VARIABLE INTEREST ENTITIES BORROWINGS (Repurchase and Credit Facilities) (Details) (USD $)			6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended		12 Months Ended					0 Months Ended	6 Months Ended										0 Months Ended																					1 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended			12 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended
	Jun. 30, 2014 RCC Real Estate [Member]	Dec. 31, 2013 RCC Real Estate [Member]	Jun. 30, 2014 RSO [Member]	Dec. 31, 2013 RSO [Member]	Jun. 30, 2014 RSO [Member] CMBS - Term Repurchase Facilities [Member]	Dec. 31, 2013 RSO [Member] CMBS - Term Repurchase Facilities [Member]	Jun. 30, 2014 RSO [Member] RMBS - Term Repurchase Facility [Member]	Jun. 30, 2014 RSO [Member] Residential Mortgage [Member]	Dec. 31, 2013 RSO [Member] Residential Mortgage [Member]	Jun. 30, 2014 Wells Fargo Bank, National Association [Member] RCC Real Estate [Member] CMBS - Term Repurchase Facilities [Member] Loan	Dec. 31, 2013 Wells Fargo Bank, National Association [Member] RCC Real Estate [Member] CMBS - Term Repurchase Facilities [Member] Loan	Jun. 30, 2014 Wells Fargo Bank, National Association [Member] RCC Real Estate [Member] CRE - Term Repurchase Facility [Member] Loan	Dec. 31, 2013 Wells Fargo Bank, National Association [Member] RCC Real Estate [Member] CRE - Term Repurchase Facility [Member] Loan	Feb. 27, 2012 Wells Fargo Bank, National Association [Member] RSO [Member] CRE - Term Repurchase Facility [Member]	Jun. 30, 2014 Wells Fargo Bank, National Association [Member] RSO [Member] CRE - Term Repurchase Facility [Member]	Jun. 30, 2014 Deutsche Bank AG [Member] RCC Real Estate [Member] CRE - Term Repurchase Facility [Member] Loan	Dec. 31, 2013 Deutsche Bank AG [Member] RCC Real Estate [Member] CRE - Term Repurchase Facility [Member] Loan	Jun. 30, 2014 New Century Bank [Member] RCC Real Estate [Member] Residential Mortgage [Member] Loan	Dec. 31, 2013 New Century Bank [Member] RCC Real Estate [Member] Residential Mortgage [Member] Loan	Jun. 30, 2014 ViewPoint Bank, NA [Member] RCC Real Estate [Member] Residential Mortgage [Member] Loan	Dec. 31, 2013 ViewPoint Bank, NA [Member] RCC Real Estate [Member] Residential Mortgage [Member] Loan	Jun. 30, 2014 Repurchase Agreements [Member] JP Morgan Securities, LLC [Member] RCC Real Estate [Member]	Dec. 31, 2013 Repurchase Agreements [Member] JP Morgan Securities, LLC [Member] RCC Real Estate [Member]	Jun. 30, 2014 Repurchase Agreements [Member] JP Morgan Securities, LLC [Member] RSO [Member]	Mar. 08, 2005 Repurchase Agreements [Member] Deutsche Bank Securities, Inc [Member] RCC Real Estate [Member]	Jun. 30, 2014 Repurchase Agreements [Member] Deutsche Bank Securities, Inc [Member] RCC Real Estate [Member] Loan	Dec. 31, 2013 Repurchase Agreements [Member] Deutsche Bank Securities, Inc [Member] RCC Real Estate [Member] Loan	Jun. 30, 2014 Linked Transactions [Member] RCC Real Estate [Member]	Dec. 31, 2013 Linked Transactions [Member] RCC Real Estate [Member]	Jun. 30, 2014 Linked Transactions [Member] Wells Fargo Bank, National Association [Member] RCC Real Estate [Member] CMBS - Term Repurchase Facilities [Member] Loan	Dec. 31, 2013 Linked Transactions [Member] Wells Fargo Bank, National Association [Member] RCC Real Estate [Member] CMBS - Term Repurchase Facilities [Member] Loan	Jun. 30, 2014 Linked Transactions [Member] Wells Fargo Bank, National Association [Member] RCC Real Estate [Member] CRE - Term Repurchase Facility [Member] Loan	Dec. 31, 2013 Linked Transactions [Member] Wells Fargo Bank, National Association [Member] RCC Real Estate [Member] CRE - Term Repurchase Facility [Member] Loan	Jun. 30, 2014 Linked Transactions [Member] Repurchase Agreements [Member] JP Morgan Securities, LLC [Member] RCC Real Estate [Member] Loan	Dec. 31, 2013 Linked Transactions [Member] Repurchase Agreements [Member] JP Morgan Securities, LLC [Member] RCC Real Estate [Member] Loan	Jun. 30, 2014 Linked Transactions [Member] Repurchase Agreements [Member] Wells Fargo Securities, LLC [Member] RCC Real Estate [Member] Loan	Dec. 31, 2013 Linked Transactions [Member] Repurchase Agreements [Member] Wells Fargo Securities, LLC [Member] RCC Real Estate [Member] Loan	Jun. 30, 2014 Linked Transactions [Member] Repurchase Agreements [Member] Deutsche Bank Securities, Inc [Member] RCC Real Estate [Member] Loan	Dec. 31, 2013 Linked Transactions [Member] Repurchase Agreements [Member] Deutsche Bank Securities, Inc [Member] RCC Real Estate [Member] Loan	Jun. 30, 2014 Linked Transactions [Member] CMBS [Member] Wells Fargo Bank, National Association [Member] RCC Real Estate [Member] CMBS - Term Repurchase Facilities [Member]	Dec. 31, 2013 Linked Transactions [Member] CMBS [Member] Wells Fargo Bank, National Association [Member] RCC Real Estate [Member] CMBS - Term Repurchase Facilities [Member]	Jun. 30, 2014 Linked Transactions [Member] CMBS [Member] Wells Fargo Bank, National Association [Member] RCC Real Estate [Member] CRE - Term Repurchase Facility [Member]	Dec. 31, 2013 Linked Transactions [Member] CMBS [Member] Wells Fargo Bank, National Association [Member] RCC Real Estate [Member] CRE - Term Repurchase Facility [Member]	Jun. 30, 2014 RMBS - Term Repurchase Facility [Member] Repurchase Agreements [Member] Wells Fargo Bank, National Association [Member] RSO [Member] Loan	Dec. 31, 2013 RMBS - Term Repurchase Facility [Member] Repurchase Agreements [Member] Wells Fargo Bank, National Association [Member] RSO [Member] Loan	Jun. 30, 2014 Linked and Non-linked Transactions [Member] Wells Fargo Bank, National Association [Member] RCC Residential Portfolio Inc. and RCC Residential Portfolio TRS Inc. [Member] RMBS - Term Repurchase Facility [Member]	Jun. 30, 2014 Linked and Non-linked Transactions [Member] Wells Fargo Bank, National Association [Member] RCC Real Estate [Member] CMBS - Term Repurchase Facilities [Member]	Dec. 31, 2013 Linked and Non-linked Transactions [Member] Wells Fargo Bank, National Association [Member] RCC Real Estate [Member] CMBS - Term Repurchase Facilities [Member]	Jun. 30, 2014 Linked and Non-linked Transactions [Member] Wells Fargo Bank, National Association [Member] RCC Real Estate [Member] CRE - Term Repurchase Facility [Member]	Dec. 31, 2013 Linked and Non-linked Transactions [Member] Wells Fargo Bank, National Association [Member] RCC Real Estate [Member] CRE - Term Repurchase Facility [Member]	Jun. 30, 2014 Linked and Non-linked Transactions [Member] Wells Fargo Bank, National Association [Member] RSO [Member] RMBS - Term Repurchase Facility [Member]	Jun. 30, 2014 Linked and Non-linked Transactions [Member] Deutsche Bank Securities, Inc [Member] RCC Real Estate [Member] CRE - Term Repurchase Facility [Member]	Jun. 30, 2014 Linked and Non-linked Transactions [Member] Repurchase Agreements [Member] JP Morgan Securities, LLC [Member] RCC Real Estate [Member]	Dec. 31, 2013 Linked and Non-linked Transactions [Member] Repurchase Agreements [Member] JP Morgan Securities, LLC [Member] RCC Real Estate [Member]	Jun. 30, 2014 Linked and Non-linked Transactions [Member] Repurchase Agreements [Member] Wells Fargo Securities, LLC [Member] RCC Real Estate [Member]	Dec. 31, 2013 Linked and Non-linked Transactions [Member] Repurchase Agreements [Member] Wells Fargo Securities, LLC [Member] RCC Real Estate [Member]	Jun. 30, 2014 Linked and Non-linked Transactions [Member] Repurchase Agreements [Member] Deutsche Bank Securities, Inc [Member] RCC Real Estate [Member]	Dec. 31, 2013 Linked and Non-linked Transactions [Member] Repurchase Agreements [Member] Deutsche Bank Securities, Inc [Member] RCC Real Estate [Member]	Jun. 30, 2014 Linked and Non-linked Transactions [Member] Repurchase Agreements [Member] New Century Bank [Member] RSO [Member]	Jun. 30, 2014 Linked and Non-linked Transactions [Member] Repurchase Agreements [Member] ViewPoint Bank, NA [Member] RSO [Member]
Debt Instrument [Line Items]
Outstanding Borrowings	$ 312,893,000	$ 91,931,000								$ 30,833,000	$ 47,601,000	$ 202,821,000	$ 30,003,000			$ 14,858,000	$ (300,000)	$ 14,772,000	$ 11,916,000	$ 8,907,000	$ 2,711,000					$ 17,705,000	$ 0													$ 5,959,000	$ 6,506,000	$ 0	$ 0	$ 22,997,000	$ 0	$ 285,000,000.0
Linked Repurchase Agreement Borrowings, Included as Derivative Instruments																								0
Remaining balance			1,592,846,000	1,336,026,000	30,833,000	47,613,000	23,025,000	23,679,000	14,627,000													0	17,020,000					28,726,000	64,094,000							4,183,000	21,969,000	18,584,000	18,599,000
Securities Held as Collateral, at Fair Value																												42,270,000	93,823,000					0	24,814,000	6,309,000	30,803,000	28,211,000	29,861,000
Debt instrument, weighted average interest rate										1.37%	1.38%	2.55%	2.67%			3.03%	0.00%	3.91%	4.17%	4.12%	4.58%					1.40%	0.00%			1.63%	1.65%	0.00%	0.00%	0.00%	0.99%	1.37%	1.19%	1.41%	1.43%					1.15%	0.00%		1.37%	1.38%	2.55%	2.67%	1.15%	3.03%	0.00%	0.99%	1.37%	1.19%	1.40%	1.43%	3.91%	4.12%
Debt Instrument, Fair Value Disclosure	434,244,000	121,622,000								37,784,000	56,949,000	293,496,000	48,186,000			22,083,000	0	17,519,000	13,089,000	14,880,000	3,398,000					20,813,000	0			7,750,000	8,345,000	0	0											27,669,000	0
Debt Instrument, Number of Positions as Collateral										47	44	12	8			3	0	78	74	48	17					6	0			7	7	0	0	0	4	7	9	15	9					6	0
Unamortized debt issuance costs			13,012,000	16,216,000	0	12,000	28,000	0	0	0	12,000	419,000	732,000			29,000	300,000																											28,000
Repurchase Agreement Counterparty, Amount at Risk																																															$ 7,549,000	$ 10,796,000	$ 128,915,000	$ 20,718,000	$ 5,725,000	$ 15,435,000	$ 0	$ 7,882,000	$ 2,115,000	$ 8,925,000	$ 9,778,000	$ 11,418,000	$ 15,227,000	$ 9,089,000
Debt Instrument, Maturity Date Free Form			9 years 9 months	13 years 1 month	18 days	21 days	1 day	130 days	56 days																																						18 days	21 days	18 days	21 days	1 day	18 days	0 days	11 days	30 days	2 days	26 days	22 days	62 days	183 days
Debt Instrument, Term														18 months											12 months																					1 year
Debt Instrument, Term, Option to Extend															1 year																															1 year
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum																																														1.45%
Basis spread on variable rate																																														4.00%