Annual report pursuant to Section 13 and 15(d)

Equity-Based Compensation (Details 1)

v3.3.1.900
Equity-Based Compensation (Details 1) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Summary of option activity under stock plans    
Number of options outstanding, beginning balance 23,299,919  
Number of options, granted 15,579,500  
Number of options, exercised (6,643,991)  
Number of options, forfeited (710,250)  
Number of options, expired (238,391)  
Number of options outstanding, ending balance 31,286,787 23,299,919
Weighted average exercise price, beginning balance $ 5.50  
Weighted average exercise price, granted 13.09  
Weighted average exercise price, exercised 3.93  
Weighted average exercise price, forfeited 9.64  
Weighted average exercise price, expired 1.58  
Weighted average exercise price, ending balance $ 9.55 $ 5.50
Weighted average remaining contractual term, outstanding 6 years 11 months 18 days 5 years 4 months 15 days
Aggregate intrinsic value, outstanding $ 63,902 $ 104,797
Vested and expected to vest, number of options 28,066,315  
Vested and expected to vest, weighted average exercise price $ 9.35  
Weighted average expected to vest, remaining contractual term 6 years 9 months 25 days  
Aggregate intrinsic value, vested and expected to vest $ 60,780  
Number of options exercisable 8,779,201  
Weighted average exercise price exercisable $ 3.76  
Weighted average remaining contractual term, exercisable 3 years 9 months 2 days  
Exercisable, aggregate intrinsic value $ 41,891