TRANSACTIONS WITH RELATED PARTIES (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Related Party Transaction [Line Items]
Fee receivables, non-current	[1]	$ 30,709		$ 30,709		$ 29,182
Total revenue from fees, net	[2]	317,714	$ 242,594	600,418	$ 479,598
Variable Interest Entity, Not Primary Beneficiary
Related Party Transaction [Line Items]
Loan principal purchased		2,000	14,500	5,800	19,500
Loss on loans purchased		1,900	13,400	5,400	18,400
Related Party
Related Party Transaction [Line Items]
Fee receivables, current		64,300		64,300		70,200
Fee receivables, non-current		30,700		30,700		29,200
Total revenue from fees, net		146,600	175,300	314,500	353,800
Related Party | Prepaid Expense And Other Assets, Noncurrent
Related Party Transaction [Line Items]
Fee receivables, non-current		9,400		9,400		15,200
Related Party | Securitization Vehicles
Related Party Transaction [Line Items]
Fee receivables		72,600		72,600		79,000
Total revenue from fees, net		137,900	157,200	297,000	319,800
Related Party | Other Financing Vehicles
Related Party Transaction [Line Items]
Fee receivables		22,400		22,400		$ 20,400
Total revenue from fees, net		$ 8,700	$ 18,100	$ 17,500	$ 34,000

[1] (2) See Note 9 for additional information regarding the transactions with related parties.

[2] (1) See Note 9 for additional information regarding the transactions with related parties