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Organization, Basis of Presentation and Significant Accounting Policies (Details) | Mar. 31, 2015 state home community
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Organization and Basis of Presentation |
Number of operating apartment communities | 254 us-gaap_NumberOfRealEstateProperties
Number of apartment homes included in operating apartment communities owned | 74,178 us-gaap_NumberOfUnitsInRealEstateProperty
Number of states where operating apartment communities owned are located | 11 us-gaap_NumberOfStatesInWhichEntityOperates
Number of communities with apartments under reconstruction | 7 avb_NumberOfCommunitiesWithApartmentsUnderReconstruction
Number of apartment homes under reconstruction | 2,734 avb_NumberOfApartmentHomesUnderReconstruction
Number of owned communities under construction | 25 avb_NumberOfOwnedCommunitiesUnderConstruction
Expected number of apartment homes under construction | 7,428 avb_ExpectedAggregateNumberOfApartmentHomesToBeConstructed
Communities under development rights | 35 avb_AdditionalNumberofCommunitiesExpectedToBeDeveloped
Estimated number of apartment homes in communities to be developed | 9,985 avb_EstimatedNumberOfApartmentHomesInCommunitiesExpectedToBeDeveloped

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- Definition Additional number of communities owned (or in which a direct or indirect ownership interest is held) that can be expected to be developed. + References No definition available. + Details
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Data Type: | xbrli:integerItemType
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- Definition Estimated number of apartment homes in communities awaiting development. + References No definition available. + Details
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- Definition Expected aggregate number of homes to be constructed. + References No definition available. + Details
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- Definition Number of apartment homes under reconstruction within communities with apartments under reconstruction. + References No definition available. + Details
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- Definition Number of communities with apartments under reconstruction. + References No definition available. + Details
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- Definition Number of owned communities (or where a direct or indirect interest is owned) that are under construction. + References No definition available. + Details
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Namespace Prefix: | avb_
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- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
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- Definition The number of states the entity operates in as of the balance sheet date. + References No definition available. + Details
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Balance Type: | na
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- Definition The number of units in a real estate property owned as of the balance sheet date. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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- Details
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