Annual report pursuant to Section 13 and 15(d)

Other Expenses, Net (Details)

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Other Expenses, Net (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Other Income and Expenses [Abstract]      
Gain on derivatives $ (121) $ (271) $ (279)
Interest expense, net of interest income 13,132 8,086 6,510
Amortization of deferred financing fees, net 1,894 1,350 1,173
Foreign currency transaction (gain) loss 1,804 (1,294) 5
Other expenses, net $ 16,709 $ 7,871 $ 7,409