Partners’ Capital (Deficit) - Narrative (Details) - AIMCO PROPERTIES, L.P. - shares	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Related Party Transaction [Line Items]
Redeemable partnership preferred units redeemed for cash during period (in shares)	15,000,000	843,000	50
Common OP Units redeemed in exchange for cash during period (in shares))	114,000,000	1,068,000	528,000