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Cover Page - USD ($)
 12 Months Ended
Dec. 31, 2020
Feb. 01, 2021
Jun. 30, 2020
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2020    
Document Transition Report false    
Entity File Number 000-51609    
Entity Registrant Name INVENTRUST PROPERTIES CORP.    
Entity Incorporation, State or Country Code MD    
Entity Tax Identification Number 34-2019608    
Entity Address, Address Line One 3025 Highland Parkway,    
Entity Address, Address Line Two Suite 350    
Entity Address, City or Town Downers Grove,    
Entity Address, State or Province IL    
Entity Address, Postal Zip Code 60515    
City Area Code (855)    
Local Phone Number 377-0510    
Title of 12(g) Security Common stock    
No Trading Symbol Flag true    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag false    
Entity Shell Company false    
Entity Public Float     $ 2,257,455,030
Entity Common Stock, Shares Outstanding   719,462,786  
Documents Incorporated by Reference Portions of the registrant’s definitive "Proxy Statement" for its annual stockholders' meeting expected to be held on May 6, 2021, are incorporated by reference in Part III of this Form 10-K.    
Entity Central Index Key 0001307748    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY