Annual report pursuant to Section 13 and 15(d)

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

v3.6.0.2
Employee Benefits and Share-Based Compensation - Summary of Share Option Awards (Details 1) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Weighted- Average Contractual Term (years)    
Outstanding 7 years 9 months 22 days 8 years 7 months 2 days
Vested and expected to vest 7 years 7 months 6 days  
Exercisable 6 years 8 months 1 day  
Aggregate intrinsic Value    
Outstanding $ 35,429 $ 104,864
Vested and expected to vest 34,926  
Exercisable $ 24,272  
Time Based Options    
Number of Share Option Awards    
Outstanding as of beginning of period 7,702,071  
Granted 1,095,000  
Exercised (235,555)  
Forfeited and cancelled (786,458)  
Outstanding as of end of period 7,775,058 7,702,071
Vested and expected to vest as of end of period 7,558,521  
Exercisable as of end of period 2,539,348  
Weighted-Average Exercise Price    
Outstanding as of beginning of period $ 47.35  
Granted 49.88  
Exercised 28.19  
Forfeited and cancelled 49.82  
Outstanding as of end of period 48.04 $ 47.35
Vested and expected to vest as of end of period 48.01  
Exercisable as of end of period $ 43.30  
Performance Based Options    
Number of Share Option Awards    
Outstanding as of beginning of period 432,752  
Granted 52,083  
Exercised (51,857)  
Forfeited and cancelled  
Outstanding as of end of period 432,978 432,752
Vested and expected to vest as of end of period 432,978  
Exercisable as of end of period 432,978  
Weighted-Average Exercise Price    
Outstanding as of beginning of period $ 19.00  
Granted 59.43  
Exercised 19.00  
Forfeited and cancelled  
Outstanding as of end of period 23.86 $ 19.00
Vested and expected to vest as of end of period 23.86  
Exercisable as of end of period $ 23.86  
Market Based Share Option Awards    
Number of Share Option Awards    
Outstanding as of beginning of period 208,333  
Granted  
Exercised  
Forfeited and cancelled  
Outstanding as of end of period 208,333 208,333
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 $ 59.43  
Granted  
Exercised  
Forfeited and cancelled  
Outstanding as of end of period 59.43 $ 59.43
Vested and expected to vest as of end of period 59.43  
Exercisable as of end of period