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Equity Investments	3 Months Ended
Equity Investments	Dec. 31, 2017
Equity Method Investments and Joint Ventures [Abstract]
Equity Investments	Equity Investments As of December 31, 2017, Tremont Advisors owned 600,100, or approximately 19.2%, of TRMT's common shares, with a carrying value of $11,754 and a market value, based on quoted market prices, of $8,815 ($14.69 per share). We account for our investment in TRMT using the equity method of accounting because we are deemed to exert significant influence over, but not control, TRMT's most significant activities. Our share of net losses from our investment in TRMT included in equity in losses of investees in our condensed consolidated statements of comprehensive income for the three months ended December 31, 2017 was $201. We also have a 0.5% general partnership interest in a private fund created for an institutional investor that is managed by Tremont Advisors. We account for this investment under the equity method of accounting and record our share of the investment's earnings or losses each period. As of December 31, 2017, our investment in the private fund had a carrying value of $136. Our share of net losses from the private fund included in equity in losses of investees in our condensed consolidated statements of comprehensive income for the three months ended December 31, 2017 was $21.