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Income Tax - Additional Information (Details) - CAD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Temporary tax differences between assets and liabilities    
Total unrecognized temporary differences $ 82,116 $ 81,788
Non-capital loss carryforwards subject to expiration 52,576 36,903
Non-capital loss carryforwards that do not expire 2,292  
Capital loss carry-forward    
Temporary tax differences between assets and liabilities    
Total unrecognized temporary differences 21,542 20,059
Capital loss carried forward indefinitely and can only be realized against future capital gains    
Temporary tax differences between assets and liabilities    
Total unrecognized temporary differences $ 21,542 $ 20,059