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Share-based Compensation - Performance Units Narratives (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award      
Recognition period for unrecognized share based compensation 1 year 10 months 24 days    
Share based compensation not yet recognized $ 9.9    
Performance units      
Share-based Compensation Arrangement by Share-based Payment Award      
Award vesting period 3 years    
Percentage of earn-out granted 100.00%    
Recognition period for unrecognized share based compensation 1 year 8 months 12 days    
Share based compensation not yet recognized $ 3.0    
Granted (usd per share) $ 118.41 $ 67.50 $ 69.53
Fair value of shares vested $ 0.9 $ 0.3 $ 1.1
Performance units | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award      
Percentage of earn-out granted 0.00%    
Performance units | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award      
Percentage of earn-out granted 200.00%