Annual report pursuant to Section 13 and 15(d)

CONDENSED FINANCIAL INFORMATION OF REGISTRANT Cash Flows (Details)

v2.4.1.9
CONDENSED FINANCIAL INFORMATION OF REGISTRANT Cash Flows (Details) (USD $)
1 Months Ended 12 Months Ended
Dec. 31, 2012
Dec. 31, 2014
Dec. 31, 2013
Nov. 30, 2012
Net cash provided by operating activities $ 767,370us-gaap_NetCashProvidedByUsedInOperatingActivities $ 16,938,553us-gaap_NetCashProvidedByUsedInOperatingActivities $ 7,708,012us-gaap_NetCashProvidedByUsedInOperatingActivities $ 9,648,492us-gaap_NetCashProvidedByUsedInOperatingActivities
Investing Activities        
Proceeds from sale of long-term investment of trading and other equity securities 26,085,740us-gaap_ProceedsFromSaleOfLongtermInvestments 10,806,879us-gaap_ProceedsFromSaleOfLongtermInvestments 5,580,985us-gaap_ProceedsFromSaleOfLongtermInvestments 9,983,169us-gaap_ProceedsFromSaleOfLongtermInvestments
Issuance of financing notes receivable 0us-gaap_IncreaseDecreaseInNotesReceivables (20,648,714)us-gaap_IncreaseDecreaseInNotesReceivables 0us-gaap_IncreaseDecreaseInNotesReceivables 0us-gaap_IncreaseDecreaseInNotesReceivables
Deferred lease costs (796,649)us-gaap_IncreaseDecreaseInDeferredCharges 0us-gaap_IncreaseDecreaseInDeferredCharges (74,037)us-gaap_IncreaseDecreaseInDeferredCharges 0us-gaap_IncreaseDecreaseInDeferredCharges
Acquisition expenditures (205,706,823)us-gaap_PaymentsToAcquireEquipmentOnLease (168,204,309)us-gaap_PaymentsToAcquireEquipmentOnLease (1,834,036)us-gaap_PaymentsToAcquireEquipmentOnLease (942,707)us-gaap_PaymentsToAcquireEquipmentOnLease
Net cash provided by (used in) investing activities (180,418,153)us-gaap_NetCashProvidedByUsedInInvestingActivities (177,075,793)us-gaap_NetCashProvidedByUsedInInvestingActivities 5,410,219us-gaap_NetCashProvidedByUsedInInvestingActivities 9,013,217us-gaap_NetCashProvidedByUsedInInvestingActivities
Financing Activities        
Debt financing costs (1,391,846)us-gaap_PaymentsOfFinancingCosts (3,269,429)us-gaap_PaymentsOfFinancingCosts (144,798)us-gaap_PaymentsOfFinancingCosts (1,054,302)us-gaap_PaymentsOfFinancingCosts
Net offering proceeds 84,516,780us-gaap_ProceedsFromIssuanceOfCommonStock 141,797,913us-gaap_ProceedsFromIssuanceOfCommonStock (523,094)us-gaap_ProceedsFromIssuanceOfCommonStock 0us-gaap_ProceedsFromIssuanceOfCommonStock
Dividends 0us-gaap_PaymentsOfOrdinaryDividends (15,187,976)us-gaap_PaymentsOfOrdinaryDividends (8,946,941)us-gaap_PaymentsOfOrdinaryDividends (3,919,249)us-gaap_PaymentsOfOrdinaryDividends
Advances on revolving line of credit 530,000us-gaap_ProceedsFromLinesOfCredit 34,676,948us-gaap_ProceedsFromLinesOfCredit 221,332us-gaap_ProceedsFromLinesOfCredit 5,285,000us-gaap_ProceedsFromLinesOfCredit
Common stock issued under directors compensation plan 0us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans 30,000us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans 0us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans 0us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans
Principal payment on credit facility 0us-gaap_RepaymentsOfLongTermDebt (2,940,000)us-gaap_RepaymentsOfLongTermDebt 0us-gaap_RepaymentsOfLongTermDebt (2,188,000)us-gaap_RepaymentsOfLongTermDebt
Net cash provided by (used in) financing activities 182,998,110us-gaap_NetCashProvidedByUsedInFinancingActivities 149,752,138us-gaap_NetCashProvidedByUsedInFinancingActivities (12,835,748)us-gaap_NetCashProvidedByUsedInFinancingActivities (7,121,579)us-gaap_NetCashProvidedByUsedInFinancingActivities
Net Change in Cash and Cash Equivalents 3,347,327us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease (10,385,102)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease 282,483us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease 11,540,130us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and Cash Equivalents at beginning of period 14,333,456us-gaap_CashAndCashEquivalentsAtCarryingValue 17,963,266us-gaap_CashAndCashEquivalentsAtCarryingValue 17,680,783us-gaap_CashAndCashEquivalentsAtCarryingValue 2,793,326us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and Cash Equivalents at end of period 17,680,783us-gaap_CashAndCashEquivalentsAtCarryingValue 7,578,164us-gaap_CashAndCashEquivalentsAtCarryingValue 17,963,266us-gaap_CashAndCashEquivalentsAtCarryingValue 14,333,456us-gaap_CashAndCashEquivalentsAtCarryingValue
Supplemental Cash Flow Information [Abstract]        
Interest paid 2,765us-gaap_InterestPaid 2,762,903us-gaap_InterestPaid 2,651,355us-gaap_InterestPaid 203,611us-gaap_InterestPaid
Income taxes paid (net of refunds) 0us-gaap_IncomeTaxesPaid 3,260,576us-gaap_IncomeTaxesPaid 4,637,068us-gaap_IncomeTaxesPaid 96,000us-gaap_IncomeTaxesPaid
Security proceeds from sale in long-term investment of other equity securities 23,046,215corr_LongTermInvestmentsSold 0corr_LongTermInvestmentsSold 0corr_LongTermInvestmentsSold 26,565,400corr_LongTermInvestmentsSold
Reclassification of prepaid expenses and other assets to deferred lease costs 753,940corr_ReclassificationofPrepaidExpensesandOtherAssetstoDeferredLeaseCosts 0corr_ReclassificationofPrepaidExpensesandOtherAssetstoDeferredLeaseCosts 0corr_ReclassificationofPrepaidExpensesandOtherAssetstoDeferredLeaseCosts 0corr_ReclassificationofPrepaidExpensesandOtherAssetstoDeferredLeaseCosts
