SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Securities Owned:
Securities Owned	$ 17,548	$ 17,955
Securities Sold Not Yet Purchased:
Securities Sold Not Yet Purchased	6,481	746
Common Stock
Securities Owned:
Securities Owned	6,872	16,667
Securities Sold Not Yet Purchased:
Securities Sold Not Yet Purchased	5,395
Mutual funds [Member]
Securities Owned:
Securities Owned	3,013
Corporate bonds [Member]
Securities Owned:
Securities Owned	501	1,188
Securities Sold Not Yet Purchased:
Securities Sold Not Yet Purchased	1,086	746
Partnership interests and other securities [Member]
Securities Owned:
Securities Owned	$ 7,162	$ 100