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Commercial Square Feet

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Represents the number of unconsolidated real estate entities in which the entity had investments as of the balance sheet date.

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Income (Loss) From Equity Method Investments Due To Recognition Of Promoted Interest

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Number Of Apartment Homes Acquired

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Number of Apartment Homes Sold

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Number Of Communities Acquired

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Number Of Communities Sold

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Other Commitment, Number Of Mezzanine Loans

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Other Commitment, Outstanding Funding

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of gain (loss) on sale or disposal of an equity method investment.

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The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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The charge against earnings in the period to reduce the carrying amount of real property to fair value.

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Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

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Amount of income (expense) related to nonoperating activities, classified as other.

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The cash outflow associated with the purchase of other real estate investments held by the entity for investment purposes not otherwise defined in the taxonomy.

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Cash received for the sale of real estate that is not part of an investing activity during the current period.

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The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

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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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Investments - Narrative (Details) ft² in Thousands	3 Months Ended		9 Months Ended
Investments - Narrative (Details) ft² in Thousands	Sep. 30, 2022 USD ($) ft² entity loan	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) home entity ft² community loan	Sep. 30, 2021 USD ($)
Equity method investment
Number of communities acquired \| community			3
Payments to acquire other real estate			$ 459,695,000	$ 392,746,000
Number of mezzanine loans \| loan	3		3
Initial commitment for mezzanine loan	$ 92,375,000		$ 92,375,000
Outstanding funding on mezzanine loans	15,514,000		15,514,000
Nonoperating expense related to development pursuits	(6,514,000)	$ (417,000)	(9,865,000)	(1,900,000)
Impairment losses on long-lived assets	0	0	0	0
Casualty and impairment loss	0	1,940,000	0	3,117,000
Other than temporary losses on investments	$ 0	0	0	0
Pacific Northwest
Equity method investment
Write off of acquisition related costs related to a development right that is no longer probable			5,335,000
Hurricane \| East Coast
Equity method investment
Casualty and impairment loss		1,971,000		1,971,000
Fire
Equity method investment
Casualty and impairment loss				1,146,000
Avalon Grosvenor Tower \| Notes payable maturing in 2022 \| Secured Debt
Equity method investment
Repayments of secured debt			39,060,000
Avalon Studio 4121 \| Notes payable maturing in 2022 \| Secured Debt
Equity method investment
Repayments of secured debt			25,768,000
Avalon Station 250 \| Notes payable maturing in 2022 \| Secured Debt
Equity method investment
Repayments of secured debt			$ 50,385,000
Avalon Flatirons
Equity method investment
Number of apartment homes acquired \| home			207
Square feet of commercial space \| ft²	16		16
Payments to acquire other real estate			$ 95,000,000
Waterford Court
Equity method investment
Number of apartment homes acquired \| home			196
Payments to acquire other real estate			$ 69,500,000
Avalon Miramar Park Place
Equity method investment
Number of apartment homes acquired \| home			650
Payments to acquire other real estate			$ 295,000,000
The Park Loggia
Equity method investment
Proceeds from sale of real estate	$ 38,991,000		$ 120,328,000
Square feet of commercial space \| ft²	66		66
Casualty and impairment loss	$ 0	0	$ 0	0
Land Parcel
Equity method investment
Casualty and impairment loss	$ 0	$ 0	$ 0	$ 0
Unconsolidated real estate entities
Equity method investment
Number of unconsolidated real estate entities \| entity	7		7
US Fund
Equity method investment
Ownership percentage	28.60%		28.60%
Number of communities sold \| community			3
Income from equity method investments due to recognition of promoted interest	$ (4,690,000)
US Fund \| Avalon Grosvenor Tower
Equity method investment
Number of apartment homes sold \| home			237
Proceeds from sale of real estate			$ 95,250,000
Gain on disposal of equity method investment			$ (9,187,000)
US Fund \| Avalon Studio 4121
Equity method investment
Number of apartment homes sold \| home			149
Proceeds from sale of real estate			$ 76,000,000
Gain on disposal of equity method investment			$ (9,236,000)
US Fund \| Avalon Station 250
Equity method investment
Number of apartment homes sold \| home			285
Proceeds from sale of real estate			$ 142,250,000
Gain on disposal of equity method investment			$ (19,639,000)
Minimum \| Unconsolidated real estate entities
Equity method investment
Ownership percentage	20.00%		20.00%
Maximum \| Unconsolidated real estate entities
Equity method investment
Ownership percentage	50.00%		50.00%