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Other Expense (Income), Net - Schedule of Other Expense (Income), Net (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Other Income Expense [Abstract]    
Foreign currency exchange losses (gains), net $ (381) $ 183
Rental income 0 (1)
Total other expense (income), net $ (381) $ 182