v3.26.3
Financial instruments - Disclosure of financial assets and liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Measured at fair value    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets $ 99,115 $ 90,488
Financial liabilities 410 20
Measured at fair value | Forward exchange contracts    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities 410  
Financial liabilities, at fair value 410  
Measured at fair value | Interest rate swaps    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities   20
Financial liabilities, at fair value   20
Measured at fair value | Hedging instruments    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities 410 20
Measured at fair value | Hedging instruments | Forward exchange contracts    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities 410  
Measured at fair value | Hedging instruments | Interest rate swaps    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities   20
Measured at fair value | Level 1 | Forward exchange contracts    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities, at fair value 0  
Measured at fair value | Level 1 | Interest rate swaps    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities, at fair value   0
Measured at fair value | Level 2 | Forward exchange contracts    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities, at fair value 410  
Measured at fair value | Level 2 | Interest rate swaps    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities, at fair value   20
Measured at fair value | Level 3 | Forward exchange contracts    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities, at fair value 0  
Measured at fair value | Level 3 | Interest rate swaps    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities, at fair value   0
Measured at fair value | Forward exchange contracts    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets   482
Financial assets, at fair value   482
Measured at fair value | Forward exchange contracts | Level 1    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets, at fair value   0
Measured at fair value | Forward exchange contracts | Level 2    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets, at fair value   482
Measured at fair value | Forward exchange contracts | Level 3    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets, at fair value   0
Measured at fair value | Interest rate swaps    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets 1,044 110
Financial assets, at fair value 1,044 110
Measured at fair value | Interest rate swaps | Level 1    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets, at fair value 0 0
Measured at fair value | Interest rate swaps | Level 2    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets, at fair value 1,044 110
Measured at fair value | Interest rate swaps | Level 3    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets, at fair value 0 0
Measured at fair value | Bunker derivatives    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets   96
Financial assets, at fair value   96
Measured at fair value | Bunker derivatives | Level 1    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets, at fair value   0
Measured at fair value | Bunker derivatives | Level 2    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets, at fair value   96
Measured at fair value | Bunker derivatives | Level 3    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets, at fair value   0
Measured at fair value | Investments    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets 89,800 89,800
Financial assets, at fair value 89,800 89,800
Measured at fair value | Investments | Level 1    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets, at fair value 0 0
Measured at fair value | Investments | Level 2    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets, at fair value 0 0
Measured at fair value | Investments | Level 3    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets, at fair value 89,800 89,800
Measured at fair value | Short-term investments    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets 8,271  
Financial assets, at fair value 8,271  
Measured at fair value | Short-term investments | Level 1    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets, at fair value 8,271  
Measured at fair value | Short-term investments | Level 2    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets, at fair value 0  
Measured at fair value | Short-term investments | Level 3    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets, at fair value 0  
Measured at fair value | Hedging instruments    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets 99,115 90,488
Measured at fair value | Hedging instruments | Forward exchange contracts    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets   482
Measured at fair value | Hedging instruments | Interest rate swaps    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets 1,044 110
Measured at fair value | Hedging instruments | Bunker derivatives    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets   96
Measured at fair value | Hedging instruments | Investments    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets 89,800 89,800
Measured at fair value | Hedging instruments | Short-term investments    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets 8,271  
Not measured at fair value    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets 601,424 493,957
Financial liabilities 5,625,293 5,693,422
Not measured at fair value | Secured bank loans    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities 2,955,764 3,187,820
Financial liabilities, at fair value 2,955,764 3,277,577
Not measured at fair value | Unsecured bank loans    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities 108,641 2,940
Financial liabilities, at fair value 108,641 2,940
Not measured at fair value | Unsecured other notes    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities 203,619 203,287
Financial liabilities, at fair value 204,081 204,195
Not measured at fair value | Other borrowings    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities 2,179,036 2,150,673
Financial liabilities, at fair value 2,179,036 2,175,537
Not measured at fair value | Lease liabilities    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities 5,601 5,049
