RSO BORROWINGS (Schedule of Debt - Parenthetical) (Details) (Resource Capital Corp [Member], USD $)							3 Months Ended																			1 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 CMBS linked transactions [Member] Linked Transactions [Member]	Dec. 31, 2012 CMBS linked transactions [Member] Linked Transactions [Member]	Mar. 31, 2013 RREF CDO 2006-1 Senior Notes [Member]	Dec. 31, 2012 RREF CDO 2006-1 Senior Notes [Member]	Mar. 31, 2013 RREF CDO 2007-1 Senior Notes [Member]	Dec. 31, 2012 RREF CDO 2007-1 Senior Notes [Member]	Mar. 31, 2013 Apidos CDO I Senior Notes [Member]	Dec. 31, 2012 Apidos CDO I Senior Notes [Member]	Mar. 31, 2013 Apidos CDO III Senior Notes [Member]	Dec. 31, 2012 Apidos CDO III Senior Notes [Member]	Mar. 31, 2013 Apidos Cinco CDO Senior Notes [Member]	Dec. 31, 2012 Apidos Cinco CDO Senior Notes [Member]	Mar. 31, 2013 Apidos CLO VIII Senior Notes [Member]	Dec. 31, 2012 Apidos CLO VIII Senior Notes [Member]	Mar. 31, 2013 CMBS - Term Repurchase Facilities [Member]	Dec. 31, 2012 CMBS - Term Repurchase Facilities [Member]	Mar. 31, 2013 CRE - Term Repurchase Facility [Member]	Dec. 31, 2012 CRE - Term Repurchase Facility [Member]	Mar. 31, 2013 Mortgages [Member]	Dec. 31, 2012 Mortgages [Member]	Aug. 01, 2011 Mortgages [Member]	Mar. 31, 2013 Whitney CLO I Senior Notes [Member]	Dec. 31, 2012 Whitney CLO I Senior Notes [Member]	Sep. 30, 2013 Whitney CLO I Senior Notes [Member] Subsequent Event [Member]
Debt Instrument [Line Items]
Weighted-average interest rate	1.66%	1.62%			1.64%	1.42%	0.83%	0.81%	1.14%	1.07%	0.80%	0.80%	0.80%	0.82%	2.13%	2.16%					4.15%	4.17%		1.85%	1.82%
Principal outstanding					$ 116,700,000	$ 146,400,000	$ 200,400,000	$ 227,400,000	$ 174,600,000	$ 203,200,000	$ 193,700,000	$ 222,000,000	$ 322,000,000	$ 322,000,000	$ 317,600,000	$ 317,600,000	$ 44,100,000	$ 47,500,000	$ 64,400,000	$ 59,100,000	$ 13,600,000	$ 13,600,000	$ 13,600,000		$ 146,300,000	$ 20,900,000
Unamortized debt issuance costs					499,000	728,000	1,100,000	1,400,000	148,000	274,000	474,000	659,000	1,300,000	1,500,000	4,500,000	4,700,000	117,000	23,000	219,000	348,000
Unamortized discount															11,500,000	11,900,000									2,100,000
Accrued interest expense	3,096,000	2,918,000															24,000	37,000	87,000	79,000
CMBS Linked repurchase agreement			53,600,000	20,400,000
Repayments of debt							$ 41,600,000																			$ 103,700,000