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Investments in Unconsolidated Real Estate - Summary of Investments In Unconsolidated Real Estate Entities (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($) unit	Oct. 02, 2023 unit	Mar. 31, 2023 unit	Dec. 31, 2022 USD ($)
Schedule of Equity Method Investments [Line Items]
Units	1,463
Investments in unconsolidated real estate entities | $	$ 87,592			$ 80,220
Metropolis at Innsbrook
Schedule of Equity Method Investments [Line Items]
Number of units placed in service	172
Number of remaining units placed in service	230
Metropolis at Innsbrook | VIRGINIA
Schedule of Equity Method Investments [Line Items]
Units	402
IRT Ownership Interest	84.80%
Investments in unconsolidated real estate entities | $	$ 17,576			17,331
Views of Music City / The Crockett
Schedule of Equity Method Investments [Line Items]
Number of remaining units placed in service	121		199
Views of Music City / The Crockett | Subsequent Event
Schedule of Equity Method Investments [Line Items]
Number of remaining units placed in service		209
Views of Music City / The Crockett | TENNESSEE
Schedule of Equity Method Investments [Line Items]
Units	408
IRT Ownership Interest	50.00%
Investments in unconsolidated real estate entities | $	$ 11,632			11,363
Lakeline Station | TEXAS
Schedule of Equity Method Investments [Line Items]
Units	378
IRT Ownership Interest	90.00%
Investments in unconsolidated real estate entities | $	$ 31,585			25,292
The Mustang | TEXAS
Schedule of Equity Method Investments [Line Items]
Units	275
IRT Ownership Interest	85.00%
Investments in unconsolidated real estate entities | $	$ 26,799			11,812
Virtuoso
Schedule of Equity Method Investments [Line Items]
IRT Ownership Interest	90.00%
Number of remaining units placed in service	178
Virtuoso | ALABAMA
Schedule of Equity Method Investments [Line Items]
Units	0
IRT Ownership Interest	90.00%
Investments in unconsolidated real estate entities | $	$ 0			$ 14,422

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