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Borrowings - Farmer Mac Facility Narrative (Details) | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2022 USD ($) bond | Feb. 25, 2022 USD ($) | Jan. 11, 2022 USD ($) | Dec. 10, 2020 USD ($)
Debt Instrument [Line Items] |  |  |  |
Number of bonds issued | bond | 2 |  |  |
Debt instrument, loans to value ratios | 60.00% |  |  |
Farmer Mac Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Amount |  | $ 1,710,000 | $ 1,980,000 | $ 225,000,000
Debt instrument, loans to value ratios | 60.00% |  |  |
Secured debt | $ 77,800,000 |  |  |

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