v3.26.3
Property, plant and equipment - Schedule of disposal of assets (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Disclosure of detailed information about property, plant and equipment [line items]        
Book Value $ 7,461,016 $ 7,461,016   $ 7,091,974
Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Book Value 6,875,419 6,875,419   6,323,773
Gross carrying amount        
Disclosure of detailed information about property, plant and equipment [line items]        
Book Value 8,974,908 8,974,908   8,544,306
Gross carrying amount | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Book Value 8,371,044 8,371,044   $ 7,757,790
Vessels | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Sale price   792,887 $ 262,980  
Gain   394,871 103,789  
Vessels | Gross carrying amount | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Book Value 398,017 398,017 159,190  
Daishan - Sale | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Sale price   47,000    
Gain   26,521    
Daishan - Sale | Gross carrying amount | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Book Value 20,479 20,479    
Dia - Sale | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Sale price   103,000    
Gain   54,601    
Dia - Sale | Gross carrying amount | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Book Value 48,399 48,399    
Hojo - Sale | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Sale price   85,000    
Gain   36,123    
Hojo - Sale | Gross carrying amount | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Book Value 48,877 48,877    
Hirado - Sale | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Sale price   75,000    
Gain   35,826    
Hirado - Sale | Gross carrying amount | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Book Value 39,174 39,174    
Antigone - Sale | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Sale price   103,000    
Gain   49,192    
Antigone - Sale | Gross carrying amount | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Book Value 53,808 53,808    
Aegean - Sale | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Sale price   107,000    
Gain   57,039    
Aegean - Sale | Gross carrying amount | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Book Value 49,961 49,961    
Belgravia - Sale | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Sale price   25,047    
Gain   3,604    
Belgravia - Sale | Gross carrying amount | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Book Value 21,443 21,443    
Golden Magnum - Sale | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Sale price   28,026    
Gain   4,449    
Golden Magnum - Sale | Gross carrying amount | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Book Value 23,577 23,577    
Ingrid - Sale | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Sale price   88,800    
Gain   49,554    
Ingrid - Sale | Gross carrying amount | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Book Value 39,246 39,246    
Ilma - Sale | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Sale price   88,800    
Gain   48,610    
Ilma - Sale | Gross carrying amount | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Book Value 40,190 40,190    
Sienna - Sale | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Sale price   41,882    
Gain 29,200 29,195    
Sienna - Sale | Gross carrying amount | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Book Value 12,687 12,687    
Windcat 4 - Sale and leaseback | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Sale price   331    
Gain   155    
Windcat 4 - Sale and leaseback | Gross carrying amount | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Book Value 176 176    
Alsace - Sale | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Sale price     96,850  
Gain     27,462  
Alsace - Sale | Gross carrying amount | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Book Value     69,388  
Cap Lara - Sale | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Sale price     33,213  
Gain     18,776  
Cap Lara - Sale | Gross carrying amount | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Book Value     14,437  
Windcat 6 - Sale | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Sale price     268  
Gain     220  
Windcat 6 - Sale | Gross carrying amount | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Book Value     48  
Iris - Sale | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Sale price     99,990  
Gain     57,133  
Iris - Sale | Gross carrying amount | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Book Value     42,857  
Golden Ioanari - Sale | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Sale price     15,811  
Gain     0  
Golden Ioanari - Sale | Gross carrying amount | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Book Value     15,811  
Golden Keen - Sale | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Sale price     16,848  
Gain     199  
Golden Keen - Sale | Gross carrying amount | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Book Value     $ 16,649  
Sale IT equipment | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Sale price   2    
Gain   2    
Sale IT equipment | Gross carrying amount | Vessels | Property, plant and equipment        
Disclosure of detailed information about property, plant and equipment [line items]        
Book Value $ 0 $ 0