VARIABLE INTEREST ENTITIES INVESTMENT SECURITIES AVAILABLE-FOR-SALE (Gross Unrealized Loss and Fair Value of Securities) (Details) RSO $ in Thousands	Sep. 30, 2015 USD ($) Security	Dec. 31, 2014 USD ($) Security
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Fair Value	$ 1,201	$ 2,643
Unrealized Losses	(48)	(176)
Fair Value	883	0
Unrealized Losses, More than 12 Months	(32)	0
RSO [Member]
Schedule of Available-for-sale Securities [Line Items]
Investment securities available-for-sale, pledged as collateral, at fair value	118,797	197,800
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Fair Value	83,218	38,307
Unrealized Losses	$ (618)	$ (851)
Number of Securities, Less than 12 Months | Security	50	31
Fair Value	$ 19,143	$ 26,541
Unrealized Losses, More than 12 Months	$ (1,197)	$ (2,705)
Number of Securities, More than 12 Months | Security	22	16
Fair Value, Total	$ 102,361	$ 64,848
Gross Unrealized Losses, Total	$ (1,815)	$ (3,556)
Number of Securities, Total | Security	72	47
RSO [Member] | CMBS [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Fair Value	$ 73,950	$ 35,860
Unrealized Losses	$ (340)	$ (555)
Number of Securities, Less than 12 Months | Security	38	22
Fair Value	$ 16,649	$ 25,583
Unrealized Losses, More than 12 Months	$ (904)	$ (2,647)
Number of Securities, More than 12 Months | Security	13	13
Fair Value, Total	$ 90,599	$ 61,443
Gross Unrealized Losses, Total	$ (1,244)	$ (3,202)
Number of Securities, Total | Security	51	35
RSO [Member] | ABS [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Fair Value	$ 7,082	$ 1,000
Unrealized Losses	$ (195)	$ (278)
Number of Securities, Less than 12 Months | Security	8	8
Fair Value	$ 1,132	$ 958
Unrealized Losses, More than 12 Months	$ (186)	$ (58)
Number of Securities, More than 12 Months | Security	8	3
Fair Value, Total	$ 8,214	$ 1,958
Gross Unrealized Losses, Total	$ (381)	$ (336)
Number of Securities, Total | Security	16	11
RSO [Member] | Corporate bonds [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Fair Value	$ 945	$ 1,447
Unrealized Losses	$ (6)	$ (18)
Number of Securities, Less than 12 Months | Security	2	1
Fair Value	$ 1,362	$ 0
Unrealized Losses, More than 12 Months	$ (107)	$ 0
Number of Securities, More than 12 Months | Security	1	0
Fair Value, Total	$ 2,307	$ 1,447
Gross Unrealized Losses, Total	$ (113)	$ (18)
Number of Securities, Total | Security	3	1
RSO [Member] | RMBS [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Fair Value	$ 1,241
Unrealized Losses	$ (77)
Number of Securities, Less than 12 Months | Security	2
Fair Value	$ 0
Unrealized Losses, More than 12 Months	$ 0
Number of Securities, More than 12 Months | Security	0
Fair Value, Total	$ 1,241
Gross Unrealized Losses, Total	$ (77)
Number of Securities, Total | Security	2