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Share-Based Compensation - Summary of Share Units (Deferred share units) (Detail) - Deferred Share Units [Member]
12 Months Ended
Dec. 31, 2024
shares
$ / shares
Dec. 31, 2024
shares
$ / shares
Toronto Stock Exchange [Member]    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Opening Balance, Number | shares 1,560,110 1,560,110
Granted, Number | shares 259,563 259,563
In lieu of dividends, Number of DSUs | shares 22,566 22,566
Vested, Number | shares (396,062) (396,062)
Forfeited, Number | shares (1,220) (1,220)
Ending Balance, Number | shares 1,444,957 1,444,957
Opening Balance, Weighted average grant | $ / shares $ 10.45  
Granted, Weighted average grant | $ / shares 8.66  
In lieu of dividends , Weighted average grant | $ / shares 7.16  
Vested, Weighted average grant | $ / shares 10.01  
Forfeited, Weighted average grant | $ / shares 5.89  
Ending Balance, Weighted average grant | $ / shares $ 10.2  
New York Stock Exchange [Member]    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Opening Balance, Number | shares 0 0
Granted, Number | shares 12,711 12,711
In lieu of dividends, Number of DSUs | shares 122 122
Vested, Number | shares 0 0
Forfeited, Number | shares 0 0
Ending Balance, Number | shares 12,833 12,833
Opening Balance, Weighted average grant | $ / shares   $ 0
Granted, Weighted average grant | $ / shares   6.24
In lieu of dividends , Weighted average grant | $ / shares   5.72
Vested, Weighted average grant | $ / shares   0
Forfeited, Weighted average grant | $ / shares   0
Ending Balance, Weighted average grant | $ / shares   $ 6.24