Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Expected tax expense at U.S. statutory rate	$ (11,726)	$ (6,271)
Permanent Adjustments	24	(303)
Foreign Income Tax	0	244
Increase in Valuation Allowance	11,063	7,467
Other	(3,093)	(130)
Rate Difference—U.S. to Foreign	4,179	(658)
Total income tax	$ 447	$ 349