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Capital Management and Financial Risk - Maximum exposure to credit risk (Details) - CAD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Capital Management And Financial Risk [Line Item]      
Cash and cash equivalents $ 108,518 $ 131,054 $ 50,915
Trade and other receivables 3,075 1,913  
Restricted cash and investments 11,624 11,231  
Non-Current Investments, Convertible Debenture 13,000 15,565  
Investments-convertible debenture 13,000 15,565  
Maximum exposure to credit risk $ 136,217 $ 159,763