CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)	3 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Revenues:
Hotel	$ 12,136,000	$ 11,109,000
Real estate	3,675,000	3,618,000
Total revenues	15,811,000	14,727,000
Costs and operating expenses:
Hotel operating expenses	(9,164,000)	(8,145,000)
Real estate operating expenses	(2,162,000)	(1,909,000)
Depreciation and amortization expense	(1,132,000)	(1,103,000)
General and administrative expense	(563,000)	(488,000)
Total costs and operating expenses	(13,021,000)	(11,645,000)
Income from operations	2,790,000	3,082,000
Other income (expense):
Interest expense	(1,699,000)	(1,574,000)
Net gain (loss) on marketable securities	1,525,000	(4,655,000)
Net unrealized loss on other investments and derivative instruments	(190,000)	(318,000)
Impairment loss on other investments	0	(417,000)
Dividend and interest income	28,000	90,000
Trading and margin interest expense	(393,000)	(424,000)
Total other expense, net	(729,000)	(7,298,000)
Income (loss) before income taxes	2,061,000	(4,216,000)
Income tax (expense) benefit	(374,000)	1,561,000
Net income (loss)	1,687,000	(2,655,000)
Less: Net income attributable to the noncontrolling interest	(1,098,000)	(420,000)
Net income (loss) attributable to InterGroup	$ 589,000	$ (3,075,000)
Net income (loss) per share from operations
Basic (in dollars per share)	$ 0.72	$ (1.10)
Diluted (in dollars per share)	$ 0.70	$ (1.10)
Net income (loss) per share attributable to InterGroup
Basic (in dollars per share)	$ 0.25	$ (1.28)
Diluted (in dollars per share)	$ 0.24	$ (1.28)
Weighted average number of common shares outstanding (in shares)	2,351,124	2,404,223
Weighted average number of diluted common shares outstanding (in shares)	2,404,191	2,404,223