Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2018	Mar. 01, 2019	Jun. 29, 2018
Document and Entity Information [Abstract]
Entity Registrant Name	InvenTrust Properties Corp.
Entity Central Index Key	0001307748
Document Type	10-K
Document Period End Date	Dec. 31, 2018
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		728,558,989
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	FY
Entity Small Business	false
Entity Emerging Growth	false
Entity Shell Company	false
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 2,431,770,322