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CONDENSED FINANCIAL INFORMATION OF REGISTRANT Balance Sheet (Parenthetical) (Details) (USD $)
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Dec. 31, 2014
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Dec. 31, 2013
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| Accumulated depreciation, leased property | $ 19,417,025us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation | $ 9,154,337us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation |
| Accumulated deprecation, leased property held for sale | 5,878,933corr_PropertyHeldForSaleAccumulatedDepreciation | 3,600,251corr_PropertyHeldForSaleAccumulatedDepreciation |
| Accumulated amortization, intangible lease asset | 1,021,784us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization | 729,847us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization |
| Accumulated amortization, deferred debt | 1,124,655us-gaap_AccumulatedAmortizationDeferredFinanceCosts | 572,830us-gaap_AccumulatedAmortizationDeferredFinanceCosts |
| Accumulated amortization, deferred lease | 124,641us-gaap_DeferredCostsLeasingAccumulatedAmortization | 63,272us-gaap_DeferredCostsLeasingAccumulatedAmortization |
| Warrants, par value | $ 0corr_WarrantsParValue | $ 0corr_WarrantsParValue |
| Warrants, issued | 945,594corr_NumberOfWarrantsIssued | 945,594corr_NumberOfWarrantsIssued |
| Warrants, outstanding | 945,594us-gaap_ClassOfWarrantOrRightOutstanding | 945,594us-gaap_ClassOfWarrantOrRightOutstanding |
| Warrants, authorized | 5,000,000corr_NumberOfWarrantsAuthorized | 5,000,000corr_NumberOfWarrantsAuthorized |
| Capital stock non-convertible, par value | $ 0.001us-gaap_CommonStockParOrStatedValuePerShare | $ 0.001us-gaap_CommonStockParOrStatedValuePerShare |
| Capital stock non-convertible, shares issued | 46,605,055us-gaap_CommonStockSharesIssued | 24,156,163us-gaap_CommonStockSharesIssued |
| Capital stock non-convertible, shares outstanding | 46,605,055us-gaap_CommonStockSharesOutstanding | 24,156,163us-gaap_CommonStockSharesOutstanding |
| Capital stock non-convertible, shares authorized | 100,000,000us-gaap_CommonStockSharesAuthorized | 100,000,000us-gaap_CommonStockSharesAuthorized |
| Parent Company [Member] | ||
| Accumulated depreciation, leased property |
374,699us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
190,319us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
| Accumulated deprecation, leased property held for sale |
5,878,933corr_PropertyHeldForSaleAccumulatedDepreciation / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
3,600,251corr_PropertyHeldForSaleAccumulatedDepreciation / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
| Accumulated amortization, intangible lease asset |
1,021,784us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
729,847us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
| Accumulated amortization, deferred debt |
69,772us-gaap_AccumulatedAmortizationDeferredFinanceCosts / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
56,019us-gaap_AccumulatedAmortizationDeferredFinanceCosts / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
| Accumulated amortization, deferred lease |
$ 10,808us-gaap_DeferredCostsLeasingAccumulatedAmortization / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
$ 5,490us-gaap_DeferredCostsLeasingAccumulatedAmortization / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
| Warrants, par value |
$ 0corr_WarrantsParValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
$ 0corr_WarrantsParValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
| Warrants, issued |
0corr_NumberOfWarrantsIssued / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
945,594corr_NumberOfWarrantsIssued / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
| Warrants, outstanding |
0us-gaap_ClassOfWarrantOrRightOutstanding / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
945,594us-gaap_ClassOfWarrantOrRightOutstanding / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
| Warrants, authorized |
5,000,000corr_NumberOfWarrantsAuthorized / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
5,000,000corr_NumberOfWarrantsAuthorized / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
| Capital stock non-convertible, par value |
$ 0.0001us-gaap_CommonStockParOrStatedValuePerShare / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
$ 0.0001us-gaap_CommonStockParOrStatedValuePerShare / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
| Capital stock non-convertible, shares issued |
46,605,055us-gaap_CommonStockSharesIssued / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
24,156,163us-gaap_CommonStockSharesIssued / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
| Capital stock non-convertible, shares outstanding |
46,605,055us-gaap_CommonStockSharesOutstanding / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
24,156,163us-gaap_CommonStockSharesOutstanding / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
| Capital stock non-convertible, shares authorized |
100,000,000us-gaap_CommonStockSharesAuthorized / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
100,000,000us-gaap_CommonStockSharesAuthorized / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
| X | ||||||||||
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- Definition
Number of warrants authorized. No definition available.
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| X | ||||||||||
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- Definition
Number of warrants issued. No definition available.
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| X | ||||||||||
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- Definition
Property Held For Sale, Accumulated Depreciation No definition available.
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| X | ||||||||||
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- Definition
Warrants par value. No definition available.
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| X | ||||||||||
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- Definition
For an unclassified balance sheet, the accumulated amortization, as of the reporting date, representing the periodic charge to earnings of deferred costs which are associated with debt obligations existing as of the end of the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Face amount or stated value per share of common stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
For an unclassified balance sheet, the accumulated amortization, as of the reporting date, which represents the periodic charge to earnings of initial direct costs which have been deferred and are being allocated over the lease term in proportion to the recognition of rental income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of accumulated depreciation, by major property class, recorded on property subject to or available for lease as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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