XML 18 R54.htm IDEA: XBRL DOCUMENT v2.4.1.9
Segment Reporting (Details 3) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Segment Reporting                      
Total revenue $ 440,656us-gaap_Revenues $ 430,525us-gaap_Revenues $ 413,806us-gaap_Revenues $ 400,075us-gaap_Revenues $ 394,169us-gaap_Revenues $ 389,189us-gaap_Revenues $ 378,207us-gaap_Revenues $ 301,356us-gaap_Revenues $ 1,685,061us-gaap_Revenues $ 1,462,921us-gaap_Revenues $ 1,000,627us-gaap_Revenues
NOI                 1,134,096us-gaap_OperatingIncomeLoss 977,998us-gaap_OperatingIncomeLoss 667,928us-gaap_OperatingIncomeLoss
% NOI change from prior year (percent)                 16.00%avb_PercentageChangeOfNetOperatingIncomeFromPriorYear 46.40%avb_PercentageChangeOfNetOperatingIncomeFromPriorYear 14.60%avb_PercentageChangeOfNetOperatingIncomeFromPriorYear
Gross real estate 17,784,819avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale       16,481,608avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale       17,784,819avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale 16,481,608avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale 9,443,859avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
Gross real estate assets held for sale 64,497us-gaap_RealEstateHeldforsale       318,713us-gaap_RealEstateHeldforsale       64,497us-gaap_RealEstateHeldforsale 318,713us-gaap_RealEstateHeldforsale 627,483us-gaap_RealEstateHeldforsale
Established                      
Segment Reporting                      
Real estate capitalized additions 52,635avb_RealEstateCapitalizedAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
      33,553avb_RealEstateCapitalizedAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
      52,635avb_RealEstateCapitalizedAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
33,553avb_RealEstateCapitalizedAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
25,448avb_RealEstateCapitalizedAdditions
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
Operating segment | Established                      
Segment Reporting                      
Total revenue                 965,014us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
816,586us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
707,892us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
NOI                 673,156us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
567,652us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
493,639us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
% NOI change from prior year (percent)                 3.50%avb_PercentageChangeOfNetOperatingIncomeFromPriorYear
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
4.90%avb_PercentageChangeOfNetOperatingIncomeFromPriorYear
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
7.60%avb_PercentageChangeOfNetOperatingIncomeFromPriorYear
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
Gross real estate 7,527,636avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
      6,520,046avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
      7,527,636avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
6,520,046avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
5,737,155avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
Operating segment | Established | New England                      
Segment Reporting                      
Total revenue                 179,116us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NewEnglandMember
159,670us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NewEnglandMember
145,629us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NewEnglandMember
NOI                 113,905us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NewEnglandMember
103,679us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NewEnglandMember
94,481us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NewEnglandMember
% NOI change from prior year (percent)                 0.80%avb_PercentageChangeOfNetOperatingIncomeFromPriorYear
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NewEnglandMember
2.30%avb_PercentageChangeOfNetOperatingIncomeFromPriorYear
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NewEnglandMember
5.10%avb_PercentageChangeOfNetOperatingIncomeFromPriorYear
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NewEnglandMember
Gross real estate 1,373,065avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NewEnglandMember
      1,227,582avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NewEnglandMember
      1,373,065avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NewEnglandMember
1,227,582avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NewEnglandMember
1,115,098avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NewEnglandMember
Operating segment | Established | Metro NY/NJ                      
Segment Reporting                      
Total revenue                 318,710us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MetroNYNJMember
249,742us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MetroNYNJMember
213,360us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MetroNYNJMember
NOI                 223,591us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MetroNYNJMember
172,912us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MetroNYNJMember
148,441us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MetroNYNJMember
% NOI change from prior year (percent)                 3.10%avb_PercentageChangeOfNetOperatingIncomeFromPriorYear
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MetroNYNJMember
4.40%avb_PercentageChangeOfNetOperatingIncomeFromPriorYear
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MetroNYNJMember
7.40%avb_PercentageChangeOfNetOperatingIncomeFromPriorYear
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MetroNYNJMember
Gross real estate 2,379,178avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MetroNYNJMember
      1,921,307avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MetroNYNJMember
      2,379,178avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MetroNYNJMember
1,921,307avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MetroNYNJMember
1,760,429avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MetroNYNJMember
Operating segment | Established | Mid-Atlantic                      
Segment Reporting                      
Total revenue                 98,590us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MidAtlanticMember
100,548us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MidAtlanticMember
103,784us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MidAtlanticMember
NOI                 69,498us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MidAtlanticMember
71,851us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MidAtlanticMember
75,313us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MidAtlanticMember
% NOI change from prior year (percent)                 (2.50%)avb_PercentageChangeOfNetOperatingIncomeFromPriorYear
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MidAtlanticMember
0.10%avb_PercentageChangeOfNetOperatingIncomeFromPriorYear
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MidAtlanticMember
3.20%avb_PercentageChangeOfNetOperatingIncomeFromPriorYear
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MidAtlanticMember
Gross real estate 647,374avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MidAtlanticMember
      633,598avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MidAtlanticMember
      647,374avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MidAtlanticMember
633,598avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MidAtlanticMember
591,669avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_MidAtlanticMember
Operating segment | Established | Pacific Northwest                      
Segment Reporting                      
Total revenue                 54,230us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_PacificNorthwestMember
46,564us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_PacificNorthwestMember
32,942us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_PacificNorthwestMember
NOI                 37,637us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_PacificNorthwestMember
31,283us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_PacificNorthwestMember
23,433us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_PacificNorthwestMember
% NOI change from prior year (percent)                 7.00%avb_PercentageChangeOfNetOperatingIncomeFromPriorYear
