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Borrowed Funds - Senior term loan (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Oct. 31, 2022 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Secured Borrowings |  |  |  |
Senior term loan |  | $ 0 | $ 6,786 |
Interest on senior term loan |  | 264 | 766 | $ 163
Senior Loans |  |  |  |
Secured Borrowings |  |  |  |
Senior term loan |  | 0 | 6,786 |
Average balance during the year |  | 2,355 | 9,007 |
Maximum month-end balance |  | $ 6,794 | $ 9,768 |
Weighted-average rate during the year |  | 11.21% | 8.50% |
Weighted-average rate at December 31 |  | 0.00% | 8.76% |
Senior Loans | Raymond James Senior Term Loan |  |  |  |
Secured Borrowings |  |  |  |
Face amount of debt issued | $ 10,000 |  |  |
Upfront fee, as a percent | 1.00% |  |  |
Base rate | 2.75% |  |  |
Senior Loans | Raymond James Senior Term Loan | Debt Instrument, Redemption, Period One |  |  |  |
Secured Borrowings |  |  |  |
Periodic principal payment | $ 125 |  |  |
Senior Loans | Raymond James Senior Term Loan | Debt Instrument, Redemption, Period Two |  |  |  |
Secured Borrowings |  |  |  |
Periodic principal payment | $ 250 |  |  |

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