Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
ASSETS
Buildings and improvements	$ 5,971,806	$ 6,127,249
Land	1,329,521	1,341,615
Total real estate	7,301,327	7,468,864
Accumulated depreciation	(2,585,474)	(2,455,505)
Net real estate	4,715,853	5,013,359
Cash and cash equivalents	73,687	44,214
Restricted cash	23,440	29,266
Notes receivable from Aimco	534,127	534,127
Leased real estate assets	466,448	0
Goodwill	32,286	32,286
Other assets	588,668	576,026
Total assets	6,434,509	6,229,278
LIABILITIES AND EQUITY
Non-recourse property debt, net	3,013,913	3,628,236
Term loans, net	1,143,867	349,164
Revolving credit facility borrowings	78,200	265,600
Total indebtedness	4,235,980	4,243,000
Accrued liabilities and other	610,217	598,736
Total liabilities	4,846,197	4,841,736
Preferred noncontrolling interests in AIR Operating Partnership	79,377	79,449
Commitments and contingencies (Note 4)
Equity:
Perpetual preferred stock	2,000	2,000
Common Stock, $0.01 par value, 1,021,175,000 shares authorized at September 30, 2021 and December 31, 2020, and 156,983,542 and 148,861,036 shares issued/outstanding at September 30, 2021 and December 31, 2020, respectively	1,570	1,489
Additional paid-in capital	3,773,936	3,432,121
Accumulated other comprehensive income	0	3,039
Distributions in excess of earnings	(2,257,562)	(2,131,798)
Total AIR equity	1,519,944	1,306,851
Noncontrolling interests in consolidated real estate partnerships	(68,098)	(61,943)
Common noncontrolling interests in AIR Operating Partnership	57,089	63,185
Total equity	1,508,935	1,308,093
Total liabilities and equity	6,434,509	6,229,278
Apartment Income REIT, L.P [Member]
ASSETS
Buildings and improvements	5,971,806	6,127,249
Land	1,329,521	1,341,615
Total real estate	7,301,327	7,468,864
Accumulated depreciation	(2,585,474)	(2,455,505)
Net real estate	4,715,853	5,013,359
Cash and cash equivalents	73,687	44,214
Restricted cash	23,440	29,266
Notes receivable from Aimco	534,127	534,127
Leased real estate assets	466,448
Goodwill	32,286	32,286
Other assets	588,668	576,026
Total assets	6,434,509	6,229,278
LIABILITIES AND EQUITY
Non-recourse property debt, net	3,013,913	3,628,236
Term loans, net	1,143,867	349,164
Revolving credit facility borrowings	78,200	265,600
Total indebtedness	4,235,980	4,243,000
Accrued liabilities and other	610,217	598,736
Total liabilities	4,846,197	4,841,736
Preferred noncontrolling interests in AIR Operating Partnership	79,377	79,449
Commitments and contingencies (Note 4)
Equity:
Preferred units	2,000	2,000
General Partner and Special Limited Partner	1,517,944	1,304,851
Limited Partners	57,089	63,185
Partners’ capital attributable to the AIR Operating Partnership	1,577,033	1,370,036
Partners' Capital Attributable to Noncontrolling Interest	(68,098)	(61,943)
Total partners’ capital	1,508,935	1,308,093
Total liabilities and equity	$ 6,434,509	$ 6,229,278