Income Taxes Income Taxes (Details 4) (USD $)
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1 Months Ended |
3 Months Ended |
12 Months Ended |
Dec. 31, 2012
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Dec. 31, 2014
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Dec. 31, 2014
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Dec. 31, 2013
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Nov. 30, 2012
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
$ 0.000us-gaap_CommonStockDividendsPerShareDeclared
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$ 0.130us-gaap_CommonStockDividendsPerShareDeclared
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$ 0.514us-gaap_CommonStockDividendsPerShareDeclared
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$ 0.375us-gaap_CommonStockDividendsPerShareDeclared
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$ 0.440us-gaap_CommonStockDividendsPerShareDeclared
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Capital Gain Distribution [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / corr_DividendTypeAxis = corr_CapitalGainDistributionMember
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / corr_DividendTypeAxis = corr_CapitalGainDistributionMember
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / corr_DividendTypeAxis = corr_CapitalGainDistributionMember
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Capital Gain Distribution [Member] | Installment One [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentOneMember / corr_DividendTypeAxis = corr_CapitalGainDistributionMember
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentOneMember / corr_DividendTypeAxis = corr_CapitalGainDistributionMember
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentOneMember / corr_DividendTypeAxis = corr_CapitalGainDistributionMember
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Capital Gain Distribution [Member] | Installment Two [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentTwoMember / corr_DividendTypeAxis = corr_CapitalGainDistributionMember
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentTwoMember / corr_DividendTypeAxis = corr_CapitalGainDistributionMember
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentTwoMember / corr_DividendTypeAxis = corr_CapitalGainDistributionMember
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Capital Gain Distribution [Member] | Installment Three [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentThreeMember / corr_DividendTypeAxis = corr_CapitalGainDistributionMember
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentThreeMember / corr_DividendTypeAxis = corr_CapitalGainDistributionMember
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Capital Gain Distribution [Member] | Installment Four [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentFourMember / corr_DividendTypeAxis = corr_CapitalGainDistributionMember
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentFourMember / corr_DividendTypeAxis = corr_CapitalGainDistributionMember
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentFourMember / corr_DividendTypeAxis = corr_CapitalGainDistributionMember
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Nondividend Distribution [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.1324us-gaap_CommonStockDividendsPerShareDeclared / corr_DividendTypeAxis = corr_NondividendDistributionMember
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$ 0.2133us-gaap_CommonStockDividendsPerShareDeclared / corr_DividendTypeAxis = corr_NondividendDistributionMember
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$ 0.4400us-gaap_CommonStockDividendsPerShareDeclared / corr_DividendTypeAxis = corr_NondividendDistributionMember
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Nondividend Distribution [Member] | Installment One [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.0322us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentOneMember / corr_DividendTypeAxis = corr_NondividendDistributionMember
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentOneMember / corr_DividendTypeAxis = corr_NondividendDistributionMember
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$ 0.1100us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentOneMember / corr_DividendTypeAxis = corr_NondividendDistributionMember
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Nondividend Distribution [Member] | Installment Two [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.0332us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentTwoMember / corr_DividendTypeAxis = corr_NondividendDistributionMember
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$ 0.0883us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentTwoMember / corr_DividendTypeAxis = corr_NondividendDistributionMember
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$ 0.1100us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentTwoMember / corr_DividendTypeAxis = corr_NondividendDistributionMember
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Nondividend Distribution [Member] | Installment Three [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.0335us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentThreeMember / corr_DividendTypeAxis = corr_NondividendDistributionMember
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$ 0.1100us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentThreeMember / corr_DividendTypeAxis = corr_NondividendDistributionMember
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Nondividend Distribution [Member] | Installment Four [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.0335us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentFourMember / corr_DividendTypeAxis = corr_NondividendDistributionMember
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$ 0.1250us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentFourMember / corr_DividendTypeAxis = corr_NondividendDistributionMember
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$ 0.1100us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentFourMember / corr_DividendTypeAxis = corr_NondividendDistributionMember
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Qualified Dividends [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.1848us-gaap_CommonStockDividendsPerShareDeclared / corr_DividendTypeAxis = corr_QualifiedDividendsMember
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$ 0.1617us-gaap_CommonStockDividendsPerShareDeclared / corr_DividendTypeAxis = corr_QualifiedDividendsMember
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / corr_DividendTypeAxis = corr_QualifiedDividendsMember
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Qualified Dividends [Member] | Installment One [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.0450us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentOneMember / corr_DividendTypeAxis = corr_QualifiedDividendsMember
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$ 0.1250us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentOneMember / corr_DividendTypeAxis = corr_QualifiedDividendsMember
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentOneMember / corr_DividendTypeAxis = corr_QualifiedDividendsMember
