Annual report pursuant to Section 13 and 15(d)

Leases Leases (Details)

v2.4.1.9
Leases Leases (Details)
 1 Months Ended 12 Months Ended
Dec. 31, 2012
Dec. 31, 2014
Dec. 31, 2013
Nov. 30, 2012
Pinedale Liquids Gathering System [Member]        
Operating Leased Assets [Line Items]        
Percentage of total leased properties   79.17%corr_PercentageOfTotalLeasedProperties
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= corr_PinedaleLiquidsGatheringSystemMember 		94.23%corr_PercentageOfTotalLeasedProperties
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= corr_PinedaleLiquidsGatheringSystemMember 		 
Percentage of leased property revenue 75.20%corr_PercentageOfLeasedPropertyRevenue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= corr_PinedaleLiquidsGatheringSystemMember 		71.94%corr_PercentageOfLeasedPropertyRevenue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= corr_PinedaleLiquidsGatheringSystemMember 		88.68%corr_PercentageOfLeasedPropertyRevenue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= corr_PinedaleLiquidsGatheringSystemMember 		 
Portland Terminal Facility [Member]        
Operating Leased Assets [Line Items]        
Percentage of total leased properties   17.24%corr_PercentageOfTotalLeasedProperties
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= corr_PortlandTerminalFacilityMember 		   
Percentage of leased property revenue   18.98%corr_PercentageOfLeasedPropertyRevenue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= corr_PortlandTerminalFacilityMember 		   
Public Service Copmany of New Mexico [Member]        
Operating Leased Assets [Line Items]        
Percentage of total leased properties   3.07%corr_PercentageOfTotalLeasedProperties
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= corr_PublicServiceCopmanyOfNewMexicoMember 		5.77%corr_PercentageOfTotalLeasedProperties
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= corr_PublicServiceCopmanyOfNewMexicoMember 		 
Percentage of leased property revenue 24.80%corr_PercentageOfLeasedPropertyRevenue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= corr_PublicServiceCopmanyOfNewMexicoMember 		9.05%corr_PercentageOfLeasedPropertyRevenue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= corr_PublicServiceCopmanyOfNewMexicoMember 		11.32%corr_PercentageOfLeasedPropertyRevenue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= corr_PublicServiceCopmanyOfNewMexicoMember 		100.00%corr_PercentageOfLeasedPropertyRevenue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= corr_PublicServiceCopmanyOfNewMexicoMember