VARIABLE INTEREST ENTITIES FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) RSO - Major Types of Debt and Equity Securities [Domain] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	$ 10,589		$ 10,589		$ 9,065
RSO [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	253,428		253,428		275,720
Principal Outstanding	1,853,054		1,853,054		1,734,901
Provision (recovery of) for loan losses	38,810	$ 782	42,800	$ (3,178)
Fair Value Assumptions, Market Capitalization			$ 143,700
Fair Value Assumptions, Expected Volatility Rate			50.00%
RSO [Member] | Recurring Basis [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	253,428		$ 253,428		275,720
RSO [Member] | Recurring Basis [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	4,865		4,865		33,158
RSO [Member] | Recurring Basis [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	248,563		248,563		242,562
RSO [Member] | Fair Value, Measurements, Nonrecurring [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Provision (recovery of) for loan losses	38,900	440	41,400	440
Assets Held-for-sale [Member] | RSO [Member] | Fair Value, Measurements, Nonrecurring [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Provision (recovery of) for loan losses	85	$ 60	806	$ 60
Moselle CLO S.A. Securitized Borrowings [Member] | RSO [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal Outstanding	$ 159		$ 159		$ 5,619