CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
REVENUES
Rental and other property revenues	$ 50,203	$ 44,268
OPERATING EXPENSES
Property operating expenses	21,199	17,504
Depreciation and amortization	19,468	16,271
General and administrative expenses	8,549	8,403
Total operating expenses	49,216	42,178
Interest income	2,648	2,058
Interest expense	(13,370)	(9,725)
Realized and unrealized gains (losses) on interest rate options	1,672	(1,057)
Realized and unrealized gains (losses) on equity investments	(271)	137
Other income (expense), net	(1,904)	(3,626)
Income (loss) before income tax	(9,926)	(9,949)
Income tax benefit (expense)	2,730	4,196
Net income (loss)	(7,196)	(5,753)
Net (income) loss attributable to redeemable noncontrolling interests in consolidated real estate partnerships	(3,560)	(3,274)
Net (income) loss attributable to noncontrolling interests in consolidated real estate partnerships	16	(264)
Net (income) loss attributable to common noncontrolling interests in Aimco Operating Partnership	554	474
Net income (loss) attributable to Aimco	$ (10,186)	$ (8,817)
Net income (loss) attributable to Aimco per common share - basic (Note 4)	$ (0.07)	$ (0.06)
Net income (loss) attributable to Aimco per common share - diluted (Note 4)	$ (0.07)	$ (0.06)
Basic weighted-average OP Units outstanding	140,594	145,827
Diluted weighted-average common stock outstanding	140,594	145,827
Aimco OP L.P. [Member]
REVENUES
Rental and other property revenues	$ 50,203	$ 44,268
OPERATING EXPENSES
Property operating expenses	21,199	17,504
Depreciation and amortization	19,468	16,271
General and administrative expenses	8,549	8,403
Total operating expenses	49,216	42,178
Interest income	2,648	2,058
Interest expense	(13,370)	(9,725)
Realized and unrealized gains (losses) on interest rate options	1,672	(1,057)
Realized and unrealized gains (losses) on equity investments	(271)	137
Other income (expense), net	(1,904)	(3,626)
Income (loss) before income tax	(9,926)	(9,949)
Income tax benefit (expense)	2,730	4,196
Net income (loss)	(7,196)	(5,753)
Net (income) loss attributable to redeemable noncontrolling interests in consolidated real estate partnerships	(3,560)	(3,274)
Net (income) loss attributable to noncontrolling interests in consolidated real estate partnerships	16	(264)
Net income (loss) attributable to Aimco	$ (10,740)	$ (9,291)
Net income (loss) attributable to Aimco per common share - basic (Note 4)	$ (0.07)	$ (0.06)
Net income (loss) attributable to Aimco per common share - diluted (Note 4)	$ (0.07)	$ (0.06)
Basic weighted-average OP Units outstanding	148,257	153,631
Diluted weighted-average common stock outstanding	148,257	153,631
Unconsolidated Real Estate Partnerships Member
OPERATING EXPENSES
Income from unconsolidated real estate partnerships	$ 312	$ 174
Unconsolidated Real Estate Partnerships Member | Aimco OP L.P. [Member]
OPERATING EXPENSES
Income from unconsolidated real estate partnerships	$ 312	$ 174