Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details)

v3.8.0.1
Stock-Based Compensation (Details) - USD ($)
$ in Thousands
9 Months Ended
Jul. 13, 2017
Sep. 30, 2017
Stock-Based compensation    
Maximum number of shares available for future issuance   3,945,537
Unvested restricted stock units and awards    
Stock-Based compensation    
Unrecognized compensation expense related to shares   $ 49,527
2010 Plan    
Stock-Based compensation    
Shares reserved for delivery 3,525,000  
2015 Plan | Unvested restricted stock units and awards    
Stock-Based compensation    
Shares authorized for issuance   1,052,000
Vesting period   43 months
Unrecognized compensation expense related to shares   $ 6,070