XML 23 R9.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Interest Capitalized | 12 Months Ended
--- | ---
Dec. 31, 2018
Interest Capitalized |
Interest Capitalized | Interest Capitalized The Company capitalizes interest during the development and redevelopment of real estate assets. Capitalized interest associated with the Company's development or redevelopment activities totaled $60,331,000, $64,420,000 and $78,872,000 for years ended December 31, 2018, 2017 and 2016, respectively.

X
- References No definition available. + Details
Name: | avb_InterestCapitalizedDisclosureAbstract
Namespace Prefix: | avb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Information about the amount of total interest cost capitalized in conjunction with assets that are being constructed for sale or lease during the periods presented. + References No definition available. + Details
Name: | avb_InterestCapitalizedDisclosureTextBlock
Namespace Prefix: | avb_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration