CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
REVENUES
Rental and other property revenues	$ 186,995	$ 190,344	$ 169,836
OPERATING EXPENSES
Property operating expenses	73,712	71,792	67,613
Depreciation and amortization	68,834	158,967	84,712
General and administrative expenses	32,865	39,673	33,151
Total operating expenses	175,411	270,432	185,476
Interest income	9,731	4,052	2,277
Interest expense	(37,718)	(73,842)	(52,902)
Realized and unrealized gains (losses) on interest rate options	1,119	48,205	6,509
Realized and unrealized gains (losses) on equity investments	700	20,302	6,585
Gain on dispositions of real estate	7,984	175,863
Lease modification income		206,963
Other income (expense), net	(8,532)	(13,373)	3,212
Income (loss) before income tax	(170,071)	109,422	(18,550)
Income tax benefit (expense)	12,752	(17,264)	13,570
Net income (loss)	(157,319)	92,158	(4,980)
Net (income) loss attributable to redeemable noncontrolling interests in consolidated real estate partnerships	(13,924)	(8,829)	(91)
Net (income) loss attributable to noncontrolling interests in consolidated real estate partnerships	(3,991)	(3,672)	(1,136)
Net (income) loss attributable to common noncontrolling interests in Aimco Operating Partnership	9,038	(3,931)	297
Net income (loss) attributable to Aimco	$ (166,196)	$ 75,726	$ (5,910)
Net income (loss) attributable to Aimco Operating Partnership per common unit - basic (Note 10)	$ (1.16)	$ 0.5	$ (0.04)
Net income (loss) attributable to Aimco Operating Partnership per common unit - diluted (Note 10)	$ (1.16)	$ 0.49	$ (0.04)
Weighted-average common shares/units outstanding - basic	143,618	149,395	149,480
Weighted-average common shares/units outstanding - diluted	143,618	150,834	149,480
Aimco OP L.P. [Member]
REVENUES
Rental and other property revenues	$ 186,995	$ 190,344	$ 169,836
OPERATING EXPENSES
Property operating expenses	73,712	71,792	67,613
Depreciation and amortization	68,834	158,967	84,712
General and administrative expenses	32,865	39,673	33,151
Total operating expenses	175,411	270,432	185,476
Interest income	9,731	4,052	2,277
Interest expense	(37,718)	(73,842)	(52,902)
Realized and unrealized gains (losses) on interest rate options	1,119	48,205	6,509
Realized and unrealized gains (losses) on equity investments	700	20,302	6,585
Gain on dispositions of real estate	7,984	175,863
Lease modification income		206,963
Other income (expense), net	(8,532)	(13,373)	3,212
Income (loss) before income tax	(170,071)	109,422	(18,550)
Income tax benefit (expense)	12,752	(17,264)	13,570
Net income (loss)	(157,319)	92,158	(4,980)
Net (income) loss attributable to redeemable noncontrolling interests in consolidated real estate partnerships	(13,924)	(8,829)	(91)
Net (income) loss attributable to noncontrolling interests in consolidated real estate partnerships	(3,991)	(3,672)	(1,136)
Net income (loss) attributable to Aimco	$ (175,234)	$ 79,657	$ (6,207)
Net income (loss) attributable to Aimco Operating Partnership per common unit - basic (Note 10)	$ (1.16)	$ 0.5	$ (0.04)
Net income (loss) attributable to Aimco Operating Partnership per common unit - diluted (Note 10)	$ (1.16)	$ 0.49	$ (0.04)
Weighted-average common shares/units outstanding - basic	151,371	157,317	157,701
Weighted-average common shares/units outstanding - diluted	151,371	158,774	157,701
Unconsolidated Real Estate Partnerships [Member]
OPERATING EXPENSES
Mezzanine / Unconsolidated partnerships investment income (loss), net	$ 875	$ 579	$ 973
Unconsolidated Real Estate Partnerships [Member] | Aimco OP L.P. [Member]
OPERATING EXPENSES
Mezzanine / Unconsolidated partnerships investment income (loss), net	875	579	973
Mezzanine Investment [Member]
OPERATING EXPENSES
Mezzanine / Unconsolidated partnerships investment income (loss), net	(155,814)	(179,239)	30,436
Mezzanine Investment [Member] | Aimco OP L.P. [Member]
OPERATING EXPENSES
Mezzanine / Unconsolidated partnerships investment income (loss), net	$ (155,814)	$ (179,239)	$ 30,436