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Consolidated Condensed Statements Of Changes In Stockholders' Equity (Parenthetical) (USD $) In Thousands, except Per Share data | 6 Months Ended
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Jun. 30, 2011 | Jun. 30, 2010
Consolidated Condensed Statements Of Changes In Stockholders' Equity |  |
Unrealized net holding gain (loss) on cash flow hedge, tax | $ 104 | $ (113)
Unrealized net holding gain (loss) on securities available-for-sale, tax | $ (4,578) | $ 231
Cash dividends on common stock per share | $ 1.88 | $ 1.88

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