Impairment of long-lived assets (Details 2) - Cerro Pasco C G U [Member] $ in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2025
USD ($)
| |
| IfrsStatementLineItems [Line Items] | |
| Carrying amount prior to impairment reversal | $ 394,222 |
| Impairment reversal | 108,005 |
| Carrying amount after impairment reversal | 502,228 |
| Property, plant and equipment [member] | |
| IfrsStatementLineItems [Line Items] | |
| Carrying amount prior to impairment reversal | 292,466 |
| Impairment reversal | 17,448 |
| Carrying amount after impairment reversal | 309,914 |
| Intangible Assets [Member] | |
| IfrsStatementLineItems [Line Items] | |
| Carrying amount prior to impairment reversal | 155,528 |
| Impairment reversal | 90,558 |
| Carrying amount after impairment reversal | 246,086 |
| Other Net Liabilities [Member] | |
| IfrsStatementLineItems [Line Items] | |
| Carrying amount prior to impairment reversal | (53,772) |
| Impairment reversal | |
| Carrying amount after impairment reversal | $ (53,772) |