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Qualified Dividends [Member] | Installment Two [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.0464us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentTwoMember / corr_DividendTypeAxis = corr_QualifiedDividendsMember
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$ 0.0367us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentTwoMember / corr_DividendTypeAxis = corr_QualifiedDividendsMember
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentTwoMember / corr_DividendTypeAxis = corr_QualifiedDividendsMember
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Qualified Dividends [Member] | Installment Three [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.0467us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentThreeMember / corr_DividendTypeAxis = corr_QualifiedDividendsMember
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentThreeMember / corr_DividendTypeAxis = corr_QualifiedDividendsMember
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Qualified Dividends [Member] | Installment Four [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.0467us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentFourMember / corr_DividendTypeAxis = corr_QualifiedDividendsMember
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentFourMember / corr_DividendTypeAxis = corr_QualifiedDividendsMember
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentFourMember / corr_DividendTypeAxis = corr_QualifiedDividendsMember
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Dividend Declared [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.5140us-gaap_CommonStockDividendsPerShareDeclared / corr_DividendTypeAxis = us-gaap_DividendDeclaredMember
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$ 0.3750us-gaap_CommonStockDividendsPerShareDeclared / corr_DividendTypeAxis = us-gaap_DividendDeclaredMember
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$ 0.4400us-gaap_CommonStockDividendsPerShareDeclared / corr_DividendTypeAxis = us-gaap_DividendDeclaredMember
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Dividend Declared [Member] | Installment One [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.1250us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentOneMember / corr_DividendTypeAxis = us-gaap_DividendDeclaredMember
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$ 0.1250us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentOneMember / corr_DividendTypeAxis = us-gaap_DividendDeclaredMember
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$ 0.1100us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentOneMember / corr_DividendTypeAxis = us-gaap_DividendDeclaredMember
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Dividend Declared [Member] | Installment Two [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.1290us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentTwoMember / corr_DividendTypeAxis = us-gaap_DividendDeclaredMember
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$ 0.1250us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentTwoMember / corr_DividendTypeAxis = us-gaap_DividendDeclaredMember
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$ 0.1100us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentTwoMember / corr_DividendTypeAxis = us-gaap_DividendDeclaredMember
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Dividend Declared [Member] | Installment Three [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.1300us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentThreeMember / corr_DividendTypeAxis = us-gaap_DividendDeclaredMember
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$ 0.1100us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentThreeMember / corr_DividendTypeAxis = us-gaap_DividendDeclaredMember
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Dividend Declared [Member] | Installment Four [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.1300us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentFourMember / corr_DividendTypeAxis = us-gaap_DividendDeclaredMember
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$ 0.1250us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentFourMember / corr_DividendTypeAxis = us-gaap_DividendDeclaredMember
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$ 0.1100us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentFourMember / corr_DividendTypeAxis = us-gaap_DividendDeclaredMember
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Ordinary Dividends [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.3816us-gaap_CommonStockDividendsPerShareDeclared / corr_DividendTypeAxis = corr_OrdinaryDividendsMember
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$ 0.1617us-gaap_CommonStockDividendsPerShareDeclared / corr_DividendTypeAxis = corr_OrdinaryDividendsMember
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / corr_DividendTypeAxis = corr_OrdinaryDividendsMember
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Ordinary Dividends [Member] | Installment One [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.0928us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentOneMember / corr_DividendTypeAxis = corr_OrdinaryDividendsMember
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$ 0.1250us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentOneMember / corr_DividendTypeAxis = corr_OrdinaryDividendsMember
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentOneMember / corr_DividendTypeAxis = corr_OrdinaryDividendsMember
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Ordinary Dividends [Member] | Installment Two [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.0958us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentTwoMember / corr_DividendTypeAxis = corr_OrdinaryDividendsMember
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$ 0.0367us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentTwoMember / corr_DividendTypeAxis = corr_OrdinaryDividendsMember
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentTwoMember / corr_DividendTypeAxis = corr_OrdinaryDividendsMember
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Ordinary Dividends [Member] | Installment Three [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.0965us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentThreeMember / corr_DividendTypeAxis = corr_OrdinaryDividendsMember
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentThreeMember / corr_DividendTypeAxis = corr_OrdinaryDividendsMember
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Ordinary Dividends [Member] | Installment Four [Member] |
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Dividends Payable [Line Items] |
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Common Stock, Dividends, Per Share, Declared |
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$ 0.0965us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentFourMember / corr_DividendTypeAxis = corr_OrdinaryDividendsMember
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$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentFourMember / corr_DividendTypeAxis = corr_OrdinaryDividendsMember
|
$ 0.0000us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_DividendsAxis = corr_InstallmentFourMember / corr_DividendTypeAxis = corr_OrdinaryDividendsMember
|