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Employee Incentive Plans - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Shares available for awards (shares) 716,496    
Recognized tax benefit relating to non-cash compensation expense $ 3.0 $ 2.3 $ 2.4
Share-based Compensation Arrangement by Share-based Payment Award, stock units, vested in period, fair value $ 9.7 $ 12.4 $ 16.4
Restricted stock units (RSUs)      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Number of common share received by the employee on vesting 1    
Service period 3 years    
Restricted Stock      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Service period 1 year    
Performance Shares      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Number of common share received by the employee on vesting 1    
Performance Shares | Tranche One      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Performance period 3 years    
Performance Shares | Tranche Two      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Performance period 3 years    
Performance Shares | Tranche Four      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Performance period 3 years    
Performance Shares | Minimum      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Number of performance shares that may be earned, as a percentage (percent) 0.00%    
Performance Shares | Maximum      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Number of performance shares that may be earned, as a percentage (percent) 200.00%    
Accrued salaries, wages and related expenses      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Accrued salaries, wages and related expenses $ 9.3