Selling expenses (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of Selling Expenses [Line Items] | |||
| Transportation services | $ 18,855 | $ 17,343 | $ 12,596 |
| Shipping services and expenses | 4,248 | 3,704 | 2,719 |
| Canons and tributes | 3,335 | 2,784 | 2,146 |
| Laboratory analysis and tests | 1,173 | 965 | 437 |
| Personnel expenses | 693 | 631 | 699 |
| Other | 358 | 341 | 795 |
| Total | 28,662 | 25,768 | 19,392 |
| Sociedad Minera Cerro Verde S.A.A. | |||
| Disclosure of Selling Expenses [Line Items] | |||
| Copper concentrate freight | 110,390 | 135,951 | 145,725 |
| Commissions | 4,926 | 5,641 | 5,960 |
| Memberships and other | 1,874 | 2,067 | 2,457 |
| Other | 1,453 | 2,112 | 4,102 |
| Total | $ 118,643 | $ 145,771 | $ 158,244 |