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Basis of Presentation (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
New Accounting Pronouncements and Changes in Accounting Principles [Abstract] |  |  |  |
Cumulative effect adjustment from accumulated other comprehensive income to retained earnings | $ 1 |  | $ 1 |
Salaries and employee benefits | 4,737 | $ 4,377 | 9,572 | $ 8,743
Other noninterest expense | (1,429) | $ (1,415) | (2,783) | $ (2,712)
ASU 2016-01 [Member] | Accumulated Other Comprehensive Income (Loss) [Member] |  |  |  |
New Accounting Pronouncements and Changes in Accounting Principles [Abstract] |  |  |  |
Cumulative effect adjustment from accumulated other comprehensive income to retained earnings | 1 |  | 1 |
ASU 2016-01 [Member] | Retained Earnings [Member] |  |  |  |
New Accounting Pronouncements and Changes in Accounting Principles [Abstract] |  |  |  |
Cumulative effect adjustment from accumulated other comprehensive income to retained earnings | (1) |  | (1) |
ASU 2017-07 [Member] |  |  |  |
New Accounting Pronouncements and Changes in Accounting Principles [Abstract] |  |  |  |
Salaries and employee benefits | 53 |  | 100 |
Other noninterest expense | $ (53) |  | $ (100) |

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