v3.25.1
REVERSE MORTGAGE LOANS HELD FOR INVESTMENT AND HMBS-RELATED BORROWINGS - Schedule of Significant Unobservable Inputs Used to Value the Reverse Mortgage Loans Held for Investment and HMBS-related Borrowings (Details)
Mar. 31, 2025
Year
Dec. 31, 2024
Year
Minimum | Life in years    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Measurement input 0.1 0.1
Minimum | Discount rate    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Measurement input 0.120 0.120
Minimum | Conditional prepayment rate including voluntary and involuntary prepayments    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Measurement input 0.066 0.065
Maximum | Life in years    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Measurement input 9.2 9.2
Maximum | Discount rate    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Measurement input 0.120 0.120
Maximum | Conditional prepayment rate including voluntary and involuntary prepayments    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Measurement input 0.119 0.109
Weighted Average | Life in years    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Measurement input 6.6 6.8
Weighted Average | Discount rate    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Measurement input 0.120 0.120
Weighted Average | Conditional prepayment rate including voluntary and involuntary prepayments    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Measurement input 0.079 0.079