VARIABLE INTEREST ENTITIES BORROWINGS (Securitization) (Details) (RSO [Member], USD $) In Millions, unless otherwise specified	Sep. 30, 2014
RREF CDO 2006-1 Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Cumulative Amount Repaid	$ 117.1
RREF CDO 2007-1 Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Cumulative Amount Repaid	129.8
RCC CRE Notes 2013 [Member]
Debt Instrument [Line Items]
Debt Instrument, Cumulative Amount Repaid	34.0
RCC CRE Notes 2014 [Member]
Debt Instrument [Line Items]
Debt Instrument, Cumulative Amount Repaid	0
Apidos CDO I Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Cumulative Amount Repaid	271.7
Apidos CDO III Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Cumulative Amount Repaid	178.9
Apidos Cinco CDO Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Cumulative Amount Repaid	36.3
Moselle CLO S.A. Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Cumulative Amount Repaid	0
Moselle CLO S.A. Securitized Borrowings [Member]
Debt Instrument [Line Items]
Debt Instrument, Cumulative Amount Repaid	$ 0