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Employee Benefit Plan - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Compensation and Retirement Disclosure [Abstract]    
Employee minimum service period 6 months  
Employee maximum annual contribution $ 15,000  
Annual vesting percentage of company contributions 25.00%  
Vesting term 5 years  
Employer match $ 0.20  
Employer match percentage 10.00%  
Plan expense $ 200,000 $ 200,000