v3.26.1
Right-of-Use Assets and Finance Lease Liabilities (Details) - USD ($)
 6 Months Ended
Mar. 10, 2026
Feb. 12, 2026
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Right-of-Use Assets and Finance Lease Liabilities [Abstract]          
Interest and finance costs-related party     $ 282,000 $ 48,000  
Interest expense on finance lease liabilities     154,000 453,000  
Right-of use assets     30,737,000   $ 26,314,000
Down payment advanced     $ 5,500,000 0  
Weighted average remaining lease term     1 year 1 month 13 days    
Weighted average implicit rate     2.96%    
Annual Lease Payments [Abstract]          
2027     $ 3,449,000    
2028     22,343,000    
Total undiscounted lease payments     25,792,000    
Less: Discount based on implicit rate     (764,000)    
Present value of finance lease liabilities     25,028,000    
Finance lease liabilities, current     2,760,000   16,938,000
Finance lease liabilities, non-current     22,268,000   0
Nisea [Member]          
Right-of-Use Assets and Finance Lease Liabilities [Abstract]          
Addition to vessels, net $ 26,287,000   26,287,000    
Amortization of right-of use assets     272,000 716,000  
Interest expense on finance lease liabilities     154,000 453,000  
Right-of use assets     0 26,314,000  
Dukeship [Member]          
Right-of-Use Assets and Finance Lease Liabilities [Abstract]          
Amortization of right-of use assets     926,000 0  
Interest and finance costs-related party     282,000 $ 0  
Right-of use assets   $ 31,663,000 $ 30,737,000   $ 0
Term of bareboat charter     18 months    
Implicit borrowing rate   2.96%      
Annual Lease Payments [Abstract]          
Present value of finance lease liabilities   $ 26,163,000      
Dukeship [Member] | Related Party [Member] | Seanergy [Member]          
Right-of-Use Assets and Finance Lease Liabilities [Abstract]          
Term of bareboat charter     18 months    
Down payment advanced   5,500,000      
Daily bareboat rate   9,500      
Purchase obligation   $ 22,050,000