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Equity Incentive Plans and Stock-Based Compensation - Stock-based Compensation (Details) - USD ($)
3 Months Ended
Mar. 31, 2017
Oct. 27, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total compensation expense related to unvested awards granted, not yet recognized $ 40,200,000  
Total compensation expense related to unvested awards granted, not yet recognized weighted-average period for recognition (in years) 2 years 4 months 7 days  
Common Stock    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Amount authorized to be repurchased   $ 20,000,000.0
Remaining authorized amount to purchase sres $ 18,200,000  
Stock repurchased during period, amount $ 0