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CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Supplemental disclosures of non-cash investing and financing activities |  |  |
Stock issued in connection with stock grants (in shares) | 115,163 us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross | 123,977 us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross | 96,592 us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross
Common stock issued through the dividend reinvestment plan (in shares) | 2,434 us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan | 2,002 us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan | 2,331 us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan
Common stock issued through the dividend reinvestment plan | $ 335 us-gaap_StockIssuedDuringPeriodValueDividendReinvestmentPlan | $ 269 us-gaap_StockIssuedDuringPeriodValueDividendReinvestmentPlan | $ 321 us-gaap_StockIssuedDuringPeriodValueDividendReinvestmentPlan
Number of shares withheld to satisfy employees' tax withholding and other liabilities | 55,523 us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation | 48,310 us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation | 121,351 us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation
Shares withheld to satisfy employees' tax withholding and other liabilities, value | 4,746 us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation | 6,127 us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation | 15,543 us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
Number of shares forfeited | 7,970 us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited | 7,653 us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited | 7,558 us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited
Shares cancelled upon forfeiture | 2,938 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationForfeited | 1,105 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationForfeited | 393 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationForfeited
Common stock dividends declared but not paid | 153,207 us-gaap_DividendsPayableCurrentAndNoncurrent | 138,476 us-gaap_DividendsPayableCurrentAndNoncurrent | 110,966 us-gaap_DividendsPayableCurrentAndNoncurrent
Change in redemption value of redeemable noncontrolling interest | (3,709)us-gaap_MinorityInterestChangeInRedemptionValue | 1,246 us-gaap_MinorityInterestChangeInRedemptionValue | 375 us-gaap_MinorityInterestChangeInRedemptionValue
Unrealized loss on cash flow hedges | (121)us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent | (22,876)us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent
Cash flow hedge losses reclassified to earnings | 6,237 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax | 59,376 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax | 1,889 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
Noncontrolling interests derecognition | (17,816)us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation |  |
Stock issued in connection with stock grants, value |  | 16,019 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross | 12,883 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross
Number of options granted for common stock |  | 215,230 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross | 115,303 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Options granted for common stock, value |  | 5,768 avb_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodValue | 3,357 avb_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodValue
Cash flow hedge losses reclassified to interest expense, net |  | 5,892 avb_OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesToInterestExpense | 1,889 avb_OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesToInterestExpense
Reclassification adjustment on derivatives to loss on interest rate contract |  | 53,484 avb_OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesToLossOnInterestRateContract |
Decrease in other comprehensive income due to a change in other liabilities |  |  | (22,876)us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax
Unsecured notes basis adjustment qualifying as hedges before tax prepaid expenses and other assets |  |  | (11)avb_UnsecuredNotesBasisAdjustmentQualifyingAsHedgesBeforeTaxPrepaidExpensesAndOtherAssets
(Decrease) increase in redeemable noncontrolling interests |  |  | 375 avb_MinorityInterestIncreaseDecreaseFromPutOptionRedemptionValueAdjustment
Restricted stock |  |  |
Supplemental disclosures of non-cash investing and financing activities |  |  |
Conversion of restricted stock units (in shares) | 16,209 avb_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsConversionofShares / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  |
Restricted stock granted (in shares) | 98,954 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  |
Fair value of shares issued | 12,799 avb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedInPeriodFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  |
Archstone Enterprise LP |  |  |
Supplemental disclosures of non-cash investing and financing activities |  |  |
Number of shares of common stock issued as partial consideration for acquisition |  | 14,889,706 us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued / us-gaap_BusinessAcquisitionAxis = avb_ArchstoneEnterpriseLPMember |
Value of shares of common stock issued as partial consideration for acquisition |  | 1,875,210 us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned / us-gaap_BusinessAcquisitionAxis = avb_ArchstoneEnterpriseLPMember |
Increase in redeemable noncontrolling interests associated with business acquisition |  | 13,262 avb_MinorityInterestChangeAssociatedWithBusinessAcquisition / us-gaap_BusinessAcquisitionAxis = avb_ArchstoneEnterpriseLPMember |
Assumed principal amount of indebtedness |  | 3,512,202 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt / us-gaap_BusinessAcquisitionAxis = avb_ArchstoneEnterpriseLPMember |
Obligation related to outstanding preferred interests |  | 67,500 avb_BusinessAcquisitionPurchasePriceAllocationRedemptionValueOfPreferredEquityUnits / us-gaap_BusinessAcquisitionAxis = avb_ArchstoneEnterpriseLPMember |
Fixed Rate Mortgage Loan 4.61 Percent |  |  |
Supplemental disclosures of non-cash investing and financing activities |  |  |
Stated interest rate (as a percent) |  |  | 4.61%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = avb_FixedRateMortgageLoan4.61PercentMember
Mortgage notes assumed |  |  | 11,958 us-gaap_NotesAssumed1 / us-gaap_DebtInstrumentAxis = avb_FixedRateMortgageLoan4.61PercentMember
Accumulated earnings less dividends |  |  |
Supplemental disclosures of non-cash investing and financing activities |  |  |
Change in redemption value of redeemable noncontrolling interest | (3,709)us-gaap_MinorityInterestChangeInRedemptionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | 1,246 us-gaap_MinorityInterestChangeInRedemptionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | 375 us-gaap_MinorityInterestChangeInRedemptionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Accumulated other comprehensive loss |  |  |
Supplemental disclosures of non-cash investing and financing activities |  |  |
Unrealized loss on cash flow hedges | (121)us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |  | (22,876)us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember
Cash flow hedge losses reclassified to earnings | 6,237 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | 59,376 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | 1,889 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember
Noncontrolling interests |  |  |
Supplemental disclosures of non-cash investing and financing activities |  |  |
Noncontrolling interests derecognition | $ (17,816)us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |  |

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