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Investments in associates and joint venture - Statements of profit or loss of Coimolache under IFRS (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Investments in associates and joint ventures |  |  |
Sales of goods | $ 676,542 | $ 867,888 | $ 1,150,715
Net income from continued operations | (150,339) | (28,459) | (11,654)
Share in results | (9,517) | 47,710 | (1,144)
Compania Minera Coimolache S.A. [Member] |  |  |
Investments in associates and joint ventures |  |  |
Sales of goods | 203,163 | 241,173 | 225,447
Net income from continued operations | 22,786 | 28,459 | 25,584
Adjustments to conform to the accounting policies | 2,293 | 3,674 | 1,837
Net income, adjusted | 25,079 | 32,133 | 27,421
Share in results | 10,055 | 12,883 | 10,994
Sociedads Minera Cerro Verde Saa [Member] |  |  |
Investments in associates and joint ventures |  |  |
Net income from continued operations | 274,544 | 390,377 | 119,710
Share in results | $ 53,767 | $ 76,451 | $ 23,444

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