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Share-Based Compensation - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options vest increments per year 25.00%    
Total Compensation cost related to non-vested share option and restricted stock unit not yet recognized $ 622    
Total compensation cost related to non-vested shares and restricted stock to be recognized over weighted average period 1 year 6 months    
Closing common share price $ 35.71    
Aggregate intrinsic value of all options exercisable and outstanding $ 11,776    
Aggregate intrinsic value of all options exercised $ 5,513 $ 710 $ 4
Weighted average contractual life of share options exercisable 4 years 4 months 24 days    
Weighted average contractual life of share options outstanding 4 years 8 months 12 days    
Stock options granted 0 0 250,000
Weighted average grant date fair value of share options granted     $ 4.47
PSU      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share units granted     0
Time-based RSU      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total Compensation cost related to non-vested share option and restricted stock unit not yet recognized $ 11,889    
Total compensation cost related to non-vested shares and restricted stock to be recognized over weighted average period 1 year 10 months 24 days    
Market-based RSU      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total Compensation cost related to non-vested share option and restricted stock unit not yet recognized $ 11,889    
Total compensation cost related to non-vested shares and restricted stock to be recognized over weighted average period 1 year 10 months 24 days    
Employees | RSU | Prior to 2020      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options vest increments per year 25.00%    
Vesting period 4 years    
Employees | RSU | During 2020      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options vest increments per year 33.33%    
Vesting period 3 years    
Directors | RSU      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 1 year    
Certain Executive | PSU      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 3 years 3 years  
2019 Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 2,105,418    
Share units granted 207,790 384,428 309,192
2019 Plan | RSU      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share units granted 102,956 200,868 309,192
2019 Plan | PSU      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 3 years