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Capital Stock and Changes in Capital Accounts (Narrative Stocks) (Details)
 6 Months Ended
Jun. 24, 2025
USD ($)
$ / shares
Mar. 21, 2025
USD ($)
$ / shares
Jan. 07, 2025
USD ($)
shares
Jun. 18, 2024
USD ($)
$ / shares
Mar. 12, 2024
USD ($)
$ / shares
Jun. 30, 2025
USD ($)
shares
Item
$ / shares
Jun. 30, 2024
USD ($)
$ / shares
shares
Dec. 31, 2024
USD ($)
$ / shares
shares
Dec. 02, 2024
$ / shares
shares
Dec. 14, 2023
$ / shares
shares
Class Of Stock [Line Items]                    
Issuance of new shares           12,802        
Shares issued price per share | $ / shares           $ 1.24        
Cash dividends on preferred stock | $           $ 2,884,000 $ 2,884,000      
Stock repurchased shares     11,442,645              
Payments for repurchase of common stock | $     $ 22,885,000     $ 23,048,000 $ 0      
Dividend paid on common stock per share | $ / shares $ 0.01 $ 0.01   $ 0.075 $ 0.075 $ 0.02 $ 0.15      
Cash dividend | $ $ 1,158,000 $ 1,158,000   $ 9,379,000 $ 8,989,000 $ 2,316,000 $ 18,368,000      
Issuance of stock | $           $ 16,000 27,792,000      
Number of warrants exercised           7,825        
Proceeds from warrant exercises | $           $ 69,000        
Tender offer, price per share | $ / shares                 $ 2.00  
Tender offer, share to purchase                 15,000,000  
Warrant liability | $           1,297,000   $ 1,802,000    
Gain on warrants | $           (515,000) $ 6,773,000      
Warrant [Member]                    
Class Of Stock [Line Items]                    
Number of warrants outstanding                   22,613,070
Number of shares permitted to purchase from warrants                   1.10346
Price per share | $ / shares                   $ 4
Warrant liability | $           1,297,000   $ 1,802,000    
Warrants received per shares, ratio                   0.2
If All Warrants Are Exercised [Member]                    
Class Of Stock [Line Items]                    
Issuance of stock | $           67,242,000        
Proceeds from warrant exercises | $           $ 90,452,000        
Number of warrants           36,685,379        
Series D Preferred Stock [Member] | Mrs. Semiramis Paliou                    
Class Of Stock [Line Items]                    
Cash dividends on preferred stock | $           $ 0        
Preferred Stock [Member]                    
Class Of Stock [Line Items]                    
Preferred stock, shares authorized           50,000,000   50,000,000    
Preferred stock, Par value per share | $ / shares           $ 0.01   $ 0.01    
Preferred Stock [Member] | Series A Participating Preferred Stock                    
Class Of Stock [Line Items]                    
Preferred stock, shares authorized           1,000,000   1,000,000    
Issuance of preferred stock, shares           0   0    
Preferred stock, shares outstanding           0   0    
Preferred Stock [Member] | Series B Preferred Stock [Member]                    
Class Of Stock [Line Items]                    
Preferred stock, shares authorized           5,000,000   5,000,000    
Preferred stock, Par value per share | $ / shares           $ 0.01   $ 0.01    
Issuance of preferred stock, shares           2,600,000   2,600,000    
Preferred stock, shares outstanding           2,600,000   2,600,000    
Shares issued price per share | $ / shares           $ 25.00   $ 25.00    
Preferred stock liquidation preference per share | $ / shares           $ 25.00   $ 25.00    
Preferred stock voting rights           Holders of Series B Preferred Shares have no voting rights other than the ability, subject to certain exceptions, to elect one director if dividends for six quarterly dividend periods (whether or not consecutive) are in arrears and certain other limited protective voting rights.        
Preferred stock dividend rate percentage           8.875%        
Preferred stock dividend rate per dollar amount | $ / shares           $ 2.21875        
Preferred stock, redemption price per share | $ / shares           $ 25.00        
Preferred Stock [Member] | Series C Preferred Stock [Member]                    
Class Of Stock [Line Items]                    
Preferred stock, shares authorized           10,675   10,675    
Issuance of preferred stock, shares           10,675   10,675    
Preferred stock, shares outstanding           10,675   10,675    
Shares issued price per share | $ / shares           $ 0.01   $ 0.01    
Preferred stock voting rights           The Series C Preferred Stock votes with the common shares of the Company, and each share entitles the holder thereof to 1,000 votes on all matters submitted to a vote of the shareholders of the Company.        
Preferred stock number of voting rights           1,000        
Preferred Stock [Member] | Series D Preferred Stock [Member]                    
Class Of Stock [Line Items]                    
Preferred stock, shares authorized           400   400    
Preferred Stock [Member] | Series D Preferred Stock [Member] | Mrs. Semiramis Paliou                    
Class Of Stock [Line Items]                    
Preferred stock, Par value per share | $ / shares           $ 0.01   $ 0.01    
Issuance of preferred stock, shares           400   400    
Preferred stock, shares outstanding           400   400    
Preferred stock voting rights           The Series D Preferred Stock vote with the common shares of the Company, and each share of the Series D Preferred Stock entitles the holder thereof to up to 200,000 votes,        
Preferred stock number of voting rights | Item           200,000        
Percent of total number of votes entitled to vote on any matter put to shareholders           36.00%        
Percent of total number of votes entitled to be cast on matters out to shareholders           36.00%        
Common Stock [Member]                    
Class Of Stock [Line Items]                    
Issuance of new shares           12,802 9,723,506      
Stock repurchased shares           11,442,645        
Issuance of stock | $           $ 0 $ 97,000