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Investment Securities (Unrealized Gain (Loss) on Investments) (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Schedule of Investments [Line Items] |  |
Available-for-sale debt securities, Amortized Cost | $ 37,170 | $ 116,027
Available-for-sale debt securities, Unrealized Gains | 22 | 21
Available-for-sale debt securities, Unrealized Losses | 183 | 4,125
Available-for-sale debt securities, Fair Value | 37,009 | 111,923
Held-to-maturity debt securities, Amortized Cost | 136,477 | 168,370
Held-to-maturity debt securities, Unrealized Gains | 1,334 | 517
Held-to-maturity debt securities, Unrealized Losses | 335 | 2,305
Held-to-maturity debt securities, Fair Value | 137,476 | 166,582
Available-for-sale securities and Held-to-maturity debt securities, Amortized Cost | 173,647 | 284,397
Available-for-sale securities and Held-to-maturity debt securities, Unrealized Gains | 1,356 | 538
Available-for-sale securities and Held-to-maturity debt securities, Unrealized Losses | 518 | 6,430
Available-for-sale securities and Held-to-maturity debt securities, Fair Value | 174,485 | 278,505
U.S. Government Agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale debt securities, Amortized Cost | 22,894 | 43,270
Available-for-sale debt securities, Unrealized Gains | 6 | 10
Available-for-sale debt securities, Unrealized Losses | 70 | 1,708
Available-for-sale debt securities, Fair Value | 22,830 | 41,572
U.S. Treasury and U.S. government agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Held-to-maturity debt securities, Amortized Cost | 50,210 | 16,985
Held-to-maturity debt securities, Unrealized Gains | 46 | 14
Held-to-maturity debt securities, Unrealized Losses | 220 | 143
Held-to-maturity debt securities, Fair Value | 50,036 | 16,856
Mortgage-backed U.S. Government Agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale debt securities, Amortized Cost | 12,996 | 39,865
Available-for-sale debt securities, Unrealized Gains | 7 |
Available-for-sale debt securities, Unrealized Losses | 113 | 1,016
Available-for-sale debt securities, Fair Value | 12,890 | 38,849
Held-to-maturity debt securities, Amortized Cost | 42,098 | 65,812
Held-to-maturity debt securities, Unrealized Gains | 95 | 46
Held-to-maturity debt securities, Unrealized Losses | 102 | 1,310
Held-to-maturity debt securities, Fair Value | 42,091 | 64,548
State and political subdivision obligations [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale debt securities, Amortized Cost | 30 | 30,642
Available-for-sale debt securities, Unrealized Gains |  | 11
Available-for-sale debt securities, Unrealized Losses |  | 1,397
Available-for-sale debt securities, Fair Value | 30 | 29,256
Held-to-maturity debt securities, Amortized Cost | 44,169 | 84,034
Held-to-maturity debt securities, Unrealized Gains | 1,193 | 457
Held-to-maturity debt securities, Unrealized Losses | 13 | 842
Held-to-maturity debt securities, Fair Value | 45,349 | 83,649
Corporate debt securities [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale debt securities, Amortized Cost | 1,250 | 2,250
Available-for-sale debt securities, Unrealized Gains | 9 |
Available-for-sale debt securities, Unrealized Losses |  | 4
Available-for-sale debt securities, Fair Value | $ 1,259 | 2,246
Held-to-maturity debt securities, Amortized Cost |  | 1,539
Held-to-maturity debt securities, Unrealized Losses |  | 10
Held-to-maturity debt securities, Fair Value |  | $ 1,529

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