Condensed Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Capital expenditures net of accrued capital costs	$ 14.5	$ 0.9
Aimco OP L.P. [Member]
Capital expenditures net of accrued capital costs	$ 14.5	$ 0.9

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