Financial liabilities, at fair value 0 5,121
Not measured at fair value | Trade and other payables    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities 172,632 143,653
Financial liabilities, at fair value 0 0
Not measured at fair value | Other financial liabilities    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities 5,625,293 5,693,422
Not measured at fair value | Other financial liabilities | Secured bank loans    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities 2,955,764 3,187,820
Not measured at fair value | Other financial liabilities | Unsecured bank loans    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities 108,641 2,940
Not measured at fair value | Other financial liabilities | Unsecured other notes    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities 203,619 203,287
Not measured at fair value | Other financial liabilities | Other borrowings    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities 2,179,036 2,150,673
Not measured at fair value | Other financial liabilities | Lease liabilities    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities 5,601 5,049
Not measured at fair value | Other financial liabilities | Trade and other payables    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities 172,632 143,653
Not measured at fair value | Level 1 | Secured bank loans    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities, at fair value 0 0
Not measured at fair value | Level 1 | Unsecured bank loans    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities, at fair value 0 0
Not measured at fair value | Level 1 | Unsecured other notes    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities, at fair value 204,081 204,195
Not measured at fair value | Level 1 | Other borrowings    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities, at fair value 0 0
Not measured at fair value | Level 1 | Lease liabilities    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities, at fair value 0 0
Not measured at fair value | Level 1 | Trade and other payables    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities, at fair value 0 0
Not measured at fair value | Level 2 | Secured bank loans    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities, at fair value 2,955,764 3,277,577
Not measured at fair value | Level 2 | Unsecured bank loans    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities, at fair value 108,641 2,940
Not measured at fair value | Level 2 | Unsecured other notes    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities, at fair value 0 0
Not measured at fair value | Level 2 | Other borrowings    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities, at fair value 2,179,036 2,175,537
Not measured at fair value | Level 2 | Lease liabilities    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities, at fair value 0 5,121
Not measured at fair value | Level 2 | Trade and other payables    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities, at fair value 0 0
Not measured at fair value | Level 3 | Secured bank loans    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities, at fair value 0 0
Not measured at fair value | Level 3 | Unsecured bank loans    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities, at fair value 0 0
Not measured at fair value | Level 3 | Unsecured other notes    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities, at fair value 0 0
Not measured at fair value | Level 3 | Other borrowings    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities, at fair value 0 0
Not measured at fair value | Level 3 | Lease liabilities    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities, at fair value 0 0
Not measured at fair value | Level 3 | Trade and other payables    
Disclosure of financial assets and liabilities [Line Items]    
Financial liabilities, at fair value 0 0
Not measured at fair value | Non-current receivables    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets 97,461 97,116
Financial assets, at fair value 97,461 97,116
Not measured at fair value | Non-current receivables | Level 1    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets, at fair value 0 0
Not measured at fair value | Non-current receivables | Level 2    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets, at fair value 0 0
Not measured at fair value | Non-current receivables | Level 3    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets, at fair value 97,461 97,116
Not measured at fair value | Trade and other receivables    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets 352,389 250,312
Financial assets, at fair value 0 0
Not measured at fair value | Trade and other receivables | Level 1    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets, at fair value 0 0
Not measured at fair value | Trade and other receivables | Level 2    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets, at fair value 0 0
Not measured at fair value | Trade and other receivables | Level 3    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets, at fair value 0 0
Not measured at fair value | Cash and cash equivalents    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets 151,574 146,529
Financial assets, at fair value 0 0
Not measured at fair value | Cash and cash equivalents | Level 1    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets, at fair value 0 0
Not measured at fair value | Cash and cash equivalents | Level 2    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets, at fair value 0 0
Not measured at fair value | Cash and cash equivalents | Level 3    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets, at fair value 0 0
Not measured at fair value | Financial assets at amortized cost    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets 601,424 493,957
Not measured at fair value | Financial assets at amortized cost | Non-current receivables    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets 97,461 97,116
Not measured at fair value | Financial assets at amortized cost | Trade and other receivables    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets 352,389 250,312
Not measured at fair value | Financial assets at amortized cost | Cash and cash equivalents    
Disclosure of financial assets and liabilities [Line Items]    
Financial assets $ 151,574 $ 146,529