Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2022	Aug. 02, 2022
Document Information [Line Items]
Entity Registrant Name	Apartment Investment and Management Company
Entity Central Index Key	0000922864
Document Type	10-Q
Document Period End Date	Jun. 30, 2022
Amendment Flag	false
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Shell Company	false
Trading Symbol	AIV
Entity File Number	1-13232
Entity Tax Identification Number	84-1259577
Entity Address, State or Province	MD
Entity Address, Address Line One	4582 South Ulster Street
Entity Address, Address Line Two	Suite 1450
Entity Address, City or Town	Denver
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80237
City Area Code	303
Local Phone Number	224-7900
Entity Common Stock, Shares Outstanding		152,148,729
Title of 12(b) Security	Class A Common Stock (Apartment Investment and Management Company)
Security Exchange Name	NYSE
Document Quarterly Report	true
Document Transition Report	false
Aimco OP L.P. [Member]
Document Information [Line Items]
Entity Registrant Name	Aimco OP L.P.
Entity Central Index Key	0000926660
Document Type	10-Q
Document Period End Date	Jun. 30, 2022
Amendment Flag	false
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Emerging Growth Company	true
Entity Ex Transition Period	true
Entity Small Business	false
Entity Shell Company	false
Entity File Number	0-56223
Entity Tax Identification Number	85-2460835
Entity Address, State or Province	DE
Entity Address, Address Line One	4582 South Ulster Street
Entity Address, Address Line Two	Suite 1450
Entity Address, City or Town	Denver
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80237
City Area Code	303
Local Phone Number	224-7900