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Borrowed Funds - Senior term loan (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Oct. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Secured Borrowings |  |  |  |
Senior term loan |  | $ 9,765 | $ 0 |
Interest on senior term loan |  | 163 | 0 | $ 0
Senior Loans |  |  |  |
Secured Borrowings |  |  |  |
Senior term loan |  | 9,765 | 0 |
Average balance during the year |  | 2,328 | 0 |
Maximum month-end balance |  | $ 9,886 | $ 0 |
Weighted-average rate during the year |  | 7.00% | 0.00% |
Weighted-average rate at December 31 |  | 7.44% | 0.00% |
Senior Loans | Raymond James Senior Term Loan |  |  |  |
Secured Borrowings |  |  |  |
Face amount of debt issued | $ 10,000 |  |  |
Upfront fee, as a percent | 1.00% |  |  |
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 |  |  |
Senior Loans | Raymond James Senior Term Loan | SOFR |  |  |  |
Secured Borrowings |  |  |  |
Base rate | 2.75% |  |  |

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