FAIR VALUE, Valuation Methodologies (Details) (USD $)	9 Months Ended
Sep. 30, 2011
Valuation Methodologies [Abstract]
Minimum number of quoted market prices used in determining fair value of available-for-sale investment securities	2
Number of trust preferred securities included in Level 3 available-for-sale securities	4
Percentage of total available-for-sale securities represented by Level 3 available-for-sale securities (in hundredths)	1.00%
Minimum number of quoted market prices traditionally used in determining fair value of level 3 available-for-sale securities	2
Non-covered OREO	$ 21,200,000
Covered OREO	87,300,000
Foreign Exchange Options [Member]
Valuation Methodologies [Abstract]
Valuation adjustment due to counterparty credit risk	300,000
Term of contract (in years)	5Y
Interest Rate Swaps [Member]
Valuation Methodologies [Abstract]
Valuation adjustment due to counterparty credit risk	$ 1,100,000
Equity Swap Agreements [Member]
Valuation Methodologies [Abstract]
Term of contract (in years)	5Y

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the total of all covered other real estate owned resulting from acquisitions for which the company entered into shared-loss agreements.

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- Definition

The minimum number of quoted market prices obtained from independent external brokers or prices obtained from independent external pricing service providers that are used in determining the fair value of available-for-sale securities. Fair values are generally determined by reference to the average of at least two independent broker prices obtained.

+ Details

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- Definition

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- Definition

The minimum number of quoted market prices obtained from independent external brokers that have traditionally been used in determining the fair values of level 3 available-for-sale securities.

+ Details

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- Definition

The number of trust preferred securities included in the Company's Level 3 available-for-sale securities.

+ Details

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- Definition

The percentage of total available-for-sale securities represented by the Company's Level 3 available-for-sale securities.

+ Details

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- Definition

The term of the contract (in years) associated with the derivative instrument.

+ Details

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- Definition

The adjustment made in the income statement for the counterparty's change in credit risk during the period.

+ Details

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- Details

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