Annual report pursuant to Section 13 and 15(d)

CONDENSED FINANCIAL INFORMATION OF REGISTRANT Balance Sheet (Details)

v2.4.1.9
CONDENSED FINANCIAL INFORMATION OF REGISTRANT Balance Sheet (Details) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Nov. 30, 2012
Dec. 31, 2011
Nov. 30, 2011
Assets [Abstract]            
Leased property, net of accumulated depreciation of $374,699 and$190,319 $ 260,280,029us-gaap_SaleLeasebackTransactionNetBookValue $ 221,694,020us-gaap_SaleLeasebackTransactionNetBookValue        
Leased property held for sale, net of accumulated depreciation of $5,878,933 and $3,600,251 8,247,916corr_DisposalGroupIncludingDiscontinuedOperationAssetsNet 10,526,598corr_DisposalGroupIncludingDiscontinuedOperationAssetsNet        
Investments 9,572,181us-gaap_TradingSecuritiesEquity 23,304,321us-gaap_TradingSecuritiesEquity        
Cash and cash equivalents 7,578,164us-gaap_CashAndCashEquivalentsAtCarryingValue 17,963,266us-gaap_CashAndCashEquivalentsAtCarryingValue 17,680,783us-gaap_CashAndCashEquivalentsAtCarryingValue 14,333,456us-gaap_CashAndCashEquivalentsAtCarryingValue   2,793,326us-gaap_CashAndCashEquivalentsAtCarryingValue
Lease receivable 1,499,796us-gaap_LoansAndLeasesReceivableGrossCarryingAmount 711,229us-gaap_LoansAndLeasesReceivableGrossCarryingAmount        
Intangible lease asset, net of accumulated amortization of $1,021,784 and $729,847 72,987us-gaap_FiniteLivedIntangibleAssetsNet 364,924us-gaap_FiniteLivedIntangibleAssetsNet        
Deferred debt issuance costs, net of accumulated amortization of $69,772 and $56,019 3,516,167us-gaap_DeferredFinanceCostsNet 1,225,524us-gaap_DeferredFinanceCostsNet        
Deferred lease costs, net of accumulated amortization of $10,808 and $5,490 795,821us-gaap_DeferredCostsLeasingNet 857,190us-gaap_DeferredCostsLeasingNet        
Prepaid expenses and other assets 380,303us-gaap_PrepaidExpenseAndOtherAssetsCurrent 326,561us-gaap_PrepaidExpenseAndOtherAssetsCurrent        
Total Assets 443,815,842us-gaap_Assets 283,875,659us-gaap_Assets 293,661,985us-gaap_Assets   95,931,078us-gaap_Assets  
Liabilities and Equity [Abstract]            
Accounts payable and other accrued liabilities 3,935,307us-gaap_AccountsPayableAndOtherAccruedLiabilities 2,224,829us-gaap_AccountsPayableAndOtherAccruedLiabilities        
Line of credit 32,141,277us-gaap_LineOfCredit 81,935us-gaap_LineOfCredit        
Unearned revenue 711,230corr_AdvanceReceiptForFutureMinimumRental 0corr_AdvanceReceiptForFutureMinimumRental        
Total Liabilities 106,274,800us-gaap_Liabilities 78,334,289us-gaap_Liabilities 82,819,793us-gaap_Liabilities   4,446,481us-gaap_Liabilities  
Equity [Abstract]            
Warrants 0us-gaap_WarrantsAndRightsOutstanding 1,370,700us-gaap_WarrantsAndRightsOutstanding        
Capital stock 46,605us-gaap_CommonStockValue 24,156us-gaap_CommonStockValue        
Additional paid-in capital 309,950,440us-gaap_AdditionalPaidInCapital 173,441,019us-gaap_AdditionalPaidInCapital        
Accumulated retained earnings 0us-gaap_RetainedEarningsAccumulatedDeficit 1,580,062us-gaap_RetainedEarningsAccumulatedDeficit        
Accumulated other comprehensive income 453,302us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax 777,403us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax        
Total Equity 337,541,042us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest 205,541,370us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest 210,842,192us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest 98,855,785us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest 91,484,597us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest 90,426,313us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
Total Liabilities and Equity 443,815,842us-gaap_LiabilitiesAndStockholdersEquity 283,875,659us-gaap_LiabilitiesAndStockholdersEquity 293,661,985us-gaap_LiabilitiesAndStockholdersEquity   95,931,078us-gaap_LiabilitiesAndStockholdersEquity  
Parent Company [Member]            
Assets [Abstract]            
Leased property, net of accumulated depreciation of $374,699 and$190,319 4,418,957us-gaap_SaleLeasebackTransactionNetBookValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
4,847,569us-gaap_SaleLeasebackTransactionNetBookValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Leased property held for sale, net of accumulated depreciation of $5,878,933 and $3,600,251 8,247,916corr_DisposalGroupIncludingDiscontinuedOperationAssetsNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
10,526,598corr_DisposalGroupIncludingDiscontinuedOperationAssetsNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Investments 219,883,494us-gaap_TradingSecuritiesEquity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
