Impairment of long-lived assets (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| IfrsStatementLineItems [Line Items] | |||
| Impairment (losses) reversals | $ 91,706 | $ (32,870) | $ (114,643) |
| Magistral Project [Member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Impairment (losses) reversals | (58,435) | ||
| Cerro Pasco C G U [Member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Impairment (losses) reversals | 108,005 | 22,206 | (42,660) |
| Morro Agudo [Member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Impairment (losses) reversals | 10,291 | (59,002) | |
| Pukaqaqa Project [Member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Impairment (losses) reversals | 3,978 | ||
| Others Individual Assets [Member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Impairment (losses) reversals | $ (16,299) | $ (10,910) | $ (12,976) |