Other financial liabilities (debt) - Additional information (Details) |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2024
USD ($)
item
|
Dec. 31, 2023
USD ($)
item
|
Dec. 31, 2022
USD ($)
|
May 31, 2022
USD ($)
|
|
| Disclosure Of Other Financial Liabilities debt [Line Items] | ||||
| Repayments Of Borrowings Classified As Financing Activities | $ 0 | $ 49,000,000 | $ 50,000,000 | |
| Sociedad Minera El Brocal S.A.A | ||||
| Disclosure Of Other Financial Liabilities debt [Line Items] | ||||
| Total Debt | $ 50,623,000 | $ 59,592,000 | ||
| Maximum earnings before interest, taxes, depreciation, and amortization ratio | item | 3.5 | 3 | ||
| Minimum Interest Coverage Ratio | item | 1 | 1 | ||
| Sociedad Minera El Brocal S.A.A | Credit Facility | ||||
| Disclosure Of Other Financial Liabilities debt [Line Items] | ||||
| Commitment fee | 0.50% | |||
| Unsecured Revolving Credit Facility [Member] | Sociedad Minera El Brocal S.A.A | ||||
| Disclosure Of Other Financial Liabilities debt [Line Items] | ||||
| Notional amount | $ 350,000,000 | |||
| Interest expense | $ 1,900,000 | $ 1,900,000 | ||