XML 72 R41.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Investments in Real Estate - Additional Information (Detail) | Dec. 31, 2021 Property
--- | ---
Real Estate Properties [Line Items] |
Number of multifamily properties owned | 123
Number of properties acquired (unaudited) | 68
Number of units in real estate property acquired | 21,394
Held-for-Sale |
Real Estate Properties [Line Items] |
Number of multifamily properties owned | 4

X
- Definition Number of real estate property acquired. + References No definition available. + Details
Name: | irt_NumberOfRealEstatePropertyAcquired
Namespace Prefix: | irt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of units in real estate property acquired in business combination. + References No definition available. + Details
Name: | irt_NumberOfUnitsInRealEstatePropertyAcquiredInBusinessCombination
Namespace Prefix: | irt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfRealEstateProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
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 No definition available. + Details
Name: | us-gaap_RealEstatePropertiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |