VARIABLE INTEREST ENTITIES FAIR VALUE OF FINANCIAL INSTRUMENTS (Assets and Liabilities Measured at Fair Value) (Details) RSO (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Assets:
Investment securities, trading	$ 977	$ 317
Investment securities available-for-sale	8,123	7,522
RSO [Member]
Assets:
Investment securities, trading	9,987	11,558
Investment securities available-for-sale	233,551	215,206
CMBS - linked transactions	34,829	30,066
Derivatives, at fair value	556	0
RSO [Member] | Recurring Basis [Member]
Assets:
Investment securities, trading	9,987	11,558
Investment securities available-for-sale	233,551	209,837
CMBS - linked transactions	34,829	30,066
Derivatives, at fair value	556
Total assets at fair value	278,923	251,461
Liabilities:
Derivatives (net)	10,242	10,586
Total liabilities at fair value	10,242	10,586
RSO [Member] | Recurring Basis [Member] | Level 1 [Member]
Assets:
Investment securities, trading	0	0
Investment securities available-for-sale	1,764	2,370
CMBS - linked transactions	0	0
Derivatives, at fair value	0
Total assets at fair value	1,764	2,370
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	816	92
CMBS - linked transactions	0	0
Derivatives, at fair value	556
Total assets at fair value	1,372	92
Liabilities:
Derivatives (net)	401	395
Total liabilities at fair value	401	395
RSO [Member] | Recurring Basis [Member] | Level 3 [Member]
Assets:
Investment securities, trading	9,987	11,558
Investment securities available-for-sale	230,971	207,375
CMBS - linked transactions	34,829	30,066
Derivatives, at fair value	0
Total assets at fair value	275,787	248,999
Liabilities:
Derivatives (net)	9,841	10,191
Total liabilities at fair value	$ 9,841	$ 10,191