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Income tax and deferred taxes - Reconciliation of Changes in Deferred Tax Liabilities (Assets) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Disclosure Of Income Tax And Deferred Taxes [Line Items] |  |
Deferred tax liability (asset) at beginning of period | $ 314,646 | $ (110,416)
Deferred tax expense (income) recognised in profit or loss | (346,391) | 430,978
Deferred tax relating to items credited (charged) directly to equity | (60,707) | (5,916)
Total change in deferred taxes | (407,098) | 425,062
Deferred tax liability (asset) at end of period | (92,452) | 314,646
Unrealized loss |  |
Disclosure Of Income Tax And Deferred Taxes [Line Items] |  |
Deferred tax liability (asset) at beginning of period | 655,695 | 144,181
Deferred tax expense (income) recognised in profit or loss | (334,355) | 511,514
Deferred tax relating to items credited (charged) directly to equity | 0 | 0
Total change in deferred taxes | (334,355) | 511,514
Deferred tax liability (asset) at end of period | 321,340 | 655,695
Property, plant and equipment and capitalized interest |  |
Disclosure Of Income Tax And Deferred Taxes [Line Items] |  |
Deferred tax liability (asset) at beginning of period | (244,560) | (189,073)
Deferred tax expense (income) recognised in profit or loss | 4,504 | (55,487)
Deferred tax relating to items credited (charged) directly to equity | 0 | 0
Total change in deferred taxes | 4,504 | (55,487)
Deferred tax liability (asset) at end of period | (240,056) | (244,560)
Restoration and rehabilitation provision |  |
Disclosure Of Income Tax And Deferred Taxes [Line Items] |  |
Deferred tax liability (asset) at beginning of period | 4,685 |
Deferred tax expense (income) recognised in profit or loss | 1,651 |
Deferred tax relating to items credited (charged) directly to equity | 0 |
Total change in deferred taxes | 1,651 |
Deferred tax liability (asset) at end of period | 6,336 | 4,685
Restoration and rehabilitation provision |  |
Disclosure Of Income Tax And Deferred Taxes [Line Items] |  |
Deferred tax liability (asset) at beginning of period | 4,685 | 6,567
Deferred tax expense (income) recognised in profit or loss |  | (1,882)
Deferred tax relating to items credited (charged) directly to equity |  | 0
Total change in deferred taxes |  | (1,882)
Deferred tax liability (asset) at end of period |  | 4,685
Manufacturing expenses |  |
Disclosure Of Income Tax And Deferred Taxes [Line Items] |  |
Deferred tax liability (asset) at beginning of period | (139,383) | (108,181)
Deferred tax expense (income) recognised in profit or loss | (20,496) | (31,202)
Deferred tax relating to items credited (charged) directly to equity | 0 | 0
Total change in deferred taxes | (20,496) | (31,202)
Deferred tax liability (asset) at end of period | (159,879) | (139,383)
Employee benefits and unemployment insurance |  |
Disclosure Of Income Tax And Deferred Taxes [Line Items] |  |
Deferred tax liability (asset) at beginning of period | (8,995) | (7,486)
Deferred tax expense (income) recognised in profit or loss | (2,020) | (2,779)
Deferred tax relating to items credited (charged) directly to equity | 1,577 | 1,270
Total change in deferred taxes | (443) | (1,509)
Deferred tax liability (asset) at end of period | (9,438) | (8,995)
Vacation accrual |  |
Disclosure Of Income Tax And Deferred Taxes [Line Items] |  |
Deferred tax liability (asset) at beginning of period | 7,650 | 6,039
Deferred tax expense (income) recognised in profit or loss | 1,723 | 1,611
Deferred tax relating to items credited (charged) directly to equity | 0 | 0
Total change in deferred taxes | 1,723 | 1,611
Deferred tax liability (asset) at end of period | 9,373 | 7,650
Inventory provision |  |
Disclosure Of Income Tax And Deferred Taxes [Line Items] |  |
Deferred tax liability (asset) at beginning of period | 27,512 | 20,557
Deferred tax expense (income) recognised in profit or loss | 7,206 | 6,955
Deferred tax relating to items credited (charged) directly to equity | 0 | 0
Total change in deferred taxes | 7,206 | 6,955
Deferred tax liability (asset) at end of period | 34,718 | 27,512
Materials provision |  |
Disclosure Of Income Tax And Deferred Taxes [Line Items] |  |
Deferred tax liability (asset) at beginning of period | 11,915 | 10,554
Deferred tax expense (income) recognised in profit or loss | 2,490 | 1,361
Deferred tax relating to items credited (charged) directly to equity | 0 | 0
Total change in deferred taxes | 2,490 | 1,361
Deferred tax liability (asset) at end of period | 14,405 | 11,915
Derivative financial instruments |  |
Disclosure Of Income Tax And Deferred Taxes [Line Items] |  |
Deferred tax liability (asset) at beginning of period | 0 | 0
Deferred tax expense (income) recognised in profit or loss | 5,047 | 7,172
Deferred tax relating to items credited (charged) directly to equity | (5,047) | (7,172)
Total change in deferred taxes | 0 | 0
