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Stock-Based Compensation - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares available for grant 4,300,000    
Common stock, par value (in dollars per share) $ 0.0005 $ 0.0005  
Total share-based compensation cost not yet recognized $ 103,000,000    
Remaining weighted average service period 2 years 4 months 24 days    
Proceeds from employee stock purchase plan $ 18,173,000 $ 18,085,000 $ 17,629,000
Employee Stock Purchase Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Employee stock purchase plan, stock purchases as a percentage of employee compensation, maximum 10.00%    
Maximum share value authorized for purchase under employee stock purchase plan $ 23,750    
Exercisable price percentage of closing price of another class of stock 95.00%    
Maximum number of shares that may be purchased by eligible participants 3,300,000    
Proceeds from employee stock purchase plan $ 18,200,000 $ 18,100,000 $ 17,600,000
Stock appreciation rights      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Remaining weighted average service period 6 years 1 month 9 days    
Award vesting period 4 years    
Award expiry period from date of grant 7 years    
Total compensation cost not yet recognized, period for recognition 4 years    
Restricted stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common shares per vested award (in shares) 1    
Restricted stock units | Service-based Awards      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 4 years    
Restricted stock units | Performance Shares      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 4 years    
CSEs      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common shares per vested award (in shares) 1    
Base fee percentage 50.00%