RSO INVESTMENT SECURITIES, TRADING (Schedule of Investment Trading Securities at Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended			6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	Jun. 30, 2013 Resource Capital Corp [Member]	Dec. 31, 2012 Resource Capital Corp [Member]	Jun. 30, 2013 Resource Capital Corp [Member] Structured Notes [Member]	Dec. 31, 2012 Resource Capital Corp [Member] Structured Notes [Member]	Jun. 30, 2013 Resource Capital Corp [Member] RMBS [Member]	Dec. 31, 2012 Resource Capital Corp [Member] RMBS [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost						$ 10,427	$ 15,460	$ 8,471	$ 9,413	$ 1,956	$ 6,047
Unrealized gain on trading securities	(262)	175	484	175		4,146	11,752	4,146	10,894	0	858
Unrealized Losses						(2,307)	(2,369)	(1,000)	(1,028)	(1,307)	(1,341)
Fair Value	$ 6,645		$ 6,645		$ 5,365	$ 12,266	$ 24,843	$ 11,617	$ 19,279	$ 649	$ 5,564