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Investments in Partially Owned Entities - Summary of Company's Consolidated Joint Ventures (Details) | Dec. 31, 2023 ApartmentUnit Project Property | Dec. 31, 2022 ApartmentUnit Property Project
--- | --- | ---
Variable Interest Entity [Line Items] |  |
Properties | Property | 302 |
Project | Project | 1 |
Apartment units | 80,191 |
Consolidated VIE [Member] | Operating Properties [Member] |  |
Variable Interest Entity [Line Items] |  |
Properties | Property | 14 | 15
Apartment units | 3,060 | 3,114
Consolidated VIE [Member] | Projects Under Development [Member] |  |
Variable Interest Entity [Line Items] |  |
Project | Project |  | 1
Apartment units |  | 312
Consolidated VIE [Member] | Projects Held for Development [Member] |  |
Variable Interest Entity [Line Items] |  |
Project | Project | 1 |
Apartment units | 440 |

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