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Share-Based Compensation - Summary of Share Units (Deferred share units) (Details) - Deferred Share Units [Member]
3 Months Ended 12 Months Ended
Mar. 31, 2022
anniversary
$ / shares
shares
Dec. 31, 2021
anniversary
$ / shares
shares
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Opening Balance, Number | anniversary 1,406,170 1,147,182
Granted, Number | anniversary 76,751 247,317
In lieu of dividends, Number of DSUs | shares 4,269 11,671
Ending Balance, Number | anniversary 1,487,190 1,406,170
Opening Balance , Weighted average grant $ 10.51 $ 11.01
Granted , Weighted average grant 8.14 8.33
In lieu of dividends , Weighted average grant 7.81 8.15
Ending Balance , Weighted average grant $ 10.38 $ 10.51