RSO INVESTMENT SECURITIES AVAILABLE-FOR-SALE (Gross Unrealized Loss and Fair Value of Securities) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Fair value, less than 12 months, CMBS	$ 2,299
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	(190)
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	92,983	45,248
Fair value, more than 12 months	17,874	44,695
Fair value, total	110,857	89,943
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract]
Gross unrealized losses, less than 12 months	(10,093)	(632)
Gross unrealized losses, more than 12 months	(6,791)	(17,312)
Gross unrealized losses, total	(16,884)	(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	67,441	25,803
Fair value, more than 12 months	11,400	38,734
Fair value, total	78,841	64,537
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract]
Gross unrealized losses, less than 12 months	(9,410)	(442)
Gross unrealized losses, more than 12 months	(6,185)	(16,197)
Gross unrealized losses, total	(15,595)	(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	259	0
Fair value, more than 12 months	6,474	5,961
Fair value, total	6,733	5,961
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract]
Gross unrealized losses, less than 12 months	(3)	0
Gross unrealized losses, more than 12 months	(606)	(1,115)
Gross unrealized losses, total	(609)	(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	25,283	19,445
Fair value, more than 12 months	0	0
Fair value, total	25,283	19,445
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract]
Gross unrealized losses, less than 12 months	(680)	(190)
Gross unrealized losses, more than 12 months	0	0
Gross unrealized losses, total	$ (680)	$ (190)