VARIABLE INTEREST ENTITIES INVESTMENT SECURITIES AVAILABLE-FOR-SALE (Estimated Maturities of Available-For-Sale Securities) (Details) RSO (RSO [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Fair Value
Less than one year	$ 42,618	$ 44,583
Greater than one year and less than five years	122,509	68,751
Greater than five years and less than ten years	61,780	25,596
Greater than ten years	4,683	1,936
Total	231,590	140,866
Amortized Cost
Less than one year	46,522	48,934
Greater than one year and less than five years	131,076	91,199
Greater than five years and less than ten years	60,801	29,527
Greater than ten years	4,675	3,187
Total	243,074	172,847
Weighted Average Coupon
Less than one year	4.09%	4.45%
Greater than one year and less than five years	4.55%	4.62%
Greater than five years	3.31%	3.52%
Weighted average coupon rate, greater than ten years	4.03%	3.84%
Total	4.12%	4.36%
CMBS, Floating-Rate Loans [Member]
Fair Value
Less than one year		6,700
CMBS [Member]
Fair Value
Less than one year		37,900
Total	170,800	115,600
ABS [Member]
Fair Value
Less than one year		$ 950