v3.26.3
Interest-bearing loans and borrowings - Disclosure of terms and conditions of outstanding loans (Details)
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Feb. 04, 2025
twenty-footEquivalent
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 5,452,661,000 $ 5,549,789,000  
Unsecured Revolving loan 150.0M      
Disclosure of detailed information about borrowings [line items]      
Notional Value 150,000,000.0    
Facility size 170,910,000 176,250,000  
Borrowings 110,000,000 0  
Unsecured Revolving loan 150.0M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 108,641,000 (1,651,000)  
Unsecured Revolving loan 150.0M | SOFR + CAS      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.80%    
Secured FSO loan 161.1M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 161,100,000    
Facility size 110,619,000 123,593,000  
Borrowings 110,619,000 123,593,000  
Secured FSO loan 161.1M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 109,937,000 122,736,000  
Secured FSO loan 161.1M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 2.05%    
Secured vessels loan Refi - Revolving loan 950M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 950,000,000    
Facility size 950,000,000 950,000,000  
Borrowings 436,000,000 735,000,000  
Secured vessels loan Refi - Revolving loan 950M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 429,498,000 730,703,000  
Secured vessels loan Refi - Revolving loan 950M | SOFR | Minimum      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.70%    
Secured vessels loan Refi - Revolving loan 950M | SOFR | Maximum      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 2.30%    
Secured vessels loan 129.75M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 129,750,000    
Facility size 129,750,000 25,950,000  
Borrowings 129,750,000 25,950,000  
Secured vessels loan 129.75M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 129,981,000 25,481,000  
Secured vessels loan 129.75M | SOFR | Minimum      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.28%    
Secured vessels loan 129.75M | SOFR | Maximum      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.73%    
Secured vessels revolving loan 182.5M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 182,500,000    
Facility size 16,963,000 46,049,000  
Borrowings 16,963,000 45,049,000  
Secured vessels revolving loan 182.5M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 16,255,000 44,109,000  
Secured vessels revolving loan 182.5M | SOFR | Minimum      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 2.20%    
Secured vessels revolving loan 182.5M | SOFR | Maximum      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 2.80%    
Credit Line Belfius Windcat EUR 1.25M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 1,250,000    
Facility size 0 1,469,000  
Borrowings 0 1,469,000  
Credit Line Belfius Windcat EUR 1.25M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 0 1,470,000  
Credit Line Belfius Windcat EUR 1.25M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.83%    
Credit Line KBC Windcat EUR 1.25M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 1,250,000    
Facility size 0 1,469,000  
Borrowings 0 1,469,000  
Credit Line KBC Windcat EUR 1.25M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 0 1,470,000  
Credit Line KBC Windcat EUR 1.25M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 2.40%    
Loan BNPPF EUR 151.2M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 151,200,000    
Facility size 132,710,000 121,750,000  
Borrowings 132,710,000 121,750,000  
Loan BNPPF EUR 151.2M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 128,494,000 119,813,000  
Loan BNPPF EUR 151.2M | Euribor      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.00%    
Loan CEXIM I 152M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 152,000,000    
Facility size 64,886,000 67,425,000  
Borrowings 64,886,000 67,425,000  
Loan CEXIM I 152M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 62,868,000 65,354,000  
Loan CEXIM I 152M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 2.06%    
Loan CEXIM II 280M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 280,000,000    
Facility size 169,175,000 175,855,000  
Borrowings 169,175,000 175,855,000  
Loan CEXIM II 280M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 163,644,000 170,166,000  
Loan CEXIM II 280M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 2.06%    
Loan CEXIM III 224M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 224,000,000    
Facility size 158,293,000 162,773,000  
Borrowings 158,293,000 162,773,000  
Loan CEXIM III 224M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 153,494,000 157,768,000  
Loan CEXIM III 224M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 2.06%    
Loan KBC/Belfius Windcat EUR 78M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 78,000,000    
