Income Taxes - Schedule of Provision for Income Taxes Federal Statutory Rate (Details)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Expected taxes at federal statutory tax rate	35.00%	35.00%	35.00%
State income taxes, net of federal income tax benefit	3.80%	3.20%	7.60%
Research tax credits	(0.20%)	2.80%
Change in valuation allowance	(0.70%)	(0.40%)	(1.90%)
Non-deductible business expenses	1.50%	(1.20%)	2.80%
Foreign rate differential	(1.40%)	0.30%	(0.80%)
Other	0.70%	(0.90%)	1.10%
Total	38.70%	38.80%	43.80%