v3.26.1
Fair value measurements (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
IfrsStatementLineItems [Line Items]    
Carrying amount of derivative financial assets $ 189 $ 702
Net fair value (738,136) (845,754)
Net carrying amount (702,622) (799,410)
Net fair value (738,136) (845,754)
Level 1 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Net fair value
Level 2 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Net fair value (738,136) (845,754)
Level 3 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Net fair value
Derivatives [member]    
IfrsStatementLineItems [Line Items]    
Carrying amount of derivative financial assets 189 702
Net fair value 189 702
Financial Debt [Member]    
IfrsStatementLineItems [Line Items]    
Carrying amount of financial liabilities (702,811) (800,112)
Fair value of financial liabilities (738,325) (846,456)
Jet Fuel Asian Call Options [Member]    
IfrsStatementLineItems [Line Items]    
Carrying amount of derivative financial assets 185 431
Net fair value 185 431
Jet Fuel Asian Call Options [Member] | Level 1 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Net fair value
Jet Fuel Asian Call Options [Member] | Level 2 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Net fair value 185 431
Jet Fuel Asian Call Options [Member] | Level 3 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Net fair value
Interests Rate Cap [Member]    
IfrsStatementLineItems [Line Items]    
Net fair value 4 271
Interests Rate Cap [Member] | Level 1 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Net fair value
Interests Rate Cap [Member] | Level 2 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Net fair value 4 271
Interests Rate Cap [Member] | Level 3 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Net fair value
Interest Bearing Loans And Borrowings [Member]    
IfrsStatementLineItems [Line Items]    
Net fair value (738,325) (846,456)
Interest Bearing Loans And Borrowings [Member] | Level 1 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Net fair value
Interest Bearing Loans And Borrowings [Member] | Level 2 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Net fair value (738,325) (846,456)
Interest Bearing Loans And Borrowings [Member] | Level 3 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Net fair value