Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Income Tax Disclosure [Abstract]
Provision (Benefit) for income taxes	$ 35	$ (186)	$ (75)	$ (374)
Effective income tax rate	1.30%	4.90%	0.90%	5.20%
Unrecognized tax benefits	$ 200		$ 200
Unrecognized tax benefits that would favorably impact effective tax rate	$ 200		$ 200