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Income Taxes - Summary of Movement in Deferred Tax Liability (Detail) - CAD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Changes in deferred tax liability (asset) [abstract]    
Opening balance $ 712 $ 725
Recognized in income tax expense 1,122 930
Recognized in OCI/equity 702 (943)
Net deferred tax liability $ 2,536 $ 712