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Securities - Additional Information (Details) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 USD ($) loan | Jun. 30, 2023 USD ($) | Jun. 30, 2024 USD ($) loan | Jun. 30, 2023 USD ($) | Dec. 31, 2023 USD ($)
Securities [Line Items] |  |  |  |  |
Proceeds from sale of available-for-sale securities | $ 0 | $ 0 | $ 0 | $ 0 |
Number of securities | loan | 90 |  | 90 |  |
Number of securities in unrealized loss position | loan | 85 |  | 85 |  |
Debt securities issued by US government sponsored agencies (percent) | 97.00% |  | 97.00% |  |
Debt securities that are tax exempt municipal securities (percent) | 3.00% |  | 3.00% |  |
Equity investment in mutual fund with readily determinable fair value | $ 3,500,000 |  | $ 3,500,000 |  | $ 3,500,000
Unrealized holding gain (losses) of mutual fund | (14,000) | $ (53,000) | (50,000) | $ 1,000 |
Collateral Pledged |  |  |  |  |
Securities [Line Items] |  |  |  |  |
Number of securities pledged as collateral | $ 0 |  | $ 0 |  | $ 0

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