v3.26.1
Financial risk management (Details 3) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows $ 4,474,808 $ 3,966,630
Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 1,287,478 1,017,482
Later than one year and not later than three years [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 598,415 270,682
Later than three years and not later than five years [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 586,527 1,245,465
Later than five years [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 2,002,388 1,433,001
Loans And Financing [Member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 2,646,190 2,501,684
Loans And Financing [Member] | Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 153,014 148,077
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 478,025 150,023
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 433,708 1,175,144
Loans And Financing [Member] | Later than five years [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 1,581,443 1,028,440
Lease liabilities [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 141,988 86,057
Lease liabilities [member] | Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 54,233 29,882
Lease liabilities [member] | Later than one year and not later than three years [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 60,421 37,755
Lease liabilities [member] | Later than three years and not later than five years [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 9,980 6,121
Lease liabilities [member] | Later than five years [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 17,354 12,299
Derivatives [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 32,337 3,798
Derivatives [member] | Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 11,646 3,600
Derivatives [member] | Later than one year and not later than three years [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 91 181
Derivatives [member] | Later than three years and not later than five years [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 20,600 17
Trade Payables [Member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 500,025 443,288
Trade Payables [Member] | Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 500,025 443,288
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 415,388 268,175
Confirming Payable [Member] | Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 415,388 268,175
Salaries And Payroll Charges [Member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 83,597 70,234
Salaries And Payroll Charges [Member] | Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 83,597 70,234
Dividends Payable [Member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 26,918 3,707
Dividends Payable [Member] | Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 26,918 3,707
Total for all related parties [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 4,695 4,085
Total for all related parties [member] | Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 1,125
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 4,695 2,960
Provision for decommissioning, restoration and rehabilitation costs [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 585,306 549,154
Provision for decommissioning, restoration and rehabilitation costs [member] | Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 39,326 47,937
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 51,641 76,583
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 118,247 60,598
Provision for decommissioning, restoration and rehabilitation costs [member] | Later than five years [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 376,092 364,036
Service Concession Arrangements [Member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 38,364 36,448
Service Concession Arrangements [Member] | Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows 3,331 1,457
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 3,542 3,180
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 3,992 3,585
Service Concession Arrangements [Member] | Later than five years [member]    
IfrsStatementLineItems [Line Items]    
Non-derivative financial liabilities, undiscounted cash flows $ 27,499 $ 28,226