Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended		6 Months Ended
	Jun. 30, 2023	Nov. 30, 2019	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Weighted average ownership interest					5.10%	5.00%
Percentage of noncontrolling position sold	20.00%
Proceeds from sale of noncontrolling position	$ 33,500
Percentage of noncontrolling position remaining	80.00%
Additional proceeds from sale of noncontrolling position	$ 134,000
Minimum interest accruing percentage	19.00%
Interest prepayment received	$ 4,000
Mezzanine investment	158,301		$ 158,301		$ 158,301		$ 158,558
Consolidated income (loss) subject to tax			(2,500)	$ 181,400	(7,400)	$ 166,600
Preferred equity, investment amount	102,000		102,000		102,000
Income tax benefit (expense)			417	(45,957)	4,613	(41,901)
Aimco OP L.P. [Member]
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Payment made to mezzaine investment	$ 134,000
Minimum annualized returns percentage	19.00%
Percentage of residual payments	80.00%
Percentage of annualized return on subordinate investment	10.00%
Mezzanine investment	$ 158,301		158,301		158,301		$ 158,558
Income tax benefit (expense)			417	$ (45,957)	$ 4,613	$ (41,901)
Parkmerced Investment [Member]
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Equity method investment aggregate cost		$ 275,000
Equity method investment term		5 years
Equity method investment interest rate		10.00%
Option to acquire equity interest in partnership, percentage					30.00%
Mezzanine investment	$ 31,500		$ 31,500		$ 31,500