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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) 115,163us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross 123,977us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross 96,592us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross
Common stock issued through the dividend reinvestment plan (in shares) 2,434us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan 2,002us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan 2,331us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan
Common stock issued through the dividend reinvestment plan $ 335us-gaap_StockIssuedDuringPeriodValueDividendReinvestmentPlan $ 269us-gaap_StockIssuedDuringPeriodValueDividendReinvestmentPlan $ 321us-gaap_StockIssuedDuringPeriodValueDividendReinvestmentPlan
Number of shares withheld to satisfy employees' tax withholding and other liabilities 55,523us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation 48,310us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation 121,351us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation
Shares withheld to satisfy employees' tax withholding and other liabilities, value 4,746us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation 6,127us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation 15,543us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
Number of shares forfeited 7,970us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited 7,653us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited 7,558us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited
Shares cancelled upon forfeiture 2,938us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationForfeited 1,105us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationForfeited 393us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationForfeited
Common stock dividends declared but not paid 153,207us-gaap_DividendsPayableCurrentAndNoncurrent 138,476us-gaap_DividendsPayableCurrentAndNoncurrent 110,966us-gaap_DividendsPayableCurrentAndNoncurrent
Change in redemption value of redeemable noncontrolling interest (3,709)us-gaap_MinorityInterestChangeInRedemptionValue 1,246us-gaap_MinorityInterestChangeInRedemptionValue 375us-gaap_MinorityInterestChangeInRedemptionValue
Unrealized loss on cash flow hedges (121)us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent 0us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent (22,876)us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent
Cash flow hedge losses reclassified to earnings 6,237us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax 59,376us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax 1,889us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
Noncontrolling interests derecognition (17,816)us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation    
Stock issued in connection with stock grants, value   16,019us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross 12,883us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross
Number of options granted for common stock   215,230us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross 115,303us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Options granted for common stock, value   5,768avb_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodValue 3,357avb_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodValue
Cash flow hedge losses reclassified to interest expense, net   5,892avb_OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesToInterestExpense 1,889avb_OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesToInterestExpense
Reclassification adjustment on derivatives to loss on interest rate contract   53,484avb_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     375avb_MinorityInterestIncreaseDecreaseFromPutOptionRedemptionValueAdjustment
Restricted stock      
Supplemental disclosures of non-cash investing and financing activities      
Conversion of restricted stock units (in shares) 16,209avb_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsConversionofShares
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
   
Restricted stock granted (in shares) 98,954us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
   
Fair value of shares issued 12,799avb_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   14,889,706us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ us-gaap_BusinessAcquisitionAxis
= avb_ArchstoneEnterpriseLPMember
 
Value of shares of common stock issued as partial consideration for acquisition   1,875,210us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned
/ us-gaap_BusinessAcquisitionAxis
= avb_ArchstoneEnterpriseLPMember
 
Increase in redeemable noncontrolling interests associated with business acquisition   13,262avb_MinorityInterestChangeAssociatedWithBusinessAcquisition
/ us-gaap_BusinessAcquisitionAxis
= avb_ArchstoneEnterpriseLPMember
 
Assumed principal amount of indebtedness   3,512,202us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
/ us-gaap_BusinessAcquisitionAxis
= avb_ArchstoneEnterpriseLPMember
 
Obligation related to outstanding preferred interests   67,500avb_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     11,958us-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
1,246us-gaap_MinorityInterestChangeInRedemptionValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
375us-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 6,237us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
59,376us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
1,889us-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