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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, 2011 |  | $ 98,146 | $ 305,499 | $ 424,557 | $ (77,007) | $ (8,831)
Net Income | 50,361 |  |  | 50,361 |  |
Other comprehensive income, net of tax: |  |  |  |  |  |
Change in funded status of pension plan, net of income taxes | (412) |  |  |  |  | 412
Unrealized net holding gain on cash flow hedge, net of income taxes | 259 |  |  |  |  | 259
Unrealized net holding loss on securities available-for-sale, net of income taxes | 604 |  |  |  |  | 604
Cash dividends on common stock at $1.88 per share |  |  |  | (28,962) |  |
Cash payment for fractional shares in dividend reinvestment plan |  |  | (1) |  |  |
Common stock warrant repurchased | (2,843) |  |  |  |  |
Preferred stock repurchased | 100,000 |  |  |  |  |
Accretion of discount on preferred stock |  | 1,854 |  | (1,854) |  |
Preferred stock dividends |  |  |  | (1,571) |  |
Balance at Jun. 30, 2012 |  | 0 | 302,655 | 442,531 | (77,007) | (7,556)
Balance at Dec. 31, 2012 | 650,366 | 0 | 302,654 | 441,605 | (76,375) | (17,518)
Net Income | 40,744 |  |  | 40,744 |  |
Other comprehensive income, net of tax: |  |  |  |  |  |
Change in funded status of pension plan, net of income taxes |  |  |  |  |  |
Unrealized net holding gain on cash flow hedge, net of income taxes |  |  |  |  |  |
Unrealized net holding loss on securities available-for-sale, net of income taxes | (22,916) |  |  |  |  | (22,916)
Cash dividends on common stock at $1.88 per share |  |  |  | (28,974) |  |
Cash payment for fractional shares in dividend reinvestment plan |  |  | (1) |  |  |
Common stock warrant repurchased | 0 |  |  |  |  |
Balance at Jun. 30, 2013 | $ 639,219 | $ 0 | $ 302,653 | $ 453,375 | $ (76,375) | $ (40,434)

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