Annual report pursuant to Section 13 and 15(d)

Stockholder's Equity - Preferred Stock (Details)

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Stockholder's Equity - Preferred Stock (Details) - USD ($)
 12 Months Ended
May 10, 2017
Apr. 18, 2017
Jan. 27, 2015
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Aug. 06, 2018
Class of Stock [Line Items]              
Preferred stock, authorized (in shares)       10,000,000      
Preferred stock, par value (in dollars per share)       $ 0.001      
Repurchases of Series A preferred stock       $ 60,550 $ 4,275,553 $ 0  
Preferred stock, outstanding (in shares)       50,197      
Series A Cumulative Redeemable Preferred Stock              
Class of Stock [Line Items]              
Preferred stock, authorized (in shares)       10,000,000 10,000,000    
Preferred stock, par value (in dollars per share)       $ 0.001 $ 0.001    
Preferred stock interest rate       7.375% 7.375%    
Preferred stock, issued (in shares)     22,500 50,197 50,222    
Net offering proceeds     $ 54,200,000        
Preferred stock, liquidation preference (in dollars per share)       $ 2,500 $ 2,500    
Preferred stock, outstanding (in shares)       50,197 50,222    
Depositary Shares              
Class of Stock [Line Items]              
Preferred stock, par value (in dollars per share)       $ 50.197      
Percent equivalent of preferred shares       1.00%      
Dividends (in dollars per share)       $ 1.84375      
Preferred stock, liquidation preference (in dollars per share)       $ 25.00      
Authorized amount of shares to be repurchased             $ 10,000,000
Repurchase of stock (in shares)         177,773    
Repurchases of Series A preferred stock         $ 4,300,000    
Preferred stock, outstanding (in shares)       5,019,727      
Depositary Shares | Series A Cumulative Redeemable Preferred Stock              
Class of Stock [Line Items]              
Repurchase of stock (in shares)       2,500      
Repurchases of Series A preferred stock       $ 61,000      
Preferred Stock | Series A Cumulative Redeemable Preferred Stock              
Class of Stock [Line Items]              
Preferred stock interest rate     7.375% 7.375%      
Underwritten Public Offering | Depositary Shares              
Class of Stock [Line Items]              
Shares sold in offering (in shares) 150,000 2,800,000 2,250,000        
Sale of stock (in dollars per share) $ 25.00 $ 25.00          
Proceeds from sale of stock           $ 71,200,000  
Shares outstanding (in shares)           5,200,000  
Underwritten Public Offering | Preferred Stock              
Class of Stock [Line Items]              
Shares outstanding (in shares)           52,000  
Line of Credit | Revolving Credit Facility | CorEnergy Revolver              
Class of Stock [Line Items]              
Extinguishment of debt           $ 44,000,000