v3.26.1
Segmented Information - Schedule of Operating Segments (Parenthetical) (Detail)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Gold interests [member]        
Disclosure of operating segments [line items]        
Percentage of sales 10.00% 10.00% 10.00% 10.00%
Silver interests [member]        
Disclosure of operating segments [line items]        
Percentage of sales 10.00% 10.00% 10.00% 10.00%