XML 174 R101.htm IDEA: XBRL DOCUMENT

Income taxes (Significant components of unrecognized deferred tax assets) (Details) - CAD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Unrecognized deferred tax assets	$ 626,453	$ 554,905
Income tax losses (gains) [Member]
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Unrecognized deferred tax assets	379,695	357,148
Property, plant and equipment [Member]
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Unrecognized deferred tax assets	2,496	2,299
Provision for reclamation [Member]
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Unrecognized deferred tax assets	81,984	68,038
Long-term investments and other, deferred tax assets [Member]
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Unrecognized deferred tax assets	$ 162,278	$ 127,420