CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 92,158	$ (4,980)	$ (5,771)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	158,967	84,712	77,965
Realized and unrealized (gains) losses on interest rate options	(48,205)	(6,509)	(1,058)
Income tax expense (benefit)	17,264	(13,570)	(10,149)
Impairment			15,860
Amortization of debt issuance costs and other	2,787	1,384	368
Loss on extinguishment of debt, net	28,986
Lease modification income	(206,963)
Realized and unrealized (gains) losses on equity investments	(20,302)	(6,585)
Gain on disposition of real estate	(175,863)
Share based compensation	7,471	5,271
Changes in operating assets and operating liabilities:
Other assets, net	1,039	(11,826)	(1,873)
Net cash received from development property lease terminations	195,789
Accrued liabilities and other	(27,556)	(3,902)	(1,228)
Total adjustments	112,074	17,566	53,617
Net cash provided by operating activities	204,232	12,586	47,846
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of real estate	(129,245)	(69,601)	(107,908)
Capital expenditures	(237,523)	(177,809)	(23,889)
Proceeds from disposition of real estate	259,983
Investment in IQHQ	(14,227)	(23,273)
Redemption of IQHQ investment	16,473
Investment in unconsolidated real estate partnerships	(15,668)
Other investing activities	(547)	(727)	2,472
Net cash used in investing activities	(120,754)	(271,410)	(129,325)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from non-recourse property debt	756,220	59,757	40,000
Proceeds from construction loans	93,206	165,170
Payments of deferred loan costs	(15,266)	(6,437)	(10,234)
Principal repayments on non-recourse property debt	(302,428)	(24,383)	(84,193)
Principal repayments on construction loans	(138,404)
Principal repayments on notes payable to AIR	(534,127)
Purchase of interest rate options	(5,620)	(5,905)	(12,245)
Proceeds from interest rate option	16,818
Payments on finance leases	(26,213)	(10,855)
Change in Aimco Predecessor investment, net			420,929
Payments of prepayment premiums	(25,801)		(4,269)
Common stock repurchased	(23,492)
Dividend paid on common stock	(3,043)
Distributions to noncontrolling interests	(1,362)	(1,158)
Distributions to redeemable noncontrolling interests	(9,365)
Contributions from noncontrolling interests	10,616	212	20,106
Contributions from redeemable noncontrolling interests	122,571	29,440
Redemption of OP Units	(225)
Redemption of noncontrolling interests	(7,088)
Redemption of redeemable noncontrolling interests	(5,094)
Other financing activities	(197)	(1,171)
Net cash provided by (used in) financing activities	(98,294)	204,671	370,094
NET DECREASE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH	(14,816)	(54,153)	288,615
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT BEGINNING OF PERIOD	244,582	298,735	10,120
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD	229,766	244,582	298,735
Aimco OP L.P. [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	92,158	(4,980)	(5,771)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	158,967	84,712	77,965
Realized and unrealized (gains) losses on interest rate options	(48,205)	(6,509)	(1,058)
Income tax expense (benefit)	17,264	(13,570)	(10,149)
Impairment			15,860
Amortization of debt issuance costs and other	2,787	1,384	368
Loss on extinguishment of debt, net	28,986
Lease modification income	(206,963)
Realized and unrealized (gains) losses on equity investments	(20,302)	(6,585)
Gain on disposition of real estate	(175,863)
Share based compensation	7,471	5,271
Changes in operating assets and operating liabilities:
Other assets, net	1,039	(11,826)	(1,873)
Net cash received from development property lease terminations	195,789
Accrued liabilities and other	(27,556)	(3,902)	(1,228)
Total adjustments	112,074	17,566	53,617
Net cash provided by operating activities	204,232	12,586	47,846
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of real estate	(129,245)	(69,601)	(107,908)
Capital expenditures	(237,523)	(177,809)	(23,889)
Proceeds from disposition of real estate	259,983
Investment in IQHQ	(14,227)	(23,273)
Redemption of IQHQ investment	16,473
Investment in unconsolidated real estate partnerships	(15,668)
Other investing activities	(547)	(727)	2,472
Net cash used in investing activities	(120,754)	(271,410)	(129,325)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from non-recourse property debt	756,220	59,757	40,000
Proceeds from construction loans	93,206	165,170
Payments of deferred loan costs	(15,266)	(6,437)	(10,234)
Principal repayments on non-recourse property debt	(302,428)	(24,383)	(84,193)
Principal repayments on construction loans	(138,404)
Principal repayments on notes payable to AIR	(534,127)
Purchase of interest rate options	(5,620)	(5,905)	(12,245)
Proceeds from interest rate option	16,818
Payments on finance leases	(26,213)	(10,855)
Change in Aimco Predecessor investment, net			420,929
Payments of prepayment premiums	(25,801)		(4,269)
Common stock repurchased	(23,492)
Dividend paid on common stock	(3,043)
Distributions to noncontrolling interests	(1,362)	(1,158)
Distributions to redeemable noncontrolling interests	(9,365)
Contributions from noncontrolling interests	10,616	212	20,106
Contributions from redeemable noncontrolling interests	122,571	29,440
Redemption of OP Units	(225)
Redemption of noncontrolling interests	(7,088)
Redemption of redeemable noncontrolling interests	(5,094)
Other financing activities	(197)	(1,171)
Net cash provided by (used in) financing activities	(98,294)	204,671	370,094
NET DECREASE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH	(14,816)	(54,153)	288,615
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT BEGINNING OF PERIOD	244,582	298,735	10,120
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD	229,766	244,582	298,735
Mezzanine Investment [Member]
Adjustments to reconcile net income to net cash provided by operating activities:
Mezzanine / Unconsolidated partnerships investment income (loss), net	179,239	(30,436)	(27,576)
Mezzanine Investment [Member] | Aimco OP L.P. [Member]
Adjustments to reconcile net income to net cash provided by operating activities:
Mezzanine / Unconsolidated partnerships investment income (loss), net	179,239	(30,436)	(27,576)
Unconsolidated Real Estate Partnerships [Member]
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	158,967	84,712	77,965
Mezzanine / Unconsolidated partnerships investment income (loss), net	(579)	(973)	(808)
Unconsolidated Real Estate Partnerships [Member] | Aimco OP L.P. [Member]
Adjustments to reconcile net income to net cash provided by operating activities:
Mezzanine / Unconsolidated partnerships investment income (loss), net	$ (579)	$ (973)	$ (808)