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Derivative instruments - Swap contracts (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
(LOSS) GAIN ON SWAP CONTRACTS |  |
Realized | $ 6.7 | $ (11.6)
Unrealized | (4.1) | (1.8)
Total loss | 2.6 | (13.4)
Gold |  |
(LOSS) GAIN ON SWAP CONTRACTS |  |
Realized | 1.2 | 0.2
Unrealized | (1.2) | (0.4)
Total loss | 0.0 | (0.2)
Copper |  |
(LOSS) GAIN ON SWAP CONTRACTS |  |
Realized | 5.5 | (11.8)
Unrealized | (2.9) | (1.4)
Total loss | $ 2.6 | $ (13.2)

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- References No definition available. + Details
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- Definition The gains (losses) on swap contracts which realised duirng the reporting period. + References No definition available. + Details
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- Definition The gains (losses) on swap contracts which recognised during the reporting period. + References No definition available. + Details
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- Definition The gains (losses) on swap contracts which recognised as unrealised duirng the reporting period. + References No definition available. + Details
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- Details
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