v3.25.2
Interest-bearing loans and borrowings - Disclosure of terms and conditions of outstanding loans (Details)
Jun. 30, 2025
USD ($)
Feb. 04, 2025
USD ($)
twenty-footEquivalent
Dec. 31, 2024
USD ($)
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 5,641,722,000   $ 2,622,255,000
Ammonia Carrier AS      
Disclosure of detailed information about borrowings [line items]      
Notional Value   $ 26,300,000  
Property plant and equipment, boat carrying capacity | twenty-footEquivalent   1,400  
Unsecured Revolving loan 80.0M      
Disclosure of detailed information about borrowings [line items]      
Notional Value 80,000,000.0    
Facility size 93,542,000   83,112,000
Borrowings 80,000,000   27,500,000
Unsecured Revolving loan 80.0M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 80,081,000   27,505,000
Unsecured Revolving loan 80.0M | SOFR + CAS      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.45%    
Secured FSO loan 161.1M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 161,100,000    
Facility size 136,294,000   148,727,000
Borrowings 136,294,000   148,727,000
Secured FSO loan 161.1M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 135,243,000   147,464,000
Secured FSO loan 161.1M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 2.15%    
Secured vessels loan Refi - Revolving loan 1,341M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 1,341,000,000    
Facility size 867,818,000   995,207,000
Borrowings 700,000,000   750,000,000
Secured vessels loan Refi - Revolving loan 1,341M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 694,136,000   743,637,000
Secured vessels loan Refi - Revolving loan 1,341M | SOFR | Minimum      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 2.30%    
Secured vessels loan Refi - Revolving loan 1,341M | SOFR | Maximum      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 2.90%    
Secured vessels loan 129750000M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 129,750,000    
Facility size 25,950,000   25,950,000
Borrowings 25,950,000   25,950,000
Secured vessels loan 129750000M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 26,094,000   26,102,000
Secured vessels loan 129750000M | SOFR | Minimum      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.28%    
Secured vessels loan 129750000M | 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 130,999,000   169,500,000
Borrowings 128,999,000   167,250,000
Secured vessels revolving loan 182.5M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 127,785,000   165,691,000
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 1250000M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 1,250,000    
Facility size 1,465,000   1,299,000
Borrowings 1,465,000   1,299,000
Credit Line Belfius Windcat EUR 1250000M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 1,465,000   1,299,000
Credit Line Belfius Windcat EUR 1250000M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.83%    
Credit Line KBC Windcat EUR 1250000M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 1,250,000    
Facility size 1,465,000   1,299,000
Borrowings 1,465,000   1,299,000
Credit Line KBC Windcat EUR 1250000M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 1,465,000   1,299,000
Credit Line KBC Windcat EUR 1250000M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 2.40%    
Loan BNPPF EUR 151200000M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 151,200,000    
Facility size 117,361,000   86,925,000
Borrowings 104,700,000   86,925,000
Loan BNPPF EUR 151200000M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 105,199,000   87,510,000
Loan BNPPF EUR 151200000M | Euribor      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.00%    
Loan CEXIM I 152000000M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 152,000,000    
Facility size 151,993,000   72,504,000
Borrowings 69,965,000   72,504,000
Loan CEXIM I 152000000M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 67,802,000   70,309,000
Loan CEXIM I 152000000M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 2.06%    
Loan CEXIM II 280000000M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 280,000,000    
Facility size 279,910,000   189,216,000
Borrowings 182,535,000   189,216,000
Loan CEXIM II 280000000M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 175,217,000   183,163,000
Loan CEXIM II 280000000M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 2.06%    
Loan CEXIM III 224000000M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 224,000,000    
Facility size 224,000,000   115,733,000
Borrowings 130,667,000   115,733,000
Loan CEXIM III 224000000M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 128,834,000   112,330,000
Loan CEXIM III 224000000M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 2.06%    
Loan KBC/Belfius Windcat EUR 78000000M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 78,000,000    
Facility size 91,396,000   49,426,000
Borrowings 51,080,000   43,921,000
