The strike rate for the derivative.

No definition available.

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- Definition

Cap rate on an interest rate derivative such as an interest rate cap or collar. If market rates exceed the cap rate, a payment or receipt is triggered on the contract.

+ References

No definition available.

+ Details

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- Definition

Floor rate on an interest rate derivative such as an interest rate floor or collar. If market rates falls below the floor rate, a payment or receipt is triggered on the contract.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480870/815-30-50-1

+ Details

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

- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 181
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480401/815-10-55-181

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A

+ Details

Name:	us-gaap_DerivativeNotionalAmount
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Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of net gains or losses on interest rate cash flow hedges reclassified during the period to earnings from accumulated other comprehensive income upon the hedged transaction affecting earnings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4C
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember
Namespace Prefix:
Data Type:	na
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Period Type:

- Details

Name:	us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=irt_ForwardInterestRateSwapMember
Namespace Prefix:
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- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix:
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- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=irt_InterestRateCollarsMember
Namespace Prefix:
Data Type:	na
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- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=irt_ForwardInterestRateCollarsMember
Namespace Prefix:
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Note 6 - Derivative Financial Instruments (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Aug. 06, 2025	Mar. 14, 2025	Nov. 17, 2024	Mar. 16, 2023	Dec. 07, 2022	Mar. 02, 2020	Sep. 05, 2019	Jun. 05, 2019
Cash Flow Hedging [Member]
Derivative, Notional Amount	$ 950,000	$ 700,000
Designated as Hedging Instrument [Member] \| Cash Flow Hedging [Member]
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	13,036	19,730	$ 19,189
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred	5,572
Forward Interest Rate Swap [Member] \| Cash Flow Hedging [Member]
Derivative, Notional Amount	150,000	0
Forward Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member]
Derivative, Notional Amount				$ 150,000
Derivative, Strike Rate				3.26%
Interest Rate Swap [Member] \| Cash Flow Hedging [Member]
Derivative, Notional Amount	600,000	500,000
Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member]
Derivative, Notional Amount					$ 100,000		$ 200,000		$ 150,000	$ 150,000
Derivative, Strike Rate					3.96%		3.39%		0.985%		2.176%
Interest Rate Collars [Member] \| Cash Flow Hedging [Member]
Derivative, Notional Amount	$ 200,000	$ 200,000
Interest Rate Collars [Member] \| Designated as Hedging Instrument [Member]
Derivative, Notional Amount								$ 200,000
Derivative, Cap Interest Rate								2.50%
Derivative, Floor Interest Rate								1.50%
Forward Interest Rate Collars [Member] \| Cash Flow Hedging [Member]
Derivative, Notional Amount						$ 100,000