v3.25.4
Reporting entity (Narrative) (Details)
$ / shares in Units, $ in Millions
 1 Months Ended 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Mar. 31, 2026
$ / shares
Apr. 30, 2025
USD ($)
Vessels
$ / shares
Sep. 30, 2024
Vessels
Aug. 31, 2022
Vessels
Dec. 31, 2025
USD ($)
Vessels
$ / shares
Jun. 30, 2025
USD ($)
$ / shares
Sep. 30, 2025
USD ($)
$ / shares
Dec. 31, 2025
USD ($)
$ / shares
Dec. 31, 2023
USD ($)
Disclosure Of Reporting Entity [Line Items]                  
Merger consideration per share | $ / shares         $ 35     $ 35  
Impairment Reversal (Credit)               $ 137.0 $ (2,034.9)
Time charter period               twelve years  
Aggregate commitment for time charter agreements         $ 2,300.0     $ 2,300.0  
Total aggregate contractual commitment under time charter agreements         $ 1,100.0     1,100.0  
Capacity of the container vessels chartered | Vessels   11,500     9,000        
Repayment of lease liabilities on vessel acquisition               $ 52.0  
Additional distribution of dividend approved, per ordinary share | $ / shares $ 0.88 $ 3.17       $ 0.74 $ 0.06 $ 0.31  
Additional distribution of dividend approved   $ 382.0       $ 89.0 $ 7.0 $ 37.0  
Minimum [Member]                  
Disclosure Of Reporting Entity [Line Items]                  
Capacity of the container vessels chartered | Vessels         3,000        
Maximum [Member]                  
Disclosure Of Reporting Entity [Line Items]                  
Capacity of the container vessels chartered | Vessels         5,000        
Shell NA LNG, LLC                  
Disclosure Of Reporting Entity [Line Items]                  
Capacity of the container vessels chartered | Vessels     8,000 15,000          
Period for the agreement       ten          
Mediterranean Shipping Company (Msc)                  
Disclosure Of Reporting Entity [Line Items]                  
Period for the agreement     three years            
Initial public offering                  
Disclosure Of Reporting Entity [Line Items]                  
Additional distribution of dividend approved               $ 106.0