Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Payments - 2016 Stock Incentive Plan (Details)

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Stock-Based Payments - 2016 Stock Incentive Plan (Details) - shares
6 Months Ended
Jun. 30, 2016
Jun. 17, 2016
Stock options    
Stock-based payments    
Vesting period 4 years  
Term of award 10 years  
Stock options | Vesting on one year anniversary of vesting commencement date    
Stock-based payments    
Vesting period 1 year  
Vesting (as a percent) 25.00%  
Stock options | Vesting ratably on a monthly basis    
Stock-based payments    
Vesting period 3 years  
Vesting (as a percent) 75.00%  
Performance-based stock options | Maximum    
Stock-based payments    
Vesting period 6 years  
Performance-based restricted stock | Maximum    
Stock-based payments    
Vesting period 6 years  
2016 Plan    
Stock-based payments    
Common stock reserved for issuance of awards (in shares)   3,218,742
Increase in number of shares of common stock reserved for issuance of awards on the first day of each calendar year (in shares)   6,000,000
Increase in number of shares of common stock reserved for issuance of awards on the first day of each calendar year, as a percentage of outstanding shares   4.0
Common stock available for future issuance (in shares) 3,218,742