CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)		3 Months Ended	9 Months Ended
		Sep. 30, 2022	Sep. 30, 2022	Sep. 30, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)		$ 34,173,000	$ 297,496,000	$ (3,798,000)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		85,438,000	143,420,000	63,065,000
Income from unconsolidated real estate partnerships		(8,423,000)	(24,990,000)	(22,654,000)
Realized and unrealized gains (losses) on interest rate options		(9,209,000)	(48,005,000)	(10,608,000)
Income tax expenses (benefit)		(17,563,000)	24,338,000	(9,881,000)
Amortization of debt issuance costs and other			2,149,000	801,000
Mezzanine investment income, net			(24,990,000)	(22,654,000)
Loss on extinguishment of debt, net			28,901,000
Lease modification income		(1,577,000)	(206,963,000)
Realized and unrealized gains (losses) on equity investments		2,145,000	(20,152,000)	(2,107,000)
Gain on disposition of real estate			(170,004,000)
Share based compensation			6,462,000	3,750,000
Changes in operating assets and operating liabilities:
Other assets, net			5,904,000	(10,930,000)
Net cash received from development property lease terminations			195,789,000
Accrued liabilities and other			(5,634,000)	13,083,000
Total adjustments			(69,244,000)	25,883,000
Net cash provided by operating activities			228,252,000	22,085,000
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of real estate			(130,122,000)	(69,601,000)
Capital expenditures	[1]		(184,048,000)	(134,855,000)
Proceeds from disposition of real estate			243,134,000
Investment in IQHQ			(14,227,000)	(12,091,000)
Redemption of IQHQ investment			16,473,000
Investment in unconsolidated real estate partnerships			(12,878,000)
Other investing activities			(1,293,000)	(96,000)
Net cash used in investing activities			(82,961,000)	(216,643,000)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from non-recourse property debt			674,720,000	59,757,000
Proceeds from construction loans			54,286,000	142,305,000
Payments of deferred loan costs			(8,244,000)	(6,634,000)
Principal repayments on non-recourse property debt			(284,562,000)	(22,307,000)
Principal repayments on construction loans			(138,404,000)
Principal repayments on notes payable to AIR			(534,127,000)
Purchase of interest rate options			(3,223,000)	(5,905,000)
Proceeds from interest rate option			15,465,000
Payments on finance leases			(25,797,000)	(7,773,000)
Payments of prepayment premiums			(25,740,000)
Common stock repurchased			(4,419,000)
Dividend paid on common stock			(3,043,000)
Distributions to noncontrolling interests			(1,052,000)
Distributions to redeemable noncontrolling interests			(917,000)
Contributions from noncontrolling interests			10,616,000
Contributions from redeemable noncontrolling interests			122,413,000
Redemption of common and preferred OP units			(209,000)
Redemption of noncontrolling interests			(7,088,000)
Redemption of redeemable noncontrolling interests			(5,094,000)
Other financing activities			(13,000)	(859,000)
Net cash provided by (used in) financing activities			(164,432,000)	158,584,000
NET DECREASE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH			(19,141,000)	(35,974,000)
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT BEGINNING OF PERIOD			244,582,000	298,735,000
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT END OF PERIOD		225,441,000	225,441,000	262,761,000
Aimco OP L.P. [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)		34,173,000	297,496,000	(3,798,000)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		85,438,000	143,420,000	63,065,000
Income from unconsolidated real estate partnerships		(8,423,000)	(24,990,000)	(22,654,000)
Realized and unrealized gains (losses) on interest rate options		(9,209,000)	(48,005,000)	(10,608,000)
Income tax expenses (benefit)		(17,563,000)	24,338,000	(9,881,000)
Amortization of debt issuance costs and other			2,149,000	801,000
Mezzanine investment income, net			(24,990,000)	(22,654,000)
Loss on extinguishment of debt, net			28,901,000
Lease modification income		(1,577,000)	(206,963,000)
Realized and unrealized gains (losses) on equity investments		2,145,000	(20,152,000)	(2,107,000)
Gain on disposition of real estate			(170,004,000)
Share based compensation			6,462,000	3,750,000
Changes in operating assets and operating liabilities:
Other assets, net			5,904,000	(10,930,000)
Net cash received from development property lease terminations			195,789,000
Accrued liabilities and other			(5,634,000)	13,083,000
Total adjustments			(69,244,000)	25,883,000
Net cash provided by operating activities			228,252,000	22,085,000
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of real estate			(130,122,000)	(69,601,000)
Capital expenditures	[2]		(184,048,000)	(134,855,000)
Proceeds from disposition of real estate			243,134,000
Investment in IQHQ			(14,227,000)	(12,091,000)
Redemption of IQHQ investment			16,473,000
Investment in unconsolidated real estate partnerships			(12,878,000)
Other investing activities			(1,293,000)	(96,000)
Net cash used in investing activities			(82,961,000)	(216,643,000)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from non-recourse property debt			674,720,000	59,757,000
Proceeds from construction loans			54,286,000	142,305,000
Payments of deferred loan costs			(8,244,000)	(6,634,000)
Principal repayments on non-recourse property debt			(284,562,000)	(22,307,000)
Principal repayments on construction loans			(138,404,000)
Principal repayments on notes payable to AIR			(534,127,000)	(5,905,000)
Purchase of interest rate options			(3,223,000)
Proceeds from interest rate option			15,465,000	(7,773,000)
Payments on finance leases			(25,797,000)
Payments of prepayment premiums			(25,740,000)
Common stock repurchased			(4,419,000)
Dividend paid on common stock			(3,043,000)
Distributions to noncontrolling interests			(1,052,000)
Distributions to redeemable noncontrolling interests			(917,000)
Contributions from noncontrolling interests			10,616,000
Contributions from redeemable noncontrolling interests			122,413,000
Redemption of common and preferred OP units			(209,000)
Redemption of noncontrolling interests			(7,088,000)
Redemption of redeemable noncontrolling interests			(5,094,000)
Other financing activities			(13,000)	(859,000)
Net cash provided by (used in) financing activities			(164,432,000)	158,584,000
NET DECREASE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH			(19,141,000)	(35,974,000)
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT BEGINNING OF PERIOD			244,582,000	298,735,000
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT END OF PERIOD		$ 225,441,000	225,441,000	262,761,000
Unconsolidated Real Estate Partnerships [Member]
Adjustments to reconcile net income to net cash provided by operating activities:
Income from unconsolidated real estate partnerships			(459,000)	743,000
Unconsolidated Real Estate Partnerships [Member] | Aimco OP L.P. [Member]
Adjustments to reconcile net income to net cash provided by operating activities:
Income from unconsolidated real estate partnerships			$ (459,000)	$ (743,000)

[1] Accrued capital expenditures were $31.4 million and $19.4 million as of September 30, 2022 and 2021, respectively.

[2] Accrued capital expenditures were $31.4 million and $19.4 million as of September 30, 2022 and 2021, respectively.