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Significant accounting policies - Narrative (Details)	12 Months Ended
	Dec. 31, 2024 CAD ($) category
Concentration Risk [Line Items]
Number of categories | category	3
Accounts receivable – holdback percentage	10.00%
Goodwill impairment	$ 0
Impairment of long-lived assets	$ 0

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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