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Property, plant and equipment (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Property, plant and equipments [Abstract] |  |  |
Land | $ 23,507 | $ 23,579 |
Buildings | 270,563 | 239,666 |
Other property, plant and equipment | 32,846 | 35,418 |
Transport equipment | 2,463 | 2,880 |
Suppliers and accessories | 5,556 | 4,183 |
Office equipment | 1,386 | 459 |
Network and communication equipment | 1,359 | 1,272 |
Mining assets | 38,241 | 47,052 |
IT equipment | 3,570 | 4,083 |
Energy generating assets | 3,970 | 4,878 |
Construction in progress | 731,787 | 486,345 |
Machinery, plant and equipment | 896,977 | 887,504 |
Total | 2,012,225 | 1,737,319 | $ 1,569,906
Description of classes of property, plant and equipment [Abstract] |  |  |
Pumps | 28,889 | 28,184 |
Conveyor belt | 18,294 | 20,117 |
Crystallizer | 20,189 | 22,145 |
Plant equipment | 168,370 | 173,335 |
Water tanks | 22,358 | 15,367 |
Filter | 41,438 | 35,553 |
Facilities or electrical equipment | 97,594 | 93,937 |
Other machinery, plant and equipment | 71,150 | 49,930 |
Site Closure | 34,248 | 36,828 |
Piping | 106,317 | 102,578 |
Pond | 42,547 | 41,906 |
Well | 202,982 | 226,347 |
Parts | 42,601 | 41,277 |
Total | 896,977 | 887,504 |
Gross carrying amount [member] |  |  |
Property, plant and equipments [Abstract] |  |  |
Land | 23,507 | 23,579 |
Buildings | 767,096 | 705,089 |
Other property, plant and equipment | 239,582 | 234,238 |
Transport equipment | 13,357 | 13,030 |
Suppliers and accessories | 28,786 | 26,101 |
Office equipment | 12,943 | 11,607 |
Network and communication equipment | 9,577 | 8,951 |
Mining assets | 195,889 | 194,562 |
IT equipment | 30,456 | 29,629 |
Energy generating assets | 38,540 | 38,540 |
Construction in progress | 731,787 | 486,345 |
Machinery, plant and equipment | 3,464,881 | 3,304,061 |
Total | 5,556,401 | 5,075,732 | 4,750,602
Description of classes of property, plant and equipment [Abstract] |  |  |
Total | 3,464,881 | 3,304,061 |
Accumulated depreciation and amortisation [member] |  |  |
Property, plant and equipments [Abstract] |  |  |
Buildings | (496,533) | (465,423) |
Other property, plant and equipment | (206,736) | (198,820) |
Transport equipment | (10,894) | (10,150) |
Suppliers and accessories | (23,230) | (21,918) |
Office equipment | (11,557) | (11,148) |
Network and communication equipment | (8,218) | (7,679) |
Mining assets | (157,648) | (147,510) |
IT equipment | (26,886) | (25,546) |
Energy generating assets | (34,570) | (33,662) |
Machinery, plant and equipment | (2,567,904) | (2,416,557) |
Total | (3,544,176) | (3,338,413) | $ (3,180,696)
Description of classes of property, plant and equipment [Abstract] |  |  |
Total | $ (2,567,904) | $ (2,416,557) |

X
- Definition The amount of property, plant and equipment representing depreciable buildings and similar structures for use in operations. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 37 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_37&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of expenditure capitalised during the construction of non-current assets that are not yet available for use. [Refer: Non-current assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 37 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_37&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of property, plant and equipment representing land held by the entity for use in operations. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 37 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_37_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of property, plant and equipment representing long-lived, depreciable machinery used in operations. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 37 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_37_c&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of assets related to mining activities of the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 37 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_37&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of property, plant and equipment representing equipment used to support office functions, not specifically used in the production process. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 37 -Subparagraph h -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_37_h&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of property, plant and equipment that the entity does not separately disclose in the same statement or note. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 37 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_37&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 54 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of property, plant and equipment representing vehicles used in the entity's operations, specifically to include aircraft, motor vehicles and ships. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 37 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_37&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The value of conveyor belt as of balance sheet date. + References No definition available. + Details
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- Definition The value of crystallizer as of balance sheet date. + References No definition available. + Details
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- Definition The value of facilities or electrical equipment as of balance sheet date. + References No definition available. + Details
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- Definition The value of filter as of balance sheet date. + References No definition available. + Details
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- Definition The value of It equipment as of balance sheet date. + References No definition available. + Details
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- Definition The value of network and communication equipment as of balance sheet date. + References No definition available. + Details
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- Definition The value of other machinery, plant and equipment as of balance sheet date. + References No definition available. + Details
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- Definition The value of parts as of balance sheet date. + References No definition available. + Details
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- Definition The value of Piping as of balance sheet date. + References No definition available. + Details
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- Definition The value of plant equipment as of balance sheet date. + References No definition available. + Details
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- Definition The value of pond as of balance sheet date. + References No definition available. + Details
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- Definition The value of pumps as of balance sheet date. + References No definition available. + Details
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- Definition The amount ofsite closure expenses that an entity incurs in connection with the borrowing of funds that are directly attributable to the acquisition, construction or production of a qualifying asset and which form part of the cost of that asset. + References No definition available. + Details
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- Definition The value of supplies and accessories as of balance sheet date. + References No definition available. + Details
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- Definition The value of water tanks as of balance sheet date. + References No definition available. + Details
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- Definition The value of well as of balance sheet date. + References No definition available. + Details
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- Details
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