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Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (USD $) In Thousands, except Share data | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income (Loss), net [Member] | Treasury Stock [Member] | Unearned ESOP Shares [Member]
--- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2011 | $ 758,543 | $ 105,563 | $ 365,868 | $ 294,056 | $ 2,001 | $ (7,345) | $ (1,600)
Beginning balance, shares at Dec. 31, 2011 |  | 104,916,994 |  |  |  |  |
Net Income | 33,219 |  |  | 33,219 |  |  |
Other comprehensive income (loss) | 2,966 |  |  |  | 2,966 |  |
Dividends, Common Stock, Cash | (13,633) |  |  | (13,633) |  |  |
Net decrease in unearned ESOP shares | 1,500 |  |  |  |  |  | 1,500
ESOP market value adjustment ($685, net of $240 tax benefit) | (445) |  | (445) |  |  |  |
Discount on dividend reinvestment plan purchases | (67) |  | (67) |  |  |  |
Tax benefit of stock options exercised | 1 |  | 1 |  |  |  |
Treasury stock acquired | (9,112) |  |  |  |  | (9,112) |
Treasury stock acquired, shares |  | (1,342,517) |  |  |  |  |
Treasury stock reissued | 617 |  |  | (329) |  | 946 |
Restricted stock, shares |  | 220,000 |  |  |  |  |
Treasury stock reissued, shares |  | 95,552 |  |  |  |  |
Restricted stock | 302 |  | 37 | (1,264) |  | 1,529 |
Ending balance at Sep. 30, 2012 | 773,891 | 105,563 | 365,394 | 312,049 | 4,967 | (13,982) | (100)
Ending balance, shares at Sep. 30, 2012 |  | 103,890,029 |  |  |  |  |
Beginning balance at Dec. 31, 2012 | 746,007 | 105,563 | 365,354 | 315,608 | 1,259 | (41,777) | 0
Beginning balance, shares at Dec. 31, 2012 | 99,629,494 | 99,629,494 |  |  |  |  |
Net Income | 32,223 |  |  | 32,223 |  |  |
Other comprehensive income (loss) | (20,728) |  |  |  | (20,728) |  |
Dividends, Common Stock, Cash | (16,630) |  |  | (16,630) |  |  |
Discount on dividend reinvestment plan purchases | (84) |  | (84) |  |  |  |
Tax benefit of stock options exercised | 0 |  |  |  |  |  |
Treasury stock acquired | (30,001) |  |  |  |  | (30,001) |
Treasury stock acquired, shares |  | (4,168,088) |  |  |  |  |
Treasury stock reissued | 176 |  |  | 0 |  | 176 |
Restricted stock, shares |  | 58,000 |  |  |  |  |
Treasury stock reissued, shares |  | 25,359 |  |  |  |  |
Restricted stock | 393 |  | 68 | 2 |  | 323 |
Ending balance at Sep. 30, 2013 | $ 711,356 | $ 105,563 | $ 365,338 | $ 331,203 | $ (19,469) | $ (71,279) | $ 0
Ending balance, shares at Sep. 30, 2013 | 95,544,765 | 95,544,765 |  |  |  |  |

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