Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
REVENUES
Total revenues	$ 214,560	$ 183,500	$ 426,553	$ 364,978
EXPENSES
Property operating expenses	72,012	63,787	147,465	127,023
Depreciation and amortization	89,260	78,656	184,926	163,205
General and administrative expenses	6,023	5,333	13,203	11,930
Other expenses (income), net	2,519	(3,076)	6,179	942
Total operating expenses	169,814	144,700	351,773	303,100
Interest income	1,507	25,652	3,032	39,133
Interest expense	(37,554)	(26,027)	(73,741)	(48,134)
Loss on extinguishment of debt	0	0	(2,008)	(23,636)
(Loss) gain on dispositions and impairments of real estate	(17,472)	175,606	(17,472)	587,609
Gain on derivative instruments, net	11,390	0	9,252	0
Loss from unconsolidated real estate partnerships	(842)	(873)	(1,877)	(2,887)
Income (loss) before income tax expense	1,775	213,158	(8,034)	613,963
Income tax expense	(1,177)	(1,499)	(1,316)	(920)
Net income (loss)	598	211,659	(9,350)	613,043
Noncontrolling interests:
Net (income) loss attributable to noncontrolling interests in consolidated real estate partnerships	(684)	(381)	(1,369)	183
Net income attributable to preferred noncontrolling interests in AIR Operating Partnership	(1,570)	(1,602)	(3,140)	(3,205)
Net loss (income) attributable to common noncontrolling interests in AIR Operating Partnership	315	(12,749)	1,141	(36,916)
Net income attributable to noncontrolling interests	(1,939)	(14,732)	(3,368)	(39,938)
Net (loss) income attributable to AIR	(1,341)	196,927	(12,718)	573,105
Net income attributable to AIR preferred stockholders	(42)	(43)	(85)	(85)
Net income attributable to participating securities	(56)	(162)	(93)	(417)
Net (loss) income attributable to AIR common stockholders	$ (1,439)	$ 196,722	$ (12,896)	$ 572,603
Net income attributable to AIR common stockholders per share - basic (in dollars per share)	$ (0.01)	$ 1.26	$ (0.09)	$ 3.66
Net income attributable to AIR common stockholders per share - diluted (in dollars per share)	$ (0.01)	$ 1.26	$ (0.09)	$ 3.66
Weighted average common shares/units outstanding - basic (in shares)	148,832	155,927	148,821	156,327
Weighted average common shares/units outstanding - diluted	148,832	156,136	148,821	156,607
Rental and other property revenues
REVENUES
Total revenues	$ 212,492	$ 181,012	$ 422,415	$ 360,273
Other revenues
REVENUES
Total revenues	2,068	2,488	4,138	4,705
Apartment Income REIT, L.P.
REVENUES
Total revenues	214,560	183,500	426,553	364,978
EXPENSES
Property operating expenses	72,012	63,787	147,465	127,023
Depreciation and amortization	89,260	78,656	184,926	163,205
General and administrative expenses	6,023	5,333	13,203	11,930
Other expenses (income), net	2,519	(3,076)	6,179	942
Total operating expenses	169,814	144,700	351,773	303,100
Interest income	1,507	25,652	3,032	39,133
Interest expense	(37,554)	(26,027)	(73,741)	(48,134)
Loss on extinguishment of debt	0	0	(2,008)	(23,636)
(Loss) gain on dispositions and impairments of real estate	(17,472)	175,606	(17,472)	587,609
Gain on derivative instruments, net	11,390	0	9,252	0
Loss from unconsolidated real estate partnerships	(842)	(873)	(1,877)	(2,887)
Income (loss) before income tax expense	1,775	213,158	(8,034)	613,963
Income tax expense	(1,177)	(1,499)	(1,316)	(920)
Net income (loss)	598	211,659	(9,350)	613,043
Noncontrolling interests:
Net (income) loss attributable to noncontrolling interests in consolidated real estate partnerships	(684)	(381)	(1,369)	183
Net income attributable to preferred noncontrolling interests in AIR Operating Partnership	(86)	211,278	(10,719)	613,226
Net income attributable to AIR preferred stockholders	(1,612)	(1,645)	(3,225)	(3,290)
Net income attributable to participating securities	(56)	(162)	(93)	(417)
Net (loss) income attributable to AIR common stockholders	$ (1,754)	$ 209,471	$ (14,037)	$ 609,519
Net income attributable to AIR common stockholders per share - basic (in dollars per share)	$ (0.01)	$ 1.26	$ (0.09)	$ 3.66
Net income attributable to AIR common stockholders per share - diluted (in dollars per share)	$ (0.01)	$ 1.26	$ (0.09)	$ 3.66
Weighted average common shares/units outstanding - basic (in shares)	159,778	166,023	159,531	166,434
Weighted average common shares/units outstanding - diluted	159,778	166,232	159,531	166,714
Apartment Income REIT, L.P. | Rental and other property revenues
REVENUES
Total revenues	$ 212,492	$ 181,012	$ 422,415	$ 360,273
Apartment Income REIT, L.P. | Other revenues
REVENUES
Total revenues	$ 2,068	$ 2,488	$ 4,138	$ 4,705