CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)		$ (5,609)	$ 263,323
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization		33,302	57,981
Realized and unrealized (gains) losses on interest rate options		(2,326)	(38,795)
Realized and unrealized (gains) losses on equity investments		(1,231)	(22,297)
Income tax expense (benefit)		(4,613)	41,901
Share-based compensation		5,965	4,513
Loss on extinguishment of debt, net		929	27,482
Lease modification income			(205,387)
Gain on dispositions of real estate		(1,878)	(94,465)
Amortization of debt issuance costs and other		1,114	1,421
Changes in operating assets and operating liabilities:
Other assets, net		(1,244)	2,201
Net cash received from lease incentive			7,895
Accrued liabilities and other		(6,686)	(3,528)
Total adjustments		23,294	(237,945)
Net cash provided by operating activities		17,685	25,378
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of real estate		(4,108)	(100,758)
Capital expenditures	[1]	(129,919)	(124,813)
Proceeds from disposition of real estate			126,769
Investment in IQHQ			(14,227)
Investment in unconsolidated real estate partnerships		(1,387)	(12,244)
Distributions received from unconsolidated real estate partnerships		4,209
Other investing activities		4,570	(116)
Net cash used in investing activities		(126,635)	(125,389)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from non-recourse property debt			614,720
Proceeds from construction loans		73,152	33,607
Payments of deferred loan costs		(229)	(6,620)
Principal repayments on non-recourse property debt		(61,541)	(283,826)
Principal repayments on Notes Payable to AIR			(387,088)
Proceeds from interest rate option		55,687	13,660
Payments on finance leases		(1,523)	(25,366)
Payments of prepayment premiums			(21,395)
Common stock repurchased		(22,391)	(4,419)
Redemption of noncontrolling interest in real estate partnership			(7,244)
Distributions to redeemable noncontrolling interests		(5,152)
Contributions from noncontrolling interests		163	9,718
Distributions to noncontrolling interests		(597)	(605)
Contributions from redeemable noncontrolling interests		125	20,392
Redemption of OP Units		(621)	(133)
Redemption of redeemable noncontrolling interests			(5,094)
Other financing activities		(3,024)	(569)
Net cash provided by (used in) financing activities		71,549	(50,262)
NET DECREASE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH		(37,401)	(150,273)
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT BEGINNING OF PERIOD		229,766	244,582
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD		192,365	94,309
Aimco OP L.P. [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)		(5,609)	263,323
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization		33,302	57,981
Realized and unrealized (gains) losses on interest rate options		(2,326)	(38,795)
Realized and unrealized (gains) losses on equity investments		(1,231)	(22,297)
Income tax expense (benefit)		(4,613)	41,901
Share-based compensation		5,965	4,513
Loss on extinguishment of debt, net		929	27,482
Lease modification income			(205,387)
Gain on dispositions of real estate		(1,878)	(94,465)
Amortization of debt issuance costs and other		1,114	1,421
Changes in operating assets and operating liabilities:
Other assets, net		(1,244)	2,201
Net cash received from lease incentive			7,895
Accrued liabilities and other		(6,686)	(3,528)
Total adjustments		23,294	(237,945)
Net cash provided by operating activities		17,685	25,378
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of real estate		(4,108)	(100,758)
Capital expenditures	[2]	(129,919)	(124,813)
Proceeds from disposition of real estate			126,769
Investment in IQHQ			(14,227)
Investment in unconsolidated real estate partnerships		(1,387)	(12,244)
Distributions received from unconsolidated real estate partnerships		4,209
Other investing activities		4,570	(116)
Net cash used in investing activities		(126,635)	(125,389)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from non-recourse property debt			614,720
Proceeds from construction loans		73,152	33,607
Payments of deferred loan costs		(229)	(6,620)
Principal repayments on non-recourse property debt		(61,541)	(283,826)
Principal repayments on Notes Payable to AIR			(387,088)
Proceeds from interest rate option		55,687	13,660
Payments on finance leases		(1,523)	(25,366)
Payments of prepayment premiums			(21,395)
Common stock repurchased		(22,391)	(4,419)
Redemption of noncontrolling interest in real estate partnership			(7,244)
Distributions to redeemable noncontrolling interests		(5,152)
Contributions from noncontrolling interests		163	9,718
Distributions to noncontrolling interests		(597)	(605)
Contributions from redeemable noncontrolling interests		125	20,392
Redemption of OP Units		(621)	(133)
Redemption of redeemable noncontrolling interests			(5,094)
Other financing activities		(3,024)	(569)
Net cash provided by (used in) financing activities		71,549	(50,262)
NET DECREASE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH		(37,401)	(150,273)
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT BEGINNING OF PERIOD		229,766	244,582
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD		192,365	94,309
Unconsolidated Real Estate Partnerships [Member]
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Income from unconsolidated real estate partnerships		(295)	(300)
Unconsolidated Real Estate Partnerships [Member] | Aimco OP L.P. [Member]
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Income from unconsolidated real estate partnerships		(295)	(300)
Mezzanine Investment [Member]
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Mezzanine investment (income) loss, net		257	(16,567)
Income from unconsolidated real estate partnerships		257	(16,567)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from sale of participation in Mezzanine Investment		37,500
Mezzanine Investment [Member] | Aimco OP L.P. [Member]
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Income from unconsolidated real estate partnerships		257	$ (16,567)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from sale of participation in Mezzanine Investment		$ 37,500

[1] Accrued capital expenditures were $62.8 million and $29.1 million as of June 30, 2023 and 2022, respectively.

[2] Accrued capital expenditures were $62.8 million and $29.1 million as of June 30, 2023 and 2022, respectively