Quarterly report pursuant to Section 13 or 15(d)

Financing Notes Receivable (Details)

v2.4.1.9
Financing Notes Receivable (Details) (USD $)
3 Months Ended 0 Months Ended 1 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 13, 2014
Dec. 31, 2014
Jul. 31, 2014
Jul. 23, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Advances on revolving line of credit $ 1,945,361us-gaap_ProceedsFromLinesOfCredit $ 1,523,266us-gaap_ProceedsFromLinesOfCredit        
Long-term Debt [Member] | Black Bison Water Services LLC [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Maximum borrowing base of revolving note payable           12,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_LongTermDebtMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_BlackBisonWaterServicesLLCMember
Line of Credit [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Advances on revolving line of credit     4,000,000us-gaap_ProceedsFromLinesOfCredit
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
     
Debt Instrument, Basis Spread on Variable Rate     2.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
     
Line of Credit [Member] | Black Bison Water Services LLC [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Advances on revolving line of credit     4,300,000us-gaap_ProceedsFromLinesOfCredit
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_BlackBisonWaterServicesLLCMember
     
Maximum borrowing base of revolving note payable     11,500,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_BlackBisonWaterServicesLLCMember
    15,300,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_BlackBisonWaterServicesLLCMember
Debt Instrument, Interest Rate, Stated Percentage     12.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_BlackBisonWaterServicesLLCMember
     
Debt Instrument, Basis Spread on Variable Rate     2.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_BlackBisonWaterServicesLLCMember
     
Variable Rent Cap, Percentage     19.00%corr_VariableRentCapPercentage
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_BlackBisonWaterServicesLLCMember
     
Line of Credit [Member] | REIT Loan [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Debt Instrument, Interest Rate, Stated Percentage 12.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_REITLoanMember
         
Variable Rent Cap, Percentage       19.00%corr_VariableRentCapPercentage
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_REITLoanMember
   
Line of Credit [Member] | TRS Loan [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Debt Instrument, Interest Rate, Stated Percentage 13.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_TRSLoanMember
         
Variable Rent Cap, Percentage       20.00%corr_VariableRentCapPercentage
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_TRSLoanMember
   
Subsidiaries [Member] | Long-term Debt [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Maximum borrowing base of revolving note payable           1,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_LongTermDebtMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Subsidiaries [Member] | Long-term Debt [Member] | Black Bison Water Services LLC [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Maximum borrowing base of revolving note payable           3,300,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_LongTermDebtMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_BlackBisonWaterServicesLLCMember
Warrant [Member]            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Class of Warrant or Right, Right To Purchase Percentage Of Equity     15.00%corr_ClassofWarrantorRightRightToPurchasePercentageOfEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
     
Proceeds for Purchase of Shares     34,000corr_ProceedsforPurchaseofShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
  51,000corr_ProceedsforPurchaseofShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
 
Class of Warrants or Rights, Capitalized Costs     13,000corr_ClassofWarrantsorRightsCapitalizedCosts
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
  25,000corr_ClassofWarrantsorRightsCapitalizedCosts
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
 
Payments for Acquisition of Warrant         123,000corr_PaymentsforAcquisitionofWarrant
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
 
Equity, Fair Value Disclosure         $ 125,000us-gaap_EquityFairValueDisclosure
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
 
Class of Warrant or Right, Exercise Price of Warrants or Rights     $ 3.16us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
     
Class of Warrant or Right, Value of Percent of Capital Contributed Increase Per Annum     12.00%corr_ClassofWarrantorRightValueofPercentofCapitalContributedIncreasePerAnnum
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
     
Class of Warrant or Right, Value of Percent of Capital Contributed         18.72%corr_ClassofWarrantorRightValueofPercentofCapitalContributed
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember