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Fair value of financial instruments - Disclosure of detailed information about changes in fair value of level 3 investments (Details) - Level 3 [Member] - CAD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Disclosure of fair value measurement of assets [line items]
Balance - January 1	$ 25,063	$ 1,700
Acquisitions	12,754	4,782
Amendment of a note receivable	0	16,541
Warrants exercised	(1,122)	(347)
Balance - December 31	34,934	25,063
Warrants Exercised [Member]
Disclosure of fair value measurement of assets [line items]
Change in fair value	300	102
Warrants Expired [Member]
Disclosure of fair value measurement of assets [line items]
Change in fair value	(15)	(48)
Investments held at the end of the period [Member]
Disclosure of fair value measurement of assets [line items]
Change in fair value	$ (2,046)	$ 2,333

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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.

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- Definition

The gains (losses) resulting from change in the fair value of derivatives recognised in profit or loss. [Refer: Derivatives [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-IssueDate 2021-01-01
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- Definition

The amount of investments other than investments accounted for using the equity method. [Refer: Investments accounted for using equity method]

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Acquisitions

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Represents amount of amendment for note receivable.

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