v3.26.1
Financial risk management (Details 2) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
IfrsStatementLineItems [Line Items]    
Financial assets $ 792,132 $ 792,944
Cash And Cash Equivalents [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 515,871 620,537
Cash And Cash Equivalents [Member] | Credit Rating AAA [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 64,464 251,962
Cash And Cash Equivalents [Member] | Credit Rating A Aplus [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 1 1
Cash And Cash Equivalents [Member] | Credit Rating Aa [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 57,071 95,461
Cash And Cash Equivalents [Member] | Credit Rating Aa Minus [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 32,544 18,714
Cash And Cash Equivalents [Member] | Credit Rating Aplus [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 172,533 127,151
Cash And Cash Equivalents [Member] | Credit Rating A [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 331 33,014
Cash And Cash Equivalents [Member] | Credit Rating Aminus [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 29,923 61,935
Cash And Cash Equivalents [Member] | Credit Rating B B B Plus [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 58,527
Cash And Cash Equivalents [Member] | Credit Rating B B B [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 52,290
Cash And Cash Equivalents [Member] | Credit Rating No Rating [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 48,187 32,299
Financial Investments [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 5,687 19,693
Financial Investments [Member] | Credit Rating AAA [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 5,608 19,638
Financial Investments [Member] | Credit Rating No Rating [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 79 55
Derivatives [member]    
IfrsStatementLineItems [Line Items]    
Financial assets 36,767 5,282
Derivatives [member] | Credit Rating AAA [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 2,089 71
Derivatives [member] | Credit Rating Aa [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 4,421  
Derivatives [member] | Credit Rating Aplus [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 2,014 450
Derivatives [member] | Credit Rating A [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 842
Derivatives [member] | Credit Rating Aminus [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 28,243 3,919
Other assets [member]    
IfrsStatementLineItems [Line Items]    
Financial assets 1,080 883
Other assets [member] | Credit Rating AAA [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 1,080 883
Local [Member] | Cash And Cash Equivalents [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 112,651 272,127
Local [Member] | Cash And Cash Equivalents [Member] | Credit Rating AAA [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 64,464 251,962
Local [Member] | Cash And Cash Equivalents [Member] | Credit Rating A Aplus [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 1 1
Local [Member] | Cash And Cash Equivalents [Member] | Credit Rating Aa [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets
Local [Member] | Cash And Cash Equivalents [Member] | Credit Rating A [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets   8,265
Local [Member] | Cash And Cash Equivalents [Member] | Credit Rating No Rating [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 48,186 11,899
Local [Member] | Financial Investments [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 5,687 19,693
Local [Member] | Financial Investments [Member] | Credit Rating AAA [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 5,608 19,638
Local [Member] | Financial Investments [Member] | Credit Rating No Rating [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 79 55
Local [Member] | Derivatives [member]    
IfrsStatementLineItems [Line Items]    
Financial assets 2,089 71
Local [Member] | Derivatives [member] | Credit Rating AAA [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 2,089 71
Local [Member] | Derivatives [member] | Credit Rating Aa [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets  
Local [Member] | Other assets [member]    
IfrsStatementLineItems [Line Items]    
Financial assets 1,080 883
Local [Member] | Other assets [member] | Credit Rating AAA [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 1,080 883
Globall [Member] | Cash And Cash Equivalents [Member] | Credit Rating AAA [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets
Globall [Member] | Cash And Cash Equivalents [Member] | Credit Rating A Aplus [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets
Globall [Member] | Cash And Cash Equivalents [Member] | Credit Rating Aa [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 57,071 95,461
Global [Member] | Cash And Cash Equivalents [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 403,220 348,410
Global [Member] | Cash And Cash Equivalents [Member] | Credit Rating Aa Minus [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 32,544 18,714
Global [Member] | Cash And Cash Equivalents [Member] | Credit Rating Aplus [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 172,533 127,151
Global [Member] | Cash And Cash Equivalents [Member] | Credit Rating A [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 331 24,749
Global [Member] | Cash And Cash Equivalents [Member] | Credit Rating Aminus [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 29,923 61,935
Global [Member] | Cash And Cash Equivalents [Member] | Credit Rating B B B Plus [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 58,527
Global [Member] | Cash And Cash Equivalents [Member] | Credit Rating B B B [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 52,290
Global [Member] | Cash And Cash Equivalents [Member] | Credit Rating No Rating [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 1 20,400
Global [Member] | Derivatives [member]    
IfrsStatementLineItems [Line Items]    
Financial assets 34,678 5,211
Global [Member] | Derivatives [member] | Credit Rating Aa [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 4,421  
Global [Member] | Derivatives [member] | Credit Rating Aplus [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 2,014 450
Global [Member] | Derivatives [member] | Credit Rating A [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets   842
Global [Member] | Derivatives [member] | Credit Rating Aminus [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets 28,243 3,919
Global [Member] | Other assets [member]    
IfrsStatementLineItems [Line Items]    
Financial assets  
Global [Member] | Other assets [member] | Credit Rating AAA [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets