CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Revenues:
Hotel	$ 12,837,000	$ 13,713,000	$ 27,442,000	$ 28,851,000
Real estate	3,605,000	3,546,000	7,254,000	7,128,000
Total revenues	16,442,000	17,259,000	34,696,000	35,979,000
Costs and operating expenses:
Hotel operating expenses	(9,611,000)	(11,969,000)	(19,867,000)	(23,162,000)
Real estate operating expenses	(1,754,000)	(1,715,000)	(3,561,000)	(3,451,000)
Depreciation and amortization expenses	(1,370,000)	(1,285,000)	(2,638,000)	(2,521,000)
General and administrative expenses	(602,000)	(585,000)	(1,330,000)	(1,394,000)
Total costs and operating expenses	(13,337,000)	(15,554,000)	(27,396,000)	(30,528,000)
Income from operations	3,105,000	1,705,000	7,300,000	5,451,000
Other income (expense):
Interest expense - mortgages	(2,402,000)	(2,461,000)	(4,864,000)	(4,925,000)
Net loss on disposal of assets		0	0	(30,000)
Net loss on marketable securities	(3,290,000)	(6,356,000)	(2,136,000)	(5,976,000)
Net unrealized loss on other investments	0	(53,000)	0	(127,000)
Impairment loss on other investments	(24,000)	(287,000)	(44,000)	(287,000)
Dividend and interest income	68,000	6,000	110,000	19,000
Trading and margin interest expense	(291,000)	(222,000)	(553,000)	(462,000)
Total other expense, net	(5,939,000)	(9,373,000)	(7,487,000)	(11,788,000)
Loss before income taxes	(2,834,000)	(7,668,000)	(187,000)	(6,337,000)
Income tax (expense) benefit	825,000	2,538,000	(227,000)	1,920,000
Net loss	(2,009,000)	(5,130,000)	(414,000)	(4,417,000)
Less: Net (income) loss attributable to the noncontrolling interest	293,000	835,000	(111,000)	591,000
Net loss attributable to InterGroup	$ (1,716,000)	$ (4,295,000)	$ (525,000)	$ (3,826,000)
Net loss per share
Basic and diluted	$ (0.85)	$ (2.15)	$ (0.17)	$ (1.85)
Net loss per share attributable to InterGroup
Basic and diluted	$ (0.72)	$ (1.80)	$ (0.22)	$ (1.60)
Weighted average number of basic and diluted common shares outstanding	2,375,654	2,384,272	2,378,690	2,385,784