Additional information on the consolidated statements of loss - Disclosure of other gains, net (Details) - CAD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Additional Information On Consolidated Statements Of Income (Loss) [Abstract]
Change in fair value of financial assets at fair value through profit and loss	$ (16,848)	$ 6,987
Net gain on dilution of investments in associates	3,604	0
Net gain on acquisition of investments	48	7,416
Impairment of investments	(2,361)	(2,112)
Other	0	33
Other (losses) gains, net	$ (15,557)	$ 12,324

The gains (losses) on financial assets mandatorily measured at fair value through profit or loss in accordance with IFRS 9. [Refer: Financial assets at fair value through profit or loss, mandatorily measured at fair value; Gains (losses) on financial assets at fair value through profit or loss; Financial liabilities]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2022-03-24
-Paragraph 20
-Subparagraph a
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_20_a_i&doctype=Standard
-URIDate 2022-03-24

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Period Type:	duration