XML 23 R1.htm IDEA: XBRL DOCUMENT v3.20.4
Document and Entity Information - USD ($)
$ in Billions
 12 Months Ended
Dec. 31, 2020
Mar. 05, 2021
Dec. 15, 2020
Document Information [Line Items]      
Entity Registrant Name APARTMENT INCOME REIT CORP.    
Entity Central Index Key 0001820877    
Document Type 10-K    
Document Period End Date Dec. 31, 2020    
Amendment Flag false    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY    
Current Fiscal Year End Date --12-31    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Emerging Growth Company false    
Entity Small Business false    
Entity Shell Company false    
Trading Symbol AIRC    
Entity File Number 1-39686    
Entity Tax Identification Number 84-1299717    
Entity Incorporation, State or Country Code MD    
Entity Address, Address Line One 4582 South Ulster Street    
Entity Address, Address Line Two Suite 1700    
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 757-8101    
Entity Common Stock, Shares Outstanding   148,985,740  
Title of 12(b) Security Class A Common Stock (Apartment Income REIT Corp.)    
Security Exchange Name NYSE    
Document Annual Report true    
Document Transition Report false    
Entity Voluntary Filers No    
Entity Well-known Seasoned Issuer No    
Entity Public Float     $ 5.6
ICFR Auditor Attestation Flag true    
Documents Incorporated by Reference

Portions of Part III will be incorporated by reference in accordance with Instruction G(3) to Form 10-K no later than 120 days after the end of the registrant’s fiscal year.

 

    
AIMCO Properties, LP [Member]      
Document Information [Line Items]      
Entity Registrant Name AIMCO PROPERTIES, L.P.    
Entity Central Index Key 0000926660    
Document Type 10-K    
Document Period End Date Dec. 31, 2020    
Amendment Flag false    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY    
Current Fiscal Year End Date --12-31    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Emerging Growth Company false    
Entity Small Business false    
Entity Shell Company false    
Entity File Number 0-24497    
Entity Tax Identification Number 84-1275621    
Entity Incorporation, State or Country Code DE    
Entity Address, Address Line One 4582 South Ulster Street    
Entity Address, Address Line Two Suite 1700    
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 757-8101    
Entity Voluntary Filers No    
Entity Well-known Seasoned Issuer No    
ICFR Auditor Attestation Flag true