Facility size 0 46,998,000  
Borrowings 0 46,998,000  
Loan KBC/Belfius Windcat EUR 78M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 0 46,838,000  
Loan KBC/Belfius Windcat EUR 78M | Euribor      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 3.25%    
Loan SocGen EUR 154.7M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 154,700,000    
Facility size 106,676,000 91,364,000  
Borrowings 106,676,000 91,364,000  
Loan SocGen EUR 154.7M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 104,741,000 89,122,000  
SocGen EUR 154.7M - portion maturing 2037 | Euribor      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.00%    
SocGen EUR 154.7M - portion maturing 2039 | Euribor      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 0.90%    
Loan SocGen EUR8.8M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 8,800,000    
Facility size 7,520,000 8,272,000  
Borrowings 7,520,000 8,272,000  
Loan SocGen EUR8.8M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 7,543,000 8,297,000  
Loan SocGen EUR8.8M | Euribor      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.10%    
Secured loan 41.8M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 41,800,000    
Facility size 39,804,000 41,109,000  
Borrowings 39,804,000 41,109,000  
Secured loan 41.8M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 39,173,000 40,420,000  
Secured loan 41.8M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 2.00%    
Secured vessels loan 392.7M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 392,700,000    
Facility size 334,040,000 168,861,000  
Borrowings 334,040,000 168,861,000  
Secured vessels loan 392.7M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 322,312,000 167,244,000  
Secured vessels loan 392.7M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.75%    
1.4B Bridge Facility      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 1,400,000    
Facility size 0 122,522,000  
Borrowings 0 122,522,000  
1.4B Bridge Facility | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 0 122,598,000  
1.4B Bridge Facility | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 3.04%    
Secured vessels loan 2B Facility      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 2,000,000    
Facility size 1,095,344,000 1,194,659,000  
Borrowings 1,095,344,000 1,194,659,000  
Secured vessels loan 2B Facility | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 1,080,204,000 1,182,981,000  
Secured vessels loan 2B Facility | SOFR | Minimum      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.50%    
Secured vessels loan 2B Facility | SOFR | Maximum      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 2.00%    
Loan 1,400 TEU 26.3M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 26,300,000    
Facility size 4,050,000 2,025,000  
Borrowings 4,050,000 2,025,000  
Property plant and equipment, boat carrying capacity | twenty-footEquivalent     1,400
Loan 1,400 TEU 26.3M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 4,096,000 2,043,000  
Loan 1,400 TEU 26.3M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 3.75%    
Loan 1,400 TEU 26.3M | Euribor      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 3.55%    
Secured loan 57.5M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 57,500,000    
Facility size 57,529,000 20,084,000  
Borrowings 57,529,000 20,084,000  
Secured loan 57.5M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 57,134,000 20,109,000  
Secured loan 57.5M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.80%    
Secured Vessels Revolving Loan 105.1M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 105,100,000    
Facility size 63,100,000 74,100,000  
Borrowings 63,100,000 74,100,000  
Secured Vessels Revolving Loan 105.1M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 63,574,000 73,690,000  
Secured Vessels Revolving Loan 105.1M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.80%    
Secured Loan 61.2M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 61,200,000    
Facility size 59,033,000 0  
Borrowings 59,033,000 0  
Secured Loan 61.2M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 58,787,000 0  
Secured Loan 61.2M | Euribor      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 2.00%    
Secured Loan BNPPFF USD 68M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 68,000,000    
Facility size 23,800,000 0  
Borrowings 23,800,000 0  
Secured Loan BNPPFF USD 68M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 24,029,000 0  
Secured Loan BNPPFF USD 68M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.80%    
Total interest-bearing bank loans      
Disclosure of detailed information about borrowings [line items]      
Facility size $ 3,694,202,000 3,622,577,000  
Borrowings 3,119,292,000 3,230,327,000  
Total interest-bearing bank loans | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 3,064,405,000 $ 3,190,760,000