Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
REVENUES:
Total revenues	$ 773,723	$ 740,853	$ 719,556
EXPENSES
Property operating expenses	261,264	268,101	249,036
Depreciation and amortization	350,945	319,742	320,943
General and administrative expenses	24,939	18,585	46,377
Provision for real estate impairment loss			47,281
Other expenses, net	9,073	27,220	73,860
Total operating expenses	646,221	633,648	737,497
Interest income	50,264	58,651	12,374
Interest expense	(116,459)	(129,467)	(147,035)
Loss on extinguishment of debt	(23,636)	(156,707)	(13,324)
Gain on dispositions of real estate and derecognition of leased properties	939,806	594,861	119,215
Mezzanine investment income, net	0	0	27,576
loss from unconsolidated real estate partnerships	(3,504)	(565)	0
Income (loss) from continuing operations before income tax benefit (expense) and discontinued operations	973,973	473,978	(19,135)
Income tax benefit	(3,923)	5,246	(95,437)
Income (loss) from continuing operations	970,050	479,224	(114,572)
Income from discontinued operations, net of tax	0	0	11,228
Net income (loss)	970,050	479,224	(103,344)
Noncontrolling interests:
Net (income) loss attributable to noncontrolling interests in consolidated real estate partnerships	458	(3,243)	(798)
Net income attributable to preferred noncontrolling interests in AIR Operating Partnership	(6,388)	(6,413)	(7,019)
Net (income) loss attributable to common noncontrolling interests in AIR Operating Partnership	(58,772)	(28,433)	5,438
Net (income) loss attributable to noncontrolling interests	(65,618)	(31,603)	(783)
Net income (loss) attributable to the AIR	904,432	447,621	(104,127)
Net income attributable to AIR preferred stockholders	(172)	(181)	0
Net income attributable to participating securities	(618)	(316)	(202)
Basic net income (loss) attributable to AIR	$ 903,642	$ 447,124	$ (104,329)
Earnings (loss) per common unit - basic:
Income (loss) from continuing operations attributable to AIR per common share	$ 5.86	$ 2.90	$ (0.94)
Income (loss) from discontinued operations attributable to AIR per common share	0	0	0.09
Earnings per share - basic	5.86	2.90	(0.85)
Earnings (loss) per common share - diluted
Income (loss) from continuing operations attributable to AIR per common share/unit	5.81	2.89	(0.94)
Income (loss) from discontinued operations attributable to AIR per common share	0	0	0.09
Earnings per share - diluted	$ 5.81	$ 2.89	$ (0.85)
Weighted average common shares/units outstanding - basic	154,093	154,135	122,446
Weighted average common shares/units outstanding - diluted	156,587	154,503	122,446
Apartment Income REIT, L.P [Member]
REVENUES:
Total revenues	$ 773,723	$ 740,853	$ 719,556
EXPENSES
Property operating expenses	261,264	268,101	249,036
Depreciation and amortization	350,945	319,742	320,943
General and administrative expenses	24,939	18,585	46,377
Provision for real estate impairment loss	0	0	47,281
Other expenses, net	9,073	27,220	73,860
Total operating expenses	646,221	633,648	737,497
Interest income	50,264	58,651	12,374
Interest expense	(116,459)	(129,467)	(147,035)
Loss on extinguishment of debt	(23,636)	(156,707)	(13,324)
Gain on dispositions of real estate and derecognition of leased properties	939,806	594,861	119,215
Mezzanine investment income, net	0	0	27,576
loss from unconsolidated real estate partnerships	(3,504)	(565)	0
Income (loss) from continuing operations before income tax benefit (expense) and discontinued operations	973,973	473,978	(19,135)
Income tax benefit	(3,923)	5,246	(95,437)
Income (loss) from continuing operations	970,050	479,224	(114,572)
Income from discontinued operations, net of tax	0	0	11,228
Net income (loss)	970,050	479,224	(103,344)
Noncontrolling interests:
Net (income) loss attributable to noncontrolling interests in consolidated real estate partnerships	(458)	3,243	798
Net income (loss) attributable to the AIR	969,592	482,467	(102,546)
Net income attributable to AIR preferred stockholders	(6,560)	(6,594)	(7,019)
Net income attributable to participating securities	(618)	(316)	(202)
Basic net income (loss) attributable to AIR	$ 962,414	$ 475,557	$ (109,767)
Earnings (loss) per common unit - basic:
Income (loss) from continuing operations attributable to AIR per common share	$ 5.86	$ 2.92	$ (0.94)
Income (loss) from discontinued operations attributable to AIR per common share	0	0	0.09
Earnings per share - basic	5.86	2.92	(0.85)
Earnings (loss) per common share - diluted
Income (loss) from continuing operations attributable to AIR per common share/unit	5.81	2.92	(0.94)
Income (loss) from discontinued operations attributable to AIR per common share	0	0	0.09
Earnings per share - diluted	$ 5.81	$ 2.92	$ (0.85)
Weighted average common shares/units outstanding - basic	164,141	162,739	128,775
Weighted average common shares/units outstanding - diluted	166,635	163,108	128,775
Rental and Other Property Revenues [Member]
REVENUES:
Total revenues	$ 764,192	$ 733,483	$ 719,556
Rental and Other Property Revenues [Member] | Apartment Income REIT, L.P [Member]
REVENUES:
Total revenues	764,192	733,483	719,556
Other Revenues [Member]
REVENUES:
Total revenues	9,531	7,370	0
Other Revenues [Member] | Apartment Income REIT, L.P [Member]
REVENUES:
Total revenues	$ 9,531	$ 7,370	$ 0