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Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive (Loss)/Income [Member] | Treasury Stock [Member]
--- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2013 | $ 571,306 | $ 77,993 | $ 78,140 | $ 468,158 | $ (12,694) | $ (40,291)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 28,753 |  |  | 28,753 |  |
Other comprehensive income (loss), net of tax | 6,668 |  |  |  | 6,668 |
Cash dividends declared | (9,810) |  |  | (9,810) |  |
Treasury stock issued for restricted awards | (160) |  |  | (1,824) |  | 1,664
Recognition of restricted stock compensation expense | 430 |  | 430 |  |  |
Balance at Jun. 30, 2014 | 597,187 | 77,993 | 78,570 | 485,277 | (6,026) | (38,627)
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 | 31,023 |  |  | 31,023 |  |
Other comprehensive income (loss), net of tax | 312 |  |  |  | 312 |
Cash dividends declared | (11,608) |  |  | (11,608) |  |
Common stock issued in acquisition | 142,469 | 12,333 | 130,136 |  |  |
Treasury stock issued for restricted awards | (111) |  |  | (2,419) |  | 2,308
Recognition of restricted stock compensation expense | 858 |  | 858 |  |  |
Tax benefit from stock-based compensation | 29 |  | 29 |  |  |
Issuance costs | (132) |  | (132) |  |  |
Balance at Jun. 30, 2015 | $ 771,229 | $ 90,326 | $ 209,709 | $ 521,056 | $ (13,521) | $ (36,341)

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