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Consolidated Statements Of Changes In Shareholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified | 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, 2008 (Scenario Previously Reported [Member]) | $ 86,600 | $ 303,008 | $ 309,947 | $ (21,269) | $ (17,907) | $ (7,600) | $ 652,779
Balance (Cumulative effect from adoption FASB ASC 320-10- 65 [Member]) |  |  | 4,223 | (4,223) |  |  | 0
Balance at Dec. 31, 2008 | 86,600 | 303,008 | 314,170 | (25,492) | (17,907) | (7,600) | 652,779
Balance, shares at Dec. 31, 2008 (Scenario Previously Reported [Member]) | 85,050,744 |  |  |  |  |  |
Balance, shares at Dec. 31, 2008 | 85,050,744 |  |  |  |  |  |
Comprehensive income |  |  |  |  |  |  |
Net income (loss) |  |  | (20,064) |  |  |  | (20,064)
Other comprehensive income, net of tax: |  |  |  |  |  |  |
Unrealized holding gains on securities arising during the period |  |  |  | 19,848 |  |  | 19,848
Noncredit related gains (losses) on securities not expected to be sold |  |  |  | (23,653) |  |  | (23,653)
Less: reclassification adjustment for gains (losses) on securities included in net income (loss) |  |  |  | 23,378 |  |  | 23,378
Unrealized gains for postretirement obligations: |  |  |  |  |  |  |
Transition obligation |  |  |  | 1 |  |  | 1
Net gain (loss) |  |  |  | (127) |  |  | (127)
Total other comprehensive income |  |  |  |  |  |  | 19,447
Total comprehensive income |  |  |  |  |  |  | (617)
Cash dividends declared |  |  | (15,219) |  |  |  | (15,219)
Net decrease in unearned ESOP shares |  |  |  |  |  | 2,000 | 2,000
ESOP market value adjustment |  | (551) |  |  |  |  | (551)
Discount on dividend reinvestment plan purchases |  | (369) | 0 |  |  |  | (369)
Tax benefit of stock options exercised |  | 149 |  |  |  |  | 149
Treasury stock acquired |  | 0 |  |  | (18) |  | (18)
Treasury stock acquired, shares | (4,122) |  |  |  |  |  |
Treasury stock reissued |  | (707) | 0 |  | 1,191 |  | 484
Treasury stock reissued, shares | 105,253 |  |  |  |  |  |
Restricted stock | 0 | (7) | 0 |  | 180 |  | 173
Balance at Dec. 31, 2009 | 86,600 | 301,523 | 278,887 | (6,045) | (16,554) | (5,600) | 638,811
Balance, shares at Dec. 31, 2009 | 85,151,875 |  |  |  |  |  |
Comprehensive income |  |  |  |  |  |  |
Net income (loss) |  |  | 22,978 |  |  |  | 22,978
Other comprehensive income, net of tax: |  |  |  |  |  |  |
Unrealized holding gains on securities arising during the period |  |  |  | (5,446) |  |  | (5,446)
Noncredit related gains (losses) on securities not expected to be sold |  |  |  | 4,312 |  |  | 4,312
Less: reclassification adjustment for gains (losses) on securities included in net income (loss) |  |  |  | 4,434 |  |  | 4,434
Unrealized gains for postretirement obligations: |  |  |  |  |  |  |
Transition obligation |  |  |  | 1 |  |  | 1
Net gain (loss) |  |  |  | 286 |  |  | 286
Total other comprehensive income |  |  |  |  |  |  | 3,587
Total comprehensive income |  |  |  |  |  |  | 26,565
Cash dividends declared |  |  | (5,306) |  |  |  | (5,306)
Net decrease in unearned ESOP shares |  |  |  |  |  | 2,000 | 2,000
ESOP market value adjustment |  | (656) |  |  |  |  | (656)
Discount on dividend reinvestment plan purchases |  | (33) |  |  |  |  | (33)
Treasury stock acquired |  |  |  |  | (9) |  | (9)
Treasury stock acquired, shares | (1,291) |  |  |  |  |  |
Treasury stock reissued |  | 656 | (4,899) |  | 8,491 |  | 4,248
Treasury stock reissued, shares | 750,842 |  |  |  |  |  |
Restricted stock | 0 | 0 | (168) |  | 412 |  | 244
Restricted stock, shares | 30,120 |  |  |  |  |  |
Common stock issued | 18,915 | 64,998 | 0 |  |  |  | 83,913
Common stock issued, shares | 18,914,648 |  |  |  |  |  |
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 |  |  |  |  |  | 104,846,194
Comprehensive income |  |  |  |  |  |  |
Net income (loss) |  |  | 15,274 |  |  |  | 15,274
Other comprehensive income, net of tax: |  |  |  |  |  |  |
Unrealized holding gains on securities arising during the period |  |  |  | 6,323 |  |  | 6,323
Noncredit related gains (losses) on securities not expected to be sold |  |  |  | (276) |  |  | (276)
Less: reclassification adjustment for gains (losses) on securities included in net income (loss) |  |  |  | (1,420) |  |  | (1,420)
Unrealized gains for postretirement obligations: |  |  |  |  |  |  |
Transition obligation |  |  |  | 1 |  |  | 1
Net gain (loss) |  |  |  | (169) |  |  | (169)
Total other comprehensive income |  |  |  |  |  |  | 4,459
Total comprehensive income |  |  |  |  |  |  | 19,733
Cash dividends declared |  |  | (12,558) |  |  |  | (12,558)
Net decrease in unearned ESOP shares |  |  |  |  |  | 2,000 | 2,000
ESOP market value adjustment |  | (685) |  |  |  |  | (685)
Discount on dividend reinvestment plan purchases |  | (63) |  |  |  |  | (63)
Tax benefit of stock options exercised |  | 6 |  |  |  |  | 6
Treasury stock acquired |  |  |  |  | (9) |  | (9)
Treasury stock acquired, shares | (1,336) |  |  |  |  |  |
Treasury stock reissued |  |  | (83) |  | 155 |  | 72
Treasury stock reissued, shares | 13,760 |  |  |  |  |  |
Restricted stock | 25 | 1 | (69) |  | 169 |  | 126
Restricted stock, shares | 35,000 |  |  |  |  |  |
Common stock issued | 23 | 121 |  |  |  |  | 144
Common stock issued, shares | 23,376 |  |  |  |  |  |
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

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