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Consolidated Condensed Statements Of Changes In Stockholders' Equity (USD $) In Thousands, unless otherwise specified | Total | Preferred Stock [Member] | Common Stock [Member] | Retained Earnings [Member] | Treasury Stock At Cost [Member] | Accumulated Other Comprehensive Income (loss) [Member]
--- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2012 |  | $ 0 | $ 302,654 | $ 441,605 | $ (76,375) | $ (17,518)
Net Income | 59,773 |  |  | 59,773 |  |
Other comprehensive income, net of tax: |  |  |  |  |  |
Unrealized net holding gain (loss) on securities available-for-sale, net of income taxes | (33,931) |  |  |  |  | (33,931)
Cash dividends on common stock at $2.82 per share |  |  |  | (43,461) |  |
Cash payment for fractional shares in dividend reinvestment plan |  |  | (2) |  |  |
Allocated Share-based Compensation Expense | 0 |  |  |  |  |
Balance at Sep. 30, 2013 |  | 0 | 302,652 | 457,917 | (76,375) | (51,449)
Balance at Dec. 31, 2013 | 651,747 | 0 | 302,651 | 460,643 | (76,128) | (35,419)
Net Income | 59,749 |  |  | 59,749 |  |
Other comprehensive income, net of tax: |  |  |  |  |  |
Unrealized net holding gain (loss) on securities available-for-sale, net of income taxes | 21,115 |  |  |  |  | 21,115
Cash dividends on common stock at $2.82 per share |  |  |  | (43,462) |  |
Cash payment for fractional shares in dividend reinvestment plan |  |  | (3) |  |  |
Allocated Share-based Compensation Expense | 355 |  | 355 |  |  |
Treasury Stock, Value, Acquired, Cost Method |  |  |  |  | (1,485) |
Balance at Sep. 30, 2014 | $ 688,016 | $ 0 | $ 303,003 | $ 476,930 | $ (77,613) | $ (14,304)

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