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Investment Securities (Amortized Cost and Fair Values Classified by Contractual Maturity Date) (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Schedule of Investments [Line Items] |  |
Amortized Cost: Due after one year or less | $ 340 |
Amortized Cost: Due after one year through five years | 11,964 |
Amortized Cost: Due after five years through ten years | 1,895 |
Amortized Cost: Due after ten years | 27,357 |
Available For Sale Debt Maturities Amortized Cost Sub Total | 41,556 |
Fair Value: Due after one year or less | 340 |
Fair Value: Due after one year through five years | 11,018 |
Fair Value: Due after five years through ten years | 1,778 |
Fair Value: Due after ten years | 23,576 |
Available for sale debt maturities fair value sub total | 36,712 |
Available-for-sale Securities, Amortized Cost Basis | 149,829 | $ 294,992
Investment securities - available-for-sale (at fair value) | 125,889 | 286,771
Marketable Securities | 125,889 | 286,771
Amortized Cost: Due after one year through five, Held to maturity | 49,704 |
Amortized Cost: Due after five year through ten, Held to maturity | 33,022 |
Amortized Cost: Due after ten years, Held to maturity | 44,835 |
Amortized Cost: Total, Held to maturity | 127,561 |
Fair Value: Due after one year through five years, Held to maturity | 46,857 |
Fair Value: Due after five year through ten years, Held to maturity | 26,825 |
Fair Value: Due after ten years, Held to maturity | 39,371 |
Fair Value: Total, Held to maturity | 113,053 |
Held-to-maturity Securities | 235,659 | 56,259
Held-to-maturity securities, fair value | 203,080 | 65,369
Residential mortgage-backed agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Securities, Amortized Cost Basis | 45,052 | 49,630
Investment securities - available-for-sale (at fair value) | 37,401 | 48,661
Marketable Securities | 37,401 | 48,661
Held-to-maturity Securities | 28,624 | 30,634
Held-to-maturity securities, fair value | 25,122 | 30,847
Commercial mortgage-backed agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Securities, Amortized Cost Basis | 37,393 | 51,694
Investment securities - available-for-sale (at fair value) | 30,732 | 50,868
Marketable Securities | 30,732 | 50,868
Held-to-maturity Securities | 22,389 | 5,456
Held-to-maturity securities, fair value | 17,821 | 5,601
Collateralized mortgage obligations [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Securities, Amortized Cost Basis | 25,828 | 93,018
Investment securities - available-for-sale (at fair value) | 21,044 | 90,077
Marketable Securities | 21,044 | $ 90,077
Held-to-maturity Securities | 57,085 |
Held-to-maturity securities, fair value | $ 47,084 |

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