Goodwill and Intangible Assets - Schedule of Changes in Intangible Assets, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016		Dec. 31, 2015		Dec. 31, 2014
Goodwill And Intangible Assets Disclosure [Abstract]
Balance, Beginning of Year	$ 23,646	[1]	$ 19,797		$ 22,450
Additions			14,805
Amortization Expense	(8,870)		(10,939)		(2,653)
Translation Adjustments	(63)		(17)
Balance, End of Year	$ 14,713	[1]	$ 23,646	[1]	$ 19,797

[1] Excludes fully amortized intangible assets.