CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
ASSETS
Buildings and improvements	$ 1,323,647	$ 1,257,214
Land	574,434	534,285
Total real estate	1,898,081	1,791,499
Accumulated depreciation	(576,243)	(561,115)
Net real estate	1,321,838	1,230,384
Cash and cash equivalents	109,011	233,374
Restricted cash	68,612	11,208
Mezzanine investment	346,034	337,797
Right-of-use lease assets	522,874	429,768
Other assets, net	181,061	165,913
Total assets	2,593,844	2,434,101
LIABILITIES AND EQUITY
Non-recourse property debt,net	512,301	483,137
Construction loans, net	180,562	163,570
Notes payable to AIR	534,127	534,127
Total indebtedness	1,226,990	1,180,834
Deferred tax liabilities	123,641	124,747
Lease liabilities	509,235	435,093
Accrued liabilities and other	114,761	97,400
Total liabilities	1,974,627	1,838,074
Redeemable noncontrolling interests in consolidated real estate partnerships	37,232	33,794
Commitments and contingencies (Note 4)
Equity:
Common Stock, $0.01 par value, 510,587,500 shares authorized at both March 31, 2022 and December 31, 2021, and 149,689,847 and 149,818,021 shares issued and outstanding at March 31, 2022 and December 31, 2021, respectively	1,497	1,498
Additional paid-in capital	523,455	521,842
Accumulated deficit	(14,571)	(22,775)
Total Aimco equity	510,381	500,565
Noncontrolling interests in consolidated real estate partnerships	44,629	35,213
Common noncontrolling interests in Aimco Operating Partnership	26,975	26,455
Total equity	581,985	562,233
Total liabilities and equity	2,593,844	2,434,101
Aimco OP L.P. [Member]
ASSETS
Buildings and improvements	1,323,647	1,257,214
Land	574,434	534,285
Total real estate	1,898,081	1,791,499
Accumulated depreciation	(576,243)	(561,115)
Net real estate	1,321,838	1,230,384
Cash and cash equivalents	109,011	233,374
Restricted cash	68,612	11,208
Mezzanine investment	346,034	337,797
Right-of-use lease assets	522,874	429,768
Other assets, net	181,061	165,913
Total assets	2,593,844	2,434,101
LIABILITIES AND EQUITY
Non-recourse property debt,net	512,301	483,137
Construction loans, net	180,562	163,570
Notes payable to AIR	534,127	534,127
Total indebtedness	1,226,990	1,180,834
Deferred tax liabilities	123,641	124,747
Lease liabilities	509,235	435,093
Accrued liabilities and other	114,761	97,400
Total liabilities	1,974,627	1,838,074
Redeemable noncontrolling interests in consolidated real estate partnerships	37,232	33,794
Commitments and contingencies (Note 4)
Equity:
General Partner and Special Limited Partner	510,381	500,565
Limited Partners	26,975	26,455
Partners’ capital attributable to Aimco Operating Partnership	537,356	527,020
Noncontrolling interests in consolidated real estate partnerships	44,629	35,213
Total partners’ capital	581,985	562,233
Total liabilities and equity	2,593,844	2,434,101
Interest Rate Options
ASSETS
Interest rate options	44,414	25,657
Interest Rate Options | Aimco OP L.P. [Member]
ASSETS
Interest rate options	$ 44,414	$ 25,657