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Investments (Amortized Cost and Fair Values Classified by Contractual Maturity Date) (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
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Schedule of Investments [Line Items] |  |
Amortized Cost: Due after one year through five years | $ 8,370 |
Amortized Cost: Due after five years through ten years | 5,564 |
Fair Value: Due after one year through five years | 8,217 |
Fair Value: Due after five years through ten years | 5,312 |
Available-for-sale Securities, Amortized Cost Basis | 154,257 | $ 294,992
Available-for-sale Securities | 143,609 | 286,771
Amortized Cost: Due after one year through five years, Held to maturity | 49,512 |
Amortized Cost: Due after five years through ten years, Held to maturity | 14,319 |
Amortized Cost: Due after ten years, Held to maturity | 63,742 |
Amortized Cost: Held to maturity | 127,573 |
Fair Value: Due after one year through five years, Held to maturity | 48,077 |
Fair Value: Due after five years through ten years, Held to maturity | 13,553 |
Fair Value: Due after ten years, Held to maturity | 64,733 |
Fair value: Held to maturity | 126,363 |
Held-to-maturity Securities | 241,656 | 56,259
Held-to-maturity securities, fair value | 235,026 | 65,369
Residential mortgage-backed agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost: Due after ten years | 25,103 |
Fair Value: Due after ten years | 23,552 |
Available-for-sale Securities, Amortized Cost Basis | 48,319 | 49,630
Available-for-sale Securities | 44,298 | 48,661
Held-to-maturity Securities | 29,068 | 30,634
Held-to-maturity securities, fair value | 27,758 | 30,847
Commercial mortgage-backed agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Available For Sale Debt Maturities Amortized Cost Sub Total | 39,037 |
Available for sale debt maturities fair value sub total | 37,081 |
Available-for-sale Securities, Amortized Cost Basis | 38,907 | 51,694
Available-for-sale Securities | 36,233 | 50,868
Held-to-maturity Securities | 26,525 | 5,456
Held-to-maturity securities, fair value | 25,382 | 5,601
Collateralized mortgage obligations [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Securities, Amortized Cost Basis | 27,994 | 93,018
Available-for-sale Securities | 25,997 | $ 90,077
Held-to-maturity Securities | 58,490 |
Held-to-maturity securities, fair value | $ 55,523 |

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