CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)	3 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Revenues:
Hotel	$ 11,109,000	$ 9,526,000
Real estate	3,618,000	3,461,000
Total revenues	14,727,000	12,987,000
Costs and operating expenses:
Hotel operating expenses	(8,145,000)	(7,317,000)
Real estate operating expenses	(1,909,000)	(1,811,000)
Depreciation and amortization expense	(1,103,000)	(1,764,000)
General and administrative expense	(488,000)	(472,000)
Total costs and operating expenses	(11,645,000)	(11,364,000)
Income from operations	3,082,000	1,623,000
Other income (expense):
Interest expense	(1,574,000)	(1,575,000)
Net (loss) gain on marketable securities	(4,655,000)	353,000
Net unrealized (loss) gain on other investments and derivative instruments	(318,000)	41,000
Impairment loss on other investments	(417,000)	(230,000)
Dividend and interest income	90,000	139,000
Trading and margin interest expense	(424,000)	(303,000)
Other expense, net	(7,298,000)	(1,575,000)
Income (loss) before income taxes	(4,216,000)	48,000
Income tax benefit (expense)	1,561,000	(2,000)
Income(loss) from continuing operations	(2,655,000)	46,000
Discontinued operations:
Income from discontinued operations	0	50,000
Income tax expense	0	(20,000)
Income from discontinued operations	0	30,000
Net (loss) income	(2,655,000)	76,000
Less: Net income attributable to the noncontrolling interest	(420,000)	(67,000)
Net (loss) income attributable to InterGroup	$ (3,075,000)	$ 9,000
Net (loss) income per share from continuing operations
Basic (in Dollers Per Shares)	$ (1.10)	$ 0.02
Diluted (in Dollars Per Share)	$ (1.10)	$ 0.02
Net income per share from discontinued operations
Basic (in Dollers Per Shares)	$ 0	$ 0.01
Diluted (in Dollers Per Shares)	$ 0	$ 0.01
Net loss per share attributable to InterGroup
Basic (in Dollers Per Shares)	$ (1.28)	$ 0
Diluted (in Dollers Per Shares)	$ (1.28)	$ 0
Weighted average number of common shares outstanding (in Shares)	2,404,223	2,409,809
Weighted average number of diluted common shares outstanding (in Shares)	2,404,223	2,484,809