Annual report pursuant to Section 13 and 15(d)

SCHEDULE III - REAL ESTATE AND ACCUMULATED DEPRECIATION (Details)

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SCHEDULE III - REAL ESTATE AND ACCUMULATED DEPRECIATION (Details)
 12 Months Ended
Dec. 31, 2020
USD ($)
property
Mar. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]          
Encumbrances $ 0        
Initial cost to company, land 1,170,000        
Initial cost to company, building & fixtures 259,659,397        
Costs capitalized subsequent to acquisition, improvements (189,059,220)        
Gross amount carried at close of period, land 1,250,000        
Gross amount carried at close of period, building & fixtures 70,520,177        
Gross amount carried at close of period, total 71,770,177   $ 485,037,215 $ 485,368,450 $ 538,112,220
Accumulated Depreciation 6,832,167   105,825,816 $ 87,154,095 $ 72,155,753
Investment in Real Estate, net, at 12/31/20 64,938,010        
Long-term debt outstanding $ 115,008,130   $ 152,109,426    
CorEnergy Credit Facility | Line of Credit          
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]          
Number of properties serving as collateral | property 2        
Long-term debt outstanding $ 0        
United Property Systems          
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]          
Encumbrances 0        
Initial cost to company, land 210,000        
Initial cost to company, building & fixtures 1,188,000        
Costs capitalized subsequent to acquisition, improvements 128,026        
Gross amount carried at close of period, land 210,000        
Gross amount carried at close of period, building & fixtures 1,316,026        
Gross amount carried at close of period, total 1,526,026        
Accumulated Depreciation 216,951        
Investment in Real Estate, net, at 12/31/20 $ 1,309,075        
Life on which depreciation in latest income statement is computed 40 years        
Grand Isle Gathering System          
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]          
Encumbrances $ 0        
Initial cost to company, land 960,000        
Initial cost to company, building & fixtures 258,471,397        
Costs capitalized subsequent to acquisition, improvements (189,187,246)        
Gross amount carried at close of period, land 1,040,000        
Gross amount carried at close of period, building & fixtures 69,204,151        
Gross amount carried at close of period, total 70,244,151 $ 183,000,000.0      
Accumulated Depreciation 6,615,216 $ 42,700,000      
Investment in Real Estate, net, at 12/31/20 $ 63,628,935        
Life on which depreciation in latest income statement is computed 15 years        
Acquisition costs $ 1,931,396        
Post-impairment balance $ 494,361