Condensed Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020
Capital expenditures net of accrued capital costs	$ 17.1	$ 0.8
Aimco OP L.P. [Member]
Capital expenditures net of accrued capital costs	$ 17.1	$ 0.8

Capital expenditures is net of accrued capital costs.

No definition available.

Name:	aiv_CapitalExpendituresNetOfAccruedCapitalCosts
Namespace Prefix:	aiv_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration