RSO INVESTMENT SECURITIES AVAILABLE-FOR-SALE (Estimated Maturities of Available-For-Sale Securities) (Details) (Resource Capital Corp [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Resource Capital Corp [Member]
Fair Value
Less than one year	$ 46,592	$ 42,618
Greater than one year and less than five years	131,401	122,509
Greater than five years and less than ten years	54,758	61,780
Greater than ten years	9,531	4,683
Fair Value	242,282	231,590
Amortized Cost
Less than one year	50,319	46,522
Greater than one year and less than five years	135,955	131,076
Greater than five years and less than ten years	53,475	60,801
Greater than ten years	9,601	4,675
Amortized Cost	$ 249,350	$ 243,074
Weighted Average Coupon
Less than one year	4.30%	4.09%
Greater than one year and less than five years	4.51%	4.55%
Greater than five years and less than ten years	3.42%	3.31%
Greater than ten years	3.70%	4.03%
Weighted Average Coupon	4.19%	4.12%