Name:	iret_LeaseTransactionAbstract
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Number of agreements signed to sell or dispose off the properties during the period.

No definition available.

Name:	iret_NumberOfAgreementsToDispose
Namespace Prefix:	iret_
Data Type:	xbrli:integerItemType
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Number of real estate properties classified as held for sale.

No definition available.

Name:	iret_NumberOfRealEstatePropertiesClassifiedAsHeldForSale
Namespace Prefix:	iret_
Data Type:	xbrli:integerItemType
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Sale amount of pending disposition.

No definition available.

Name:	iret_SaleAmountOfPendingDisposition
Namespace Prefix:	iret_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- References

No definition available.

Name:	iret_SalesAgreementAbstract
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Data Type:	xbrli:stringItemType
Balance Type:	na
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The amount of a specific compensating balance arrangement that is maintained under an agreement for a bank loan or future credit availability.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20
-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 9

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Weighted average interest rate of debt outstanding.

No definition available.

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Name:	us-gaap_Revenues
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_MortgagesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_ImmediateFamilyMemberOfManagementOrPrincipalOwnerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=iret_SeniorHousingPropertiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: