VARIABLE INTEREST ENTITIES (Variable Interest Entities, Consolidated) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015	Dec. 31, 2014
Variable Interest Entity [Line Items]
Cash	$ 26,522	$ 24,132	$ 24,810	$ 33,947
Receivables	1,624	1,424
Investment securities, at fair value	43,916	47,476
Other assets	9,916	9,519
Total assets	211,215	210,981
Accrued expenses and other liabilities	26,360	27,184
Pelium
Variable Interest Entity [Line Items]
Cash	4,418	377
Receivables	713	2,345
Investment securities, at fair value	24,552	24,712
Other assets	89	98
Total assets	29,772	27,532
Accrued expenses and other liabilities	$ 193	$ 99