Variable Interest Entities - Narrative (Details) $ in Thousands	6 Months Ended
Jun. 30, 2023 USD ($) apartment	Dec. 31, 2022 USD ($) apartment
Variable Interest Entity [Line Items]
Redeemable noncontrolling interest, equity, preferred, redemption value	$ 28,000
Liabilities	$ 4,160,977	$ 4,155,434
Apartment homes in communities owned by VIEs \| apartment	328
Affiliate of Blackstone Investment
Variable Interest Entity [Line Items]
Percentage of ownership sold to affiliate	20.00%
Mezzanine investment	$ 19,400	20,700
Apartment homes in communities owned by VIEs \| apartment	1,748
Parkmerced Investment
Variable Interest Entity [Line Items]
Mezzanine investment	$ 158,500	$ 158,700
Other Assets
Variable Interest Entity [Line Items]
Redeemable noncontrolling interest, equity, preferred, redemption value	34,600
Affiliate of Blackstone \| Affiliate of Blackstone Investment
Variable Interest Entity [Line Items]
Mezzanine investment	$ 79,000
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Apartment homes in communities owned by VIEs \| apartment	5,041	5,369
Variable Interest Entity, Primary Beneficiary \| Huntington Gateway
Variable Interest Entity [Line Items]
Subsidiary, ownership percentage, parent	30.00%
Liabilities	$ 28,200

Percentage of ownership sold to affiliate.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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The number of units in a real estate property owned as of the balance sheet date.

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Redemption value, as if currently redeemable, of redeemable noncontrolling interest for preferred shares, units or ownership interests classified as temporary equity and the election has been made to accrete changes in redemption value to the earliest redemption date.

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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.

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