Annual report pursuant to Section 13 and 15(d)

SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF REGISTRANT - Balance Sheet (Details)

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SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF REGISTRANT - Balance Sheet (Details) - USD ($)
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Assets        
Leased property, net of accumulated depreciation of $927,838 and $743,458 $ 465,956,467 $ 489,258,369    
Cash and cash equivalents 15,787,069 7,895,084 $ 14,618,740 $ 7,578,164
Deferred costs, net of accumulated amortization of $226,342 and $1,240,297 3,504,916 3,132,050    
Prepaid expenses and other assets 742,154 354,230    
Total Assets 633,418,113 650,732,571    
Liabilities and Equity        
Secured credit facilities, net 40,745,354 89,387,985    
Unsecured convertible senior notes, net of discount and debt issuance costs of $1,967,917 and $2,755,105 112,032,083 111,244,895    
Accounts payable and other accrued liabilities 2,333,782 2,416,283    
Management fees payable 1,748,426 1,735,024    
Total Liabilities 171,632,481 216,823,091    
Equity        
Series A Cumulative Redeemable Preferred Stock 7.375%, $130,000,000 and $56,250,000 liquidation preference ($2,500 per share, $0.001 par value), 10,000,000 authorized; 52,000 and 22,500 issued and outstanding at December 31, 2017 and December 31, 2016, respectively 130,000,000 56,250,000    
Capital stock, non-convertible, $0.001 par value; 11,915,830 and 11,886,216 shares issued and outstanding at December 31, 2017 and December 31, 2016 (100,000,000 shares authorized) 11,916 11,886    
Additional paid-in capital 331,773,716 350,217,746    
Accumulated other comprehensive loss 0 (11,196)    
Total CorEnergy Equity 461,785,632 406,468,436    
Total Liabilities and Equity 633,418,113 650,732,571    
Parent Company [Member]        
Assets        
Leased property, net of accumulated depreciation of $927,838 and $743,458 3,865,818 4,050,198    
Investments 479,840,250 451,603,448    
Cash and cash equivalents 6,662,474 5,933,481 $ 10,089,436 $ 3,599,935
Due from subsidiary 7,302,678 9,770,878    
Note receivable from subsidiary 83,250,000 128,244,591    
Deferred costs, net of accumulated amortization of $226,342 and $1,240,297 2,255,425 1,548,255    
Prepaid expenses and other assets 197,211 178,168    
Total Assets 583,373,856 601,329,019    
Liabilities and Equity        
Secured credit facilities, net 0 80,527,408    
Unsecured convertible senior notes, net of discount and debt issuance costs of $1,967,917 and $2,755,105 112,032,083 111,244,895    
Accounts payable and other accrued liabilities 987,881 1,199,616    
Management fees payable 1,748,426 1,735,024    
Due to affiliate 153,640 153,640    
Total Liabilities 114,922,030 194,860,583    
Equity        
Series A Cumulative Redeemable Preferred Stock 7.375%, $130,000,000 and $56,250,000 liquidation preference ($2,500 per share, $0.001 par value), 10,000,000 authorized; 52,000 and 22,500 issued and outstanding at December 31, 2017 and December 31, 2016, respectively 130,000,000 56,250,000    
Capital stock, non-convertible, $0.001 par value; 11,915,830 and 11,886,216 shares issued and outstanding at December 31, 2017 and December 31, 2016 (100,000,000 shares authorized) 11,916 11,886    
Additional paid-in capital 338,439,910 350,217,746    
Accumulated other comprehensive loss 0 (11,196)    
Total CorEnergy Equity 468,451,826 406,468,436    
Total Liabilities and Equity $ 583,373,856 $ 601,329,019