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Income Taxes (Components of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
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Income Taxes [Abstract] |  |
Deferred tax assets, allowance for loan losses | $ 3,952 | $ 4,760
Deferred tax assets, deferred loan fees | 164 | 137
Deferred tax assets, deferred compensation | 912 | 901
Deferred tax assets, federal and state tax loss carry forwards | 4,849 | 4,165
Deferred tax assets, AMT and Other carry forwards | 5,147 | 4,304
Deferred tax assets, unrealized loss on investment securities | 4,705 | 4,039
Deferred tax assets, Pension/SERP | 2,883 | 2,598
Deferred tax assets, other than temporary impairment on investment securities | 1,244 | 1,251
Deferred tax assets, other real estate owned | 1,408 | 1,769
Deferred tax assets, other | 222 | 1,481
Total deferred tax assets | 25,486 | 25,405
Deferred tax assets, valuation allowance | (1,856) | (1,794)
Total deferred tax assets less valuation allowance | 23,630 | 23,611
Deferred tax liabilities, amortization of goodwill | (3,197) | (2,986)
Deferred tax liabilities, depreciation | (730) | (653)
Deferred tax liabilities, other | (366) | (182)
Total deferred tax liabilities | (4,293) | (3,821)
Net deferred tax assets | $ 19,337 | $ 19,790

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