VARIABLE INTEREST ENTITIES - INCOME TAXES (Components of Deferred Tax Assets and Liabilities) (Details) RSO (RSO [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
RSO [Member]
Deferred tax assets related to:
Investment in securities	$ 1,030	$ 118
Intangible assets basis difference	2,533	2,725
Federal, state and local loss carryforwards	7,848	941
Subpart F income	0	1,359
Partnership investment	0	2
Deferred revenue	207	23
Accrued expenses	56	44
Amortization of intangibles	766	0
Unrealized gains losses	1,799	0
Mark to market adjustment	188	0
Charitable contribution carryforward	6	0
Equity compensation	167	0
Gain (loss) on sale of investments	116	0
Partnership investment	(1,622)	0
Gross deferred tax assets	13,094	5,212
Valuation allowance	0	0
Deferred tax assets, net	13,094	5,212
Deferred tax liabilities related to:
Unrealized loss on investments	(366)	(3,764)
Equity investments	0	(153)
Basis difference in LCC investment	0	(195)
Depreciation	(1)	0
Accrued expenses	(3)	0
Partnership investment	(90)	0
Total deferred tax liabilities	(460)	(4,112)
Deferred tax assets, net	$ 12,634	$ 1,100