| Investment Securities - Trading (Details) - USD ($) $ in Thousands | 3 Months Ended | ||
|---|---|---|---|
| Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023 | |
| Investments, Debt and Equity Securities [Abstract] | |||
| Trading securities portfolio | $ 802 | $ 747 | |
| Debt securities, trading, realized gains | $ 62 | $ 47 | |
| X | ||||||||||
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- Definition Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in net income (trading). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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| X | ||||||||||
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- Definition Amount of restricted investment in debt security measured at fair value with change in fair value recognized in net income (trading). Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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| X | ||||||||||
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- References No definition available. 
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