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Share-based compensation (Restricted stock units and restricted stocks activity) (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Weighted average grant date fair value ($)      
Share based compensation expense $ 96,087 $ 69,187 $ 69,410
Time based restricted stock units and restricted stock      
Number      
Number at beginning of period (in shares) 2,108,403    
Granted (in shares) 1,949,786    
Vested (in shares) (908,588)    
Forfeited (in shares) (8,722)    
Number at end of period (in shares) 3,140,879 2,108,403  
Weighted average grant date fair value ($)      
Number at beginning of period (in USD per share) $ 43.81    
Granted (in USD per share) 53.57    
Vested (in USD per share) 50.94    
Forfeited (in USD per share) 45.67    
Number at end of period (in USD per share) $ 47.80 $ 43.81  
Peformance based restricted stock units and restricted stock      
Number      
Number at beginning of period (in shares) 2,254,212    
Granted (in shares) 3,265,427    
Vested (in shares) (509,847)    
Forfeited (in shares) 0    
Number at end of period (in shares) 5,009,792 2,254,212  
Weighted average grant date fair value ($)      
Number at beginning of period (in USD per share) $ 49.11    
Granted (in USD per share) 52.67    
Vested (in USD per share) 51.85    
Forfeited (in USD per share) 0    
Number at end of period (in USD per share) $ 51.15 $ 49.11  
Restricted stock | NV Equity Plan      
Number      
Granted (in shares) 3,832,382    
Weighted average grant date fair value ($)      
Restricted stocks issued (in shares) 3,506,094    
Shares withheld to pay taxes (in shares) 326,288    
Shares withheld to pay taxes, treated as granted (in shares) 169,673    
Share based compensation expense $ 9,700    
Restricted stock | Nv Equity Plan - Executives      
Number      
Granted (in shares) 625,000    
Weighted average grant date fair value ($)      
Number at end of period (in USD per share) $ 42.33    
Aggregate fair value of outstanding restricted stock $ 26,500    
Restricted stock | Nv Equity Plan - Executives | First Milestone      
Number      
Number at end of period (in shares) 312,500    
Weighted average grant date fair value ($)      
Average share price (in USD per share) $ 75    
Number of consecutive calendar days, average share price 30 days    
Restricted stock | Nv Equity Plan - Executives | Second Milestone      
Number      
Number at end of period (in shares) 312,500    
Weighted average grant date fair value ($)      
Average share price (in USD per share) $ 90    
Number of consecutive calendar days, average share price 30 days    
Restricted stock units | NV Equity Plan      
Number      
Vested (in shares) (984,972)    
Weighted average grant date fair value ($)      
Shares withheld to pay taxes, treated as granted (in shares) 169,673    
Ordinary shares issued to the holders of these restricted stock units with the remainder being withheld and applied to pay the taxes involved (in shares) 609,557    
Lapsed restrictions on restricted stock | NV Equity Plan      
Weighted average grant date fair value ($)      
Shares withheld to pay taxes, treated as granted (in shares) 235,629    
Restricted stock issued (in shares) 263,790