VARIABLE INTEREST ENTITIES BORROWINGS (RCC CRE Notes 2013) (Details) (USD $)			1 Months Ended			1 Months Ended
	Dec. 31, 2013 RSO [Member]	Dec. 31, 2012 RSO [Member]	Dec. 31, 2013 RSO [Member] CRE Notes 2013 [Member]	Dec. 31, 2013 RSO [Member] CRE Notes 2013 [Member] Senior Notes Class D [Member]	Dec. 31, 2013 RCC CRE Notes 2013 Investor, LLC [Member] Senior Notes Class B [Member]	Dec. 31, 2013 RCC CRE Notes 2013 Investor, LLC [Member] CRE Notes 2013 [Member]	Dec. 31, 2013 RCC CRE Notes 2013 Investor, LLC [Member] CRE Notes 2013 [Member] Senior Notes Class A [Member]	Dec. 31, 2013 RCC CRE Notes 2013 Investor, LLC [Member] CRE Notes 2013 [Member] Senior Notes Class A-S [Member]	Dec. 31, 2013 RCC CRE Notes 2013 Investor, LLC [Member] CRE Notes 2013 [Member] Senior Notes Class B [Member]	Dec. 31, 2013 RCC CRE Notes 2013 Investor, LLC [Member] CRE Notes 2013 [Member] Senior Notes Class D [Member]	Dec. 31, 2013 RCC CRE Notes 2013 Investor, LLC [Member] CRE Notes 2013 [Member] Senior Notes Class C [Member]	Dec. 31, 2013 RCC CRE Notes 2013 Investor, LLC [Member] CRE Notes 2013 [Member] Senior Notes Class E [Member]	Dec. 31, 2013 RCC CRE Notes 2013 Investor, LLC [Member] CRE Notes 2013 [Member] Senior Notes Class F [Member]
Debt Instrument [Line Items]
Closing transaction amount			$ 307,800,000
Face amount of debt issued			260,800,000		30,800,000		136,900,000	78,500,000		13,800,000	14,600,000	9,200,000	6,900,000
Description of variable rate basis						one-month LIBOR
Basis spread on variable rate							1.30%	2.15%	2.85%	4.50%	3.50%	5.50%	6.50%
Weighted-average borrowing rate	1.87%	1.62%	2.03%			2.03%
Percentage of senior notes acquired by the parent			100.00%	100.00%
Payments by parent to acquire notes issued by VIE			30,000,000
Purchased equity interests						$ 16,900,000