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Basis of preparation of the consolidated financial statements (Details 6) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
IfrsStatementLineItems [Line Items] |  |  |
Cost of sales | $ (2,228,410) | $ (2,274,357) | $ (2,393,936)
Gross profit | 538,071 | 298,876 | 640,054
Operating income (loss) | 276,386 | (152,562) | 360,897
Adjusted EBITDA | 714,080 | 406,041 | 763,205
(Loss) Income before income tax | $ (71,851) | (296,084) | 227,971
Previously stated [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Gross profit |  | 296,476 | 638,810
Operating income (loss) |  | (155,365) | 359,219
(Loss) Income before income tax |  | (293,470) | 227,377
Cost of sales |  | (2,276,757) | (2,395,180)
Previously stated [member] | Mining Segment [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Cost of sales |  | (1,028,281) |
Gross profit |  | 61,995 | 342,786
Selling, general and administrative |  | (61,903) | (64,444)
Mineral exploration and project evaluation |  | (90,297) | (88,947)
Operating income (loss) |  | (267,428) | 124,332
Depreciation and amortization |  | 219,957 | 204,514
Adjusted EBITDA |  | 149,058 | 439,839
Cost of sales |  |  | (905,241)
Previously stated [member] | Smelting Segment [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Cost of sales |  | (1,726,568) |
Gross profit |  | 220,093 | 276,064
Selling, general and administrative |  | (61,233) | (60,435)
Mineral exploration and project evaluation |  | (9,369) | (9,915)
Operating income (loss) |  | 117,783 | 248,527
Depreciation and amortization |  | 77,585 | 78,727
Adjusted EBITDA |  | 246,967 | 326,429
Cost of sales |  |  | (2,190,903)
Previously stated [member] | Operating Segment [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Cost of sales |  | (2,276,757) |
Gross profit |  | 296,476 | 638,810
Selling, general and administrative |  | (126,948) | (145,543)
Mineral exploration and project evaluation |  | (99,666) | (98,862)
Operating income (loss) |  | (155,365) | 359,219
Depreciation and amortization |  | 298,393 | 290,937
Adjusted EBITDA |  | 391,156 | 760,324
Depreciation and amortization |  | (298,393) | (290,937)
Net financial results |  | (161,641) | (133,727)
(Loss) Income before income tax |  | (293,470) | 227,377
Cost of sales |  |  | (2,395,180)
Adjustments [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Gross profit |  | 2,400 | 1,244
Operating income (loss) |  | 2,803 | 1,678
(Loss) Income before income tax |  | (2,614) | 594
Cost of sales |  | 2,400 | 1,244
Adjustments [Member] | Mining Segment [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Cost of sales |  | 2,103 |
Gross profit |  | 2,103 | 871
Selling, general and administrative |  | 213 | 225
Mineral exploration and project evaluation |  | 59 | 80
Operating income (loss) |  | 2,375 | 1,176
Depreciation and amortization |  | 9,196 | 2,026
Adjusted EBITDA |  | 11,571 | 3,202
Cost of sales |  |  | 871
Adjustments [Member] | Smelting Segment [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Cost of sales |  | 297 |
Gross profit |  | 297 | 373
Selling, general and administrative |  | 136 | 148
Mineral exploration and project evaluation |  | (5) | (19)
Operating income (loss) |  | 428 | 502
Depreciation and amortization |  | 2,886 | (823)
Adjusted EBITDA |  | 3,314 | (321)
Cost of sales |  |  | 373
Adjustments [Member] | Operating Segment [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Cost of sales |  | 2,400 |
Gross profit |  | 2,400 | 1,244
Selling, general and administrative |  | 349 | 373
Mineral exploration and project evaluation |  | 54 | 61
Operating income (loss) |  | 2,803 | 1,678
Depreciation and amortization |  | 12,082 | 1,203
Adjusted EBITDA |  | 14,885 | 2,881
Depreciation and amortization |  | (12,082) | (1,203)
Net financial results |  | (5,417) | (1,084)
(Loss) Income before income tax |  | (2,614) | 594
Cost of sales |  |  | 1,244
Revised [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Gross profit |  | 298,876 | 640,054
Operating income (loss) |  | (152,562) | 360,897
(Loss) Income before income tax |  | (296,084) | 227,971
Cost of sales |  | (2,274,357) | (2,393,936)
Revised [Member] | Mining Segment [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Cost of sales |  | (1,026,178) |
Gross profit |  | 64,098 | 343,657
Selling, general and administrative |  | (61,690) | (64,219)
Mineral exploration and project evaluation |  | (90,238) | (88,867)
Operating income (loss) |  | (265,053) | 125,508
Depreciation and amortization |  | 229,153 | 206,540
Adjusted EBITDA |  | 160,629 | 443,041
Cost of sales |  |  | (904,370)
Revised [Member] | Smelting Segment [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Cost of sales |  | (1,726,271) |
Gross profit |  | 220,390 | 276,437
Selling, general and administrative |  | (61,097) | (60,287)
Mineral exploration and project evaluation |  | (9,374) | (9,934)
Operating income (loss) |  | 118,211 | 249,029
Depreciation and amortization |  | 80,471 | 77,904
Adjusted EBITDA |  | 250,281 | 326,108
Cost of sales |  |  | (2,190,903)
Revised [Member] | Operating Segment [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Cost of sales |  | (2,274,357) |
Gross profit |  | 298,876 | 640,054
Selling, general and administrative |  | (126,599) | (145,170)
Mineral exploration and project evaluation |  | (99,612) | (98,801)
Operating income (loss) |  | (152,562) | 360,897
Depreciation and amortization |  | 310,475 | 292,140
Adjusted EBITDA |  | 406,041 | 763,205
Depreciation and amortization |  | (310,475) | (292,140)
Net financial results |  | (167,058) | (134,811)
(Loss) Income before income tax |  | $ (296,084) | 227,971
Cost of sales |  |  | $ (2,393,936)

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- Definition The amount of all expenses directly or indirectly attributed to the goods or services sold. Attributed expenses include, but are not limited to, costs previously included in the measurement of inventory that has now been sold, such as depreciation and maintenance of factory buildings and equipment used in the production process, unallocated production overheads, and abnormal amounts of production costs of inventories. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 99 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_99&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 103 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_103&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of expense arising from the search for mineral resources, including minerals, oil, natural gas and similar non-regenerative resources after the entity has obtained legal rights to explore in a specific area, as well as the determination of the technical feasibility and commercial viability of extracting the mineral resource. + References No definition available. + Details
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