Financial expenses and income - Financial Income (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure Of Financial Income [Line Items] | |||
| Total finance revenues | $ 48,346 | $ 12,528 | $ 9,057 |
| Sociedad Minera Cerro Verde S.A.A. | |||
| Disclosure Of Financial Income [Line Items] | |||
| Gain in the fair value of market liquid investment | 25,001 | 33,570 | 35,142 |
| Interest earned by bank accounts | 7,238 | 1,096 | 15 |
| Interest on tax refunds | 6,883 | 5,282 | 2 |
| Discounts for advance payments to suppliers | 539 | 675 | 1,126 |
| Other financial income | 351 | ||
| Total finance revenues | $ 40,012 | $ 40,623 | $ 36,285 |