Summary of Significant Accounting Policies - Narrative (Details)	12 Months Ended
	Dec. 31, 2023 USD ($) account entity	Dec. 31, 2022 USD ($) entity	Dec. 31, 2021 USD ($)
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Number of consolidated VIEs | entity	5	7
Interest costs capitalized	$ 1,100,000	$ 1,500,000	$ 2,400,000
Other direct and indirect costs capitalized	16,200,000	16,600,000	10,300,000
Provision for real estate impairment loss	$ 0	0	0
Number of exchange accounts | account	1,031
Goodwill	$ 32,286,000	32,286,000
Percentage of income tax on income from non-arms length transactions	10000.00%
Other Real Estate
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Provision for real estate impairment loss	$ 23,600,000	$ 0	$ 0
Minimum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life	5 years
Median
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life	15 years
Maximum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life	30 years
Furniture, Fixtures and Equipment
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life	5 years
Software and Software Development Costs | Minimum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life	3 years
Software and Software Development Costs | Maximum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life	5 years
Purchased Equipment
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life	5 years
AIMCO
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Weighted average ownership interest	6.37%	6.25%	6.07%