v3.26.1
Related Party Transactions (Details) - USD ($)
6 Months Ended 12 Months Ended
Aug. 01, 2025
Feb. 03, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Related Party Transactions          
Related Party Transaction, Annual Management Fee, Shares 100,000        
Supervision fee per new building vessel payable $ 850,000        
Fee per emission allowance, surrendered by responsible entity 1        
Due from related parties     $ 59,031,000   $ 46,750,000
Prior service cost and periodic cost     1,346,000 $ 2,807,000  
Daily vessel management fee for the vessel bareboat charter for the remainder of 2025 475        
Annual management fee payable for the remainder of 2025 2,000,000        
Daily vessel management fee for the vessel bareboat charter next fiscal year 550        
Daily vessel management fee for vessels on time charter or voyage charter for the remainder of 2025 950        
Daily vessel management fee for vessels on time charter or voyage charter for the next fiscal year 1,100        
Annual management fee payable to related party in next fiscal year $ 2,500,000        
Manager          
Related Party Transactions          
Related Party Transaction, Annual Management Fee   $ 2,000,000      
Related Party Transaction, Annual Management Fee, Shares   100,000      
Daily vessel management fees for vessels on bareboat charter   $ 475      
Daily vessel management fees for vessels on time charter   950      
Supervision fee per new building vessel payable   850,000 850,000    
Fee per emission allowance, surrendered by responsible entity   $ 1      
Management fees     18,200,000 15,300,000  
Supervision fees for vessels capitalized     3,000,000   1,900,000
Due from related parties     59,000,000   46,800,000
Commissions     6,800,000 6,400,000  
Amount capitalized     300,000   1,200,000
Related party | Danaos Chartering          
Related Party Transactions          
Management fee on gross freight, charter hire, ballast bonus and demurrage (as a percent)   1.25%      
Management fee based on the contract price of any vessel bought or sold (as a percent)   1.00%      
Executive officers          
Related Party Transactions          
Remaining defined benefit obligation     21,700,000   $ 21,500,000
Prior service cost exercised     1,100,000 600,000  
Foreign exchange loss / (gain)     600,000 1,600,000  
Interest cost     300,000 $ 200,000  
Prior service cost expected to be reclassified     $ 2,300,000