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Changes in Capital Accounts, Preferred Stock (Details) - $ / shares
Dec. 31, 2021
Dec. 31, 2020
Apr. 06, 2020
Dec. 31, 2019
Preferred Stock [Abstract]        
Preferred stock, shares authorized (in shares) 25,000,000 25,000,000    
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01    
Preferred stock, shares issued (in shares) 0 0    
Preferred stock, shares outstanding (in shares) 0 0    
Series A Preferred Shares [Member]        
Preferred Stock [Abstract]        
Preferred stock, shares authorized (in shares) 1,250,000      
Series B Preferred Shares [Member]        
Preferred Stock [Abstract]        
Preferred stock, shares authorized (in shares) 1,200,000      
Preferred stock, shares outstanding (in shares)     400 1,500