SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Consolidated VIEs (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Variable Interest Entity [Line Items]
Restricted cash	$ 26,477	$ 28,226
Loans held for investment, at fair value	281,198	369,746
Total assets	2,744,819	2,059,912	$ 1,429,513
Borrowings (including borrowings of VIEs of $127.1 million and $186.6 million, respectively)	819,888	708,041
Total liabilities	2,347,249	1,763,630
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Restricted cash	6,303	6,303
Loans held for investment, at fair value	198,434	257,179
Total assets	204,737	263,482
Borrowings (including borrowings of VIEs of $127.1 million and $186.6 million, respectively)	127,050	186,635
Total liabilities	$ 127,050	$ 186,635