Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 970,050	$ 479,224	$ (103,344)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	350,945	319,742	320,943
Provision for real estate impairment loss			47,281
Loss on extinguishment of debt	23,636	156,707	0
Gain on derecognition of leased properties and dispositions of real estate	939,806	594,861	119,215
Income tax expense (benefit)	3,923	(5,246)	95,437
Other, net	(10,658)	14,590	(15,147)
Income tax benefit	(3,923)	5,246	(95,437)
Net changes in operating assets and operating liabilities:
Accounts receivable and other assets, net	27,864	(19,646)	(57,881)
Accounts payable, accrued liabilities and other	(26,713)	(17,554)	12,672
Total adjustments	(549,493)	(146,268)	379,993
Net cash provided by operating activities	420,557	332,956	276,649
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of real estate and deposits related to purchases of real estate	(861,320)	(364,055)	(4,353)
Capital expenditures	(192,404)	(174,499)	(346,914)
Proceeds from dispositions of real estate	1,209,241	915,926	159,422
Purchases of corporate assets	13,940	(5,171)	(17,328)
Proceeds from repayment of note receivable	534,127	0	0
Proceeds from investments in debt securities	0	100,852	0
Other investing activities	25,447	5,229	(29,326)
Net cash provided by (used in) investing activities	650,257	478,282	(349,999)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from non-recourse property debt	54,156		643,756
Principal repayments on non-recourse property debt of continuing operations	(449,535)	(1,492,446)	(772,935)
Proceeds from term loans		1,150,000	350,000
Repayment of term loan	(350,000)	(350,000)
Net borrowings on (repayments of) revolving credit facility	159,205	36,756	(9,400)
Payment of debt extinguishment costs	(22,680)	(149,725)	(14,831)
Cash distributed to Aimco in Separation			(257,296)
Proceeds from issuance of unsecured notes payable	400,000
Proceeds from the issuance of Common Stock		342,470
Repurchases of common partnership units held by GP and Special Limited Partner	(316,710)	0	(10,004)
Payment of dividends to holders of Common Stock	(277,551)	(269,601)	(304,992)
Payment of distributions to noncontrolling interests	(35,472)	(28,170)	(18,455)
Redemptions of noncontrolling interests in the AIR Operating Partnership	(13,394)	(17,905)	(20,259)
Contribution from noncontrolling interests in consolidated real estate partnerships	9,206	7,458	456,675
Other financing activities	(19,395)	(20,794)	(24,103)
Net cash used in financing activities	(862,170)	(791,957)	(26,037)
NET INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH	208,644	19,281	(99,387)
NET DECREASE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH OF DISCONTINUED OPERATIONS			6,326
NET INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH OF CONTINUING OPERATIONS	208,644	19,281	(93,061)
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT BEGINNING OF PERIOD	92,761	73,480	166,541
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT END OF PERIOD	301,405	92,761	73,480
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid, net of amounts capitalized	114,340	130,202	145,000
Cash paid for income taxes	5,528	6,763	12,168
Non-cash transactions associated with the acquisition or disposition of real estate:
Non-recourse property debt assumed in connection with the acquisition of real estate	0	259,248	0
Real estate tax liability assumed in connection with the acquisition of real estate	802	0	0
Issuance of common OP Units in connection with acquisition of real estate	0	121,557	0
Other non-cash transactions:
Assets, net of liabilities distributed to Aimco	0	0	559,753
Other liabilities incurred in the Separation, net	0	7,541	5,506
Recognition of right-of-use lease assets	80,651	0	9,667
Recognition of lease liabilities	80,651	0	9,667
Accrued capital expenditures (at end of period)	10,701	9,732	31,323
Accrued dividends on TSR restricted stock and LTIP awards (at end of period)	1,131	1,070	1,327
Apartment Income REIT, L.P [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	970,050	479,224	(103,344)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	350,945	319,742	320,943
Provision for real estate impairment loss	0	0	47,281
Loss on extinguishment of debt	23,636	156,707	0
Gain on derecognition of leased properties and dispositions of real estate	(939,806)	(594,861)	(119,215)
Income tax expense (benefit)	3,923	(5,246)	95,437
Other, net	10,658	14,590	(15,147)
Income tax benefit	(3,923)	5,246	(95,437)
Net changes in operating assets and operating liabilities:
