v3.25.2
Earnings Per Common Share (Details) - USD ($)
 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Earnings Per Share [Abstract]    
Net income / (loss), net of taxes $ (17,008,587) $ 45,185,357
Less: Net loss attributable to the non-controlling interest 3,191,062 0
Net income / (loss) attributable to Castor Maritime Inc. (13,817,525) 45,185,357
Less: Dividend on Series D Preferred Shares (2,513,889) (1,263,889)
Less: Deemed dividend on Preferred Shares (1,451,187) (249,515)
Net income / (loss) attributable to common shareholders of Castor Maritime Inc. (17,782,601) 43,671,953
Dividend on Series D Preferred Shares 2,513,889 1,263,889
Deemed dividend on Series D Preferred Shares 1,451,187 249,515
Net income / (loss) attributable to common shareholders, diluted $ (13,817,525) $ 45,185,357
Weighted average number of common shares outstanding, basic (in shares) 9,662,354 9,662,354
Effect of dilutive shares (in shares) 0 11,735,052
Weighted average number of common shares outstanding, diluted (in shares) 9,662,354 21,397,406
Earnings per common share, basic, Total (in dollars per share) $ (1.84) $ 4.52
Earnings per common share, diluted, Total (in dollars per share) $ (1.84) $ 2.11
Series D Preferred Shares [Member]    
Earnings Per Share [Abstract]    
Less: Deemed dividend on Preferred Shares $ (1,451,187) $ (249,515)
Deemed dividend on Series D Preferred Shares $ 1,451,187 $ 249,515