VARIABLE INTEREST ENTITIES FAIR VALUE OF FINANCIAL INSTRUMENTS (Assets and Liabilities Measured at Fair Value) (Details) RSO (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Assets:
Investment securities, trading	$ 317	$ 5,365
Investment securities available-for-sale	7,522	5,211
RSO [Member]
Assets:
Investment securities, trading	11,558	24,843
Investment securities available-for-sale	209,837	231,590
CMBS - Linked Transactions	30,066	6,835
RSO [Member] | Recurring Basis [Member]
Assets:
Investment securities, trading	11,558	24,843
Investment securities available-for-sale	209,837	231,590
CMBS - Linked Transactions	30,066	6,835
Total assets at fair value	251,461	263,268
Liabilities:
Derivatives (net)	10,586	14,687
Total liabilities at fair value	10,586	14,687
RSO [Member] | Recurring Basis [Member] | Level 1 [Member]
Assets:
Investment securities, trading	0	0
Investment securities available-for-sale	2,370	9,757
CMBS - Linked Transactions	0	0
Total assets at fair value	2,370	9,757
Liabilities:
Derivatives (net)	0	0
Total liabilities at fair value	0	0
RSO [Member] | Recurring Basis [Member] | Level 2 [Member]
Assets:
Investment securities, trading	0	0
Investment securities available-for-sale	92	132,561
CMBS - Linked Transactions	0	4,802
Total assets at fair value	92	137,363
Liabilities:
Derivatives (net)	395	610
Total liabilities at fair value	395	610
RSO [Member] | Recurring Basis [Member] | Level 3 [Member]
Assets:
Investment securities, trading	11,558	24,843
Investment securities available-for-sale	207,375	89,272
CMBS - Linked Transactions	30,066	2,033
Total assets at fair value	248,999	116,148
Liabilities:
Derivatives (net)	10,191	14,077
Total liabilities at fair value	$ 10,191	$ 14,077