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Summary of Significant Accounting Policies (Accumulated Other Comprehensive Loss) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Accumulated other comprehensive income, before-tax amount $ (3,009) $ (2,423)
Accumulated other comprehensive income, tax effect 1,024 824
Accumulated other comprehensive loss, net of tax (1,985) (1,599)
Net Unrealized loss on AFS Securities [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Accumulated other comprehensive income, before-tax amount (1,180) (665)
Accumulated other comprehensive income, tax effect 402 227
Accumulated other comprehensive loss, net of tax (778) (438)
Discount on AFS to HTM Reclassification [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Accumulated other comprehensive income, before-tax amount (17) (24)
Accumulated other comprehensive income, tax effect 6 8
Accumulated other comprehensive loss, net of tax (11) (16)
Unrealized Actuarial Losses-Pension [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Accumulated other comprehensive income, before-tax amount (1,812) (1,734)
Accumulated other comprehensive income, tax effect 616 589
Accumulated other comprehensive loss, net of tax $ (1,196) $ (1,145)