INVESTMENT SECURITIES (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Amortized Cost	$ 694,595	$ 717,593
Unrealized Gross Gains	20,397	18,292
Unrealized Gross Losses	(6,108)	(6,041)
Fair Value	708,884	729,844
Us Treasury Securities [Member]
Amortized Cost	200	200
Unrealized Gross Gains	0	3
Unrealized Gross Losses	0	0
Fair Value	200	203
Us Government Debt Securities [Member]
Amortized Cost	200,752	216,211
Unrealized Gross Gains	3,936	3,453
Unrealized Gross Losses	0	(33)
Fair Value	204,688	219,631
Corporate Debt Securities [Member]
Amortized Cost	14,303	14,351
Unrealized Gross Gains	0	0
Unrealized Gross Losses	(5,925)	(5,844)
Fair Value	8,378	8,507
Collateralized Mortgage Backed Securities [Member]
Amortized Cost	399,028	419,510
Unrealized Gross Gains	11,141	9,351
Unrealized Gross Losses	(86)	(136)
Fair Value	410,083	428,725
Us States and Political Subdivisions Debt Securities [Member]
Amortized Cost	69,046	56,003
Unrealized Gross Gains	4,658	4,736
Unrealized Gross Losses	(74)	(7)
Fair Value	73,630	60,732
Equity Securities, Other [Member]
Amortized Cost	11,266	11,318
Unrealized Gross Gains	662	749
Unrealized Gross Losses	(23)	(21)
Fair Value	$ 11,905	$ 12,046

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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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. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities which are categorized as Available-for-sale.

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- Definition

This item represents the gross unrealized gains for securities, at a point in time, which are categorized neither as held-to-maturity nor trading securities.

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