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Schedule of Investments Classified by Contractual Maturity Date (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Schedule of Investments [Abstract] |  |
Amortized cost, due in less than one year | $ 22,482 |
Estimated fair value, due in less than one year | 22,142 |
Amortized cost, due after one year but within five years | 300,282 |
Estimated fair value, due after one year but within five years | 280,685 |
Amortized cost, due after five years but within ten years | 147,965 |
Estimated fair value, due after five years but within ten years | 138,189 |
Amortized cost, due after ten years | 51,776 |
Estimated fair value, due after ten years | 48,290 |
Amortized cost, Total | 522,505 | $ 375,579
Estimated fair value, Total | 489,306 | 380,717
Amortized cost, due after five years but within ten years | 3,524 |
Estimated fair value, due after five years but within ten years | 3,452 |
Total held-to-maturity | 3,524 |
Total held-to-maturity | $ 3,452 |

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