VARIABLE INTEREST ENTITIES FINANCING RECEIVABLES (Loan Portfolio Troubled-debt Restructurings) (Details) RSO (RSO [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015 Loan
Troubled debt restructuring [Abstract]
Number of Loans	2
Pre-Modification Outstanding Recorded Balance	$ 67,459
Post-Modification Outstanding Recorded Balance	67,459
Whole Loans [Member]
Troubled debt restructuring [Abstract]
Number of Loans	2
Pre-Modification Outstanding Recorded Balance	67,459
Post-Modification Outstanding Recorded Balance	67,459
B Notes [Member]
Troubled debt restructuring [Abstract]
Number of Loans	0
Pre-Modification Outstanding Recorded Balance	0
Post-Modification Outstanding Recorded Balance	0
Mezzanine Loans [Member]
Troubled debt restructuring [Abstract]
Number of Loans	0
Pre-Modification Outstanding Recorded Balance	0
Post-Modification Outstanding Recorded Balance	0
Bank Loans [Member]
Troubled debt restructuring [Abstract]
Number of Loans	0
Pre-Modification Outstanding Recorded Balance	0
Post-Modification Outstanding Recorded Balance	0
Middle-market Loans [Member]
Troubled debt restructuring [Abstract]
Number of Loans	0
Pre-Modification Outstanding Recorded Balance	0
Post-Modification Outstanding Recorded Balance	0
Residential Mortgage Loans [Member]
Troubled debt restructuring [Abstract]
Number of Loans	0
Pre-Modification Outstanding Recorded Balance	0
Post-Modification Outstanding Recorded Balance	0
Loans Receivable - Related Party [Member]
Troubled debt restructuring [Abstract]
Number of Loans	0
Pre-Modification Outstanding Recorded Balance	0
Post-Modification Outstanding Recorded Balance	$ 0