Consolidated Balance Sheets (unaudited) (Parentheticals) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Investment securities held to maturity, fair value (in Dollars)	$ 778,330	$ 594,711
Common stock, shares authorized	150,000	150,000
Common stock, shares issued	28,301	29,090
Common stock, shares outstanding	28,301	29,090

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of shares of common stock held by shareholders. May be all or portion of the number of common shares authorized. These shares represent the ownership interest of the common shareholders. Shares outstanding equals shares issued minus shares held in treasury and other adjustments, if any.

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This item represents the aggregate fair value of investments in debt securities as of the balance sheet date and which are categorized as held-to-maturity.

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