v3.26.1
Expenses by nature (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
IfrsStatementLineItems [Line Items]      
Raw materials and consumables used $ (1,279,041) $ (1,187,542) $ (1,228,138)
Third-party services (591,405) (574,309) (626,207)
Depreciation and amortization (288,996) (330,198) (310,475)
Employee benefit expenses (300,470) (279,280) (271,589)
Other expenses (56,395) (52,385) (64,159)
Total (2,516,307) (2,423,714) (2,500,568)
Expenses By Nature Cost Of Sales [Member]      
IfrsStatementLineItems [Line Items]      
Raw materials and consumables used (1,279,041) (1,187,542) (1,228,138)
Third-party services (474,079) (481,942) (508,556)
Depreciation and amortization (284,226) (322,135) (306,251)
Employee benefit expenses (219,165) (209,526) (204,269)
Other expenses (32,648) (27,265) (27,143)
Total (2,289,159) (2,228,410) (2,274,357)
Expenses By Nature Selling General And Administrative [Member]      
IfrsStatementLineItems [Line Items]      
Raw materials and consumables used
Third-party services (56,706) (43,170) (44,441)
Depreciation and amortization (3,847) (7,375) (4,025)
Employee benefit expenses (68,086) (60,124) (53,534)
Other expenses (16,813) (16,659) (24,599)
Total (145,452) (127,328) (126,599)
Expenses By Nature Mineral Exploration And Project Development [Member]      
IfrsStatementLineItems [Line Items]      
Raw materials and consumables used
Third-party services (60,620) (49,197) (73,210)
Depreciation and amortization (923) (688) (199)
Employee benefit expenses (13,219) (9,630) (13,786)
Other expenses (6,934) (8,461) (12,417)
Total $ (81,696) $ (67,976) $ (99,612)