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Income Taxes - Schedule of Loss Carryforwards and Deductible Temporary Differences (Details) - CAD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Non-capital tax losses |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Non-capital and capital tax losses | $ 38.4 | $ 49.1
Non-capital tax losses | Expire (2025 to 2044) |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Non-capital and capital tax losses | 7.2 | 7.2
Non-capital tax losses | Never expire |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Non-capital and capital tax losses | 31.2 | 41.9
Capital tax losses | Never expire |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Non-capital and capital tax losses | 7.6 | 7.7
Non-capital and capital tax losses |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Non-capital and capital tax losses | $ 46.0 | $ 56.8

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