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Share-Based Compensation - Summary of Share Units (Deferred share units) (Detail) - Deferred Share Units [Member]
12 Months Ended
Dec. 31, 2022
shares
$ / shares
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Opening Balance, Number | shares 1,406,170
Granted, Number | shares 307,037
In lieu of dividends, Number of DSUs | shares 20,806
Vested, Number | shares (108,500)
Ending Balance, Number | shares 1,625,513
Opening Balance, Weighted average grant | $ / shares $ 10.51
Granted, Weighted average grant | $ / shares 7.12
In lieu of dividends , Weighted average grant | $ / shares 6.86
Vested, Weighted average grant | $ / shares 5.45
Ending Balance, Weighted average grant | $ / shares $ 10.16