Business - Ownership Breakdown (Details)	Sep. 30, 2023 Property ApartmentUnit
Property/Unit schedule
Properties \| Property	305
Apartment Units \| ApartmentUnit	80,683
Wholly Owned Properties
Property/Unit schedule
Properties \| Property	291
Apartment Units \| ApartmentUnit	77,623
Partially Owned Properties - Consolidated
Property/Unit schedule
Properties \| Property	14
Apartment Units \| ApartmentUnit	3,060

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.

No definition available.

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