RSO INVESTMENT SECURITIES AVAILABLE-FOR-SALE (Gross Unrealized Loss and Fair Value of Securities) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Fair value, less than 12 months, CMBS	$ 2,383
Fair value, more than 12 months	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract]
Gross unrealized losses, less than 12 months	(319)
Gross unrealized losses, more than 12 months	0
Resource Capital Corp [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Fair value, less than 12 months, CMBS	66,016	45,248
Fair value, more than 12 months	18,713	44,695
Fair value, total	84,729	89,943
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract]
Gross unrealized losses, less than 12 months	(8,426)	(632)
Gross unrealized losses, more than 12 months	(5,952)	(17,312)
Gross unrealized losses, total	(14,378)	(17,944)
Resource Capital Corp [Member] | CMBS linked transactions [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Fair value, less than 12 months, CMBS	62,839	25,803
Fair value, more than 12 months	12,124	38,734
Fair value, total	74,963	64,537
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract]
Gross unrealized losses, less than 12 months	(8,333)	(442)
Gross unrealized losses, more than 12 months	(5,459)	(16,197)
Gross unrealized losses, total	(13,792)	(16,639)
Resource Capital Corp [Member] | ABS
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Fair value, less than 12 months, CMBS	201	0
Fair value, more than 12 months	6,589	5,961
Fair value, total	6,790	5,961
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract]
Gross unrealized losses, less than 12 months	(2)	0
Gross unrealized losses, more than 12 months	(493)	(1,115)
Gross unrealized losses, total	(495)	(1,115)
Resource Capital Corp [Member] | Corporate bonds
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Fair value, less than 12 months, CMBS	2,976	19,445
Fair value, more than 12 months	0	0
Fair value, total	2,976	19,445
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract]
Gross unrealized losses, less than 12 months	(91)	(190)
Gross unrealized losses, more than 12 months	0	0
Gross unrealized losses, total	$ (91)	$ (190)