Other Income and Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Other Income and Expenses [Abstract]
Interest income	$ (511)	$ (404)
Foreign currency (gain) loss, net	11,384	3,623
Other	(9)	(27)
Total other (income) expense, net	$ 10,864	$ 3,192