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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 | 23,372 |  |  | 23,372 |  |  |
Other comprehensive income (loss) | 833 |  |  |  | 833 |  |
ESOP market value adjustment ($477, net of $167 tax benefit) | (310) |  | (310) |  |  |  |
Discount on dividend reinvestment plan purchases | (42) |  | (42) |  |  |  |
Tax benefit of stock options exercised | 1 |  | 1 |  |  |  |
Treasury stock acquired | (3,045) |  |  |  |  | (3,045) |
Treasury stock acquired, shares |  | (469,700) |  |  |  |  |
Treasury stock reissued | 354 |  |  | (296) |  | 650 |
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures |  | 224,000 |  |  |  |  |
Treasury stock reissued, shares |  | 57,552 |  |  |  |  |
Restricted stock | 186 |  | 24 | (1,264) |  | 1,426 |
Dividends, Common Stock, Cash | 8,402 |  |  | 8,402 |  |  |
Amortization of ESOP Award | 1,000 |  |  |  |  |  | 1,000
Ending balance at Jun. 30, 2012 | 772,490 | 105,563 | 365,541 | 307,466 | 2,834 | (8,314) | (600)
Ending balance, shares at Jun. 30, 2012 |  | 104,728,846 |  |  |  |  |
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 | 16,369 |  |  | 16,369 |  |  |
Other comprehensive income (loss) | (17,981) |  |  |  | (17,981) |  |
Discount on dividend reinvestment plan purchases | (55) |  | (55) |  |  |  |
Tax benefit of stock options exercised | 0 |  |  |  |  |  |
Treasury stock acquired | (23,247) |  |  |  |  | (23,247) |
Treasury stock acquired, shares |  | (3,267,692) |  |  |  |  |
Treasury stock reissued | 176 |  |  | 0 |  | 176 |
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures |  | 55,000 |  |  |  |  |
Treasury stock reissued, shares |  | 25,359 |  |  |  |  |
Restricted stock | 248 |  | 53 | 0 |  | 195 |
Dividends, Common Stock, Cash | 10,842 |  |  | 10,842 |  |  |
Ending balance at Jun. 30, 2013 | $ 710,675 | $ 105,563 | $ 365,352 | $ 321,135 | $ (16,722) | $ (64,653) | $ 0
Ending balance, shares at Jun. 30, 2013 | 96,442,161 | 96,442,161 |  |  |  |  |

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