Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Details)

v3.20.4
Income Taxes - Additional Information (Details) - USD ($)
 1 Months Ended 3 Months Ended 12 Months Ended
Dec. 31, 2018
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Tax Contingency [Line Items]          
Net operating loss for federal income tax purposes     $ 26,700,000 $ 23,500,000  
Net operating losses eligible for carryback under the CARES Act     1,200,000    
NOL not subject to expiration $ 23,300,000   23,300,000 23,300,000 $ 23,300,000
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     993,000    
NOL expiring in 2037 if not utilized     2,000,000.0    
Valuation allowance     92,418 104,595  
Adjustment which reduced net deferred tax assets $ 1,300,000        
Deferred state income tax expense (benefit)     $ 11,140 370,482 $ (411,048)
Capital Stock          
Income Tax Contingency [Line Items]          
Return of capital percentage     100.00%    
Preferred Stock          
Income Tax Contingency [Line Items]          
Return of capital percentage     100.00%    
State | Missouri          
Income Tax Contingency [Line Items]          
Deferred state income tax expense (benefit)   $ 315,000      
Capital Loss Carryforward          
Income Tax Contingency [Line Items]          
Carryforward for tax purposes     $ 440,000 $ 500,000  
Corridor Public and Corridor Private | State          
Income Tax Contingency [Line Items]          
Blended state tax rate   0.00%     5.53%
CorEnergy BBWS | State | Missouri          
Income Tax Contingency [Line Items]          
Blended state tax rate     3.00% 5.00%  
Corridor MoGas | State | Missouri          
Income Tax Contingency [Line Items]          
Blended state tax rate     3.00% 5.00% 5.00%