Reclassification of prepaid expenses and other assets to acquisition expenditures 181,766corr_ReclassificationofPrepaidExpensesandOtherAssetstoAcquisitionExpenditures 0corr_ReclassificationofPrepaidExpensesandOtherAssetstoAcquisitionExpenditures 0corr_ReclassificationofPrepaidExpensesandOtherAssetstoAcquisitionExpenditures 0corr_ReclassificationofPrepaidExpensesandOtherAssetstoAcquisitionExpenditures
Change in accounts payable and accrued expenses related to deferred lease costs (653,747)corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoDeferredLeaseCosts 0corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoDeferredLeaseCosts (68,417)corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoDeferredLeaseCosts 0corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoDeferredLeaseCosts
Change in accounts payable and accrued expenses related to acquisition expenditures 1,624,680corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoAcquisitionExpenditures 270,615corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoAcquisitionExpenditures (1,545,163)corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoAcquisitionExpenditures 0corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoAcquisitionExpenditures
Reclassification of prepaid expenses and other assets to issuance of equity 617,308corr_ReclassificationofPrepaidExpensesandOtherAssetstoIssuanceofEquity 0corr_ReclassificationofPrepaidExpensesandOtherAssetstoIssuanceofEquity 0corr_ReclassificationofPrepaidExpensesandOtherAssetstoIssuanceofEquity 0corr_ReclassificationofPrepaidExpensesandOtherAssetstoIssuanceofEquity
Reclassification of prepaid expenses and other assets to debt financing costs 436,994corr_ReclassificationofPrepaidExpensesandOtherAssetstoDeferredLoanCosts 0corr_ReclassificationofPrepaidExpensesandOtherAssetstoDeferredLoanCosts 0corr_ReclassificationofPrepaidExpensesandOtherAssetstoDeferredLoanCosts 0corr_ReclassificationofPrepaidExpensesandOtherAssetstoDeferredLoanCosts
Change in accounts payable and accrued expenses related to the issuance of equity 391,322corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoIssuanceofEquity 72,685corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoIssuanceofEquity (523,094)corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoIssuanceofEquity 0corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoIssuanceofEquity
Change in accounts payable and accrued expenses related to debt financing costs (291,667)corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoDebtFinancingCosts (176,961)corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoDebtFinancingCosts 116,383corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoDebtFinancingCosts 0corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoDebtFinancingCosts
Reinvestment of distributions by common stockholders in additional common shares 0us-gaap_ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan 140,108us-gaap_ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan 108,119us-gaap_ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan 121,024us-gaap_ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan
Parent Company [Member]        
Net cash provided by operating activities 223,494us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(2,077,777)us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(8,040,654)us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
9,391,301us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Investing Activities        
Proceeds from sale of long-term investment of trading and other equity securities 26,085,740us-gaap_ProceedsFromSaleOfLongtermInvestments
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_ProceedsFromSaleOfLongtermInvestments
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_ProceedsFromSaleOfLongtermInvestments
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
9,983,169us-gaap_ProceedsFromSaleOfLongtermInvestments
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Issuance of financing notes receivable 0us-gaap_IncreaseDecreaseInNotesReceivables
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(90,000,000)us-gaap_IncreaseDecreaseInNotesReceivables
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_IncreaseDecreaseInNotesReceivables
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_IncreaseDecreaseInNotesReceivables
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Deferred lease costs (796,649)us-gaap_IncreaseDecreaseInDeferredCharges
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_IncreaseDecreaseInDeferredCharges
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_IncreaseDecreaseInDeferredCharges
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_IncreaseDecreaseInDeferredCharges
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Investment in consolidated subsidiaries (108,300,100)us-gaap_PaymentsForProceedsFromBusinessesAndInterestInAffiliates
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_PaymentsForProceedsFromBusinessesAndInterestInAffiliates
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_PaymentsForProceedsFromBusinessesAndInterestInAffiliates