Loan KBC/Belfius Windcat EUR 78000000M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 51,132,000   43,623,000
Loan KBC/Belfius Windcat EUR 78000000M | Euribor      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 3.25%    
Loan SocGen EUR 154700000M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 154,700,000    
Facility size 58,733,000   34,276,000
Borrowings 38,667,000   34,276,000
Loan SocGen EUR 154700000M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 38,994,000   34,634,000
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 EUR 8800000M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 8,800,000    
Facility size 10,314,000   8,228,000
Borrowings 8,767,000   8,228,000
Loan SocGen EUR 8800000M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 8,499,000   8,240,000
Loan SocGen EUR 8800000M | Euribor      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.10%    
Secured vessels loan 392700000M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 392,700,000    
Facility size 94,248,000   0
Borrowings 94,248,000   0
Secured vessels loan 392700000M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 95,224,000   0
Secured vessels loan 392700000M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.75%    
1400000B Bridge Facility      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 1,400,000    
Facility size 1,265,021,000   0
Borrowings 1,265,021,000   0
1400000B Bridge Facility | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 1,256,465,000   0
1400000B Bridge Facility | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 3.04%    
Secured vessels loan 2000000B Facility      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 2,000,000    
Facility size 500,000,000   0
Borrowings 141,896,000   0
Secured vessels loan 2000000B Facility | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 139,800,000   0
Secured vessels loan 2000000B Facility | SOFR | Minimum      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 2.10%    
Secured vessels loan 2000000B Facility | SOFR | Maximum      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 2.75%    
Loan 1,400 TEU 26300000M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 26,300,000    
Facility size 26,325,000   0
Borrowings 2,025,000   0
Loan 1,400 TEU 26300000M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 2,025,000   0
Loan 1,400 TEU 26300000M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 3.75%    
Loan 1,400 TEU 26300000M | Euribor      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 3.55%    
Loan DNB 275000000M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 275,000,000    
Facility size 208,659,000   0
Borrowings 208,659,000   0
Loan DNB 275000000M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 208,455,000   0
Loan DNB 275000000M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.90%    
Loan Danske Bank 250000000M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 250,000,000    
Facility size 147,321,000   0
Borrowings 147,321,000   0
Loan Danske Bank 250000000M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 147,312,000   0
Loan Danske Bank 250000000M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.80%    
Loan Credit Suisse 80000000M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 80,000,000    
Facility size 72,000,000   0
Borrowings 72,000,000   0
Loan Credit Suisse 80000000M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 72,197,000   0
Loan Credit Suisse 80000000M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.80%    
Loan KfW 40000000M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 40,000,000    
Facility size 36,500,000   0
Borrowings 36,500,000   0
Loan KfW 40000000M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 36,598,000   0
Loan KfW 40000000M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.75%    
Loan ING 360000000M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 360,000,000    
Facility size 268,360,000   0
Borrowings 268,360,000   0
Loan ING 360000000M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 268,398,000   0
Loan ING 360000000M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.75%    
Loan DNB 150000000M      
Disclosure of detailed information about borrowings [line items]      
Notional Value $ 150,000,000    
Facility size 145,064,000   0
Borrowings 145,064,000   0
Loan DNB 150000000M | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 144,544,000   0
Loan DNB 150000000M | SOFR      
Disclosure of detailed information about borrowings [line items]      
Borrowings, adjustment to interest rate basis 1.65%    
Total interest-bearing bank loans      
Disclosure of detailed information about borrowings [line items]      
Facility size $ 4,954,739,000   1,981,402,000
Borrowings 4,041,648,000   1,672,828,000
Total interest-bearing bank loans | Gross carrying amount      
Disclosure of detailed information about borrowings [line items]      
Borrowings $ 4,012,964,000   $ 1,652,806,000