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Segment Reporting - NOI from real estate assets sold or held for sale (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Segment Reporting [Abstract] |  |  |
Rental income from real estate assets sold or held for sale | $ 42,857 | $ 109,371 | $ 139,880
Operating expenses from real estate assets sold or held for sale | (17,962) | (41,953) | (52,243)
Net operating income from real estate assets sold or held for sale | $ 24,895 | $ 67,418 | $ 87,637

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- Definition Disposal Group, Not Discontinued Operation, Net Operating Income From Assets Held For Sale, Not Classified As Discontinued Operations + References No definition available. + Details
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Period Type: | duration

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- Definition Operating Expenses From Assets Held for Sale, Not Classified as Discontinued Operations + References No definition available. + Details
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- Definition Revenue From Assets Held for Sale, Not Classified as Discontinued Operations + References No definition available. + Details
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Namespace Prefix: | avb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_SegmentReportingAbstract
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Balance Type: | na
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