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_PaymentsForProceedsFromBusinessesAndInterestInAffiliates
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Proceeds from Equity Method Investment, Dividends or Distributions 483,346us-gaap_EquityMethodInvestmentDividendsOrDistributions
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
18,559,328us-gaap_EquityMethodInvestmentDividendsOrDistributions
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
19,337,911us-gaap_EquityMethodInvestmentDividendsOrDistributions
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
281,133us-gaap_EquityMethodInvestmentDividendsOrDistributions
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Acquisition expenditures 2,318us-gaap_PaymentsToAcquireEquipmentOnLease
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(96,570,263)us-gaap_PaymentsToAcquireEquipmentOnLease
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(1,651,956)us-gaap_PaymentsToAcquireEquipmentOnLease
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(942,707)us-gaap_PaymentsToAcquireEquipmentOnLease
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Net cash provided by (used in) investing activities (82,525,345)us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(168,010,935)us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
17,685,955us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
9,321,595us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Financing Activities        
Debt financing costs 0us-gaap_PaymentsOfFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(1,600,908)us-gaap_PaymentsOfFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(30,002)us-gaap_PaymentsOfFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(1,054,302)us-gaap_PaymentsOfFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Net offering proceeds 84,516,780us-gaap_ProceedsFromIssuanceOfCommonStock
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
141,797,913us-gaap_ProceedsFromIssuanceOfCommonStock
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(523,094)us-gaap_ProceedsFromIssuanceOfCommonStock
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_ProceedsFromIssuanceOfCommonStock
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Dividends 0us-gaap_PaymentsOfOrdinaryDividends
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(15,187,976)us-gaap_PaymentsOfOrdinaryDividends
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(8,946,941)us-gaap_PaymentsOfOrdinaryDividends
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(3,919,249)us-gaap_PaymentsOfOrdinaryDividends
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Advances on revolving line of credit 0us-gaap_ProceedsFromLinesOfCredit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
32,000,000us-gaap_ProceedsFromLinesOfCredit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_ProceedsFromLinesOfCredit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_ProceedsFromLinesOfCredit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Common stock issued under directors compensation plan 0us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
30,000us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Principal payment on credit facility 0us-gaap_RepaymentsOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_RepaymentsOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_RepaymentsOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(2,188,000)us-gaap_RepaymentsOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Net cash provided by (used in) financing activities 84,516,780us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
157,039,029us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(9,500,037)us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(7,161,551)us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Net Change in Cash and Cash Equivalents 2,214,929us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(13,049,683)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
145,264us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
11,551,345us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Cash and Cash Equivalents at beginning of period 14,289,425us-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
2,738,080us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Cash and Cash Equivalents at end of period 16,504,354us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
3,599,935us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
16,649,618us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
14,289,425us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Supplemental Cash Flow Information [Abstract]        
Interest paid 2,765us-gaap_InterestPaid
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_InterestPaid
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_InterestPaid
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
176,595us-gaap_InterestPaid
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Income taxes paid (net of refunds) 0us-gaap_IncomeTaxesPaid
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
192,938us-gaap_IncomeTaxesPaid
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
3,761,161us-gaap_IncomeTaxesPaid
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
96,000us-gaap_IncomeTaxesPaid
