Variable Interest Entities (Parenthetical) (Details) - Entity	Sep. 30, 2020	Dec. 31, 2019
1001 Brickell Bay Drive [Member]
Number of VIE	1	1

Number of variable interest entities in which the company holds variable interests.

No definition available.

Name:	aiv_NumberOfVariableInterestEntities
Namespace Prefix:	aiv_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant