Employee Benefit Plan (Details)	9 Months Ended
	Sep. 30, 2017 USD ($)
Compensation And Retirement Disclosure [Abstract]
Age restriction of employees	21 years
Employee's contribution to plan 401(k) plan	$ 18,000
Catch up contribution limit for employees age 50 or older	$ 6,000
Minimum age of employees with catch up contribution limit	50 years
Employer contributions to date	$ 0