CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
ASSETS
Buildings and improvements	$ 1,638,190	$ 1,593,802
Land	620,488	620,821
Total real estate	2,258,678	2,214,623
Accumulated depreciation	(597,380)	(580,802)
Net real estate	1,661,298	1,633,821
Cash and cash equivalents	121,814	122,601
Restricted cash	18,589	16,666
Unconsolidated real estate partnerships	23,282	23,125
Notes receivable	$ 58,187	$ 57,554
Financing Receivable, after Allowance for Credit Loss, Related Party, Type [Extensible Enumeration]	Related Party [Member]	Related Party [Member]
Right-of-use lease assets- finance leases	$ 108,673	$ 108,992
Other assets, net	122,976	121,461
Total assets	2,119,891	2,089,475
LIABILITIES AND EQUITY
Non-recourse property debt, net	845,671	846,298
Non-recourse construction loans, net	336,332	301,443
Total indebtedness	1,182,003	1,147,741
Deferred tax liabilities	108,487	110,284
Lease liabilities - finance leases	119,269	118,697
Accrued liabilities and other	131,554	121,143
Total liabilities	1,541,313	1,497,865
Redeemable noncontrolling interests in consolidated real estate partnerships	173,158	171,632
Commitments and contingencies (Note 3)
Equity (510,587,500 shares authorized at both March 31, 2024 and December 31, 2023):
Common Stock, $0.01 par value, 140,210,798 and 140,576,102 shares issued and outstanding at March 31, 2024 and December 31, 2023, respectively	1,402	1,406
Additional paid-in capital	460,907	464,538
Retained earnings (deficit)	(126,478)	(116,292)
Total Aimco equity	335,831	349,652
Noncontrolling interests in consolidated real estate partnerships	51,333	51,265
Common noncontrolling interests in Aimco Operating Partnership	18,256	19,061
Total equity	405,420	419,978
Partners' capital:
Total liabilities and equity	2,119,891	2,089,475
Aimco OP L.P. [Member]
ASSETS
Buildings and improvements	1,638,190	1,593,802
Land	620,488	620,821
Total real estate	2,258,678	2,214,623
Accumulated depreciation	(597,380)	(580,802)
Net real estate	1,661,298	1,633,821
Cash and cash equivalents	121,814	122,601
Restricted cash	18,589	16,666
Unconsolidated real estate partnerships	23,282	23,125
Notes receivable	$ 58,187	$ 57,554
Financing Receivable, after Allowance for Credit Loss, Related Party, Type [Extensible Enumeration]	Related Party [Member]	Related Party [Member]
Right-of-use lease assets- finance leases	$ 108,673	$ 108,992
Other assets, net	122,976	121,461
Total assets	2,119,891	2,089,475
LIABILITIES AND EQUITY
Non-recourse property debt, net	845,671	846,298
Non-recourse construction loans, net	336,332	301,443
Total indebtedness	1,182,003	1,147,741
Deferred tax liabilities	108,487	110,284
Lease liabilities - finance leases	119,269	118,697
Accrued liabilities and other	131,554	121,143
Total liabilities	1,541,313	1,497,865
Redeemable noncontrolling interests in consolidated real estate partnerships	173,158	171,632
Commitments and contingencies (Note 3)
Partners' capital:
General Partner and Special Limited Partner	335,831	349,652
Limited Partners	18,256	19,061
Partners’ capital attributable to Aimco Operating Partnership	354,087	368,713
Noncontrolling interests in consolidated real estate partnerships	51,333	51,265
Total partners’ capital	405,420	419,978
Total liabilities and equity	2,119,891	2,089,475
Interest Rate Options
ASSETS
Interest rate options	5,072	5,255
Interest Rate Options | Aimco OP L.P. [Member]
ASSETS
Interest rate options	$ 5,072	$ 5,255