CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
REVENUES
Rental and other property revenues	$ 50,697	$ 40,418	$ 100,691	$ 80,222
OPERATING EXPENSES
Property operating expenses	19,708	16,403	38,929	33,345
Depreciation and amortization	34,863	20,639	57,981	41,356
General and administrative expenses	8,961	7,383	18,433	13,694
Total operating expenses	63,532	44,425	115,343	88,395
Interest expense	(41,546)	(12,638)	(56,147)	(25,315)
Mezzanine investment income, net	8,330	7,551	16,567	15,018
Realized and unrealized gains (losses) on interest rate options	20,017	(16,970)	38,795	8,377
Realized and unrealized gains (losses) on equity investments	26,630	875	22,297	875
Gain on dispositions of real estate	94,598		94,465
Lease modification income	205,387		205,387
Other (expense) income, net	(1,413)	2,043	(1,488)	2,406
Income (expense) before income tax benefit	299,168	(23,146)	305,224	(6,812)
Income tax (expense) benefit	(45,957)	2,760	(41,901)	7,860
Net income (loss)	253,211	(20,386)	263,323	1,048
Noncontrolling interests:
Net (income) loss attributable to redeemable noncontrolling interests in consolidated real estate partnerships	(1,069)	(66)	(2,539)	86
Net (income) loss attributable to noncontrolling interests in consolidated real estate partnerships	(346)	(275)	(344)	(566)
Net income (loss) attributable to common noncontrolling interests in Aimco Operating Partnership	(12,659)	1,037	(13,094)	(44)
Net income (loss) attributable to Aimco	$ 239,137	$ (19,690)	$ 247,346	$ 524
Net income (loss) attributable to Aimco per common share -basic (Note 6)	$ 1.58	$ (0.13)	$ 1.63	$ 0.00
Net income (loss) attributable to Aimco per common share - diluted (Note 6)	$ 1.57	$ (0.13)	$ 1.62	$ 0.00
Weighted-average common shares/units outstanding - basic	149,600	149,166	149,694	149,082
Weighted-average common shares/units outstanding - diluted	150,423	149,166	150,660	149,442
Aimco OP L.P. [Member]
REVENUES
Rental and other property revenues	$ 50,697	$ 40,418	$ 100,691	$ 80,222
OPERATING EXPENSES
Property operating expenses	19,708	16,403	38,929	33,345
Depreciation and amortization	34,863	20,639	57,981	41,356
General and administrative expenses	8,961	7,383	18,433	13,694
Total operating expenses	63,532	44,425	115,343	88,395
Interest expense	(41,546)	(12,638)	(56,147)	(25,315)
Mezzanine investment income, net	8,330	7,551	16,567	15,018
Realized and unrealized gains (losses) on interest rate options	20,017	(16,970)	38,795	8,377
Realized and unrealized gains (losses) on equity investments	26,630	875	22,297	875
Gain on dispositions of real estate	94,598		94,465
Lease modification income	205,387		205,387
Other (expense) income, net	(1,413)	2,043	(1,488)	2,406
Income (expense) before income tax benefit	299,168	(23,146)	305,224	(6,812)
Income tax (expense) benefit	(45,957)	2,760	(41,901)	7,860
Net income (loss)	253,211	(20,386)	263,323	1,048
Noncontrolling interests:
Net (income) loss attributable to redeemable noncontrolling interests in consolidated real estate partnerships	(1,069)	(66)	(2,539)	86
Net (income) loss attributable to noncontrolling interests in consolidated real estate partnerships	(346)	(275)	(344)	(566)
Net income (loss) attributable to Aimco	$ 251,796	$ (20,727)	$ 260,440	$ 568
Net income (loss) attributable to Aimco per common share -basic (Note 6)	$ 1.58	$ (0.13)	$ 1.63	$ 0.00
Net income (loss) attributable to Aimco per common share - diluted (Note 6)	$ 1.57	$ (0.13)	$ 1.62	$ 0.00
Weighted-average common shares/units outstanding - basic	157,525	157,134	157,621	157,093
Weighted-average common shares/units outstanding - diluted	158,447	157,134	158,666	157,453