Quarterly report pursuant to Section 13 or 15(d)

Mogas Acquisition (Details)

v2.4.1.9
Mogas Acquisition (Details) (USD $)
3 Months Ended 12 Months Ended 0 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Nov. 24, 2014
business
customer
mi
Point
acre
Nov. 17, 2014
Business Acquisition [Line Items]          
Net offering proceeds $ 54,210,476us-gaap_StockIssuedDuringPeriodValueNewIssues   $ 141,725,228us-gaap_StockIssuedDuringPeriodValueNewIssues    
Net offering proceeds 54,137,791us-gaap_ProceedsFromIssuanceOfCommonStock 45,624,563us-gaap_ProceedsFromIssuanceOfCommonStock      
Mogas [Member]          
Business Acquisition [Line Items]          
Number of Businesses Acquired       2us-gaap_NumberOfBusinessesAcquired
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
 
Length of pipeline       263corr_LengthofPipeline
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
 
Number of Firm Transportation Customers       8corr_NumberofFirmTransportationCustomers
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
 
Number of receipt points       3corr_NumberOfReceiptPoints
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
 
Number od delivery points       22corr_NumberofDeliveryPoints
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
 
Acres owned       10.28corr_NumberofAcresOwned
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
 
Consideration transferred       125,000,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
 
Shares issued during period         14,950,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
Net offering proceeds         102,000,000us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
Share price         $ 6.80us-gaap_SharePrice
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
Net offering proceeds         96,000,000us-gaap_ProceedsFromIssuanceOfCommonStock
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
Debt amount       32,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
 
Proceeds from debt       29,000,000us-gaap_ProceedsFromDebtNetOfIssuanceCosts
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
 
Deferred finance costs       3,000,000us-gaap_DeferredFinanceCostsGross
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
 
Term Note [Member] | Mogas [Member]          
Business Acquisition [Line Items]          
Debt amount       90,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
/ us-gaap_LongtermDebtTypeAxis
= corr_TermNoteMember
 
Cash in escrow       $ 7,000,000corr_BusinessCombinationCashPlacedinEscrow
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
/ us-gaap_LongtermDebtTypeAxis
= corr_TermNoteMember