Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Income Tax Disclosure [Abstract]
Provision (Benefit) for income taxes	$ 27	$ (155)
Effective income tax rate	0.44%	4.59%
Unrecognized tax benefits	$ 300
Unrecognized tax benefits that would favorably impact effective tax rate	$ 300