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Retirement Plans (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]    
Maximum contribution percentage of pretax annual compensation 19.00%  
Defined contribution benefit plan, company contribution $ 217 $ 148
Cash surrender values of life insurance policies 9,781 9,512
Supplemental Executive Retirement Plan [Member]    
Defined Benefit Plan Disclosure [Line Items]    
SERP expense $ 187 $ 207