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, 2015	Dec. 31, 2014
Assets:
Investment securities, trading	$ 266us-gaap_TradingSecurities	$ 475us-gaap_TradingSecurities
Investment securities available-for-sale	9,519us-gaap_AvailableForSaleSecurities	9,065us-gaap_AvailableForSaleSecurities
RSO [Member]
Assets:
Investment securities, trading	29,770	20,786
Investment securities available-for-sale	284,070	275,720
CMBS - linked transactions	0	15,367
Derivatives, at fair value	14,036	5,304
RSO [Member] \| Recurring Basis [Member]
Assets:
Investment securities, trading	29,770	20,786
Investment securities available-for-sale	284,070	275,720
CMBS - linked transactions		15,367
Derivatives, at fair value	14,035	5,304
Total assets at fair value	327,875	317,177
Liabilities:
Moselle CLO Notes		68,940
Derivatives (net)	8,860	8,476
Total liabilities at fair value	8,860	77,416
RSO [Member] \| Recurring Basis [Member] \| Level 1 [Member]
Assets:
Investment securities, trading	0	0
Investment securities available-for-sale	0	0
CMBS - linked transactions		0
Derivatives, at fair value	7,015	3,429
Total assets at fair value	7,015	3,429
Liabilities:
Moselle CLO Notes		0
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	32,567	33,158
CMBS - linked transactions		0
Derivatives, at fair value	384	7
Total assets at fair value	32,951	33,165
Liabilities:
Moselle CLO Notes		0
Derivatives (net)	1,319	0
Total liabilities at fair value	1,319	0
RSO [Member] \| Recurring Basis [Member] \| Level 3 [Member]
Assets:
Investment securities, trading	29,770	20,786
Investment securities available-for-sale	251,503	242,562
CMBS - linked transactions		15,367
Derivatives, at fair value	6,636	1,868
Total assets at fair value	287,909	280,583
Liabilities:
Moselle CLO Notes		68,940
Derivatives (net)	7,541	8,476
Total liabilities at fair value	$ 7,541	$ 77,416

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Moselle CLO Notes

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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-Publisher FASB

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Fair value of financial and nonfinancial obligations.

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Amount of investments in debt and equity securities and other forms of securities that provide ownership interests classified as trading.

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