VARIABLE INTEREST ENTITIES INVESTMENT SECURITIES TRADING (Details) RSO $ in Thousands	6 Months Ended
	Jun. 30, 2015 USD ($) Security	Jun. 30, 2014 USD ($) Security	Dec. 31, 2014 USD ($) Security
Schedule of Trading Securities and Other Trading Assets [Line Items]
Fair Value	$ 281		$ 475
Trading Securities, Number Sold | Security	10	1
Trading Securities, Realized Gain		$ 379,000
RSO [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	$ 34,415		24,772
Unrealized Gains	3,027		1,098
Unrealized Losses	(4,762)		(5,084)
Fair Value	32,680		$ 20,786
Trading Securities, Realized Gain	$ 621
Number of trading securities held | Security	47		37
Structured notes [Member] | RSO [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	$ 32,519		$ 22,876
Unrealized Gains	3,027		1,098
Unrealized Losses	(2,866)		(3,188)
Fair Value	32,680		20,786
RMBS [Member] | RSO [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	1,896		1,896
Unrealized Gains	0		0
Unrealized Losses	(1,896)		(1,896)
Fair Value	$ 0		$ 0