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Securities - Additional Information (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($) | Jan. 31, 2023 item | Dec. 31, 2022 USD ($)
Securities |  |  |  |  |  |
Carrying value of securities pledged | $ 68,100 |  | $ 68,100 |  |  | $ 68,700
Fair value of investment in debt securities | $ 222,700 |  | $ 222,700 |  |  | $ 166,100
Percentage of fair value of investment in debt | 99.00% |  | 99.00% |  |  | 76.00%
Gain on sale of securities | $ 0 | $ 0 | $ 0 | $ 0 |  |
Number of investments in available for sale securities | item |  |  |  |  | 125 |

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