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Investment Securities (Unrealized Gain (Loss) on Investments) (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Schedule of Investments [Line Items] |  |
Available-for-sale debt securities, Amortized Cost | $ 83,738 | $ 116,027
Available-for-sale debt securities, Unrealized Gains | 122 | 21
Available-for-sale debt securities, Unrealized Losses | 456 | 4,125
Available for sale debt securities, Fair Value | 83,404 | 111,923
Held-to-maturity debt securities, Amortized Cost | 160,182 | 168,370
Held-to-maturity debt securities, Unrealized Gains | 2,913 | 517
Held-to-maturity debt securities, Unrealized Losses | 232 | 2,305
Held-to-maturity debt securities, Fair Value | 162,863 | 166,582
Available-for-sale securities and Held-to-maturity debt securities, Amortized Cost | 243,920 | 284,397
Available-for-sale securities and Held-to-maturity debt securities, Unrealized Gains | 3,035 | 538
Available-for-sale securities and Held-to-maturity debt securities, Unrealized Losses | 688 | 6,430
Available-for-sale securities and Held-to-maturity debt securities, Fair Value | 246,267 | 278,505
Available-for-sale securities and Held-to-maturity debt securities, Fair Value | 246,267 | 278,505
U.S. Treasury and U.S. government agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale debt securities, Amortized Cost | 44,699 | 43,270
Available-for-sale debt securities, Unrealized Gains | 23 | 10
Available-for-sale debt securities, Unrealized Losses | 196 | 1,708
Available for sale debt securities, Fair Value | 44,526 | 41,572
Held-to-maturity debt securities, Amortized Cost | 15,505 | 16,985
Held-to-maturity debt securities, Unrealized Gains | 38 | 14
Held-to-maturity debt securities, Unrealized Losses | 16 | 143
Held-to-maturity debt securities, Fair Value | 15,527 | 16,856
Mortgage-backed U.S. Government Agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale debt securities, Amortized Cost | 21,530 | 39,865
Available-for-sale debt securities, Unrealized Gains | 15 |
Available-for-sale debt securities, Unrealized Losses | 187 | 1,016
Available for sale debt securities, Fair Value | 21,358 | 38,849
Held-to-maturity debt securities, Amortized Cost | 59,377 | 65,812
Held-to-maturity debt securities, Unrealized Gains | 441 | 46
Held-to-maturity debt securities, Unrealized Losses | 206 | 1,310
Held-to-maturity debt securities, Fair Value | 59,612 | 64,548
State and political subdivision obligations [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale debt securities, Amortized Cost | 14,240 | 30,642
Available-for-sale debt securities, Unrealized Gains | 19 | 11
Available-for-sale debt securities, Unrealized Losses | 73 | 1,397
Available for sale debt securities, Fair Value | 14,186 | 29,256
Held-to-maturity debt securities, Amortized Cost | 83,769 | 84,034
Held-to-maturity debt securities, Unrealized Gains | 2,433 | 457
Held-to-maturity debt securities, Unrealized Losses | 1 | 842
Held-to-maturity debt securities, Fair Value | 86,201 | 83,649
Corporate debt securities [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale debt securities, Amortized Cost | 3,269 | 2,250
Available-for-sale debt securities, Unrealized Gains | 65 |
Available-for-sale debt securities, Unrealized Losses |  | 4
Available for sale debt securities, Fair Value | 3,334 | 2,246
Held-to-maturity debt securities, Amortized Cost | 1,531 | 1,539
Held-to-maturity debt securities, Unrealized Gains | 1 |
Held-to-maturity debt securities, Unrealized Losses | 9 | 10
Held-to-maturity debt securities, Fair Value | $ 1,523 | $ 1,529

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