Annual report pursuant to Section 13 and 15(d)

Employee Benefits and Share Option Plans - Summary of Share Option Awards (Details 1)

v3.3.1.900
Employee Benefits and Share Option Plans - Summary of Share Option Awards (Details 1) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Weighted- Average Contractual Term (years)    
Outstanding as of beginning of period 8 years 7 months 2 days 7 years 7 months 9 days
Vested and expected to vest 8 years 5 months 19 days  
Exercisable 5 years 10 months 2 days  
Aggregate intrinsic Value    
Outstanding $ 104,864 $ 142,831
Vested and expected to vest 101,824  
Exercisable $ 40,890  
Time Based Options    
Number of Share Option Awards    
Outstanding as of beginning of period 6,079,881  
Granted 5,130,000  
Exercised (2,144,702)  
Forfeited and cancelled (1,363,108)  
Outstanding as of end of period 7,702,071 6,079,881
Vested and expected to vest as of end of period 7,351,098  
Exercisable as of end of period 808,794  
Weighted-Average Exercise Price    
Outstanding as of beginning of period $ 29.92  
Granted 56.64  
Exercised 27.39  
Forfeited and cancelled 37.49  
Outstanding as of end of period 47.35 $ 29.92
Vested and expected to vest as of end of period 47.22  
Exercisable as of end of period $ 29.23  
Performance Based Options    
Number of Share Option Awards    
Outstanding as of beginning of period 1,457,314  
Granted  
Exercised (546,951)  
Forfeited and cancelled (477,611)  
Outstanding as of end of period 432,752 1,457,314
Vested and expected to vest as of end of period 432,752  
Exercisable as of end of period 432,752  
Weighted-Average Exercise Price    
Outstanding as of beginning of period $ 19  
Granted  
Exercised $ 19  
Forfeited and cancelled 19  
Outstanding as of end of period 19 $ 19
Vested and expected to vest as of end of period 19  
Exercisable as of end of period $ 19  
Market Based Share Option Awards    
Number of Share Option Awards    
Outstanding as of beginning of period  
Granted 208,333  
Exercised  
Forfeited and cancelled  
Outstanding as of end of period 208,333
Vested and expected to vest as of end of period 208,333  
Exercisable as of end of period  
Weighted-Average Exercise Price    
Outstanding as of beginning of period  
Granted $ 59.43  
Exercised  
Forfeited and cancelled  
Outstanding as of end of period $ 59.43
Vested and expected to vest as of end of period $ 59.43  
Exercisable as of end of period