v3.26.1
Summary of Significant Accounting Policies - Narrative (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
entity
shares
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
entity
apartment
$ / shares
shares
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
entity
shares
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]          
Number of consolidated VIEs | entity 4   4   4
Number of apartment communities in holding period, expected to sell | apartment     1    
Loss on impairment of real estate $ 2,035,000 $ 0 $ 2,035,000 $ 0  
Goodwill 26,151,000   26,151,000   $ 32,286,000
Loss on impairment of goodwill $ 6,136,000 $ 0 $ 6,136,000 $ 0  
AIMCO PROPERTIES, L.P          
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]          
Units outstanding (in shares) | shares 1,986,635   1,986,635   1,988,454
AIMCO PROPERTIES, L.P | Minimum          
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]          
Distributions per annum     1.92%    
Distribution made to limited partner, distributions paid, per unit (in dollars per share) | $ / shares     $ 0.48    
AIMCO PROPERTIES, L.P | Maximum          
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]          
Distributions per annum     8.75%    
Distribution made to limited partner, distributions paid, per unit (in dollars per share) | $ / shares     $ 8.00    
Affiliated Entity          
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]          
Other receivables $ 4,900,000   $ 4,900,000   $ 2,300,000