135,574,270us-gaap_TradingSecuritiesEquity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Cash and cash equivalents 3,599,935us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
16,649,618us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
16,504,354us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
14,289,425us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
  2,738,080us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Due from subsidiary 12,236,050us-gaap_DueFromAffiliates
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
3,972,006us-gaap_DueFromAffiliates
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Note receivable from subsidiary 95,300,000us-gaap_NotesReceivableRelatedParties
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
5,300,000us-gaap_NotesReceivableRelatedParties
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Lease receivable 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
711,229us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Intangible lease asset, net of accumulated amortization of $1,021,784 and $729,847 72,987us-gaap_FiniteLivedIntangibleAssetsNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
364,924us-gaap_FiniteLivedIntangibleAssetsNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Deferred debt issuance costs, net of accumulated amortization of $69,772 and $56,019 1,645,887us-gaap_DeferredFinanceCostsNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
235,693us-gaap_DeferredFinanceCostsNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Deferred lease costs, net of accumulated amortization of $10,808 and $5,490 68,968us-gaap_DeferredCostsLeasingNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
74,286us-gaap_DeferredCostsLeasingNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Income tax receivable 319,122us-gaap_IncomeTaxReceivable
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
512,060us-gaap_IncomeTaxReceivable
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Prepaid expenses and other assets 147,114us-gaap_PrepaidExpenseAndOtherAssetsCurrent
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
156,153us-gaap_PrepaidExpenseAndOtherAssetsCurrent
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Total Assets 345,940,430us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
178,924,406us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Liabilities and Equity [Abstract]            
Accounts payable and other accrued liabilities 1,339,739us-gaap_AccountsPayableAndOtherAccruedLiabilities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
1,035,628us-gaap_AccountsPayableAndOtherAccruedLiabilities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Distributions payable to non-controlling interest 1,164,399corr_Distributionspayaabletononcontrollinginterest
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
695,438corr_Distributionspayaabletononcontrollinginterest
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Lease obligation 274,715us-gaap_AccruedRentCurrentAndNoncurrent
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_AccruedRentCurrentAndNoncurrent
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Line of credit 32,000,000us-gaap_LineOfCredit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_LineOfCredit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Unearned revenue 711,230corr_AdvanceReceiptForFutureMinimumRental
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0corr_AdvanceReceiptForFutureMinimumRental
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Total Liabilities 35,490,083us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
1,731,066us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Equity [Abstract]            
Warrants   1,370,700us-gaap_WarrantsAndRightsOutstanding
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Capital stock   24,156us-gaap_CommonStockValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Additional paid-in capital   173,441,019us-gaap_AdditionalPaidInCapital
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Accumulated retained earnings   1,580,062us-gaap_RetainedEarningsAccumulatedDeficit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Accumulated other comprehensive income   777,403us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Total Equity 310,450,347us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
177,193,340us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Total Liabilities and Equity $ 345,940,430us-gaap_LiabilitiesAndStockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
$ 178,924,406us-gaap_LiabilitiesAndStockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember