CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings (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, 2022	$ 625,358	$ 1,466	$ 496,482	$ 49,904	$ 547,852	$ 48,294	$ 29,212
Balances (in shares) at Dec. 31, 2022		146,525
Net income (loss)	(12,458)			(12,419)	(12,419)	613	(652)
Redemption of OP Units held by third parties and reallocation of noncontrolling interests in Aimco OP	(620)		4,256		4,256		(4,876)
Share-based compensation expense	6,698		3,549		3,549		3,149
Contributions from noncontrolling interests in consolidated real estate partnerships	163					163
Distributions to noncontrolling interests in consolidated real estate partnerships	(597)					(597)
Common stock repurchased	(22,592)	$ (30)	(22,562)		(22,592)
Common stock repurchased (In shares)		(3,003)
Other common stock issuances, net of withholding taxes	2,812	$ 2	1,538		1,540		1,272
Other common stock issuances, net of withholding taxes (In shares)		247
Other, net	(5)		(5)	1	(4)	(1)
Other, net (in shares)		(35)
Balances at Jun. 30, 2023	598,759	$ 1,438	483,258	37,486	522,182	48,472	28,105
Balances (in shares) at Jun. 30, 2023		143,734
Balances at Mar. 31, 2023	608,749	$ 1,448	489,304	41,087	531,839	48,321	28,589
Balances (in shares) at Mar. 31, 2023		144,718
Net income (loss)	(3,432)			(3,602)	(3,602)	348	(178)
Redemption of OP Units held by third parties and reallocation of noncontrolling interests in Aimco OP	(366)		(37)		(37)		(329)
Share-based compensation expense	1,876		1,853		1,853		23
Contributions from noncontrolling interests in consolidated real estate partnerships	113					113
Distributions to noncontrolling interests in consolidated real estate partnerships	(310)					(310)
Common stock repurchased	(7,870)	$ (10)	(7,860)		(7,870)
Common stock repurchased (In shares)		(984)
Other, net	(1)		(2)	1	(1)
Balances at Jun. 30, 2023	598,759	$ 1,438	483,258	37,486	522,182	48,472	28,105
Balances (in shares) at Jun. 30, 2023		143,734
Balances at Dec. 31, 2023	419,978	$ 1,406	464,538	(116,292)	349,652	51,265	19,061
Balances (in shares) at Dec. 31, 2023		140,576
Net income (loss)	(75,457)			(70,712)	(70,712)	(827)	(3,918)
Redemption of OP Units held by third parties and reallocation of noncontrolling interests in Aimco OP	(400)		666		666		(1,066)
Share-based compensation expense	3,846		3,834		3,834		12
Contributions from noncontrolling interests in consolidated real estate partnerships	679					679
Distributions to noncontrolling interests in consolidated real estate partnerships	(837)					(837)
Common stock repurchased	(30,987)	$ (39)	(30,948)		(30,987)
Common stock repurchased (In shares)		(3,917)
Other common stock issuances, net of withholding taxes	1,020	$ 5	1,015		1,020
Other common stock issuances, net of withholding taxes (In shares)		508
Other, net	63		63		63
Balances at Jun. 30, 2024	317,905	$ 1,372	439,168	(187,004)	253,536	50,280	14,089
Balances (in shares) at Jun. 30, 2024		137,167
Balances at Mar. 31, 2024	405,420	$ 1,402	460,907	(126,478)	335,831	51,333	18,256
Balances (in shares) at Mar. 31, 2024		140,211
Net income (loss)	(64,701)			(60,526)	(60,526)	(811)	(3,364)
Redemption of OP Units held by third parties and reallocation of noncontrolling interests in Aimco OP	(115)		694		694		(809)
Share-based compensation expense	1,912		1,906		1,906		6
Contributions from noncontrolling interests in consolidated real estate partnerships	194					194
Distributions to noncontrolling interests in consolidated real estate partnerships	(436)					(436)
Common stock repurchased	(24,432)	$ (30)	(24,402)		(24,432)
Common stock repurchased (In shares)		(3,044)
Other, net	63		63		63
Balances at Jun. 30, 2024	$ 317,905	$ 1,372	$ 439,168	$ (187,004)	$ 253,536	$ 50,280	$ 14,089
Balances (in shares) at Jun. 30, 2024		137,167