v3.26.3
Note 8 - Commitments and Contingencies (Details Textual)
$ in Millions
 6 Months Ended
Jun. 30, 2026
USD ($)
Future Gross Minimum Revenues Under Non-cancellable Time Charter Agreements $ 600.1
Future Gross Minimum Revenues Under Non-cancellable Time Charter Agreements, Due in Rolling Year One 199.9
Future Gross Minimum Revenues Under Non-cancellable Time Charter Agreements, Due in Rolling Year Two 172.4
Future Gross Minimum Revenues Under Non-cancellable Time Charter Agreements, Due in Rolling Year Three 103.1
Future Gross Minimum Revenues Under Non-cancellable Time Charter Agreements, Due in Rolling Year Four 51.7
Future Gross Minimum Revenues Under Non-cancellable Time Charter Agreements, Due in Rolling Year Five 50.5
Future Gross Minimum Revenues Under Non-cancellable Time Charter Agreements, Due Thereafter $ 22.5
Eco Design Fuel Efficient Containerships [Member]  
Number of Vessels Under Construction 6
Construction of Vessels, Amount to Be Financed with a Combination of Debt and Equity $ 553.4
Payments Related to Shipyard Installments for Construction of Vessels 55.7
Construction of Vessel, Future Minimum Payments Due, Next Twelve Months 54.5
Construction of Vessel, Future Minimum Payments Due in Two Years 269.6
Construction of Vessel, Future Minimum Payments Due in Three Years $ 155.6