Other Income, net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Other Income and Expenses [Abstract]
Currency transaction (gains)/losses	$ (312)	$ 953	$ (2,361)	$ 404
Bank fees and amortization of debt issuance costs	106	219	652	764
Gain on sale of investment				(872)
Other	448	77	(394)	488
Total	$ 242	$ 1,249	$ (2,103)	$ 784