3.26.1 html 20 32 1 false 9 0 false 2 false false R1.htm 75000 - Document - Cover Sheet http://www.aimco.com/20260422/taxonomy/role/DocumentCover Cover Cover 1 false false R2.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 2 false false R3.htm 995443 - Disclosure - Award Timing Disclosure Sheet http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure Award Timing Disclosure Notes 3 false false R4.htm 995447 - Disclosure - Insider Trading Policies and Procedures Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc Insider Trading Policies and Procedures Notes 4 false false All Reports Book All Reports aiv-20260422.htm aiv-20260422.xsd img101180504_0.jpg img101180504_1.jpg img101180504_10.jpg img101180504_11.jpg img101180504_12.jpg img101180504_13.jpg img101180504_14.jpg img101180504_15.jpg img101180504_16.jpg img101180504_17.jpg img101180504_18.jpg img101180504_19.jpg img101180504_2.jpg img101180504_20.gif img101180504_21.gif img101180504_22.gif img101180504_23.gif img101180504_24.jpg img101180504_25.gif img101180504_26.gif img101180504_27.gif img101180504_28.gif img101180504_29.jpg img101180504_3.jpg img101180504_30.jpg img101180504_31.jpg img101180504_4.jpg img101180504_5.jpg img101180504_6.jpg img101180504_7.jpg img101180504_8.jpg img101180504_9.jpg http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 false false