Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Revenues:
Total revenues	$ 18,740,000	$ 17,749,000	$ 37,886,000	$ 37,238,000
Costs and operating expenses:
Depreciation and amortization expenses	(1,232,000)	(1,249,000)	(2,445,000)	(2,492,000)
General and administrative expenses	(581,000)	(479,000)	(1,341,000)	(1,122,000)
Total costs and operating expenses	(15,632,000)	(14,830,000)	(30,903,000)	(29,538,000)
Income from operations	3,108,000	2,919,000	6,983,000	7,700,000
Other income (expense):
Interest expense - mortgages	(2,330,000)	(2,405,000)	(4,727,000)	(4,970,000)
Net loss on marketable securities	(53,000)	(1,945,000)	(198,000)	(1,680,000)
Net loss on marketable securities - Comstock	(66,000)	(26,000)	(370,000)	(462,000)
Dividend and interest income	111,000	88,000	241,000	185,000
Trading and margin interest expense	(241,000)	(193,000)	(534,000)	(497,000)
Total other expense, net	(2,579,000)	(4,481,000)	(5,588,000)	(7,424,000)
Income (loss) before income taxes	529,000	(1,562,000)	1,395,000	276,000
Income tax (expense) benefit	(149,000)	440,000	(371,000)	(270,000)
Net income (loss)	380,000	(1,122,000)	1,024,000	6,000
Less: Net (income) loss attributable to the noncontrolling interest	(132,000)	95,000	(440,000)	(403,000)
Net income (loss) attributable to InterGroup Corporation	$ 248,000	$ (1,027,000)	$ 584,000	$ (397,000)
Net income (loss) per share
Basic	$ 0.17	$ (0.48)	$ 0.44	$ 0.003
Diluted	0.14		0.39	0.002
Net income (loss) per share attributable to InterGroup Corporation
Basic	0.11	(0.44)	0.25	(0.17)
Diluted	$ 0.09		$ 0.22
Weighted average number of basic common shares outstanding	2,302,748	2,327,007	2,306,070	2,330,213
Weighted average number of diluted common shares outstanding	2,633,143		2,636,465	2,657,008
Hotel [Member]
Revenues:
Total revenues	$ 14,901,000	$ 13,997,000	$ 30,330,000	$ 29,807,000
Costs and operating expenses:
Total costs and operating expenses	(11,730,000)	(11,236,000)	(23,078,000)	(22,046,000)
Real Estate [Member]
Revenues:
Total revenues	3,839,000	3,752,000	7,556,000	7,431,000
Costs and operating expenses:
Total costs and operating expenses	$ (2,089,000)	$ (1,866,000)	$ (4,039,000)	$ (3,878,000)