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Note 3 - Investments in Real Estate (Details Textual) | Jun. 30, 2026
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Number of Properties, Multifamily Apartments | 116
Number of Consolidated Properties, Multifamily Apartments | 1
Number of Units in Real Estate Property | 33,898
Number of Units in Real Estate Property Disposed | 0

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- Definition The number of consolidated properties classified as multifamily apartments. + References No definition available. + Details
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Balance Type: | na
Period Type: | instant

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- Definition The number of properties classified as multifamily apartments. + References No definition available. + Details
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Namespace Prefix: | irt_
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Balance Type: | na
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- Definition Represents the number of units in real estate property disposed of as of a given date. + References No definition available. + Details
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Namespace Prefix: | irt_
Data Type: | xbrli:integerItemType
Balance Type: | na
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X
- Definition The number of units in a real estate property owned as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-2 + Details
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