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Financial expenses (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Finance Expense [Line Items] |  |  |
Financial expenses | $ 37,822 | $ 42,173 | $ 38,422
Sociedad Minera Cerro Verde S.A.A. [Member] |  |  |
Finance Expense [Line Items] |  |  |
Interest on disputed mining royalties (a) | 43,838 | 68,107 | 370,159
Tax contingencies (b) | 54,098 | 2,488 | 4,273
Interest on senior unsecured credit facility (see Note 10(b)) | 22,351 | 39,083 | 49,551
Excess of salaries limit in workers profit sharing | 16,591 | 0 |
Interest for leases (see Note 10(a)) | 4,875 | 5,242 |
Amortization debt issuance cost (See Note 10(b)) | 1,673 | 1,768 | 2,419
Extinguishment of debt - debt issuance cost (see Note 10(b)) | 902 | 1,298 | 1,902
Capitalized Interest associated to capital projects (see Note 7(a)) | (2,544) | (4,504) | (3,790)
Other financial expenses | 891 | 2,395 | 2,219
Financial expenses | $ 142,675 | $ 115,877 | $ 426,733

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- Definition The amount of interest that is capitalized during the period. + References No definition available. + Details
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- Definition The amount of debt issuance cost related to extinguishment debt. + References No definition available. + Details
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- Definition Amount of financial expenses for excess of salaries limit of workers profit sharing. + References No definition available. + Details
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- Definition The amount of interest expense on mining royalties. + References No definition available. + Details
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- Definition The amount of costs associated with financing activities of the entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 82 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_82_b&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of interest expense on debt instruments issued. [Refer: Interest expense; Debt instruments issued] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of interest expense on lease liabilities. [Refer: Lease liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2020-01-01 -Paragraph 53 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2020-en-r&anchor=para_53_b&doctype=Standard -URIDate 2020-01-01 + Details
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