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Investment Securities (Amortized Cost and Estimated Fair Value by Maturity Date) (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
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Investment Securities [Abstract] |  |
Available for sale, Amortized Cost, Due in one year or less | $ 34 |
Available for sale, Amortized Cost, Due after one year through five years | 2,254 |
Available for sale, Amortized Cost, Due after five years through ten years | 51,738 |
Available for sale, Amortized Cost, Due after ten years | 49,813 |
Available-for-sale securities, Amortized Cost | 103,839 | $ 116,906
Available for sale, Estimated Fair Value, Due in one year or less | 33 |
Available for sale, Estimated Fair Value, Due after one year through five years | 2,211 |
Available for sale, Estimated Fair Value, Due after five years through ten years | 48,323 |
Available for sale, Estimated Fair Value, Due after ten years | 44,122 |
Available-for-sale Securities, Debt Securities, Total | 94,689 | 116,982
Held to maturity securities, Amortized Cost, Due in one year or less | 4,415 |
Held to maturity securities, Amortized Cost, Due after one year through five years | 50,829 |
Held to maturity securities, Amortized Cost, Due after five years through ten years | 91,469 |
Held to maturity securities, Amortized Cost, Due after ten years | 312,244 |
Held-to-maturity Securities, Amortized Cost | 458,957 | 404,594
Held to maturity securities, Estimated Fair Value, Due in one year or less | 4,396 |
Held to maturity securities, Estimated Fair Value, Due after one year through five years | 48,325 |
Held to maturity securities, Estimated Fair Value, Due after five years through ten years | 86,063 |
Held to maturity securities, Estimated Fair Value, Due after ten years | 276,651 |
Held-to-maturity Securities, Fair Value, Total | $ 415,435 | $ 401,524

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