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Pension Plan (Narrative) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]    
Funded percentage (in percent) 100.00%  
Estimated net loss amortized from accumulated other comprehensive income into net periodic benefit cost over the next year $ 44  
Expected contributions in 2016 200  
Defined benefit contribution 100 $ 100
Scenario Plan [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Estimated prior service cost amortized from accumulated other comprehensive income into net periodic benefit cost over the next year 7  
Estimated transitional asset amortized from accumulated other comprehensive income into net periodic benefit cost over the next year $ 10