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Financial Instruments - Summary of Sensitivity Analysis of Fair Value Measurement To Changes In Unobservable Inputs, Liabilities (Detail) - CAD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2022
Dec. 31, 2021
USD    
Disclosure of sensitivity analysis of fair value measurement to changes in unobservable inputs, liabilities [line items]    
Other comprehensive income $ 14,454 $ 14,019
Earnings before income taxes (9,510) (9,633)
AUD    
Disclosure of sensitivity analysis of fair value measurement to changes in unobservable inputs, liabilities [line items]    
Other comprehensive income 334 908
Earnings before income taxes 0
BRL    
Disclosure of sensitivity analysis of fair value measurement to changes in unobservable inputs, liabilities [line items]    
Other comprehensive income 300 221
Earnings before income taxes $ 0