XML 44 R31.htm IDEA: XBRL DOCUMENT
v3.5.0.2

ORGANIZATION (Details) ft² in Millions | Jul. 31, 2016 ft² item property
--- | ---
Real Estate Properties [Line Items] |
Percentage of ordinary taxable income that must be distributed to shareholders (in hundredths) | 90.00%
Medical Property [Member] |
Real Estate Properties [Line Items] |
Number of real estate properties | 31
Net rentable area (in square feet) | ft² | 2.8
Medical Property [Member] | Discontinued Operations, Held-for-sale [Member] |
Real Estate Properties [Line Items] |
Number of real estate properties | 35
Other Property [Member] |
Real Estate Properties [Line Items] |
Number of real estate properties | 16
Multi-family Residential Properties [Member] |
Real Estate Properties [Line Items] |
Number of real estate properties | 100
Number of apartment units owned | item | 13,012
Multi-family Residential Properties [Member] | Discontinued Operations, Held-for-sale [Member] |
Real Estate Properties [Line Items] |
Number of real estate properties | 1
Unimproved Land [Member] | Discontinued Operations, Held-for-sale [Member] |
Real Estate Properties [Line Items] |
Number of real estate properties | 2

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- Definition The percentage of ordinary taxable income that the entity is required to distribute to shareholders. + References No definition available. + Details
Name: | iret_PercentageOfOrdinaryTaxableIncomeThatMustBeDistributedToShareholders
Namespace Prefix: | iret_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Net rentable area for properties owned. + References No definition available. + Details
Name: | us-gaap_NetRentableArea
Namespace Prefix: | us-gaap_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

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- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfRealEstateProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition The number of units in a real estate property owned as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfUnitsInRealEstateProperty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RealEstatePropertiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=iret_MedicalPropertyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsHeldforsaleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_OtherPropertyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_RealEstatePropertiesAxis=us-gaap_ResidentialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_RealEstatePropertiesAxis=iret_UnimprovedLandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |