VARIABLE INTEREST ENTITIES BORROWINGS (CRE - Repurchase Facility) (Details) RSO (RCC Real Estate [Member], Deutsche Bank Securities, Inc [Member], CRE - Repurchase Facility [Member])	12 Months Ended
Dec. 31, 2012
RCC Real Estate [Member] \| Deutsche Bank Securities, Inc [Member] \| CRE - Repurchase Facility [Member]
Debt Instrument [Line Items]
Debt instrument term	12 months
Description of variable rate basis	one-month LIBOR
Basis spread on variable rate	3.25%

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration