Income Taxes - Schedule of Provision for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Current:
State	$ 165	$ 90	$ 240	$ 180
Federal	0	525	0	525
Foreign	0	2,450	0	2,404
Current income tax expense (benefit)	165	3,065	240	3,109
Deferred:
Foreign	0	(150)	0	(755)
Deferred income tax expense (benefit)	0	(150)	0	(755)
Income tax expense	$ 165	$ 2,915	$ 240	$ 2,354