RSO INVESTMENT SECURITIES AVAILABLE-FOR-SALE (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Other-than-temporary impairment on investments	$ 214,000	$ 74,000
Resource Capital Corp [Member]
Schedule of Available-for-sale Securities [Line Items]
CMBS, at fair value	242,282,000		231,590,000
Other-than-temporary impairment on investments	12,000	139,000
Resource Capital Corp [Member] | CMBS
Schedule of Available-for-sale Securities [Line Items]
Number of floating rate investment securities in a loss position for more than 12 months	15		19
CMBS, at fair value	181,500,000		170,800,000
Net unrealized gain (loss)	(8,400,000)		(12,000,000)
Excess of aggregate discount over aggregate premium	7,600,000		8,000,000
Resource Capital Corp [Member] | ABS
Schedule of Available-for-sale Securities [Line Items]
Number of floating rate investment securities in a loss position for more than 12 months	9		9
Net unrealized gain (loss)	1,100,000		574,000
Fair value of fixed rate positions	24,800,000		27,100,000
Excess of aggregate discount over aggregate premium	2,900,000		3,100,000
Resource Capital Corp [Member] | Corporate bonds
Schedule of Available-for-sale Securities [Line Items]
Number of floating rate investment securities in a loss position for more than 12 months	0		0
Net unrealized gain (loss)	(206,000)		(67,000)
Fair value of fixed rate positions	35,900,000		33,700,000
Number of securities sold	2	3
Par value of securities sold	700,000	1,400,000
Recognized gain (loss) on sale	18,000	27,000
Number of securities redeemed	0	1
Par value of securities redeemed		182,000
Recognized gains on redemptions		39,000
Aggregate premium	$ 425,000		$ 608,000