VARIABLE INTEREST ENTITIES INVESTMENT SECURITIES AVAILABLE-FOR-SALE (Aggregate Discount (Premium) due to Interest Rate Changes) (Details) RSO (RSO [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
CMBS [Member]
Schedule of Available-for-sale Securities [Line Items]
Excess of aggregate discount over aggregate premium	$ 6,170	$ 6,583
ABS [Member]
Schedule of Available-for-sale Securities [Line Items]
Excess of aggregate discount over aggregate premium	2,174	2,394
Corporate bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Excess of aggregate discount over aggregate premium	$ 103	$ (68)