INVESTMENTS (Details) - Equity Method Investments - Galileo Partners Fund [Member] $ in Thousands	4 Months Ended
Dec. 31, 2017 USD ($)
Schedule of Equity Method Investments [Line Items]
Company's share of income from equity method investment	$ 2,731
Galileo Partners Fund [Member]
Schedule of Equity Method Investments [Line Items]
Realized gains on sales of investments	1,921
Unrealized gains on investments	9,612
Fund fees and expenses, including performance fees	(2,810)
Net income of fund	$ 8,723

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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