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Subsequent Events (Details) ft² in Thousands, $ in Thousands | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Feb. 28, 2022 USD ($) home community ft² | Dec. 31, 2021 USD ($) community | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) home | Jan. 31, 2022 USD ($) community home
Subsequent Event [Line Items] |  |  |  |  |
Number of communities held for sale | community |  | 1 |  |  |
Number of apartment homes acquired | home |  |  |  | 1,175 |
Payments to acquire other real estate | $ |  | $ 771,692 | $ 0 | $ 420,517 |
Subsequent Event | Avalon Flatirons |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Number of apartment homes acquired | home | 207 |  |  |  |
Commercial square feet | ft² | 16 |  |  |  |
Payments to acquire other real estate | $ | $ 95,000 |  |  |  |
Subsequent Event | Subsequent Event Dispositions |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Number of communities held for sale | community |  |  |  |  | 2
Number of apartment homes held for sale | home |  |  |  |  | 408
Real estate investment | $ |  |  |  |  | $ 64,984
Subsequent Event | Avalon Ossining |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Number of communities sold | community | 1 |  |  |  |
Number of apartment homes sold | home | 168 |  |  |  |
Gross sales price | $ | $ 70,000 |  |  |  |
Subsequent Event | Avalon West Long Branch |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Number of apartment homes sold | home | 180 |  |  |  |
Gross sales price | $ | $ 75,000 |  |  |  |

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- Definition Commercial Square Feet + References No definition available. + Details
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- Definition Number of Apartment Home Held for Sale + References No definition available. + Details
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- Definition Number of Apartment Homes Acquired + References No definition available. + Details
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- Definition Number of Apartment Homes Sold + References No definition available. + Details
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- Definition Number of Communities Held for Sale + References No definition available. + Details
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- Definition Number of Communities Sold + References No definition available. + Details
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- Definition Represents the gross sales price of real estate assets sold. + References No definition available. + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585 + Details
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- Definition Amount of real estate investments, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; (7) other real estate investments; (8) real estate joint ventures; and (9) unconsolidated real estate and other joint ventures not separately presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(d)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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