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Debt - Summary Of Company's securitizations (Details) - USD ($) $ in Thousands | 1 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2025 | Nov. 30, 2024 | Jun. 30, 2024 | Feb. 28, 2022 | Oct. 31, 2021 | Jul. 31, 2021 | Feb. 28, 2021 | Sep. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt Balance |  |  |  |  |  |  |  |  | $ 1,581,992 | $ 1,478,336 |
Restricted Cash Reserves |  |  |  |  |  |  |  |  | 104,459 | $ 131,684 | $ 115,576
RMIT 2021-1 |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issue Date | [1] |  |  |  |  |  |  | 2021-02 |  |  |
Issue Amount | [1] |  |  |  |  |  |  | $ 248,700 |  |  |
Debt Balance | [1] |  |  |  |  |  |  |  | 37,861 |  |
Restricted Cash Reserves | [1] |  |  |  |  |  |  |  | $ 2,604 |  |
Effective interest rate | [1] |  |  |  |  |  |  |  | 4.20% |  |
Revolving Period End Date | [1] |  |  |  |  |  |  |  | 2024-02 |  |
Maturity Date | [1] |  |  |  |  |  |  |  | 2031-03 |  |
RMIT 2021-2 |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issue Date |  |  |  |  |  |  | 2021-07 |  |  |  |
Issue Amount |  |  |  |  |  |  | $ 200,000 |  |  |  |
Debt Balance |  |  |  |  |  |  |  |  | $ 200,192 |  |
Restricted Cash Reserves |  |  |  |  |  |  |  |  | $ 2,083 |  |
Effective interest rate |  |  |  |  |  |  |  |  | 2.30% |  |
Revolving Period End Date |  |  |  |  |  |  |  |  | 2026-07 |  |
Maturity Date |  |  |  |  |  |  |  |  | 2033-08 |  |
RMIT 2021-3 |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issue Date |  |  |  |  |  | 2021-10 |  |  |  |  |
Issue Amount |  |  |  |  |  | $ 125,000 |  |  |  |  |
Debt Balance |  |  |  |  |  |  |  |  | $ 125,202 |  |
Restricted Cash Reserves |  |  |  |  |  |  |  |  | $ 1,471 |  |
Effective interest rate |  |  |  |  |  |  |  |  | 3.90% |  |
Revolving Period End Date |  |  |  |  |  |  |  |  | 2026-09 |  |
Maturity Date |  |  |  |  |  |  |  |  | 2033-10 |  |
RMIT 2022-1 |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issue Date |  |  |  |  | 2022-02 |  |  |  |  |  |
Issue Amount |  |  |  |  | $ 250,000 |  |  |  |  |  |
Debt Balance |  |  |  |  |  |  |  |  | $ 132,416 |  |
Restricted Cash Reserves |  |  |  |  |  |  |  |  | $ 2,646 |  |
Effective interest rate |  |  |  |  |  |  |  |  | 4.10% |  |
Revolving Period End Date |  |  |  |  |  |  |  |  | 2025-02 |  |
Maturity Date |  |  |  |  |  |  |  |  | 2032-03 |  |
RMIT 2024-1 |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issue Date |  |  |  | 2024-06 |  |  |  |  |  |  |
Issue Amount |  |  |  | $ 187,305 |  |  |  |  |  |  |
Debt Balance |  |  |  |  |  |  |  |  | $ 187,788 |  |
Restricted Cash Reserves |  |  |  |  |  |  |  |  | $ 1,078 |  |
Effective interest rate |  |  |  |  |  |  |  |  | 6.20% |  |
Revolving Period End Date |  |  |  |  |  |  |  |  | 2027-05 |  |
Maturity Date |  |  |  |  |  |  |  |  | 2036-07 |  |
RMIT 2024-2 |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issue Date |  |  | 2024-11 |  |  |  |  |  |  |  |
Issue Amount |  |  | $ 250,000 |  |  |  |  |  |  |  |
Debt Balance |  |  |  |  |  |  |  |  | $ 250,557 |  |
Restricted Cash Reserves |  |  |  |  |  |  |  |  | $ 1,418 |  |
Effective interest rate |  |  |  |  |  |  |  |  | 5.30% |  |
Revolving Period End Date |  |  |  |  |  |  |  |  | 2026-11 |  |
Maturity Date |  |  |  |  |  |  |  |  | 2033-12 |  |
RMIT 2025-1 |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issue Date |  | 2025-03 |  |  |  |  |  |  |  |  |
Issue Amount |  | $ 265,000 |  |  |  |  |  |  |  |  |
Debt Balance |  |  |  |  |  |  |  |  | $ 265,585 |  |
Restricted Cash Reserves |  |  |  |  |  |  |  |  | $ 1,489 |  |
Effective interest rate |  |  |  |  |  |  |  |  | 5.30% |  |
Revolving Period End Date |  |  |  |  |  |  |  |  | 2027-03 |  |
Maturity Date |  |  |  |  |  |  |  |  | 2034-04 |  |
Securitizations |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issue Amount |  | $ 1,526,005 |  |  |  |  |  |  |  |  |
Debt Balance |  |  |  |  |  |  |  |  | $ 1,199,601 |  |
Restricted Cash Reserves |  |  |  |  |  |  |  |  | $ 12,789 |  |
[1] | See Note 14, “Subsequent Events,” for information regarding the repayment and termination of the RMIT 2021-1 securitization following the end of the fiscal quarter.

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