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Financial expenses and income - Financial Income (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure Of Financial Income [Line Items] |  |  |
Total finance revenues | $ 14,443 | $ 5,952 | $ 2,411
Sociedad Minera Cerro Verde S.A.A. |  |  |
Disclosure Of Financial Income [Line Items] |  |  |
Gain in the fair value of market liquid investment | 11,215 | 803 | 1,816
Interest income on tax obligations | 4,921 | 1,107 | 0
Other Interest income | 1,099 | 910 | 534
Total finance revenues | $ 17,235 | $ 2,820 | $ 2,350

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