v3.26.3
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY AND MEZZANINE EQUITY - USD ($)
Common Shares [Member]
Series B Preferred Shares [Member]
Preferred B Shares [Member]
Par Value of Shares Issued [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income / (Loss) [Member]
Castor Maritime Inc. [Member]
Non-controlling Interest [Member]
Total
Series D Preferred Shares [Member]
Balance at Dec. 31, 2024     $ 9,674 $ 265,389,338 $ 228,527,153 $ (1,509,187) $ 492,416,978 $ 55,340,486 $ 547,757,464  
Balance (in shares) at Dec. 31, 2024 9,662,354 12,000                
Increase (Decrease) in Shareholders' Equity [Roll Forward]                    
Dividend on Preferred Shares (Note 14)     0 0 (2,513,889) 0 (2,513,889) 0 (2,513,889)  
Deemed dividend on Preferred Shares (Note 14)     0 0 (1,451,187) 0 (1,451,187) 0 (1,451,187)  
Dividends to noncontrolling interests (Note 14)     0 0 0 0 0 (2,848,198) (2,848,198)  
Changes in Ownership of Subsidiary Without Loss of Control     0 (48,020) 0 0 (48,020) 320,800 272,780  
Share-based compensation (Note 25)     0 0 0 0 0 115,044 115,044  
Other comprehensive income / (loss)     0 0 0 21,358,802 21,358,802 7,622,435 28,981,237  
Net income / (loss)     0 0 (13,817,525) 0 (13,817,525) (3,191,062) (17,008,587)  
Balance at Jun. 30, 2025     9,674 265,341,318 210,744,552 19,849,615 495,945,159 57,359,505 553,304,664  
Balance (in shares) at Jun. 30, 2025 9,662,354 12,000                
Beginning balance at Dec. 31, 2024                   $ 77,708,258
Beginning balance (in shares) at Dec. 31, 2024                   100,000
Increase (Decrease) in Temporary Equity [Roll Forward]                    
Deemed dividend on Series D Preferred Shares (Note 14)                   $ 1,451,187
Ending balance at Jun. 30, 2025                   $ 79,159,445
Ending balance (in shares) at Jun. 30, 2025                   100,000
Balance at Dec. 31, 2025     9,674 265,339,741 239,452,780 20,628,512 525,430,707 62,812,696 588,243,403  
Balance (in shares) at Dec. 31, 2025 9,662,354 12,000                
Increase (Decrease) in Shareholders' Equity [Roll Forward]                    
Dividend on Preferred Shares (Note 14)     0 0 (2,500,000) 0 (2,500,000) 0 (2,500,000)  
Deemed dividend on Preferred Shares (Note 14)     0 0 (1,620,049) 0 (1,620,049) 0 (1,620,049)  
First-time consolidation effects (Note 14)     0 0 0 0 0 23,428,600 23,428,600  
Transactions with non-controlling interest (Note 14)     0 0 0 0 0 (80,570) (80,570)  
Share-based compensation (Note 25)     0 0 0 0 0 125,430 125,430  
Other comprehensive income / (loss)     0 0 0 (6,929,053) (6,929,053) (3,634,510) (10,563,563)  
Net income / (loss)     0 0 65,479,716 0 65,479,716 30,550,611 96,030,327  
Balance at Jun. 30, 2026     $ 9,674 $ 265,339,741 $ 300,812,447 $ 13,699,459 $ 579,861,321 $ 113,202,257 693,063,578  
Balance (in shares) at Jun. 30, 2026 9,662,354 12,000                
Beginning balance at Dec. 31, 2025                 80,714,075  
Beginning balance (in shares) at Dec. 31, 2025                   100,000
Increase (Decrease) in Temporary Equity [Roll Forward]                    
Deemed dividend on Series D Preferred Shares (Note 14)                   $ 1,620,049
Ending balance at Jun. 30, 2026                 $ 82,334,124 $ 82,334,124
Ending balance (in shares) at Jun. 30, 2026                   100,000