VARIABLE INTEREST ENTITIES BORROWINGS (Apidos Cinco CDO) (Details) RSO (USD $)	1 Months Ended			1 Months Ended			1 Months Ended		1 Months Ended			1 Months Ended			5 Months Ended	1 Months Ended
	Dec. 31, 2013 Apidos CDO I Senior Notes [Member] RSO [Member]	Dec. 31, 2012 Apidos CDO I Senior Notes [Member] RSO [Member]	Aug. 31, 2005 Apidos CDO I Senior Notes [Member] RSO [Member]	Aug. 31, 2005 Apidos CDO I Senior Notes [Member] RCC Commercial [Member]	Aug. 31, 2005 Apidos CDO I Senior Notes [Member] Senior Notes Class A-1 [Member] RSO [Member]	May 31, 2006 Apidos CDO I Senior Notes [Member] Senior Notes Class A-1 [Member] RSO [Member]	Aug. 31, 2005 Apidos CDO I Senior Notes [Member] Senior Notes Class B [Member] RSO [Member]	May 31, 2006 Apidos CDO I Senior Notes [Member] Senior Notes Class B [Member] RSO [Member]	Aug. 31, 2005 Apidos CDO I Senior Notes [Member] Senior Notes Class C [Member] RSO [Member]	May 31, 2006 Apidos CDO I Senior Notes [Member] Senior Notes Class C [Member] RSO [Member]	May 31, 2006 Apidos CDO I Senior Notes [Member] Senior Notes Class D [Member] RSO [Member]	Dec. 31, 2013 Apidos Cinco CDO Senior Notes [Member] RSO [Member]	Dec. 31, 2012 Apidos Cinco CDO Senior Notes [Member] RSO [Member]	May 31, 2007 Apidos Cinco CDO Senior Notes [Member] RSO [Member]	May 31, 2007 Apidos Cinco CDO Senior Notes [Member] RCC Commercial [Member]	May 31, 2007 Apidos Cinco CDO Senior Notes [Member] Senior Notes Class A-1 [Member] RSO [Member]	May 31, 2007 Apidos Cinco CDO Senior Notes [Member] Senior Notes Class A-2a [Member] RSO [Member]	May 31, 2007 Apidos Cinco CDO Senior Notes [Member] Senior Notes Class A-2b [Member] RSO [Member]	May 31, 2007 Apidos Cinco CDO Senior Notes [Member] Senior Notes Class A-3 [Member] RSO [Member]	May 31, 2007 Apidos Cinco CDO Senior Notes [Member] Senior Notes Class B [Member] RSO [Member]	May 31, 2007 Apidos Cinco CDO Senior Notes [Member] Senior Notes Class C [Member] RSO [Member]	May 31, 2007 Apidos Cinco CDO Senior Notes [Member] Senior Notes Class D [Member] RSO [Member]	May 31, 2007 Apidos Cinco CDO Ltd [Member] Apidos Cinco CDO Senior Notes [Member] RSO [Member]
Debt Instrument [Line Items]
Closing transaction amount			$ 350,000,000											$ 350,000,000
Face amount of debt issued			321,500,000			259,500,000		20,500,000		13,000,000	8,000,000					37,500,000	200,000,000	22,500,000	19,000,000	18,000,000	14,000,000	11,000,000	322,000,000
Payments by parent to acquire notes issued by VIE				$ 28,500,000											$ 28,000,000
Percentage of senior notes acquired by the parent				100.00%											100.00%
Description of variable rate basis	3-month LIBOR											LIBOR
Basis spread on variable rate					0.26%		0.75%		1.85%							0.24%	0.23%	0.32%	0.42%	0.80%	2.25%	4.25%
Debt instrument, weighted average interest rate	1.68%	1.07%										0.74%	0.82%