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Stock-based Compensation - General Information (Details) - shares
1 Months Ended 12 Months Ended
Feb. 10, 2016
Aug. 31, 2016
Dec. 31, 2016
2016 Equity Incentive Plan      
Stock-based Compensation      
Common stock that may be issued pursuant to stock awards (in shares) 4,339,451    
Common stock that may be issued pursuant to stock awards, new shares (in shares) 2,400,000    
Annual automatic increase percentage (as a percent) 4.00%    
Plan expiration period (in years)     10 years
Expiration period (in years)     3 months
Minimum | 2016 Equity Incentive Plan      
Stock-based Compensation      
Vesting period (in years)     2 years
Maximum | 2016 Equity Incentive Plan      
Stock-based Compensation      
Vesting period (in years)     4 years
Employee Stock Options | 2016 Equity Incentive Plan      
Stock-based Compensation      
Common stock that may be issued pursuant to stock awards (in shares) 8,678,902    
Restricted Stock Units      
Stock-based Compensation      
Shares granted (in shares)   57,500 57,500
Vesting period (in years)     3 years