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Fair Value - Schedule of Significant Assumptions used in Valuation (Details) | Dec. 31, 2023 year USD ($) | Jun. 30, 2023 | Dec. 31, 2022 year USD ($)
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Warehouse Mortgage Loan Financing Facility |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt instrument stated percentage of interest (percentage) |  | 3.00% |
Life in years | Loans Held for Investment |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 5.2 |  | 5.0
Life in years | HMBS - Related Borrowings |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 5.2 |  | 5.0
Life in years | Mortgage Servicing Rights Pledged |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 4.3 |  | 5.6
Weighted average prepayment speed | Loans Held for Investment |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 0.172 |  | 0.180
Weighted average prepayment speed | Fair Value Agency Mortgage Servicing Rights |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 0.077 |  | 0.069
Weighted average prepayment speed | Fair Value Non Agency Mortgage Servicing Rights |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 0.079 |  | 0.079
Weighted average prepayment speed | HMBS - Related Borrowings |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 0.172 |  | 0.180
Weighted average prepayment speed | Mortgage Servicing Rights Pledged |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 0.065 |  | 0.076
Weighted average delinquency rate | Fair Value Agency Mortgage Servicing Rights |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 0.013 |  | 0.014
Weighted average delinquency rate | Fair Value Non Agency Mortgage Servicing Rights |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 0.100 |  | 0.101
Weighted average delinquency rate | Mortgage Servicing Rights Pledged |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 0.028 |  | 0.071
Weighted average discount rate |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 0.094 |  | 0.076
Weighted average discount rate | Loans Held for Investment |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 0.049 |  | 0.051
Weighted average discount rate | Fair Value Agency Mortgage Servicing Rights |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 0.092 |  | 0.096
Weighted average discount rate | Fair Value Non Agency Mortgage Servicing Rights |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 0.114 |  | 0.106
Weighted average discount rate | HMBS - Related Borrowings |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 0.049 |  | 0.050
Weighted average discount rate | Mortgage Servicing Rights Pledged |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 0.096 |  | 0.102
Weighted average cost to service (in dollars) | Fair Value Agency Mortgage Servicing Rights |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | $ | 71 |  | 72
Weighted average cost to service (in dollars) | Fair Value Non Agency Mortgage Servicing Rights |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | $ | 192 |  | 201
Weighted average cost to service (in dollars) | Mortgage Servicing Rights Pledged |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | $ | 130 |  | 174
Minimum | Life in years | Loans Held for Investment |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 0.8 |  | 1.0
Minimum | Life in years | HMBS - Related Borrowings |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 0.8 |  | 1.0
Minimum | Weighted average prepayment speed | Loans Held for Investment |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 0.120 |  | 0.132
Minimum | Weighted average prepayment speed | HMBS - Related Borrowings |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 0.120 |  | 0.132
Maximum | Life in years | Loans Held for Investment |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 7.9 |  | 7.6
Maximum | Life in years | HMBS - Related Borrowings |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 7.9 |  | 7.6
Maximum | Weighted average prepayment speed | Loans Held for Investment |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 0.354 |  | 0.450
Maximum | Weighted average prepayment speed | HMBS - Related Borrowings |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Measurement inputs | 0.354 |  | 0.450

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