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Real Estate Disposition Activities (Details 2) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Summary of income from discontinued operations |  |  |
Rental income | $ 579 us-gaap_DisposalGroupIncludingDiscontinuedOperationRentalIncome | $ 42,874 us-gaap_DisposalGroupIncludingDiscontinuedOperationRentalIncome | $ 63,406 us-gaap_DisposalGroupIncludingDiscontinuedOperationRentalIncome
Operating and other expenses | (269)us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense | (12,661)us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense | (19,437)us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense
Interest expense, net | 0 us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense | 0 us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense | (133)us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense
Loss on extinguishment of debt | 0 avb_DisposalGroupIncludingDiscontinuedOperationGainLossOnExtinguishmentOfDebt | 0 avb_DisposalGroupIncludingDiscontinuedOperationGainLossOnExtinguishmentOfDebt | (602)avb_DisposalGroupIncludingDiscontinuedOperationGainLossOnExtinguishmentOfDebt
Depreciation expense | 0 us-gaap_DepreciationAndAmortizationDiscontinuedOperations | (13,500)us-gaap_DepreciationAndAmortizationDiscontinuedOperations | (16,414)us-gaap_DepreciationAndAmortizationDiscontinuedOperations
Income (loss) from discontinued operations | $ 310 us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax | $ 16,713 us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax | $ 26,820 us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax

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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity attributable to the disposal group, including a component of the entity (discontinued operation). + References No definition available. + Details
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- Definition Amount of operating expenses attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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