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Note 3 - Investments in Real Estate (Details Textual) $ in Thousands	3 Months Ended
	Sep. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)
Number of Properties, Multifamily Apartments	115
Number of Consolidated Properties, Multifamily Apartments	1
Number of Units in Real Estate Property	33,818
Ridge Crossings [Member]
Impairment of Real Estate		$ 20,928
Bella Terra at City Center [Member]
Impairment of Real Estate	$ 12,841

X

- Definition

The number of consolidated properties classified as multifamily apartments.

+ References

No definition available.

+ Details

Name:	irt_NumberOfConsolidatedPropertiesMultifamilyApartments
Namespace Prefix:	irt_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The number of properties classified as multifamily apartments.

+ References

No definition available.

+ Details

Name:	irt_NumberOfPropertiesMultifamilyApartments
Namespace Prefix:	irt_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The charge against earnings in the period to reduce the carrying amount of real property to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-2

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The number of units in a real estate property owned as of the balance sheet date.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
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X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: