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Income Taxes (Schedule of Deferred Tax Assets and Liabilties) (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
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Income Taxes [Abstract] |  |
Deferred tax assets, Allowance for loan losses | $ 1,603 | $ 2,197
Deferred tax assets, Deferred compensation | 775 | 1,430
Deferred tax assets, Core deposit intangible | 232 | 485
Deferred tax assets, Prepaid expenses | 125 | 267
Deferred tax assets, Pension liability | 384 | 655
Deferred tax assets, Foreclosed real estate valuance allowance | 7 | 19
Deferred tax assets, AMT tax credit carryforward | 260 | 260
Deferred tax assets, Net operating loss carryforward | 1,249 | 2,147
Deferred tax assets, Net unrealized loss on securities | 808 | 2,286
Deferred tax assets, Other | 92 | 310
Total Deferred Tax Assets | 5,535 | 10,056
Deferred tax liabilities, Premises and equipment | 210 | 347
Deferred tax liablities, Deferred loan fees | 142 | 192
Deferred tax liabilities, Net unrealized gain on pension liability | 99 | 171
Deferred tax liabilities, Purchase price adjustment | 303 | 357
Total Deferred Tax Liabilities | 754 | 1,067
Net Deferred Tax Asset | $ 4,781 | $ 8,989

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