Accounts receivable and other assets, net	27,864	(19,646)	(57,881)
Accounts payable, accrued liabilities and other	(26,713)	(17,554)	12,672
Total adjustments	(549,493)	(146,268)	379,993
Net cash provided by operating activities	420,557	332,956	276,649
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of real estate and deposits related to purchases of real estate	(861,320)	(364,055)	(4,353)
Capital expenditures	(192,404)	(174,499)	(346,914)
Proceeds from dispositions of real estate	1,209,241	915,926	159,422
Purchases of corporate assets	(13,940)	(5,171)	(17,328)
Proceeds from repayment of note receivable	534,127
Proceeds from investments in debt securities		100,852
Other investing activities	(25,447)	(5,229)	(29,326)
Net cash provided by (used in) investing activities	650,257	478,282	(349,999)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from non-recourse property debt	54,156		643,756
Principal repayments on non-recourse property debt of continuing operations	(449,535)	(1,492,446)	(772,935)
Proceeds from term loans		1,150,000	350,000
Repayment of term loan	(350,000)	(350,000)
Net borrowings on (repayments of) revolving credit facility	159,205	36,756	(9,400)
Payment of debt extinguishment costs	(22,680)	(149,725)	(14,831)
Cash distributed to Aimco in Separation			(257,296)
Proceeds from issuance of unsecured notes payable	400,000
Proceeds from the issuance of Common Stock		342,470
Repurchases of common partnership units held by GP and Special Limited Partner	(316,710)		(10,004)
Payment of distributions General Partner and Special Limited Parter	(277,551)	(269,601)	(304,992)
Payment of distributions to Limited Partners	(17,849)	(15,257)	(16,667)
Payment of distributions to noncontrolling interests	(17,623)	(12,913)	(1,788)
Redemption of common and preferred units	(13,394)	(17,905)	(20,259)
Contribution from noncontrolling interests in consolidated real estate partnerships	9,206	7,458	456,675
Other financing activities	(19,395)	(20,794)	(24,103)
Net cash used in financing activities	(862,170)	(791,957)	(26,037)
NET INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH	208,644	19,281	(99,387)
NET DECREASE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH OF DISCONTINUED OPERATIONS			6,326
NET INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH OF CONTINUING OPERATIONS	208,644	19,281	(93,061)
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT BEGINNING OF PERIOD	92,761	73,480	166,541
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT END OF PERIOD	301,405	92,761	73,480
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid, net of amounts capitalized	114,340	130,202	145,000
Cash paid for income taxes	5,528	6,763	12,168
Non-cash transactions associated with the acquisition or disposition of real estate:
Non-recourse property debt assumed in connection with the acquisition of real estate	0	259,248	0
Real estate tax liability assumed in connection with the acquisition of real estate	802	0	0
Issuance of common OP Units in connection with acquisition of real estate	0	121,557	0
Other non-cash transactions:
Assets, net of liabilities distributed to Aimco	0	0	559,753
Other liabilities incurred in the Separation, net	0	7,541	5,506
Recognition of right-of-use lease assets	80,651	0	9,667
Recognition of lease liabilities	80,651	0	9,667
Accrued capital expenditures (at end of period)	10,701	9,732	31,323
Accrued dividends on TSR restricted stock and LTIP awards (at end of period)	1,131	1,070	1,327
Discontinued Operations [Member]
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Income tax expense (benefit)			(7,939)
Depreciation and amortization			72,729
Income tax benefit			7,939
Other non-cash adjustments, net			819
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of real estate and deposits related to purchases of real estate	0	0	(92,485)
Capital expenditures	0	0	(19,015)
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal repayments on non-recourse property debt of continuing operations			(44,193)
Discontinued Operations [Member] | Apartment Income REIT, L.P [Member]
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Income tax expense (benefit)			(7,939)
Depreciation and amortization			72,729
Income tax benefit			7,939
Other non-cash adjustments, net			819
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of real estate and deposits related to purchases of real estate			(92,485)
Capital expenditures			(19,015)
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal repayments on non-recourse property debt of continuing operations			$ (44,193)