XML 78 R57.htm IDEA: XBRL DOCUMENT v3.24.0.1

Derivative Financial Instruments - Schedule of Aggregate Amount and Estimated Net Fair Value of Derivative Instruments (Detail) - Cash Flow Hedge - USD ($)	Dec. 31, 2023	Mar. 16, 2023	Dec. 31, 2022	Mar. 02, 2020	May 09, 2019	Nov. 30, 2018	Oct. 17, 2018	Nov. 17, 2017
Derivative Instruments Gain Loss [Line Items]
Notional	$ 950,000,000		$ 750,000,000
Fair Value of Assets	29,937,000		41,109,000
Fair Value of Liabilities	0		0
Interest rate swaps
Derivative Instruments Gain Loss [Line Items]
Notional	500,000,000		300,000,000		$ 150,000,000
Fair Value of Assets	20,090,000		26,099,000
Fair Value of Liabilities	0		0
Interest rate collars
Derivative Instruments Gain Loss [Line Items]
Notional	250,000,000		250,000,000			$ 150,000,000	$ 100,000,000	$ 100,000,000
Fair Value of Assets	2,700,000		8,317,000
Fair Value of Liabilities	0		0
Forward interest rate collars
Derivative Instruments Gain Loss [Line Items]
Notional	200,000,000	$ 200,000,000	200,000,000	$ 150,000,000
Fair Value of Assets	7,147,000		6,693,000
Fair Value of Liabilities	$ 0		$ 0

X

- Definition

Fair value of all asset derivatives designated as cash flow hedging instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4B

+ Details

Name:	us-gaap_CashFlowHedgeDerivativeInstrumentAssetsAtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Fair value of all liability derivatives designated as cash flow hedging instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4B

+ Details

Name:	us-gaap_CashFlowHedgeDerivativeInstrumentLiabilitiesAtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4E
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4E

+ Details

Name:	us-gaap_DerivativeInstrumentsGainLossLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: 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 2: 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
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- Details

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

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=irt_InterestRateCollarMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=irt_ForwardInterestRateSwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: