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Schedule of Investments Classified by Contractual Maturity Date (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Schedule of Investments [Abstract] |  |
Amortized cost, due in less than one year | $ 37,975 |
Estimated fair value, due in less than one year | 37,272 |
Amortized cost, due after one year but within five years | 265,924 |
Estimated fair value, due after one year but within five years | 244,855 |
Amortized cost, due after five years but within ten years | 142,733 |
Estimated fair value, due after five years but within ten years | 127,386 |
Amortized cost, due after ten years | 53,063 |
Estimated fair value, due after ten years | 47,344 |
Amortized cost, Total available-for-sale | 499,695 | $ 522,505
Estimated fair value, Total available-for-sale | 456,857 | 489,306
Amortized cost, due after five years but within ten years | 3,525 |
Estimated fair value, due after five years but within ten years | 3,225 |
Amortized cost, Total held-to-maturity | 3,525 | 3,524
Estimated fair value, Total held-to-maturity | $ 3,225 | $ 3,452

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