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Consolidated Statements Of Changes In Shareholders' Equity - USD ($) $ in Thousands | Total | Common Stock [Member] | Capital Surplus[Member] | Retained Earnings [Member] | Treasury Stock [Member] | Accumulated Other Comprehensive Income (Loss) [Member]
--- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2013 | $ 387,623 | $ 46,249 | $ 107,596 | $ 333,970 | $ (95,202) | $ (4,990)
Net income | 26,560 |  |  | 26,560 |  |
Other comprehensive income (loss) | 2,481 |  |  |  |  | 2,481
Cash dividends declared | (12,512) |  |  | (12,512) |  |
Stock-based compensation expense, net | 889 |  | (494) |  | 1,383 |
Exercise of stock options | 553 |  | (272) |  | 825 |
Purchase of treasury shares | (8,363) |  |  |  | (8,363) |
Ending balance at Jun. 30, 2014 | 397,231 | 46,249 | 106,830 | 348,018 | (101,357) | (2,509)
Beginning Balance at Dec. 31, 2014 | 390,853 | 46,249 | 107,370 | 362,211 | (120,818) | (4,159)
Net income | 29,975 |  |  | 29,975 |  |
Other comprehensive income (loss) | (733) |  |  |  |  | (733)
Cash dividends declared | (12,807) |  |  | (12,807) |  |
Stock-based compensation expense, net | 1,060 |  | (408) |  | 1,468 |
Exercise of stock options | 996 |  | (306) |  | 1,302 |
Exercise of warrants | 1,896 |  | (765) |  | 2,661 |
Ending balance at Jun. 30, 2015 | $ 411,240 | $ 46,249 | $ 105,891 | $ 379,379 | $ (115,387) | $ (4,892)

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