CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Total Aimco Equity [Member]	Noncontrolling Interests in Consolidated Real Estate Partnerships [Member]	Common Noncontrolling Interests in Aimco Operating Partnership [Member]
Balances at Dec. 31, 2020	$ 559,091	$ 1,490	$ 515,127	$ (16,839)	$ 499,778	$ 31,877	$ 27,436
Balances (in shares) at Dec. 31, 2020		149,036
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to Aimco Operating Partnership	20,214			20,214	20,214
Net loss attributable to noncontrolling interests in consolidated real estate partnerships	291					291
Net income attributable to common noncontrolling interests in Aimco Operating Partnership	1,081						1,081
Redemption of OP Units	(36)						(36)
Share-based compensation expense	229		171		171		58
Distribution to noncontrolling interest in consolidated real estate partnerships	(287)					(287)
Other Common Stock issuances	1,071	$ 2	1,069		1,071
Other Common Stock issuances (In share)		232
Other, net	(302)	$ (1)	(316)		(317)	3	12
Other, net (in shares)		(60)
Balances at Mar. 31, 2021	581,352	$ 1,491	516,051	3,375	520,917	31,884	28,551
Balances (in shares) at Mar. 31, 2021		149,208
Balances at Dec. 31, 2021	562,233	$ 1,498	521,842	(22,775)	500,565	35,213	26,455
Balances (in shares) at Dec. 31, 2021		149,818
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to Aimco Operating Partnership	8,209			8,209	8,209
Net loss attributable to noncontrolling interests in consolidated real estate partnerships	(2)					(2)
Net income attributable to common noncontrolling interests in Aimco Operating Partnership	435						435
Redemption of OP Units	(133)		954		954		(1,087)
Redemption of OP Units, (In share)		23
Share-based compensation expense	2,429		1,363		1,363		1,066
Distribution to noncontrolling interest in consolidated real estate partnerships	(295)					(295)
Contributions from noncontrolling interests in consolidated real estate partnerships	9,718					9,718
Common stock repurchased	(1,317)	$ (2)	(1,315)		(1,317)
Common stock repurchased (In shares)		(202)
Other Common Stock issuances	852	$ 1	851		852
Other Common Stock issuances (In share)		106
Redemption of redeemable noncontrolling interests in consolidated real estate partnerships	(183)		(183)		(183)
Other, net	39		(57)	(5)	(62)	(5)	106
Other, net (in shares)		(55)
Balances at Mar. 31, 2022	$ 581,985	$ 1,497	$ 523,455	$ (14,571)	$ 510,381	$ 44,629	$ 26,975
Balances (in shares) at Mar. 31, 2022		149,690