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_PacificNorthwestMember
5.30%avb_PercentageChangeOfNetOperatingIncomeFromPriorYear
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_PacificNorthwestMember
15.00%avb_PercentageChangeOfNetOperatingIncomeFromPriorYear
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_PacificNorthwestMember
Gross real estate 500,247avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_PacificNorthwestMember
      444,825avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_PacificNorthwestMember
      500,247avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_PacificNorthwestMember
444,825avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_PacificNorthwestMember
306,289avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_PacificNorthwestMember
Operating segment | Established | Northern California                      
Segment Reporting                      
Total revenue                 174,527us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NorthernCaliforniaMember
141,038us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NorthernCaliforniaMember
112,875us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NorthernCaliforniaMember
NOI                 132,899us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NorthernCaliforniaMember
106,745us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NorthernCaliforniaMember
83,091us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NorthernCaliforniaMember
% NOI change from prior year (percent)                 8.20%avb_PercentageChangeOfNetOperatingIncomeFromPriorYear
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NorthernCaliforniaMember
11.70%avb_PercentageChangeOfNetOperatingIncomeFromPriorYear
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NorthernCaliforniaMember
14.10%avb_PercentageChangeOfNetOperatingIncomeFromPriorYear
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NorthernCaliforniaMember
Gross real estate 1,402,444avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NorthernCaliforniaMember
      1,233,851avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NorthernCaliforniaMember
      1,402,444avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NorthernCaliforniaMember
1,233,851avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NorthernCaliforniaMember
1,015,947avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_NorthernCaliforniaMember
Operating segment | Established | Southern California                      
Segment Reporting                      
Total revenue                 139,841us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_SouthernCaliforniaMember
119,024us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_SouthernCaliforniaMember
99,302us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_SouthernCaliforniaMember
NOI                 95,626us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_SouthernCaliforniaMember
81,182us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_SouthernCaliforniaMember
68,880us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_SouthernCaliforniaMember
% NOI change from prior year (percent)                 5.20%avb_PercentageChangeOfNetOperatingIncomeFromPriorYear
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_SouthernCaliforniaMember
5.10%avb_PercentageChangeOfNetOperatingIncomeFromPriorYear
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_SouthernCaliforniaMember
7.00%avb_PercentageChangeOfNetOperatingIncomeFromPriorYear
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_SouthernCaliforniaMember
Gross real estate 1,225,328avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_SouthernCaliforniaMember
      1,058,883avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_SouthernCaliforniaMember
      1,225,328avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_SouthernCaliforniaMember
1,058,883avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_SouthernCaliforniaMember
947,723avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_EstablishedMember
/ us-gaap_StatementGeographicalAxis
= avb_SouthernCaliforniaMember
Operating segment | Other Stabilized                      
Segment Reporting                      
Total revenue                 497,756us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_OtherStabilizedMember
486,780us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_OtherStabilizedMember
131,248us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_OtherStabilizedMember
NOI                 343,061us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_OtherStabilizedMember
330,998us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_OtherStabilizedMember
84,504us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_OtherStabilizedMember
Gross real estate 6,062,844avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_OtherStabilizedMember
      6,626,884avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_OtherStabilizedMember
      6,062,844avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_OtherStabilizedMember
6,626,884avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_OtherStabilizedMember
1,284,666avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_OtherStabilizedMember
Operating segment | Development / Redevelopment                      
Segment Reporting                      
Total revenue                 186,852us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_DevelopmentRedevelopmentMember
117,186us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_DevelopmentRedevelopmentMember
129,767us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_DevelopmentRedevelopmentMember
NOI                 117,879us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_DevelopmentRedevelopmentMember
79,348us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_DevelopmentRedevelopmentMember
89,785us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_DevelopmentRedevelopmentMember
Gross real estate 3,972,180avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_DevelopmentRedevelopmentMember
      3,024,035avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_DevelopmentRedevelopmentMember
      3,972,180avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_DevelopmentRedevelopmentMember
3,024,035avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_DevelopmentRedevelopmentMember
2,032,277avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= avb_DevelopmentRedevelopmentMember
Land Held for Development                      
Segment Reporting                      
Gross real estate 180,516avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= avb_LandHeldforDevelopmentMember
      300,364avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= avb_LandHeldforDevelopmentMember
      180,516avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= avb_LandHeldforDevelopmentMember
300,364avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= avb_LandHeldforDevelopmentMember
316,037avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= avb_LandHeldforDevelopmentMember
Non-allocated                      
Segment Reporting                      
Total revenue                 11,050us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_CorporateNonSegmentMember
11,502us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_CorporateNonSegmentMember
10,257us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_CorporateNonSegmentMember
Gross real estate 41,643avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_CorporateNonSegmentMember
      10,279avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_CorporateNonSegmentMember
      41,643avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_CorporateNonSegmentMember
10,279avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_CorporateNonSegmentMember
73,724avb_RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale
/ us-gaap_ConsolidationItemsAxis
= us-gaap_CorporateNonSegmentMember
Continuing Operations                      
Segment Reporting                      
Total revenue                 $ 1,660,672us-gaap_Revenues
/ us-gaap_StatementOperatingActivitiesSegmentAxis
= us-gaap_SegmentContinuingOperationsMember
$ 1,432,054us-gaap_Revenues
/ us-gaap_StatementOperatingActivitiesSegmentAxis
= us-gaap_SegmentContinuingOperationsMember
$ 979,164us-gaap_Revenues
/ us-gaap_StatementOperatingActivitiesSegmentAxis
= us-gaap_SegmentContinuingOperationsMember