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Stock-Based Compensation - Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 02, 2013
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Employee stock options        
Number of Shares subject to outstanding options        
Balance at the beginning of the period (in shares)   4,045,801    
Options granted (in shares)   1,135,600 957,000  
Options forfeited (in shares)   (72,678)    
Options exercised (in shares)   (121,469)    
Balance at the end of the period (in shares)   4,987,254   4,045,801
Exercisable options (in shares)   2,072,560    
Weighted Average Exercise Price (Per Share)        
Balance at the beginning of the period (in dollars per share)   $ 11.95    
Options granted (in dollars per share)   22.67    
Options forfeited (in dollars per share)   15.40    
Options exercised (in dollars per share)   8.45    
Balance at the end of the period (in dollars per share)   14.43   $ 11.95
Exercisable (in dollars per share)   $ 9.61    
Weighted-average remaining contractual life   8 years 18 days   7 years 9 months 26 days
Weighted-average remaining contractual life of awards exercisable   6 years 8 months 12 days    
Aggregate intrinsic value of options outstanding   $ 47,683    
Aggregate intrinsic value of options exercisable   $ 29,654    
Closing price of common stock (in dollars per share)   $ 23.92    
Weighted average fair value of options granted (in dollars per share)   $ 16.95 $ 8.30  
The 2010 Plan        
Number of Shares subject to outstanding options        
Options granted (in shares) 0