VARIABLE INTEREST ENTITIES INVESTMENT SECURITIES AVAILABLE-FOR-SALE (Sales of Available-for-sale Securities) (Details) RSO - RSO [Member] $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015 USD ($) Security	Sep. 30, 2014 USD ($) Security	Sep. 30, 2015 USD ($) Security	Sep. 30, 2014 USD ($) Security
CMBS [Member]
Schedule of Available-for-sale Securities [Line Items]
Positions Sold		0		6
Positions Redeemed		0		0
Par Amount Sold | $		$ 0		$ 28,470
Realized Gain (Loss) | $		$ 0		$ 182
ABS [Member]
Schedule of Available-for-sale Securities [Line Items]
Positions Sold	8	3	15	3
Positions Redeemed	0	0	3	1
Par Amount Sold | $	$ 15,462	$ 6,947	$ 31,399	$ 9,447
Realized Gain (Loss) | $	$ 2,437	$ 2,974	$ 10,547	$ 3,000
RMBS [Member]
Schedule of Available-for-sale Securities [Line Items]
Positions Sold	0		6
Positions Redeemed	0		0
Par Amount Sold | $	$ 0		$ 28,305
Realized Gain (Loss) | $	$ 0		$ 984
Corporate bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Positions Sold		0		0
Positions Redeemed		1		2
Par Amount Sold | $		$ 1,000		$ 1,630
Realized Gain (Loss) | $		$ 48		$ 47