BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES, Reclassifications, Proceeds from Financing Liability and Variable Interest Entity (Details)
$ in Millions |
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3 Months Ended |
9 Months Ended |
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Jun. 12, 2014
Partners
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Nov. 27, 2012 |
Jul. 31, 2015
Property
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Jul. 31, 2014
USD ($)
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Jan. 31, 2016
USD ($)
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Jul. 30, 2014
USD ($)
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| Proceeds from Financing Liability [Abstract] |
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| Proceeds from sale of property |
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$ 7.9
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| Contract for deed |
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$ 29.0
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| Sale lease-back recorded in other liabilities |
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$ 7.9
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| Financing liability balance |
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$ 7.9
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| Commercial Office [Member] |
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| Reclassifications [Abstract] |
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| Number of real estate properties classified as held for sale in discontinued operations | Property |
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48
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| Commercial Retail Properties [Member] |
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| Reclassifications [Abstract] |
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| Number of real estate properties classified as held for sale in discontinued operations | Property |
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17
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| Commercial Healthcare [Member] |
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| Reclassifications [Abstract] |
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| Number of real estate properties classified as held for sale in discontinued operations | Property |
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1
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| IRET - Minot Apartments, LLC [Member] |
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| Variable Interest Entity [Line Items] |
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| Percentage of ownership in VIE |
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51.00%
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| IRET - Minot Apartments, LLC [Member] | Third Party Debt [Member] |
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| Variable Interest Entity [Line Items] |
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| Percentage of project financed |
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69.00%
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| IRET - Minot Apartments, LLC [Member] | Debt from IRET [Member] |
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| Variable Interest Entity [Line Items] |
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| Percentage of project financed |
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7.00%
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| IRET - Minot Apartments, LLC [Member] | Real Estate Development Company [Member] |
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| Variable Interest Entity [Line Items] |
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| Percentage of ownership in VIE |
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49.00%
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| IRET - 71 France, LLC [Member] |
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| Variable Interest Entity [Line Items] |
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| Estimated total costs of joint venture project |
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$ 73.3
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| Number of other partners in joint venture | Partners |
2
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| Percentage of ownership in VIE |
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52.60%
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| Threshold in-service period of project |
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24 months
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| IRET - 71 France, LLC [Member] | Third Party Debt [Member] |
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| Variable Interest Entity [Line Items] |
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| Percentage of project financed |
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69.00%
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| IRET - 71 France, LLC [Member] | Debt from IRET [Member] |
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| Variable Interest Entity [Line Items] |
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| Percentage of project financed |
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7.00%
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| IRET - 71 France, LLC [Member] | Real Estate Development Company [Member] |
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| Variable Interest Entity [Line Items] |
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| Percentage of ownership in VIE |
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47.40%
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