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SERVICER ADVANCE INVESTMENTS - Narrative (Details) - Advance Purchaser LLC
$ in Millions
Mar. 31, 2025
USD ($)
Servicing Assets at Fair Value [Line Items]  
Capital distributed to third-party co-investors $ 71.8
Capital distributed to new residential $ 600.6
Corporate Joint Venture  
Servicing Assets at Fair Value [Line Items]  
Ownership percentage 89.30%