Document and Entity Information	6 Months Ended
	Jun. 30, 2013	Aug. 08, 2013
Document and Entity Information [Abstract]
Entity Registrant Name	Inland American Real Estate Trust, Inc.
Entity Central Index Key	0001307748
Document Type	10-Q
Document Period End Date	Jun. 30, 2013
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		900,754,958
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q2