INVESTMENTS (Details) - Equity Method Investments - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Schedule of Equity Method Investments [Line Items]
Company's share of income from equity method investment	$ (927)	$ 0	$ 1,804	$ 0
Galileo Partners Fund [Member]
Schedule of Equity Method Investments [Line Items]
Company's share of income from equity method investment			1,891
Galileo Partners Fund [Member] | Galileo Partners Fund [Member]
Schedule of Equity Method Investments [Line Items]
Realized gains on sales of investments			4,467
Unrealized gains on investments			2,441
Fund fees and expenses, including performance fees			(1,762)
Net income of fund			$ 5,146