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Debt MIF Warehousing Agreement (Details) - USD ($) $ in Thousands | 9 Months Ended |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2023 | Sep. 18, 2024 | Feb. 10, 2024 | Nov. 11, 2023 | Oct. 27, 2023 | Oct. 24, 2023 | Sep. 18, 2023 | Dec. 31, 2022
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Maximum Borrowing Availability under all Credit Lines | $ 365,000 |  |  |  |  |  |  | $ 390,000
Notes payable bank - financial service operations | $ 200,619 |  |  |  |  |  |  | $ 245,741
Warehousing Agreement - Fourth Amended and Restated |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Line of Credit Facility, Initiation Date | May 26, 2023 |  |  |  |  |  |  |
Line of Credit Facility, Expiration Date | May 24, 2024 |  |  |  |  |  |  |
Basis point spread on variable rate under warehouse | 1.65% |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 200,000 |  |  |  |  |  | $ 275,000 |
SOFR | 0.50% |  |  |  |  |  |  |
Warehousing Agreement - First Amendment to Fourth Amended and Restated |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Line of Credit Facility, Initiation Date | Oct. 24, 2023 |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  | $ 80,000 | $ 120,000 |  | $ 110,000 |  |
Repurchase Agreement-Fifth Amendment to Second Amendment and Restated |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Line of Credit Facility, Initiation Date | Oct. 30, 2017 |  |  |  |  |  |  |
Line of Credit Facility, Expiration Date | Oct. 23, 2023 |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 90,000 |  |  |  |  |  |  |
SOFR - Loan Type 2 | 2.375% |  |  |  |  |  |  |
SOFR | 2.75% |  |  |  |  |  |  |
JPM Master Repurchase Agreement Initiation Date |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Line of Credit Facility, Initiation Date | Oct. 24, 2023 |  |  |  |  |  |  |
Line of Credit Facility, Expiration Date | Oct. 22, 2024 |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 270,000 | $ 240,000 | $ 300,000 |  | $ 270,000 |  |
All MIF Credit Lines |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | $ 380,000 |  |  |
Minimum [Member] | Repurchase Agreement-Fifth Amendment to Second Amendment and Restated |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Basis point spread on variable rate under warehouse | 1.50% |  |  |  |  |  |  |
Maximum [Member] | Repurchase Agreement-Fifth Amendment to Second Amendment and Restated |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Basis point spread on variable rate under warehouse | 2.00% |  |  |  |  |  |  |

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