ 7,700,000		$ 12,700,000