XML 59 R47.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Fair Value (Details) | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Jun. 30, 2017 USD ($) community derivative | May 31, 2017 USD ($) | Apr. 30, 2017 USD ($) | Jun. 30, 2017 USD ($) community venture derivative | Jun. 30, 2016 USD ($) | Jun. 30, 2017 USD ($) community derivative | Jun. 30, 2016 USD ($)
Derivative instruments and Hedging Activities |  |  |  |  |  |  |
Gain on fair value hedge ineffectiveness |  |  |  | $ (753,000) |  | $ (753,000) |
Derivative, notional amounts settled during period | $ 214,900,000 | $ 400,000,000 | $ 185,100,000 | 800,000,000 |  | 800,000,000 |
Receipts (payments) for termination of forward interest rate swaps | $ (4,078,000) | $ 1,361,000 | $ 2,326,000 | $ (391,000) |  | $ 391,000 | $ (14,847,000)
Number of Real Estate Properties | community | 264 |  |  | 264 |  | 264 |
Loss on cash flow hedges |  |  |  | $ (16,158,000) | $ (26,788,000) | $ (16,013,000) | $ (74,545,000)
Estimated hedging losses to be reclassified from accumulated other comprehensive loss into earnings within the next twelve months |  |  |  |  |  | $ 376,000 |
Amortization period of deferred gain (loss) on discontinuation of interest rate fair value hedge |  |  |  |  |  | 10 years |
Cash Flow Hedges |  |  |  |  |  |  |
Derivative instruments and Hedging Activities |  |  |  |  |  |  |
Number of derivative instruments held | derivative | 6 |  |  | 6 |  | 6 |
Interest Rate Cap | Cash Flow Hedges |  |  |  |  |  |  |
Derivative instruments and Hedging Activities |  |  |  |  |  |  |
Notional amount | $ 35,471,000 |  |  | $ 35,471,000 |  | $ 35,471,000 |
Weighted average interest rate (as a percent) | 3.20% |  |  | 3.20% |  | 3.20% |
Weighted average capped interest rate (as a percent) | 5.90% |  |  | 5.90% |  | 5.90% |
Interest Rate Swap | Cash Flow Hedges |  |  |  |  |  |  |
Derivative instruments and Hedging Activities |  |  |  |  |  |  |
Notional amount | $ 250,000,000 |  |  | $ 250,000,000 |  | $ 250,000,000 |
Weighted average capped interest rate (as a percent) | 2.40% |  |  | 2.40% |  | 2.40% |
Notional amounts entered into during period |  |  |  | $ 150,000,000 |  | $ 250,000,000 |
Put Option |  |  |  |  |  |  |
Derivative instruments and Hedging Activities |  |  |  |  |  |  |
Number of ventures in which entity is required to purchase interest in investment at guaranteed minimum amount | venture |  |  |  | 3 |  |  |
Not Designated as Hedging Instrument |  |  |  |  |  |  |
Derivative instruments and Hedging Activities |  |  |  |  |  |  |
Number of derivative instruments held | derivative | 14 |  |  | 14 |  | 14 |
Not Designated as Hedging Instrument | Interest Rate Cap |  |  |  |  |  |  |
Derivative instruments and Hedging Activities |  |  |  |  |  |  |
Notional amount | $ 695,642,000 |  |  | $ 695,642,000 |  | $ 695,642,000 |
Weighted average interest rate (as a percent) | 2.70% |  |  | 2.70% |  | 2.70% |
Weighted average capped interest rate (as a percent) | 6.10% |  |  | 6.10% |  | 6.10% |
Reclassification out of Accumulated Other Comprehensive Income |  |  |  |  |  |  |
Derivative instruments and Hedging Activities |  |  |  |  |  |  |
Estimated hedging losses to be reclassified from accumulated other comprehensive loss into earnings within the next twelve months |  |  |  |  |  | $ 7,012,000 |

X
- Definition Derivative, Notional Amounts Entered into During Period + References No definition available. + Details
Name: | avb_DerivativeNotionalAmountsEnteredintoDuringPeriod
Namespace Prefix: | avb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Derivative, Notional Amounts Settled During Period + References No definition available. + Details
Name: | avb_DerivativeNotionalAmountsSettledDuringPeriod
Namespace Prefix: | avb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Reflects the calculation as of the balance sheet date of the average interest rate weighted by interest rate caps and interest rate swaps at that time. + References No definition available. + Details
Name: | avb_DerivativeWeightedAverageInterestRate
Namespace Prefix: | avb_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the number of ventures in which the entity is required to purchase interest in the investment at guaranteed minimum amount. + References No definition available. + Details
Name: | avb_NumberOfVenturesInWhichEntityIsRequiredToPurchaseInterestInInvestmentAtGuaranteedMinimumAmount
Namespace Prefix: | avb_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Period when adjustments to the carrying value of an interest-bearing hedged item are amortized upon discontinuation of the interest rate fair value hedge, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 35 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=82917030&loc=d3e75592-113984 + Details
Name: | us-gaap_AmortizationPeriodOfDeferredGainLossOnDiscontinuationOfInterestRateFairValueHedge1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Average cap rate on a group of interest rate derivatives, such as interest rate caps or collars. If market rates exceed the cap rate, a payment or receipt is triggered on the contract. + References No definition available. + Details
Name: | us-gaap_DerivativeAverageCapInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings. + References No definition available. + Details
Name: | us-gaap_DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of derivative instruments of a particular group held by the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5579245-113959 + Details
Name: | us-gaap_DerivativeNumberOfInstrumentsHeld
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of gain recognized in the income statement from the hedging ineffectiveness of a fair value hedge. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 + Details
Name: | us-gaap_GainOnFairValueHedgeIneffectiveness
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfRealEstateProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss), attributable to parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569643-111683 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 + Details
Name: | us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The net cash outflow or inflow for a financial contract that meets the hedge criteria as either cash flow hedge, fair value hedge or hedge of net investment in foreign operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3098-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 27 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3581-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3095-108585 + Details
Name: | us-gaap_PaymentsForProceedsFromHedgeFinancingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateCapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_PutOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis=us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |