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Subsidiaries with material non-controlling interest - Statements of cash flow (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure Of Subsidiaries with material non-controlling interest [Line Items] |  |  |
Operating activities | $ (41,666) | $ 233,495 | $ (122,885)
Investing activities | 205,753 | (86,287) | (62,224)
Financing activities | (370,500) | 461,332 | (35,258)
Increase in cash and cash equivalents in the year | (123,081) | 141,550 | 25,403
Sociedad Minera El Brocal S.A.A |  |  |
Disclosure Of Subsidiaries with material non-controlling interest [Line Items] |  |  |
Operating activities | 77,223 | 104,858 | 53,304
Investing activities | (62,579) | (37,618) | (24,699)
Financing activities | (23,778) | (57,176) | (1,954)
Increase in cash and cash equivalents in the year | (9,134) | 10,064 | 26,651
Minera La Zanja S.R.L |  |  |
Disclosure Of Subsidiaries with material non-controlling interest [Line Items] |  |  |
Operating activities | 0 | (50,647) | (5,751)
Investing activities | 0 | (998) | (825)
Financing activities | 0 | 0 | 0
Increase in cash and cash equivalents in the year | 0 | (51,645) | (6,576)
S.M.R.L. Chaupiloma Dos de Cajamarca |  |  |
Disclosure Of Subsidiaries with material non-controlling interest [Line Items] |  |  |
Operating activities | 0 | 10,838 | 13,738
Investing activities | 0 | 0 | 0
Financing activities | 0 | (11,900) | (12,850)
Increase in cash and cash equivalents in the year | 0 | (1,062) | 888
Apu Coropuna S.R.L. |  |  |
Disclosure Of Subsidiaries with material non-controlling interest [Line Items] |  |  |
Operating activities | (85) | (1,227) | (74)
Investing activities | 0 | 0 | 0
Financing activities | 0 | 0 | 0
Increase in cash and cash equivalents in the year | $ (85) | $ (1,227) | $ (74)

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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 2022-03-24 -Paragraph 10 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_10&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 50 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_50_d&doctype=Standard -URIDate 2022-03-24 + Details
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