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Pension Plan (Reconciliation of Plan Assets) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]    
Employee contributions $ 30 $ 37
Benefits paid (160) (178)
Pension Benefits [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets, at beginning of year 2,706 2,713
Actual return on plan assets 164 239
Employer contributions 135 161
Employee contributions 30 37
Benefits paid (160) (178)
Foreign exchange adjustment (360) (266)
Fair value of plan assets, at end of year $ 2,515 $ 2,706