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Investments (Unrealized Gain (Loss) on Investments) (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Schedule of Investments [Line Items] |  |
Amortized Cost | $ 139,263 | $ 144,123
Gross Unrealized Gains | 574 | 132
Gross Unrealized Losses | 4,028 | 6,614
Investment securities - available-for-sale (at fair value) | 135,809 | 137,641
OTTI in AOCI | (2,341) | (1,966)
Held-to-maturity amortized cost | 97,499 | 94,010
Held-to-maturity Gross Unrealized Gains | 5,349 | 1,357
Held-to-maturity gross unrealized losses | 345 | 1,607
Investment securities - HTM | 102,503 | 93,760
US government agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 30,000 | 30,000
Gross Unrealized Losses | 167 | 974
Investment securities - available-for-sale (at fair value) | 29,833 | 29,026
Held-to-maturity amortized cost | 16,090 | 16,017
Held-to-maturity Gross Unrealized Gains | 624 | 120
Investment securities - HTM | 16,714 | 16,137
Residential mortgage-backed agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Held-to-maturity amortized cost | 47,320 | 46,491
Held-to-maturity Gross Unrealized Gains | 237 | 6
Held-to-maturity gross unrealized losses | 345 | 1,287
Investment securities - HTM | 47,212 | 45,210
Commercial mortgage-backed agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 42,487 | 39,013
Gross Unrealized Gains | 143 |
Gross Unrealized Losses | 284 | 1,261
Investment securities - available-for-sale (at fair value) | 42,346 | 37,752
Held-to-maturity amortized cost | 15,672 | 15,821
Held-to-maturity Gross Unrealized Gains | 429 | 75
Held-to-maturity gross unrealized losses |  | 68
Investment securities - HTM | 16,101 | 15,828
Collateralized mortgage obligations [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 34,010 | 36,669
Gross Unrealized Gains | 179 |
Gross Unrealized Losses | 62 | 965
Investment securities - available-for-sale (at fair value) | 34,127 | 35,704
Held-to-maturity amortized cost | 3,577 | 3,761
Held-to-maturity Gross Unrealized Gains | 5 |
Held-to-maturity gross unrealized losses |  | 156
Investment securities - HTM | 3,582 | 3,605
Obligations of states and political subdivisions [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 14,379 | 20,083
Gross Unrealized Gains | 252 | 132
Gross Unrealized Losses |  | 333
Investment securities - available-for-sale (at fair value) | 14,631 | 19,882
Held-to-maturity amortized cost | 14,840 | 11,920
Held-to-maturity Gross Unrealized Gains | 4,054 | 1,156
Held-to-maturity gross unrealized losses |  | 96
Investment securities - HTM | 18,894 | 12,980
Collateralized debt obligations [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 18,387 | 18,358
Gross Unrealized Losses | 3,515 | 3,081
Investment securities - available-for-sale (at fair value) | 14,872 | 15,277
OTTI in AOCI | $ (2,341) | $ (1,966)

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