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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] |  |
Amortized Cost | $ 135,008 | $ 144,123
Gross Unrealized Gains | 697 | 132
Gross Unrealized Losses | 4,400 | 6,614
Fair Value | 131,305 | 137,641
OTTI in AOCL | (2,835) | (1,966)
Held-to-maturity Amortized cost | 93,979 | 94,010
Held-to-maturity Gross Unrealized Gains | 6,832 | 1,357
Held-to-maturity Gross Unrealized Losses | 155 | 1,607
Fair Value | 100,656 | 93,760
US government agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 39,987 | 30,000
Gross Unrealized Losses | 93 | 974
Fair Value | 39,894 | 29,026
Held-to-maturity Amortized cost | 16,164 | 16,017
Held-to-maturity Gross Unrealized Gains | 659 | 120
Fair Value | 16,823 | 16,137
Residential mortgage-backed agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 4,917 |
Gross Unrealized Losses | 17 |
Fair Value | 4,900 |
Held-to-maturity Amortized cost | 42,939 | 46,491
Held-to-maturity Gross Unrealized Gains | 469 | 6
Held-to-maturity Gross Unrealized Losses | 155 | 1,287
Fair Value | 43,253 | 45,210
Commercial mortgage-backed agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 27,634 | 39,013
Gross Unrealized Gains | 222 |
Gross Unrealized Losses | 92 | 1,261
Fair Value | 27,764 | 37,752
Held-to-maturity Amortized cost | 15,521 | 15,821
Held-to-maturity Gross Unrealized Gains | 344 | 75
Held-to-maturity Gross Unrealized Losses |  | 68
Fair Value | 15,865 | 15,828
Collateralized mortgage obligations [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 29,903 | 36,669
Gross Unrealized Gains | 129 |
Gross Unrealized Losses | 109 | 965
Fair Value | 29,923 | 35,704
Held-to-maturity Amortized cost | 3,140 | 3,761
Held-to-maturity Gross Unrealized Gains | 3 |
Held-to-maturity Gross Unrealized Losses |  | 156
Fair Value | 3,143 | 3,605
Obligations of states and political subdivisions [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 14,124 | 20,083
Gross Unrealized Gains | 346 | 132
Gross Unrealized Losses |  | 333
Fair Value | 14,470 | 19,882
Held-to-maturity Amortized cost | 16,215 | 11,920
Held-to-maturity Gross Unrealized Gains | 5,357 | 1,156
Held-to-maturity Gross Unrealized Losses |  | 96
Fair Value | 21,572 | 12,980
Collateralized debt obligations [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 18,443 | 18,358
Gross Unrealized Losses | 4,089 | 3,081
Fair Value | 14,354 | 15,277
OTTI in AOCL | $ (2,835) | $ (1,966)

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