v3.26.1
Cost of sales of goods and services, without considering depreciation and amortization - Cost of sales of goods (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
USD ($)
T
oz
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Cost of production      
Provision (reversal) for impairment of finished goods and product in progress, note 8(b) $ 1,782 $ 6,487 $ (3,851)
Cost of sales of goods, without considering depreciation and amortization $ 750,985 568,482 457,354
Copper concentrate acquired | T 8,844    
Quantity of silver acquired | oz 81,665    
cost of sales of products [Member]      
Disclosure of cost of sales [Line Items]      
Beginning balance of finished goods and products in process, net of depreciation and amortization $ 18,523 18,748 22,667
Cost of production      
Services provided by third parties 261,879 239,804 166,227
Direct labor 126,440 106,022 77,781
Consumption of materials and supplies 123,241 104,063 93,407
Short-term and low-value leases 56,134 39,747 26,794
Maintenance and repair 26,276 22,903 21,601
Electricity and water 20,737 20,823 16,946
Insurance 19,727 14,707 28,729
Transport 8,958 11,763 13,589
Other minor cost of services 17,758 14,912 4,510
Provision (reversal) for impairment of finished goods and product in progress, note 8(b) (1,782) (6,487) 3,851
Total cost of production 659,368 568,257 453,435
Final balance of finished goods and products in process (24,182) (18,523) (18,748)
Final balance of finished goods and products in process, net of depreciation and amortization (24,182) (18,523) (18,748)
Purchase of concentrates 97,276 0 0
Cost of sales of goods, without considering depreciation and amortization $ 750,985 $ 568,482 $ 457,354