Document And Entity Information - shares	3 Months Ended
	Sep. 30, 2015	Oct. 09, 2015
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2015
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q1
Entity Registrant Name	INTERGROUP CORP
Entity Central Index Key	0000069422
Current Fiscal Year End Date	--06-30
Entity Filer Category	Smaller Reporting Company
Trading Symbol	INTG
Entity Common Stock, Shares Outstanding		2,384,989