XML 73 R58.htm IDEA: XBRL DOCUMENT
v3.8.0.1

COMMITMENTS AND CONTINGENCIES (Details) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Apr. 30, 2018 USD ($) property unit joint_venture | Jun. 27, 2018 USD ($) | Apr. 30, 2017 USD ($)
Real Estate Properties [Line Items] |  |  |
Number of real estate properties | property | 99 |  |
Redemption basis | 1 |  |
Number of consecutive trading days for valuation | 10 days |  |
Aggregate redemption value of Units of operating partnership owned by limited partners | $ 74.7 |  | $ 95.1
Number of joint ventures with buy sell options | joint_venture | 1 |  |
Subsequent Event [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Undeferred taxable capital gains |  | $ 30.0 |
Subject to Restrictions on Taxable Dispositions [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Number of real estate properties | property | 26 |  |
Number of apartment homes (approximately) | unit | 4,266 |  |
Real estate investment amount of properties (net of accumulated depreciation) | $ 558.6 |  |
Southgate - Minot, ND [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Commitment period for joint venture acquisition | 4 years |  |

X
- Definition The commitment period compelling the entity to acquire the interest of the other parties of the joint venture. + References No definition available. + Details
Name: | iret_CommitmentPeriodForJointVentureAcquisition
Namespace Prefix: | iret_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of consecutive trading days for valuation. + References No definition available. + Details
Name: | iret_NumberOfConsecutiveTradingDaysForValuation
Namespace Prefix: | iret_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of joint ventures with a buy/sell option compelling the entity to acquire the interest of the other parties over a specified term. + References No definition available. + Details
Name: | iret_NumberOfJointVenturesWithBuySellOptions
Namespace Prefix: | iret_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The redemption value of UPREIT Units during the period. + References No definition available. + Details
Name: | iret_RedemptionValueOfUpreitUnits
Namespace Prefix: | iret_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The number of limited partners' units to be redeemed in exchange for a number of common shares upon exercise of the redemption option by the limited partners. + References No definition available. + Details
Name: | iret_Redemptionbasis
Namespace Prefix: | iret_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Undeferred Taxable Capital Gains + References No definition available. + Details
Name: | iret_UndeferredTaxableCapitalGains
Namespace Prefix: | iret_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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

X
- 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

X
- Definition Amount of real estate investments, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; (7) other real estate investments; (8) real estate joint ventures; and (9) unconsolidated real estate and other joint ventures not separately presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(d)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_RealEstateInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis=iret_SubjectToRestrictionsOnTaxableDispositionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=iret_SouthgateMinotNdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |