v3.26.1
Property, plant and equipment (Details)
$ in Thousands
1 Months Ended 6 Months Ended
Feb. 28, 2025
USD ($)
Jun. 30, 2025
USD ($)
item
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Property, plant and equipment        
Property, plant and equipment     $ 2,410,940 $ 2,483,140
Proceeds from sale of vessels   $ 65,049    
Gain on disposal of vessels   $ 32,051    
BW Cedar        
Property, plant and equipment        
Proceeds from sale of vessels $ 65,000      
Gain on disposal of vessels $ 32,100      
Property, plant and equipment | Vessels        
Property, plant and equipment        
Property, plant and equipment     2,239,650 2,310,061
Pledged as security on borrowings     1,388,000 1,423,000
Property, plant and equipment | Dry docking        
Property, plant and equipment        
Property, plant and equipment     69,550 55,904
Property, plant and equipment | Furniture and fixtures        
Property, plant and equipment        
Property, plant and equipment     456 433
Right-of-use assets        
Property, plant and equipment        
Property, plant and equipment     101,284 116,742
Number of vessels delivered following exercise of purchase options | item   2    
Cost        
Property, plant and equipment        
Property, plant and equipment     3,468,556 3,440,918
Cost | Property, plant and equipment | Vessels        
Property, plant and equipment        
Property, plant and equipment     2,994,895 2,994,896
Cost | Property, plant and equipment | Dry docking        
Property, plant and equipment        
Property, plant and equipment     94,327 91,345
Cost | Property, plant and equipment | Furniture and fixtures        
Property, plant and equipment        
Property, plant and equipment     1,414 1,251
Cost | Right-of-use assets        
Property, plant and equipment        
Property, plant and equipment     377,920 353,426
Derecognition of right-of-use assets   $ (138,500)    
Accumulated depreciation and impairment charge        
Property, plant and equipment        
Property, plant and equipment     (1,057,616) (957,778)
Accumulated depreciation and impairment charge | Property, plant and equipment | Vessels        
Property, plant and equipment        
Property, plant and equipment     (755,245) (684,835)
Accumulated depreciation and impairment charge | Property, plant and equipment | Dry docking        
Property, plant and equipment        
Property, plant and equipment     (24,777) (35,441)
Accumulated depreciation and impairment charge | Property, plant and equipment | Furniture and fixtures        
Property, plant and equipment        
Property, plant and equipment     (958) (818)
Accumulated depreciation and impairment charge | Right-of-use assets        
Property, plant and equipment        
Property, plant and equipment     $ (276,636) $ (236,684)
Derecognition of right-of-use assets   $ 138,500