VARIABLE INTEREST ENTITIES FAIR VALUE OF FINANCIAL INSTRUMENTS (Assets and Liabilities Measured at Fair Value) (Details) RSO (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Assets:
Investment securities, trading	$ 4,521	$ 317
Investment securities available-for-sale	8,069	7,522
RSO [Member]
Assets:
Investment securities, trading	8,951	11,558
Investment securities available-for-sale	264,503	215,206
CMBS - linked transactions	13,676	30,066
Derivatives, at fair value	755	0
RSO [Member] | Recurring Basis [Member]
Assets:
Investment securities, trading	8,951	11,558
Investment securities available-for-sale	264,503	209,837
CMBS - linked transactions	13,676	30,066
Derivatives, at fair value	755
Total assets at fair value	287,885	251,461
Liabilities:
Derivatives (net)	9,855	10,586
Total liabilities at fair value	9,855	10,586
RSO [Member] | Recurring Basis [Member] | Level 1 [Member]
Assets:
Investment securities, trading	0	0
Investment securities available-for-sale	1,886	2,370
CMBS - linked transactions	0	0
Derivatives, at fair value	0
Total assets at fair value	1,886	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	1,581	92
CMBS - linked transactions	0	0
Derivatives, at fair value	755
Total assets at fair value	2,336	92
Liabilities:
Derivatives (net)	785	395
Total liabilities at fair value	785	395
RSO [Member] | Recurring Basis [Member] | Level 3 [Member]
Assets:
Investment securities, trading	8,951	11,558
Investment securities available-for-sale	261,036	207,375
CMBS - linked transactions	13,676	30,066
Derivatives, at fair value	0
Total assets at fair value	283,663	248,999
Liabilities:
Derivatives (net)	9,070	10,191
Total liabilities at fair value	$ 9,070	$ 10,191