Other Expense/(Income), net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Other Income and Expenses [Abstract]
Currency transaction losses/(gains)	$ 1,948	$ (1,571)	$ 2,049	$ (2,049)
Bank fees and amortization of debt issuance costs	111	394	259	546
Other	(128)	(840)	(173)	(842)
Total	$ 1,931	$ (2,017)	$ 2,135	$ (2,345)