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Share-Based Compensation - Summary of Share-Based Compensation (income) expense (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Summary of share-based compensation expense    
Share-based compensation expense $ 2,166 $ 1,763
Share-based compensation expense before income tax 2,166 1,763
Income tax benefit [1] 17 (27)
Share-based compensation expense, net of income tax 2,149 1,736
Performance-based Restricted Stock Units    
Summary of share-based compensation expense    
Share-based compensation expense 14 140
Share-based compensation expense before income tax 14 140
Restricted Stock Awards And Restricted Stock Units    
Summary of share-based compensation expense    
Share-based compensation expense 1,562 1,244
Share-based compensation expense before income tax 1,562 1,244
Stock Options    
Summary of share-based compensation expense    
Share-based compensation expense 590 379
Share-based compensation expense before income tax $ 590 $ 379
[1] The 2022 and 2021 income tax benefit amount primarily reflects the tax benefit associated with our Canadian-based employees.