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Investment Securities - Additional Information (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 USD ($) security | Sep. 30, 2023 USD ($) | Sep. 30, 2023 USD ($) | Dec. 31, 2023 security
Proceeds from Sale and Maturity of Debt Securities, Available-for-Sale |  |  |  |
Available-for-sale securities, par value | $ 161,200 |  | $ 173,200 |
Losses on sale of available-for-sale securities | $ 17,100 | $ 17,114 | $ 17,316 |
Number of securities in unrealized loss position | security | 151 |  |  | 158
Allowance for credit loss, debt securities | $ 0 |  |  |

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