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Basis for preparation, consolidation and accounting policies - Impact of Adoption of IFRS 16 on Impact on consolidated statement of cash flows (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of basis for preparation, consolidation and accounting policies [Line Items] |  |  |
Interest paid | $ (21,653) | $ (28,266) | $ (27,699)
Net cash and cash equivalents provided by operating activities | 122,885 | 47,065 | 346,260
Net cash and cash equivalents used in financing activities | $ (35,258) | (100,618) | (74,052)
Minera Yanacocha SRL and subsidiary [Member] |  |  |
Disclosure of basis for preparation, consolidation and accounting policies [Line Items] |  |  |
Net cash and cash equivalents provided by operating activities |  | $ (34,419) | $ (78,519)

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- Definition Basis for preparation, consolidation and accounting policies + References No definition available. + Details
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- Definition The cash flows from (used in) financing activities, which are activities that result in changes in the size and composition of the contributed equity and borrowings of the entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 10 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_10&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 50 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_50_d&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The cash flows from (used in) operating activities, which are the principal revenue-producing activities of the entity and other activities that are not investing or financing activities. [Refer: Revenue] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 10 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_10&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 50 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_50_d&doctype=Standard -URIDate 2020-01-01 + Details
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