Stock-Based Compensation (Details 2) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Oct. 01, 2015
Jul. 01, 2015
Jun. 03, 2015
Jun. 01, 2015
Apr. 01, 2015
Jan. 02, 2015
Jan. 01, 2015
Mar. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Additional disclosures                      
Compensation cost related to the nonvested awards not yet recognized                 $ 11,600    
Weighted average period for recognition of compensation cost                 2 years 1 month 6 days    
Summary of restricted stock unit activity                      
Total unrecognized compensation cost related to unvested RSUs                 $ 14,800    
Unrecognized compensation cost period expected to be realized                 2 years 7 months 6 days    
Stock options                      
Stock-Based Compensation                      
Vesting period                 4 years    
Expiration period                 10 years    
Fair value assumptions and methodology                      
Risk-free interest rate minimum (as a percent)                 1.50% 1.70% 0.90%
Risk-free interest rate maximum (as a percent)                 1.90% 2.10% 2.00%
Expected volatility minimum (as a percent)                   50.00% 55.00%
Expected Volatility (as a percent)                 50.00%    
Expected volatility maximum (as a percent)                   55.00% 58.00%
Dividend yield (as a percent)                 0.00% 0.00% 0.00%
Weighted average grant date fair value (in dollars per share) $ 32.20 $ 30.83 $ 28.58 $ 28.23 $ 25.52 $ 19.48 $ 19.66   $ 12.54 $ 5.71 $ 4.58
Number of Options                      
Outstanding balance at the beginning of the period (in shares)             5,850,211 5,298,510 5,850,211    
Granted (in shares) 6,520 19,743 10,629 28,770 608,746 14,888 3,518   692,814    
Exercised (in shares)                 (1,141,731)    
Forfeited (in shares)                 (96,441)    
Expired (in shares)                 (6,343)    
Outstanding balance at the end of the period (in shares)                 5,298,510 5,850,211  
Exercisable at the end of the period (in shares)                 3,426,496    
Vested and expected to vest at the end of the period (in shares)                 5,161,978    
Weighted Average Exercise Price per Share                      
Outstanding balance at the beginning of the period (in dollars per share)             $ 5.39 $ 8.07 $ 5.39    
Granted (in dollars per share) $ 32.20 $ 30.83 $ 28.58 $ 28.23 $ 25.52 $ 19.48 $ 19.66   25.73    
Exercised (in dollars per share)                 4.67    
Forfeited (in dollars per share)                 12.34    
Expired (in dollars per share)                 12.13    
Outstanding balance at the end of the period (in dollars per share)                 8.07 $ 5.39  
Exercisable at the end of the period (in dollars per share)                 4.30    
Vested and expected to vest at the end of the period (in dollars per share)                 $ 7.82    
Weighted Average Remaining Contractual Term                      
Outstanding balance                 6 years 7 months 28 days 7 years 3 months 29 days  
Granted                 9 years 15 days    
Exercised                 5 years 9 months 4 days    
Exercisable at the end of the period                 5 years 9 months 7 days    
Vested and expected to vest at the end of the period                 6 years 7 months 10 days    
Aggregate Intrinsic Value                      
Outstanding balance at the end of the period                 $ 105,595 $ 83,487  
Exercisable at the end of the period                 81,131    
Vested and expected to vest at the end of the period                 104,132    
Additional disclosures                      
Aggregate intrinsic value of employee options exercised                 $ 25,800 $ 16,200 $ 1,800
Summary of shares of common stock granted during the period                      
Number of Shares Underlying Options Granted 6,520 19,743 10,629 28,770 608,746 14,888 3,518   692,814    
Exercise Price per Share $ 32.20 $ 30.83 $ 28.58 $ 28.23 $ 25.52 $ 19.48 $ 19.66   $ 25.73    
Estimated Grant Date Fair Value per Share $ 32.20 $ 30.83 $ 28.58 $ 28.23 $ 25.52 $ 19.48 $ 19.66   $ 12.54 $ 5.71 $ 4.58
Stock options | Minimum                      
Fair value assumptions and methodology                      
Expected Term in (Years)                 5 years 6 months 22 days 5 years 1 month 10 days 5 years 6 months 15 days
Stock options | Maximum                      
Fair value assumptions and methodology                      
Expected Term in (Years)                 6 years 29 days 6 years 3 months 6 years 3 months 22 days
Restricted Stock Units                      
Stock-Based Compensation                      
Vesting period                 4 years    
Summary of restricted stock unit activity                      
Outstanding balance at the beginning of the period (in shares)             992,665 1,220,008 992,665    
Granted (in shares)                 585,765    
Vested (in shares)                 (272,128)    
Forfeited (in shares)                 (86,294)    
Outstanding balance at the end of the period (in shares)                 1,220,008 992,665  
Weighted-Average Grant-Date Fair value                      
Outstanding at the beginning of the period (in dollars per share)             $ 11.39 $ 17.97 $ 11.39    
Granted (in dollars per share)                 25.74    
Vested (in dollars per share)                 11.54    
Forfeited (in dollars per share)                 15.20    
Outstanding at the end of the period (in dollars per share)                 $ 17.97 $ 11.39  
Other stock awards                      
Summary of restricted stock unit activity                      
Issuance of common stock award (in shares)                 26,567    
Fair value of stocks granted                 $ 800    
2014 Equity Incentive Plan                      
Number of Options                      
Outstanding balance at the beginning of the period (in shares)               1,698,475      
Outstanding balance at the end of the period (in shares)                 1,698,475    
Weighted Average Exercise Price per Share                      
Outstanding balance at the beginning of the period (in dollars per share)               $ 17.03      
Outstanding balance at the end of the period (in dollars per share)                 $ 17.03    
2014 Equity Incentive Plan | Stock options                      
Number of Options                      
Granted (in shares)               3,617      
Summary of shares of common stock granted during the period                      
Number of Shares Underlying Options Granted               3,617      
2014 Equity Incentive Plan | Restricted Stock Units                      
Summary of restricted stock unit activity                      
Outstanding balance at the beginning of the period (in shares)               1,220,008      
Granted (in shares)               8,177      
Outstanding balance at the end of the period (in shares)                 1,220,008