RSO INVESTMENT SECURITIES AVAILABLE-FOR-SALE (Gross Unrealized Loss and Fair Value of Securities) (Details) (Resource Capital Corp [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Fair value, less than 12 months, CMBS	$ 56,909	$ 45,248
Fair value, more than 12 months	27,863	44,695
Fair value, total	84,772	89,943
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract]
Gross unrealized losses, less than 12 months	(944)	(632)
Gross unrealized losses, more than 12 months	(16,020)	(17,312)
Gross unrealized losses, total	(16,964)	(17,944)
CMBS linked transactions [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Fair value, less than 12 months, CMBS	42,706	25,803
Fair value, more than 12 months	21,498	38,734
Fair value, total	64,204	64,537
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract]
Gross unrealized losses, less than 12 months	(893)	(442)
Gross unrealized losses, more than 12 months	(15,308)	(16,197)
Gross unrealized losses, total	(16,201)	(16,639)
ABS
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Fair value, less than 12 months, CMBS	0	0
Fair value, more than 12 months	6,365	5,961
Fair value, total	6,365	5,961
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract]
Gross unrealized losses, less than 12 months	0	0
Gross unrealized losses, more than 12 months	(712)	(1,115)
Gross unrealized losses, total	(712)	(1,115)
Corporate bonds
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Fair value, less than 12 months, CMBS	14,203	19,445
Fair value, more than 12 months	0	0
Fair value, total	14,203	19,445
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract]
Gross unrealized losses, less than 12 months	(51)	(190)
Gross unrealized losses, more than 12 months	0	0
Gross unrealized losses, total	$ (51)	$ (190)