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v2.4.1.9

Real Estate Disposition Activities (Details) (USD $) In Thousands, unless otherwise specified | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2014 community | Dec. 31, 2014 home community | Dec. 31, 2013 home | Dec. 31, 2012 home
Summary of income from discontinued operations |  |  |  |
Number of communities sold | 8 avb_NumberofApartmentCommunitiesSold | 4 avb_NumberofApartmentCommunitiesSold |  |
Apartment homes |  | 1,337 avb_NumberOfApartmentHomesSold | 3,299 avb_NumberOfApartmentHomesSold | 1,578 avb_NumberOfApartmentHomesSold
Sale of Communities Gross Sales Price |  | $ 296,200 avb_SaleofCommunitiesGrossSalesPrice |  |
Gain (loss) on sale of real estate assets |  | 255,300 us-gaap_GainLossOnSaleOfProperties | 278,471 us-gaap_GainLossOnSaleOfProperties | 146,591 us-gaap_GainLossOnSaleOfProperties
Number of apartment communities sold that were owned through a TRS |  | 1 avb_NumberofApartmentCommunitiesSoldOwnedThroughATRS |  |
Income tax expense |  | 9,368 us-gaap_IncomeTaxExpenseBenefit | 0 us-gaap_IncomeTaxExpenseBenefit | 0 us-gaap_IncomeTaxExpenseBenefit
Repayments of secured mortgages |  | 16,341 us-gaap_RepaymentsOfSecuredDebt | 0 us-gaap_RepaymentsOfSecuredDebt | 0 us-gaap_RepaymentsOfSecuredDebt
Gross sales price |  | 304,250 avb_SaleOfRealEstateGrossSalesPrice | 932,800 avb_SaleOfRealEstateGrossSalesPrice | 280,550 avb_SaleOfRealEstateGrossSalesPrice
Net proceeds |  | 281,125 us-gaap_ProceedsFromSaleOfRealEstate | 919,442 us-gaap_ProceedsFromSaleOfRealEstate | 274,018 us-gaap_ProceedsFromSaleOfRealEstate
Number of communities held for sale |  | 1 avb_NumberOfCommunitiesHeldForSale |  |
Avalon Valley |  |  |  |
Summary of income from discontinued operations |  |  |  |
Apartment homes |  | 268 avb_NumberOfApartmentHomesSold / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = avb_AvalonValleyMember |  |
Gross sales price |  | 53,325 avb_SaleOfRealEstateGrossSalesPrice / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = avb_AvalonValleyMember |  |
Net proceeds |  | 52,147 us-gaap_ProceedsFromSaleOfRealEstate / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = avb_AvalonValleyMember |  |
Oakwood Philadelphia |  |  |  |
Summary of income from discontinued operations |  |  |  |
Apartment homes |  | 80 avb_NumberOfApartmentHomesSold / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = avb_OakwoodPhiladelphiaMember |  |
Repayments of secured mortgages |  | 16,341 us-gaap_RepaymentsOfSecuredDebt / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = avb_OakwoodPhiladelphiaMember |  |
Gross sales price |  | 28,875 avb_SaleOfRealEstateGrossSalesPrice / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = avb_OakwoodPhiladelphiaMember |  |
Net proceeds |  | 10,932 us-gaap_ProceedsFromSaleOfRealEstate / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = avb_OakwoodPhiladelphiaMember |  |
Avalon Danvers |  |  |  |
Summary of income from discontinued operations |  |  |  |
Apartment homes |  | 433 avb_NumberOfApartmentHomesSold / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = avb_AvalonDanversMember |  |
Gross sales price |  | 108,500 avb_SaleOfRealEstateGrossSalesPrice / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = avb_AvalonDanversMember |  |
Net proceeds |  | 107,231 us-gaap_ProceedsFromSaleOfRealEstate / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = avb_AvalonDanversMember |  |
Archstone Memorial Heights |  |  |  |
Summary of income from discontinued operations |  |  |  |
Apartment homes |  | 556 avb_NumberOfApartmentHomesSold / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = avb_ArchstoneMemorialHeightsMember |  |
Gross sales price |  | 105,500 avb_SaleOfRealEstateGrossSalesPrice / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = avb_ArchstoneMemorialHeightsMember |  |
Net proceeds |  | 103,182 us-gaap_ProceedsFromSaleOfRealEstate / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = avb_ArchstoneMemorialHeightsMember |  |
Avalon Hingham MA and Brooklyn NY |  |  |  |
Summary of income from discontinued operations |  |  |  |
Net proceeds |  |  | 1,313 us-gaap_ProceedsFromSaleOfRealEstate / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = avb_AvalonHinghamMAAndBrooklynNYMember |
Huntington Station Land |  |  |  |
Summary of income from discontinued operations |  |  |  |
Gain (loss) on sale of real estate assets |  | 490 us-gaap_GainLossOnSaleOfProperties / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = avb_HuntingtonStationNYMember |  |
Gross sales price |  | 8,050 avb_SaleOfRealEstateGrossSalesPrice / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = avb_HuntingtonStationNYMember |  |
Net proceeds |  | 7,633 us-gaap_ProceedsFromSaleOfRealEstate / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = avb_HuntingtonStationNYMember |  |
Mortgage notes payable |  |  |  |
Summary of income from discontinued operations |  |  |  |
Repayments of secured mortgages | 5,914 us-gaap_RepaymentsOfSecuredDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |  |  |
Mortgage notes payable | Notes payable maturing in 2015 |  |  |  |
Summary of income from discontinued operations |  |  |  |
Repayments of secured mortgages | 10,427 us-gaap_RepaymentsOfSecuredDebt / us-gaap_DebtInstrumentAxis = avb_NotesPayableMaturities2015Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |  |  |
Wholly Owned Properties |  |  |  |
Summary of income from discontinued operations |  |  |  |
Gain (loss) on sale of real estate assets |  | $ 106,138 us-gaap_GainLossOnSaleOfProperties / us-gaap_RealEstatePropertiesAxis = us-gaap_WhollyOwnedPropertiesMember |  |

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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Income Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6515339 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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