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Financial risk management - Narrative (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 USD ($) customer risk | Dec. 31, 2022 USD ($)
Financial risk management [Line Items] |  |
Number of customers that gold and copper concentrate production is sold to | customer | 3 |
Number of foreign exchange risks | risk | 3 |
At 1 percent change |  |
Financial risk management [Line Items] |  |
Interest income | $ | $ 1.9 | $ 2.0

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- Definition Number Of Customers Of Gold And Copper Concentrate + References No definition available. + Details
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- Details
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