Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 701,162	$ 616,439
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	263,949	253,650
Gain on dispositions and impairments of real estate	(675,534)	(587,609)
Loss on extinguishment of debt	2,008	23,636
Income tax expense	5,911	966
Other, net	4,308	6,890
Net changes in operating assets and operating liabilities	(55)	37,484
Net cash provided by operating activities	301,749	351,456
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of real estate	(339,696)	(858,815)
Capital expenditures	(140,855)	(151,115)
Contribution to unconsolidated joint ventures	(51,836)	0
Proceeds from dispositions of real estate	52,066	759,227
Distributions from unconsolidated joint ventures	207,137	0
Proceeds from repayment of note receivable	0	534,127
Other investing activities, net	3,194	(30,500)
Net cash (used in) provided by investing activities	(269,990)	252,924
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal repayments on non-recourse property debt	(111,699)	(361,056)
Proceeds from non-recourse property debt	1,005,920	0
Repayment of term loan	(325,000)	(350,000)
Net (repayments of) borrowings on revolving credit facility	(436,250)	176,205
Proceeds from the issuance of unsecured notes payable	0	400,000
Repurchases of common partnership units held by General Partner and Special Limited Partner	(77,782)	(171,711)
Payment of dividends to holders of Common Stock	(200,137)	(210,377)
Payment of distributions to noncontrolling interests	(23,524)	(18,262)
Other financing activities, net	(30,522)	(47,294)
Net cash used in financing activities	(198,994)	(582,495)
NET (DECREASE) INCREASE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH	(167,235)	21,885
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT BEGINNING OF PERIOD	301,405	92,761
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT END OF PERIOD	134,170	114,646
Apartment Income REIT, L.P.
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	701,162	616,439
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	263,949	253,650
Gain on dispositions and impairments of real estate	(675,534)	(587,609)
Loss on extinguishment of debt	2,008	23,636
Income tax expense	5,911	966
Other, net	4,308	6,890
Net changes in operating assets and operating liabilities	(55)	37,484
Net cash provided by operating activities	301,749	351,456
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of real estate	(339,696)	(858,815)
Capital expenditures	(140,855)	(151,115)
Contribution to unconsolidated joint ventures	(51,836)	0
Proceeds from dispositions of real estate	52,066	759,227
Distributions from unconsolidated joint ventures	207,137	0
Proceeds from repayment of note receivable	0	534,127
Other investing activities, net	3,194	(30,500)
Net cash (used in) provided by investing activities	(269,990)	252,924
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal repayments on non-recourse property debt	(111,699)	(361,056)
Proceeds from non-recourse property debt	1,005,920	0
Repayment of term loan	(325,000)	(350,000)
Net (repayments of) borrowings on revolving credit facility	(436,250)	176,205
Proceeds from the issuance of unsecured notes payable	0	400,000
Repurchases of common partnership units held by General Partner and Special Limited Partner	(77,782)	(171,711)
Payment of distributions to General Partner and Special Limited Partner	(200,137)	(210,377)
Payment of distributions to Limited Partners	(13,591)	(13,439)
Payment of distributions to noncontrolling interests	(9,933)	(4,823)
Other financing activities, net	(30,522)	(47,294)
Net cash used in financing activities	(198,994)	(582,495)
NET (DECREASE) INCREASE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH	(167,235)	21,885
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT BEGINNING OF PERIOD	301,405	92,761
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT END OF PERIOD	$ 134,170	$ 114,646