VARIABLE INTEREST ENTITIES INVESTMENT SECURITIES AVAILABLE-FOR-SALE (Gross Unrealized Loss and Fair Value of Securities) (Details) RSO (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Fair Value, Less than 12 Months	$ 3,154	$ 2,643
Unrealized Losses, Less than 12 Months	(224)	(176)
Fair Value, More than 12 Months	0	0
Unrealized Losses, More than 12 Months	0	0
RSO [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Fair Value, Less than 12 Months	27,024	38,307
Unrealized Losses, Less than 12 Months	(241)	(851)
Number of Securities, Less than 12 Months	21	31
Fair Value, More than 12 Months	17,784	26,541
Unrealized Losses, More than 12 Months	(900)	(2,705)
Number of Securities, More than 12 Months	21	16
Fair Value, Total	44,808	64,848
Gross Unrealized Losses, Total	(1,141)	(3,556)
Number of Securities, Total	42	47
RSO [Member] | CMBS [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Fair Value, Less than 12 Months	25,380	35,860
Unrealized Losses, Less than 12 Months	(220)	(555)
Number of Securities, Less than 12 Months	19	22
Fair Value, More than 12 Months	16,396	25,583
Unrealized Losses, More than 12 Months	(514)	(2,647)
Number of Securities, More than 12 Months	12	13
Fair Value, Total	41,776	61,443
Gross Unrealized Losses, Total	(734)	(3,202)
Number of Securities, Total	31	35
RSO [Member] | ABS [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Fair Value, Less than 12 Months	197	1,000
Unrealized Losses, Less than 12 Months	(1)	(278)
Number of Securities, Less than 12 Months	1	8
Fair Value, More than 12 Months	1,388	958
Unrealized Losses, More than 12 Months	(386)	(58)
Number of Securities, More than 12 Months	9	3
Fair Value, Total	1,585	1,958
Gross Unrealized Losses, Total	(387)	(336)
Number of Securities, Total	10	11
RSO [Member] | Corporate bonds [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Fair Value, Less than 12 Months	1,447	1,447
Unrealized Losses, Less than 12 Months	(20)	(18)
Number of Securities, Less than 12 Months	1	1
Fair Value, More than 12 Months	0	0
Unrealized Losses, More than 12 Months	0	0
Number of Securities, More than 12 Months	0	0
Fair Value, Total	1,447	1,447
Gross Unrealized Losses, Total	$ (20)	$ (18)
Number of Securities, Total	1	1