v3.22.2.2
Cover
Dec. 07, 2022
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Dec. 07, 2022
Entity File Number 1-12672
Entity Registrant Name AVALONBAY COMMUNITIES, INC.
Entity Central Index Key 0000915912
Entity Tax Identification Number 77-0404318
Entity Incorporation, State or Country Code MD
Entity Address, Address Line One 4040 Wilson Blvd., Suite 1000
Entity Address, City or Town Arlington
Entity Address, State or Province VA
Entity Address, Postal Zip Code 22203
City Area Code 703
Local Phone Number 329-6300
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.01 per share
Trading Symbol AVB
Security Exchange Name NYSE
Entity Emerging Growth Company false