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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLERS' EQUITY - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-in Capital | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Treasury Stock
--- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2014 | $ 608,389 | $ 77,993 | $ 78,818 | $ 504,060 | $ (13,833) | $ (38,649)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net Income | 67,081 |  |  | 67,081 |  |
Other comprehensive income (loss), net of tax | (2,624) |  |  |  | (2,624) |
Cash dividends declared | (24,487) |  |  | (24,487) |  |
Common stock issued in acquisition | 142,469 | 12,333 | 130,136 |  |  |
Treasury stock issued | (182) |  |  | (2,426) |  | 2,244
Recognition of restricted stock compensation expense | 1,670 |  | 1,670 |  |  |
Tax benefit from stock-based compensation | 53 |  | 53 |  |  |
Costs to issue equity securities | (132) |  | (132) |  |  |
Ending balance at Dec. 31, 2015 | 792,237 | 90,326 | 210,545 | 544,228 | (16,457) | (36,405)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net Income | 71,392 |  |  | 71,392 |  |
Other comprehensive income (loss), net of tax | 2,673 |  |  |  | 2,673 |
Cash dividends declared | (26,784) |  |  | (26,784) |  |
Treasury stock issued | (115) |  |  | (2,945) |  | 2,830
Recognition of restricted stock compensation expense | 2,544 |  | 2,544 |  |  |
Tax benefit from stock-based compensation | 9 |  | 9 |  |  |
Ending balance at Dec. 31, 2016 | 841,956 | 90,326 | 213,098 | 585,891 | (13,784) | (33,575)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net Income | 72,968 |  |  | 72,968 |  |
Other comprehensive income (loss), net of tax | (4,643) |  |  |  | (4,643) |
Cash dividends declared | (28,569) |  |  | (28,569) |  |
Treasury stock issued | (689) |  |  | (2,183) |  | 1,494
Recognition of restricted stock compensation expense | 3,008 |  | 3,008 |  |  |
Ending balance at Dec. 31, 2017 | $ 884,031 | $ 90,326 | $ 216,106 | $ 628,107 | $ (18,427) | $ (32,081)

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