Quarterly report pursuant to Section 13 or 15(d)

Leased Properties (Details)

v2.4.1.9
Leased Properties (Details) (USD $)
3 Months Ended 1 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2012
Dec. 31, 2014
Dec. 20, 2012
Sale Leaseback Transaction [Line Items]          
Net offering proceeds $ 54,137,791us-gaap_ProceedsFromIssuanceOfCommonStock $ 45,624,563us-gaap_ProceedsFromIssuanceOfCommonStock      
Deferred lease costs, net of accumulated amortization of $139,983 and $124,641 780,000us-gaap_DeferredCostsLeasingNet     796,000us-gaap_DeferredCostsLeasingNet  
Long-term debt 62,650,000us-gaap_SecuredDebt     63,532,000us-gaap_SecuredDebt  
Pinedale Liquids Gathering System [Member]          
Sale Leaseback Transaction [Line Items]          
Length of transmission lines physical assets 150corr_LengthOfTransmissionLinesPhysicalAssets
/ us-gaap_SaleLeasebackTransactionDescriptionAxis
= corr_PinedaleLiquidsGatheringSystemMember
       
Number of receipt points 107corr_NumberOfReceiptPoints
/ us-gaap_SaleLeasebackTransactionDescriptionAxis
= corr_PinedaleLiquidsGatheringSystemMember
       
Number of Above-ground Central Gathering Facilities 4corr_NumberofAbovegroundCentralGatheringFacilities
/ us-gaap_SaleLeasebackTransactionDescriptionAxis
= corr_PinedaleLiquidsGatheringSystemMember
       
Estimated useful lives of assets 26 years        
Settlement date     Dec. 20, 2012    
Ownership percentage by noncontrolling owners     18.95%corr_NonControllingInterestInPinedaleLp
/ us-gaap_SaleLeasebackTransactionDescriptionAxis
= corr_PinedaleLiquidsGatheringSystemMember
   
Non controlling economic interest pinedale GP     81.05%corr_NonControllingEconomicInterestPinedaleGp
/ us-gaap_SaleLeasebackTransactionDescriptionAxis
= corr_PinedaleLiquidsGatheringSystemMember
   
Depreciation expense 2,200,000us-gaap_Depreciation
/ us-gaap_SaleLeasebackTransactionDescriptionAxis
= corr_PinedaleLiquidsGatheringSystemMember
2,200,000us-gaap_Depreciation
/ us-gaap_SaleLeasebackTransactionDescriptionAxis
= corr_PinedaleLiquidsGatheringSystemMember
     
Eastern Interconnect Project [Member]          
Sale Leaseback Transaction [Line Items]          
Length of transmission lines physical assets 216corr_LengthOfTransmissionLinesPhysicalAssets
/ us-gaap_SaleLeasebackTransactionDescriptionAxis
= corr_EasternInterconnectProjectMember
       
Estimated useful lives of assets 20 years        
Operating Leases, Income Statement, Depreciation Expense on Property Subject to or Held-for-lease 570,000us-gaap_OperatingLeasesIncomeStatementDepreciationExpenseOnPropertySubjectToOrHeldForLease
/ us-gaap_SaleLeasebackTransactionDescriptionAxis
= corr_EasternInterconnectProjectMember
570,000us-gaap_OperatingLeasesIncomeStatementDepreciationExpenseOnPropertySubjectToOrHeldForLease
/ us-gaap_SaleLeasebackTransactionDescriptionAxis
= corr_EasternInterconnectProjectMember
     
Secured Debt [Member] | Key Bank [Member] | Pinedale Liquids Gathering System [Member]          
Sale Leaseback Transaction [Line Items]          
Long-term debt         70,000,000us-gaap_SecuredDebt
/ us-gaap_DebtInstrumentAxis
= us-gaap_SecuredDebtMember
/ us-gaap_LineOfCreditFacilityAxis
= corr_KeyBankMember
/ us-gaap_SaleLeasebackTransactionDescriptionAxis
= corr_PinedaleLiquidsGatheringSystemMember
Portland Terminal Facility [Member]          
Sale Leaseback Transaction [Line Items]          
Crude oil and petroleum product storage capacity 1,500,000corr_Crudeoilandpetroleumproductstoragecapacity
/ dei_LegalEntityAxis
= corr_PortlandTerminalFacilityMember
       
Estimated useful lives of assets 30 years        
Number of Acres Owned 39corr_NumberofAcresOwned
/ dei_LegalEntityAxis
= corr_PortlandTerminalFacilityMember
       
Number Of Tanks 84corr_NumberOfTanks
/ dei_LegalEntityAxis
= corr_PortlandTerminalFacilityMember
       
Depreciation expense 407,000us-gaap_Depreciation
/ dei_LegalEntityAxis
= corr_PortlandTerminalFacilityMember
274,000us-gaap_Depreciation
/ dei_LegalEntityAxis
= corr_PortlandTerminalFacilityMember
     
Portland Terminal Facility [Member]          
Sale Leaseback Transaction [Line Items]          
Additional Expected Project Costs 7,800,000corr_AdditionalExpectedProjectCosts
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= corr_PortlandTerminalFacilityMember
       
Construction and Development Costs $ 10,000,000us-gaap_ConstructionAndDevelopmentCosts
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= corr_PortlandTerminalFacilityMember