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Debt Securities, Contractual Maturity (Details) $ in Thousands | Dec. 31, 2023 USD ($) Securities | Dec. 31, 2022 USD ($)
--- | --- | ---
Available-for-sale, amortized cost [Abstract] |  |
Due in one year or less | $ 105,944 | $ 2,133
Due after one year through five years | 15,654 | 118,108
Due after five years through ten years | 17,276 | 21,495
Due after ten years | 162 | 628
Mortgage-backed securities | 38,465 | 42,953
Amortized cost | 177,501 | 185,317
Available-for-sale, fair value [Abstract] |  |
Due in one year or less | 105,186 | 2,115
Due after one year through five years | 14,675 | 113,415
Due after five years through ten years | 14,980 | 19,030
Due after ten years | 144 | 531
Mortgage-backed securities | 34,502 | 38,074
Fair value | $ 169,487 | 173,165
Number of holdings of securities of any issuer, other than U.S. Government, exceeding 10% of stockholders' equity | Securities | 1 |
US Treasury Securities [Member] |  |
Available-for-sale, amortized cost [Abstract] |  |
Amortized cost | $ 106,030 | 104,940
Available-for-sale, fair value [Abstract] |  |
Fair value | 104,657 | $ 100,660
Fair value of debt securities | $ 99,320 |

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