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Income Taxes (Details 1) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Income Tax Disclosure [Abstract] |  |  |
Income tax computed at statutory federal rate of 34% | $ 2,806 | $ 2,614 | $ 2,642
Tax exempt interest income | (496) | (488) | (475)
Tax exempt earnings on bank-owned life insurance | (121) | (221) | (103)
Other items | (27) | 40 | 12
Income tax expense | $ 2,162 | $ 1,945 | $ 2,076
Effective income tax rate | 26.00% | 25.00% | 27.00%

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