Significant Transactions (Details Textual) $ in Thousands, Number in Millions			1 Months Ended					3 Months Ended	9 Months Ended
	Sep. 30, 2022 USD ($) Land	May 31, 2022 USD ($) Home	Aug. 31, 2022 USD ($) ft² Unit	Jul. 31, 2022 USD ($) Unit	May 31, 2022 USD ($) Home	Feb. 28, 2022 USD ($) ft² Land Unit	Jan. 31, 2022 USD ($) Land	Mar. 31, 2022 USD ($) Number	Sep. 30, 2022 USD ($) Land	Dec. 31, 2022 Land	Jun. 30, 2022 USD ($)
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Number of land parcels subject to disposition | Land	1								1
Assets held for sale	$ 11,735								$ 11,735
Commitment purchase amount						$ 50,000
Forecast [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Number of land parcels subject to disposition | Land										1
Pathfinder Village Property [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Gain loss on sale of property held for sale					$ 94,600
Proceeds from sale of property					$ 127,000
Cedar Rim Property [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Number of units in real estate property | Unit				104
Proceeds from sale of property				$ 53,000
2900 on First [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Area of real estate property | ft²			14,000
Number of units in real estate property | Unit			135
Proceeds from sale of property			$ 69,000
Edgewater Joint Venture [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Commitment purchase amount								$ 8,000
Starthmore Joint Venture [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Number of residential units | Home		574			574
Percentage of share in joint venture		50.00%			50.00%
Commitment purchase amount									13,400
Starthmore Joint Venture [Member] | Maximum [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Commitment purchase amount		$ 21,600
Fort Lauderdale Consolidated Joint Venture
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Number of land parcels acquired | Land							3
Percentage Ownership in Joint Venture							51.00%
Number of acre development site | Land						9
Additional capitalized costs	5,900								$ 5,900
Purchase price	$ 100,000
Fort Lauderdale Consolidated Joint Venture | Mixed-Use Property [Member] | Flagler Village [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Area of real estate property | ft²						3,000,000
Fort Lauderdale Consolidated Joint Venture | Residential Units [Member] | Flagler Village [Member] | Maximum [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Number of units in real estate property | Unit						1,500
IQHQ [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Unrealized gain on investment						$ 20,500
Commitment purchase amount						14,200
Equity method investment cost basis						39,200
Equity method investments fair value						59,700
IQHQ [Member] | Class A-1 Units [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Percentage Ownership in Joint Venture	22.00%								22.00%		22.00%
Equity method investment cost basis	$ 10,800								$ 10,800		$ 10,800
Equity method investment redemption with step-up value to be paid in cash	16,500								16,500		$ 16,500
Gain from redemption of equity investment				$ 5,700
Undeveloped Land Parcels Acquisition [Member] | Fort Lauderdale Consolidated Joint Venture
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Asset acquisition, price of acquisition, expected							$ 49,000
Land purchase							40,000
Undeveloped Land Parcels Acquisition [Member] | Fort Lauderdale Consolidated Joint Venture | Flagler Village [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Asset acquisition, price of acquisition, expected						$ 100,000
Aimco OP L.P. [Member] | Edgewater Joint Venture [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Number of square feet of mixed-use development | Number								1
Percentage of share in joint venture								20.00%
Total contribution							1,700
Cash								$ 300
Aimco OP L.P. [Member] | Undeveloped Land Parcels Acquisition [Member] | Fort Lauderdale Consolidated Joint Venture
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Asset acquisition, price of acquisition, expected							25,000
Land purchase							$ 20,400
Other Assets [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Assets held for sale	11,700								11,700
Accrued Liabilities [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Assets held for sale	$ 8,100								$ 8,100