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Segment Reporting (Details 2) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014
Segment Reporting [Abstract] |  |
Rental income from real estate assets sold or held for sale, not classified as discontinued operations | $ 1,709 avb_RevenueFromAssetsHeldforSaleNotClassifiedasDiscontinuedOperations | $ 8,266 avb_RevenueFromAssetsHeldforSaleNotClassifiedasDiscontinuedOperations
Operating expenses from real estate assets sold or held for sale, not classified as discontinued operations | (873)avb_OperatingExpensesFromAssetsHeldforSaleNotClassifiedasDiscontinuedOperations | (3,295)avb_OperatingExpensesFromAssetsHeldforSaleNotClassifiedasDiscontinuedOperations
Income (Loss) From Assets Held for Sale, Not Classified as Discontinued Operations | $ 836 avb_DisposalGroupNotDiscontinuedOperationNetOperatingIncomeFromAssetsHeldforSaleNotClassifiedasDiscontinuedOperations | $ 4,971 avb_DisposalGroupNotDiscontinuedOperationNetOperatingIncomeFromAssetsHeldforSaleNotClassifiedasDiscontinuedOperations

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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
Name: | avb_DisposalGroupNotDiscontinuedOperationNetOperatingIncomeFromAssetsHeldforSaleNotClassifiedasDiscontinuedOperations
Namespace Prefix: | avb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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
Name: | avb_OperatingExpensesFromAssetsHeldforSaleNotClassifiedasDiscontinuedOperations
Namespace Prefix: | avb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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- Details
Name: | us-gaap_SegmentReportingAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration