Business Segments - Narrative (Details)	9 Months Ended
Sep. 30, 2023 property apartment Segment	Dec. 31, 2022 property
Segment Reporting Information [Line Items]
Number of reportable segments \| Segment	2
Other Real Estate
Segment Reporting Information [Line Items]
Apartment communities owned by VIEs	12
Apartment homes in communities owned by VIEs \| apartment	3,829
Expect to Sell or Lease to Third Party
Segment Reporting Information [Line Items]
Apartment communities owned by VIEs	4
Same Store
Segment Reporting Information [Line Items]
Apartment communities owned by VIEs	63
Apartment homes in communities owned by VIEs \| apartment	22,794
Wholly Owned Consolidated Properties \| Other Real Estate
Segment Reporting Information [Line Items]
Apartment communities owned by VIEs	4	4

The number of real estate properties owned as of the balance sheet date.

No definition available.

Name:	us-gaap_NumberOfRealEstateProperties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-18

+ Details

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Period Type:	duration

- 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_
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- 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

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- Details

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Namespace Prefix:
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- Details

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- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=airc_SameStoreMember
Namespace Prefix:
Data Type:	na
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- Details

Name:	us-gaap_RealEstatePropertiesAxis=airc_WhollyOwnedConsolidatedPropertiesMember
Namespace Prefix:
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