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Other Income (Expense), Net (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Other Income and Expenses [Abstract]    
Net gain (loss) on foreign currency exchange contracts $ (271) $ (1,331)
Net gain (loss) on foreign currency exchange transactions (132) 725
Other income (expense) (63) 19
Other income (expense), net $ (466) $ (587)