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Financial Instruments And Risk Management -Summary Of Maximum Exposure To Credit Risk (Detail) - CAD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of credit risk exposure [abstract]      
Cash $ 201,804 $ 74,022 $ 52,118
Amounts receivable 1,178 304  
Maximum exposure to credit risk $ 202,982 $ 74,326