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Financial risk management (Details 3) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | $ 3,966,749 | $ 3,660,032
Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 1,017,482 | 1,066,049
Later than one year and not later than three years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 270,801 | 322,523
Later than three years and not later than five years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 1,245,465 | 1,707,815
Later than five years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 1,433,001 | 563,645
Loans And Financing [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 2,501,684 | 2,179,229
Loans And Financing [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 148,077 | 232,941
Loans And Financing [Member] | Later than one year and not later than three years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 150,023 | 181,147
Loans And Financing [Member] | Later than three years and not later than five years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 1,175,144 | 1,591,705
Loans And Financing [Member] | Later than five years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 1,028,440 | 173,436
Lease liabilities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 86,057 | 109,858
Lease liabilities [member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 29,882 | 29,227
Lease liabilities [member] | Later than one year and not later than three years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 37,755 | 49,480
Lease liabilities [member] | Later than three years and not later than five years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 6,121 | 16,845
Lease liabilities [member] | Later than five years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 12,299 | 14,306
Derivatives [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 3,798 | 10,493
Derivatives [member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 3,600 | 10,343
Derivatives [member] | Later than one year and not later than three years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 181 | 108
Derivatives [member] | Later than three years and not later than five years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 17 | 42
Trade Payables [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 443,288 | 451,603
Trade Payables [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 443,288 | 451,603
Trade Payables [Member] | Later than one year and not later than three years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows |  |
Confirming Payable [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 268,175 | 234,385
Confirming Payable [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 268,175 | 234,385
Salaries And Payroll Charges [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 70,235 | 68,165
Salaries And Payroll Charges [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 70,235 | 68,165
Dividends Payable [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 3,707 | 2,830
Dividends Payable [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 3,707 | 2,830
Total for all related parties [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 4,204 | 3,935
Total for all related parties [member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 1,125 | 1,062
Total for all related parties [member] | Later than one year and not later than three years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 3,079 | 2,873
Provision for decommissioning, restoration and rehabilitation costs [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 549,154 | 572,901
Provision for decommissioning, restoration and rehabilitation costs [member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 47,937 | 33,591
Provision for decommissioning, restoration and rehabilitation costs [member] | Later than one year and not later than three years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 76,583 | 85,675
Provision for decommissioning, restoration and rehabilitation costs [member] | Later than three years and not later than five years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 60,598 | 95,302
Provision for decommissioning, restoration and rehabilitation costs [member] | Later than five years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 364,036 | 358,333
Service Concession Arrangements [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 36,448 | 26,633
Service Concession Arrangements [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 1,457 | 1,902
Service Concession Arrangements [Member] | Later than one year and not later than three years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 3,180 | 3,240
Service Concession Arrangements [Member] | Later than three years and not later than five years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | 3,585 | 3,921
Service Concession Arrangements [Member] | Later than five years [member] |  |
IfrsStatementLineItems [Line Items] |  |
Non-derivative financial liabilities, undiscounted cash flows | $ 28,226 | $ 17,570

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