Deferred tax liability (asset) at end of period | 0 | 0
Others employee benefits |  |
Disclosure Of Income Tax And Deferred Taxes [Line Items] |  |
Deferred tax liability (asset) at beginning of period | 1,177 | 929
Deferred tax expense (income) recognised in profit or loss | 5,384 | 248
Deferred tax relating to items credited (charged) directly to equity | 0 | 0
Total change in deferred taxes | 5,384 | 248
Deferred tax liability (asset) at end of period | 6,561 | 1,177
Research and development expenses |  |
Disclosure Of Income Tax And Deferred Taxes [Line Items] |  |
Deferred tax liability (asset) at beginning of period | (12,294) | (5,387)
Deferred tax expense (income) recognised in profit or loss | (3,752) | (6,907)
Deferred tax relating to items credited (charged) directly to equity | 0 | 0
Total change in deferred taxes | (3,752) | (6,907)
Deferred tax liability (asset) at end of period | (16,046) | (12,294)
Bad debt provision |  |
Disclosure Of Income Tax And Deferred Taxes [Line Items] |  |
Deferred tax liability (asset) at beginning of period | 715 | 2,708
Deferred tax expense (income) recognised in profit or loss | 2,345 | (1,993)
Deferred tax relating to items credited (charged) directly to equity | 0 | 0
Total change in deferred taxes | 2,345 | (1,993)
Deferred tax liability (asset) at end of period | 3,060 | 715
Provision for legal complaints and expenses |  |
Disclosure Of Income Tax And Deferred Taxes [Line Items] |  |
Deferred tax liability (asset) at beginning of period | 6,827 | 334
Deferred tax expense (income) recognised in profit or loss | (3,895) | 6,493
Deferred tax relating to items credited (charged) directly to equity | 0 | 0
Total change in deferred taxes | (3,895) | 6,493
Deferred tax liability (asset) at end of period | 2,932 | 6,827
Loan approval expenses |  |
Disclosure Of Income Tax And Deferred Taxes [Line Items] |  |
Deferred tax liability (asset) at beginning of period | (8,793) | (8,967)
Deferred tax expense (income) recognised in profit or loss | (3,942) | 174
Deferred tax relating to items credited (charged) directly to equity | 0 | 0
Total change in deferred taxes | (3,942) | 174
Deferred tax liability (asset) at end of period | (12,735) | (8,793)
Financial instruments recorded at market value |  |
Disclosure Of Income Tax And Deferred Taxes [Line Items] |  |
Deferred tax liability (asset) at beginning of period | 5,226 | 5,243
Deferred tax expense (income) recognised in profit or loss | 0 | 0
Deferred tax relating to items credited (charged) directly to equity | (57,242) | (17)
Total change in deferred taxes | (57,242) | (17)
Deferred tax liability (asset) at end of period | (52,016) | 5,226
Specific tax on mining activity |  |
Disclosure Of Income Tax And Deferred Taxes [Line Items] |  |
Deferred tax liability (asset) at beginning of period | (5,799) | (4,545)
Deferred tax expense (income) recognised in profit or loss | 2,491 | (1,257)
Deferred tax relating to items credited (charged) directly to equity | 5 | 3
Total change in deferred taxes | 2,496 | (1,254)
Deferred tax liability (asset) at end of period | (3,303) | (5,799)
Tax loss benefit |  |
Disclosure Of Income Tax And Deferred Taxes [Line Items] |  |
Deferred tax liability (asset) at beginning of period | 10,059 | 8,557
Deferred tax expense (income) recognised in profit or loss | 13,281 | 1,502
Deferred tax relating to items credited (charged) directly to equity | 0 | 0
Total change in deferred taxes | 13,281 | 1,502
Deferred tax liability (asset) at end of period | 23,340 | 10,059
Other |  |
Disclosure Of Income Tax And Deferred Taxes [Line Items] |  |
Deferred tax liability (asset) at beginning of period | 2,913 | (4,274)
Deferred tax expense (income) recognised in profit or loss | (24,032) | 7,187
Deferred tax relating to items credited (charged) directly to equity | 0 | 0
Total change in deferred taxes | (24,032) | 7,187
Deferred tax liability (asset) at end of period | (21,119) | 2,913
Foreign items (other) |  |
Disclosure Of Income Tax And Deferred Taxes [Line Items] |  |
Deferred tax liability (asset) at beginning of period | 96 | 11,828
Deferred tax expense (income) recognised in profit or loss | (21) | (11,732)
Deferred tax relating to items credited (charged) directly to equity | 0 | 0
Total change in deferred taxes | (21) | (11,732)
Deferred tax liability (asset) at end of period | $ 75 | $ 96

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- Definition The amount of tax expense or income relating to changes in deferred tax liabilities and deferred tax assets, recognised in profit or loss. [Refer: Deferred tax assets; Deferred tax expense (income); Deferred tax liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2023-01-01 -Paragraph 81 -Subparagraph g -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_g_ii&doctype=Standard -URIDate 2023-03-23 + Details
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