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Income Tax - Summary Of Components Of Income Tax Expense (Detail) - CAD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Major components of tax expense (income) [abstract]    
Current income taxes $ 17,945 $ 13,135
Deferred income taxes 3,265 43,422
Income tax expense from continuing operations $ 21,210 $ 56,557