Quarterly report pursuant to Section 13 or 15(d)

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)

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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)
Sep. 30, 2023
Discount rate  
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]  
Measurement input 0.120
Minimum | Life in years  
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]  
Measurement input 0.4
Minimum | Conditional prepayment rate including voluntary and involuntary prepayments  
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]  
Measurement input 0.020
Maximum | Life in years  
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]  
Measurement input 9.4
Maximum | Conditional prepayment rate including voluntary and involuntary prepayments  
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]  
Measurement input 0.445
Weighted Average | Life in years  
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]  
Measurement input 7.8
Weighted Average | Weighted average interest rate  
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]  
Measurement input 0.077
Weighted Average | Conditional prepayment rate including voluntary and involuntary prepayments  
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]  
Measurement input 0.126