CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY AND COMPREHENSIVE INCOME (LOSS) (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010
CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY AND COMPREHENSIVE INCOME (LOSS)
Shares issued under the dividend reinvestment plan	25,331	19,454
Shares issued under the dividend reinvestment plan, market value percentage (as a percent)	95.00%	95.00%
Stock options exercised	20,163
Stock issued under directors' stock plan	14,000	13,875
Stock-based compensation	100,429	149,103
Treasury stock reissued	110,427	142,665
Cash dividend on common stock, per share (in dollars per share)	$ 0.10	$ 0.10
Cash dividend on preferred stock (as a percent)	5.00%	5.00%
Unrealized gains (losses) on securities available for sale, taxes (in dollars)	$ 680	$ 1,201
Adjustment for (gains) losses included in net income, taxes (in dollars)	$ 45	$ 1,104

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Number of shares issued during the period as a result of a directors' stock plan.

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This element represents the percentage of current market price at which shares were issued during the period under a dividend reinvestment plan (DRIP).

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Aggregate dividends declared during the period for each share of common stock outstanding.

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Tax effect on the reclassification adjustment for gains or losses realized upon the sale of securities during the period.

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Tax effect on gross appreciation or the gross loss in value of the total of unsold securities during the period being reported on.

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Number of shares issued during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the shareholders to reinvest dividends paid to them by the entity on new issues of stock by the entity.

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Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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Number of share options (or share units) exercised during the current period.

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Number of treasury shares (units) reissued during the period, excluding reissuance of shares (units) held in treasury used to satisfy equity-based compensation obligations exercised by the holders of such rights. Upon reissuance of shares (units) from treasury, either the common or preferred stock (unit) reissued is outstanding.

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