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Fair value of financial instruments (Narrative) (Details) - CAD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Disclosure of fair value measurement of assets [line items] |  |
Fair value of warrants transferred from Level 3 to Level 1 |  | $ 5.1
Level 3 [Member] |  |
Disclosure of fair value measurement of assets [line items] |  |
Sensitivity analysis, variance, percentage | 10.00% | 10.00%

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Details
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