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Pension Plan (Reconciliation of Projected Benefit Obligation) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]    
Projected benefit obligation, at beginning of year $ 3,057 $ 2,927
Current service cost, net of employee contributions 50 34
Employee contributions 30 37
Interest cost 103 131
Actuarial loss (66) 0
Impact of change in discount rate (37) 320
Impact in change of assumptions 0 80
Benefits paid (160) (178)
Foreign exchange adjustment (399) (294)
Projected benefit obligation, at end of year $ 2,578 $ 3,057