Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Details)

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Income Taxes - Additional Information (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Contingency [Line Items]        
Valuation allowance   $ 104,595 $ 0  
Adjustment which reduced net deferred tax assets     1,300,000  
Deferred state income tax expense (benefit)   370,482 (411,048) $ 19,413
NOL not subject to expiration   19,800,000 19,800,000  
NOL expiring in 2034 if not utilized   328,000    
NOL expiring in 2035 if not utilized   176,000    
NOL expiring in 2036 if not utilized   1,200,000    
NOL expiring in 2037 if not utilized   2,000,000    
Subsidiaries        
Income Tax Contingency [Line Items]        
Net operating loss for federal income tax purposes   23,500,000 $ 17,100,000  
State | Missouri        
Income Tax Contingency [Line Items]        
Blended state tax rate     5.00% 5.00%
Deferred state income tax expense (benefit) $ 315,000      
Capital Loss Carryforward        
Income Tax Contingency [Line Items]        
Carryforward for tax purposes   $ 500,000    
Corridor Public and Corridor Private | State        
Income Tax Contingency [Line Items]        
Blended state tax rate 0.00%   5.53% 3.78%
CorEnergy BBWS | State | Missouri        
Income Tax Contingency [Line Items]        
Blended state tax rate   5.00%    
Corridor MoGas | State | Missouri        
Income Tax Contingency [Line Items]        
Blended state tax rate   5.00%