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Consolidated Condensed Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data | Jun. 30, 2011 | Dec. 31, 2010
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Consolidated Condensed Balance Sheets |  |
Amortized cost of securities available-for-sale | $ 1,107,211 | $ 1,274,258
Fair value of securities held-to-maturity | 786,222 | 686,114
Preferred stock shares authorized | 200,000 | 200,000
Preferred stock shares issued | 100,000 | 100,000
Preferred stock per share liquidation preference | $ 1,000 | $ 1,000
Common stock no par value |  |
Common stock shares authorized | 20,000,000 | 20,000,000
Common stock shares issued | 16,151,042 | 16,151,062
Treasury stock shares | 752,129 | 752,128

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