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Condensed Consolidated Statements Of Changes In Shareholders' Equity (USD $) In Thousands, except Share data | 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] | Total
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2010 | $ 105,515 | $ 366,488 | $ 291,492 | $ (2,458) | $ (7,660) | $ (3,600) | $ 749,777
Balance, shares at Dec. 31, 2010 | 104,846,194 |  |  |  |  |  |
Net income |  |  | 5,246 |  |  |  | 5,246
Other comprehensive loss (income) |  |  |  | (211) |  |  | (211)
Cash dividends declared |  |  | (3,138) |  |  |  | (3,138)
Net decrease in unearned ESOP shares |  |  |  |  |  | 500 | 500
ESOP market value adjustment |  | (147) |  |  |  |  | (147)
Discount on dividend reinvestment plan purchases |  | (16) |  |  |  |  | (16)
Tax benefit of stock options exercised |  | 6 |  |  |  |  | 6
Treasury stock reissued |  |  | (82) |  | 156 |  | 74
Treasury stock reissued, shares | 13,760 |  |  |  |  |  |
Restricted stock |  | 7 |  |  | 34 |  | 41
Balance at Mar. 31, 2011 | 105,515 | 366,338 | 293,518 | (2,669) | (7,470) | (3,100) | 752,132
Balance, shares at Mar. 31, 2011 | 104,859,954 |  |  |  |  |  |
Balance at Dec. 31, 2011 | 105,563 | 365,868 | 294,056 | 2,001 | (7,345) | (1,600) | 758,543
Balance, shares at Dec. 31, 2011 | 104,916,994 |  |  |  |  |  | 104,916,994
Net income |  |  | 11,051 |  |  |  | 11,051
Other comprehensive loss (income) |  |  |  | 1,039 |  |  | 1,039
Cash dividends declared |  |  | (3,147) |  |  |  | (3,147)
Net decrease in unearned ESOP shares |  |  |  |  |  | 500 | 500
ESOP market value adjustment |  | (157) |  |  |  |  | (157)
Discount on dividend reinvestment plan purchases |  | (16) |  |  |  |  | (16)
Tax benefit of stock options exercised |  | 1 |  |  |  |  | 1
Treasury stock reissued |  | 0 | (163) |  | 373 |  | 210
Treasury stock reissued, shares | 33,024 |  |  |  |  |  |
Restricted stock |  | 11 | (603) |  | (74) |  | (666)
Restricted stock, shares | 100,000 |  |  |  |  |  |
Balance at Mar. 31, 2012 | $ 105,563 | $ 365,707 | $ 301,194 | $ 3,040 | $ (7,046) | $ (1,100) | $ 767,358
Balance, shares at Mar. 31, 2012 | 105,050,018 |  |  |  |  |  | 105,050,018

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