Condensed Consolidated Statements of Partners' Capital - USD ($) $ in Thousands	Total	Aimco OP L.P. [Member]	General Partner and Special Limited Partner [Member] Aimco OP L.P. [Member]	Limited Partners [Member] Aimco OP L.P. [Member]	Partners Capital Attributable To The Partnership [Member] Aimco OP L.P. [Member]	Noncontrolling Interests in Consolidated Real Estate Partnerships Aimco OP L.P. [Member]	Aimco Predecessor Capital [Member] Aimco OP L.P. [Member]
Balances at Dec. 31, 2019		$ 513,560		$ 188	$ 188	$ 108	$ 513,264
Net income attributable to Aimco common stockholders	$ 4,427	4,663		236	236		4,427
Net loss attributable to noncontrolling interests in consolidated real estate partnerships		(5)				(5)
Contributions from Aimco Predecessor, net		(6,194)					(6,194)
Balances at Mar. 31, 2020		512,024		424	424	103	$ 511,497
Balances at Dec. 31, 2020		559,091	$ 499,778	27,436	527,214	31,877
Redemption of Aimco Operating Partnership units		(36)		(36)	(36)
Share-based compensation expense	229	1,301	1,243	58	1,301
Distribution to noncontrolling interests in consolidated real estate partnerships		(287)				(287)
Net income attributable to Aimco common stockholders	$ 20,214	21,295
Net loss attributable to noncontrolling interests in consolidated real estate partnerships		291				291
Net income		21,295	20,214	1,081	21,295
Other, net		(303)	(318)	12	(306)	3
Balances at Mar. 31, 2021		$ 581,352	$ 520,917	$ 28,551	$ 549,468	$ 31,884