Annual report pursuant to Section 13 and 15(d)

Debt - CorEnergy Credit Facilities (Details)

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Debt - CorEnergy Credit Facilities (Details) - USD ($)
Jul. 28, 2017
Dec. 31, 2019
Aug. 15, 2019
Dec. 31, 2018
Jul. 08, 2015
Jun. 29, 2015
Nov. 24, 2014
Line of Credit Facility [Line Items]              
Long-term debt outstanding   $ 152,109,426   $ 150,038,380      
Line of Credit              
Line of Credit Facility [Line Items]              
Face amount         $ 153,000,000    
Line of Credit | Revolving Credit Facility              
Line of Credit Facility [Line Items]              
Face amount         105,000,000    
Line of Credit | Amended and Restated CorEnergy Credit Facility              
Line of Credit Facility [Line Items]              
Face amount $ 161,000,000            
Debt instrument term 5 years            
Line of Credit | Minimum | LIBOR | Amended and Restated CorEnergy Credit Facility              
Line of Credit Facility [Line Items]              
Basis spread on variable rate 2.75%            
Line of Credit | Maximum | LIBOR | Amended and Restated CorEnergy Credit Facility              
Line of Credit Facility [Line Items]              
Basis spread on variable rate 3.75%            
CorEnergy Revolver | Line of Credit | Revolving Credit Facility              
Line of Credit Facility [Line Items]              
Face amount   160,000,000          
CorEnergy Revolver | Line of Credit | Amended and Restated CorEnergy Credit Facility              
Line of Credit Facility [Line Items]              
Face amount $ 160,000,000            
Springing maturity trigger exceeds principal amount 28,750,000            
Springing maturity trigger unrestricted cash liquidity 5,000,000            
Remaining borrowing capacity   136,400,000          
MoGas Revolver | Line of Credit | Revolving Credit Facility              
Line of Credit Facility [Line Items]              
Face amount   1,000,000         $ 3,000,000.0
MoGas Revolver | Line of Credit | Amended and Restated CorEnergy Credit Facility              
Line of Credit Facility [Line Items]              
Face amount 1,000,000            
Remaining borrowing capacity $ 1,000,000 1,000,000          
Long-term debt outstanding   0          
7.00% Unsecured Convertible Senior Notes | Convertible Debt              
Line of Credit Facility [Line Items]              
Face amount   $ 115,000,000 $ 63,900,000.0     $ 115,000,000.0  
Interest rate, fixed   7.00%   7.00%   7.00%  
Parent Company | Line of Credit | Term Loan              
Line of Credit Facility [Line Items]              
Face amount         45,000,000    
Subsidiaries | Line of Credit | Revolving Credit Facility              
Line of Credit Facility [Line Items]              
Face amount         $ 3,000,000