XML 60 R51.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Subsequent Events (Details) $ / shares in Units, $ in Thousands | 1 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 31, 2022 USD ($) home $ / shares shares | Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($)
Subsequent Event [Line Items] |  |  |
Payments to acquire other real estate |  | $ 459,695 | $ 392,746
Subsequent Event | Continuous Equity Program CEP V |  |  |
Subsequent Event [Line Items] |  |  |
Forward contract indexed to equity, settlement (in shares) | shares | 68,577 |  |
Forward contract indexed to equity, settlement fair value (in dollars per share) | $ / shares | $ 229.34 |  |
Forward contract indexed to equity, settlement, net proceeds | $ 15,727 |  |
Subsequent Event | Avalon Highland Creek |  |  |
Subsequent Event [Line Items] |  |  |
Number of apartment homes acquired | home | 260 |  |
Payments to acquire other real estate | $ 76,700 |  |

X
- Definition Number Of Apartment Homes Acquired + References No definition available. + Details
Name: | avb_NumberOfApartmentHomesAcquired
Namespace Prefix: | avb_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value per share that would be issued upon settlement of forward contract indexed to equity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 40 -Section 50 -Paragraph 5 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126731327&loc=d3e90205-114008 + Details
Name: | us-gaap_ForwardContractIndexedToEquitySettlementShareFairValuePerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount that would be paid upon settlement of forward contract indexed to equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 40 -Section 50 -Paragraph 5 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126731327&loc=d3e90205-114008 + Details
Name: | us-gaap_ForwardContractIndexedToIssuersEquitySettlementAlternativesCashAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of shares as a settlement alternative for each freestanding forward contract. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 40 -Section 50 -Paragraph 5 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126731327&loc=d3e90205-114008 + Details
Name: | us-gaap_ForwardContractIndexedToIssuersEquitySettlementAlternativesSharesAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash outflow associated with the purchase of other real estate investments held by the entity for investment purposes not otherwise defined in the taxonomy. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireOtherRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=avb_ContinuousEquityProgramCEPVMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=avb_AvalonHighlandCreekMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |