Earnings and Dividends per Share and per Unit - Reconciliations of Numerator and Denominator in Calculations of Basic and Diluted Earnings per Share and per Unit (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule Of Earnings Per Share And Dividends Per Share [Line Items]
Net (loss) income attributable to Aimco	$ 75,726	$ (5,910)	$ (5,041)
Net income (loss) allocated to Aimco participating securities	(1,087)
Net income (loss) attributable to Aimco common stockholders	$ 74,639	$ (5,910)	$ (5,041)
Basic weighted-average common stock outstanding	149,395	149,480	148,569
Diluted share equivalents outstanding	1,439
Diluted weighted-average common stock outstanding	150,834	149,480	148,569
Earnings (loss) per share - basic	$ 0.50	$ (0.04)	$ (0.03)
Earnings (loss) per share - diluted	$ 0.49	$ (0.04)	$ (0.03)
Aimco OP L.P. [Member]
Schedule Of Earnings Per Share And Dividends Per Share [Line Items]
Net (loss) income attributable to Aimco	$ 79,657	$ (6,207)	$ (5,310)
Net income (loss) allocated to Aimco participating securities	(1,131)
Net income (loss) attributable to Aimco common stockholders	$ 78,526	$ (6,207)	$ (5,310)
Basic weighted-average common stock outstanding	157,317	157,701	156,500
Diluted share equivalents outstanding	1,457
Diluted weighted-average common stock outstanding	158,774	157,701	156,500
Earnings (loss) per share - basic	$ 0.50	$ (0.04)	$ (0.03)
Earnings (loss) per share - diluted	$ 0.49	$ (0.04)	$ (0.03)