CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
REVENUES
Rental and other property revenues	$ 49,994	$ 39,804
OPERATING EXPENSES
Property operating expenses	19,221	16,942
Depreciation and amortization	23,118	20,717
General and administrative expenses	9,472	6,311
Total operating expenses	51,811	43,970
Interest expense	(14,601)	(12,677)
Mezzanine / Unconsolidated partnerships investment income, net	8,237	7,467
Unrealized gains on interest rate options	18,778	25,347
Other (expense) income, net	(4,541)	363
Income before income tax benefit	6,056	16,334
Income tax benefit	4,056	5,100
Net income	10,112	21,434
Noncontrolling interests:
Net (income) loss attributable to redeemable noncontrolling interest in consolidated real estate partnership	(1,470)	152
Net loss(income) attributable to noncontrolling interests in consolidated real estate partnerships	2	(291)
Net income attributable to common noncontrolling interests in Aimco Operating Partnership	(435)	(1,081)
Net income attributable to Aimco	$ 8,209	$ 20,214
Net income attributable to Aimco per common share -basic (Note 6)	$ 0.05	$ 0.14
Net income attributable to Aimco per common share - diluted (Note 6)	$ 0.05	$ 0.14
Weighted average common shares/units outstanding - basic	149,790	148,914
Weighted average common shares/units outstanding - diluted	150,348	149,046
Aimco OP L.P. [Member]
REVENUES
Rental and other property revenues	$ 49,994	$ 39,804
OPERATING EXPENSES
Property operating expenses	19,221	16,942
Depreciation and amortization	23,118	20,717
General and administrative expenses	9,472	6,311
Total operating expenses	51,811	43,970
Interest expense	(14,601)	(12,677)
Mezzanine / Unconsolidated partnerships investment income, net	8,237	7,467
Unrealized gains on interest rate options	18,778	25,347
Other (expense) income, net	(4,541)	363
Income before income tax benefit	6,056	16,334
Income tax benefit	4,056	5,100
Net income	10,112	21,434
Noncontrolling interests:
Net (income) loss attributable to redeemable noncontrolling interest in consolidated real estate partnership	(1,470)	152
Net loss(income) attributable to noncontrolling interests in consolidated real estate partnerships	2	(291)
Net income attributable to Aimco	$ 8,644	$ 21,295
Net income attributable to Aimco per common share -basic (Note 6)	$ 0.05	$ 0.14
Net income attributable to Aimco per common share - diluted (Note 6)	$ 0.05	$ 0.14
Weighted average common shares/units outstanding - basic	157,718	156,882
Weighted average common shares/units outstanding - diluted	158,485	157,014