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Fair Value of Other Securities (Details) (Level 2 [Member], USD $)
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Dec. 31, 2014
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Level 2 [Member]
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
| Financing Notes Receivable Fair Value Disclosure |
$ 20,687,962corr_FinancingNotesReceivableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member |
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- Definition
Financing Notes Receivable Fair Value Disclosure No definition available.
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- Details
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