CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
ASSETS
Buildings and improvements	$ 1,391,963	$ 1,322,381
Land	640,892	641,102
Total real estate	2,032,855	1,963,483
Accumulated depreciation	(545,604)	(530,722)
Net real estate	1,487,251	1,432,761
Cash and cash equivalents	166,149	206,460
Restricted cash	22,485	23,306
Mezzanine investment	158,430	158,558
Unconsolidated real estate partnerships	16,470	15,789
Notes receivable	39,363	39,014
Right-of-use lease assets- finance leases	110,625	110,269
Other assets, net	127,894	132,679
Total assets	2,189,175	2,181,223
LIABILITIES AND EQUITY
Non-recourse property debt, net	929,291	929,501
Construction loans, net	155,691	118,698
Total indebtedness	1,084,982	1,048,199
Deferred tax liabilities	114,883	119,615
Lease liabilities - finance leases	116,212	114,625
Accrued liabilities and other	97,220	106,600
Total liabilities	1,413,297	1,389,039
Redeemable noncontrolling interests in consolidated real estate partnerships	167,129	166,826
Commitments and contingencies (Note 3)
Equity (510,587,500 shares authorized at both March 31, 2023 and December 31, 2022):
Common Stock, $0.01 par value, 144,718,453 and 146,524,941 shares issued and outstanding at March 31, 2023 and December 31, 2022, respectively	1,448	1,466
Additional paid-in capital	489,304	496,482
Retained earnings	41,087	49,904
Total Aimco equity	531,839	547,852
Noncontrolling interests in consolidated real estate partnerships	48,321	48,294
Common noncontrolling interests in Aimco Operating Partnership	28,589	29,212
Total equity	608,749	625,358
Total liabilities and equity	2,189,175	2,181,223
Aimco OP L.P. [Member]
ASSETS
Buildings and improvements	1,391,963	1,322,381
Land	640,892	641,102
Total real estate	2,032,855	1,963,483
Accumulated depreciation	(545,604)	(530,722)
Net real estate	1,487,251	1,432,761
Cash and cash equivalents	166,149	206,460
Restricted cash	22,485	23,306
Mezzanine investment	158,430	158,558
Unconsolidated real estate partnerships	16,470	15,789
Notes receivable	39,363	39,014
Right-of-use lease assets- finance leases	110,625	110,269
Other assets, net	127,894	132,679
Total assets	2,189,175	2,181,223
LIABILITIES AND EQUITY
Non-recourse property debt, net	929,291	929,501
Construction loans, net	155,691	118,698
Total indebtedness	1,084,982	1,048,199
Deferred tax liabilities	114,883	119,615
Lease liabilities - finance leases	116,212	114,625
Accrued liabilities and other	97,220	106,600
Total liabilities	1,413,297	1,389,039
Redeemable noncontrolling interests in consolidated real estate partnerships	167,129	166,826
Commitments and contingencies (Note 3)
Equity (510,587,500 shares authorized at both March 31, 2023 and December 31, 2022):
General Partner and Special Limited Partner	531,839	547,852
Limited Partners	28,589	29,212
Partners’ capital attributable to Aimco Operating Partnership	560,428	577,064
Noncontrolling interests in consolidated real estate partnerships	48,321	48,294
Total partners’ capital	608,749	625,358
Total liabilities and equity	2,189,175	2,181,223
Interest Rate Options
ASSETS
Interest rate options	60,508	62,387
Interest Rate Options | Aimco OP L.P. [Member]
ASSETS
Interest rate options	$ 60,508	$ 62,387