SERVICER ADVANCE INVESTMENTS - Summary of Investments in Servicer Advances - Components of Funded Advances (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Servicing Assets at Fair Value [Line Items]
Total	$ 321,531	$ 339,646
Servicer Advance Investments | Servicer advance investments
Servicing Assets at Fair Value [Line Items]
Principal and interest advances	46,378	51,135
Escrow advances (taxes and insurance advances)	130,494	137,072
Foreclosure advances	106,196	110,738
Total	$ 283,068	$ 298,945