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Security proceeds from sale in long-term investment of other equity securities 23,046,215corr_LongTermInvestmentsSold
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0corr_LongTermInvestmentsSold
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0corr_LongTermInvestmentsSold
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
26,565,400corr_LongTermInvestmentsSold
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Reclassification of prepaid expenses and other assets to deferred lease costs 753,940corr_ReclassificationofPrepaidExpensesandOtherAssetstoDeferredLeaseCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0corr_ReclassificationofPrepaidExpensesandOtherAssetstoDeferredLeaseCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0corr_ReclassificationofPrepaidExpensesandOtherAssetstoDeferredLeaseCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0corr_ReclassificationofPrepaidExpensesandOtherAssetstoDeferredLeaseCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Reclassification of prepaid expenses and other assets to acquisition expenditures 188,766corr_ReclassificationofPrepaidExpensesandOtherAssetstoAcquisitionExpenditures
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0corr_ReclassificationofPrepaidExpensesandOtherAssetstoAcquisitionExpenditures
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0corr_ReclassificationofPrepaidExpensesandOtherAssetstoAcquisitionExpenditures
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0corr_ReclassificationofPrepaidExpensesandOtherAssetstoAcquisitionExpenditures
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Change in accounts payable and accrued expenses related to deferred lease costs (704,164)corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoDeferredLeaseCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoDeferredLeaseCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoDeferredLeaseCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoDeferredLeaseCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Change in accounts payable and accrued expenses related to acquisition expenditures 1,560,993corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoAcquisitionExpenditures
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(344,065)corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoAcquisitionExpenditures
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(1,407,724)corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoAcquisitionExpenditures
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoAcquisitionExpenditures
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Reclassification of prepaid expenses and other assets to issuance of equity 617,308corr_ReclassificationofPrepaidExpensesandOtherAssetstoIssuanceofEquity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0corr_ReclassificationofPrepaidExpensesandOtherAssetstoIssuanceofEquity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0corr_ReclassificationofPrepaidExpensesandOtherAssetstoIssuanceofEquity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0corr_ReclassificationofPrepaidExpensesandOtherAssetstoIssuanceofEquity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Reclassification of prepaid expenses and other assets to debt financing costs 436,994corr_ReclassificationofPrepaidExpensesandOtherAssetstoDeferredLoanCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0corr_ReclassificationofPrepaidExpensesandOtherAssetstoDeferredLoanCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0corr_ReclassificationofPrepaidExpensesandOtherAssetstoDeferredLoanCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0corr_ReclassificationofPrepaidExpensesandOtherAssetstoDeferredLoanCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Change in accounts payable and accrued expenses related to the issuance of equity 391,322corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoIssuanceofEquity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
72,685corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoIssuanceofEquity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(523,094)corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoIssuanceofEquity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoIssuanceofEquity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Change in accounts payable and accrued expenses related to debt financing costs (395,284)corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoDebtFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(176,961)corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoDebtFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
220,000corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoDebtFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0corr_IncreaseDecreaseinAccountsPayableandAccruedExpensesRelatedtoDebtFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Reinvestment of distributions by common stockholders in additional common shares $ 0us-gaap_ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
  $ 108,119us-gaap_ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
$ 121,024us-gaap_ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember