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Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands | Common Stock [Member] | Capital Surplus [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income (Loss), Net of Tax [Member] | Total
--- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2015 | $ 87,685 | $ 217,032 | $ 169,855 | $ 1,011 | $ 475,583
Balance (in shares) at Dec. 31, 2015 | 17,536,914 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll forward] |  |  |  |  |
Net income |  |  | 47,346 |  | 47,346
Other comprehensive loss, net of tax |  |  |  | (3,315) | (3,315)
Cash dividends declared |  |  | (22,123) |  | (22,123)
Issuance of common stock | $ 693 | 2,292 |  |  | 2,985
Issuance of common stock (in shares) | 138,605 |  |  |  |
Repurchase of common stock | $ (57) | (325) |  |  | (382)
Repurchase of common stock (in shares) | (11,574) |  |  |  |
Vesting of restricted stock | $ (265) | 265 |  |  | 0
Vesting of restricted stock (in shares) | (52,963) |  |  |  |
Issuance of restricted stock | $ 90 | (90) |  |  | 0
Issuance of restricted stock (in shares) | 18,069 |  |  |  |
Forfeiture of restricted stock | $ (2) | 2 |  |  | 0
Forfeiture of restricted stock (in shares) | (356) |  |  |  |
Stock-based compensation and related excess tax benefits |  | 521 |  |  | 521
Balance at Dec. 31, 2016 | $ 88,144 | 219,697 | 195,078 | (2,304) | 500,615
Balance (in shares) at Dec. 31, 2016 | 17,628,695 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll forward] |  |  |  |  |
Implementation of ASU | Accounting Standards Update 2018-02 [Member] |  |  | 621 | (621) | 0
Net income |  |  | 51,493 |  | 51,493
Other comprehensive loss, net of tax |  |  |  | (581) | (581)
Cash dividends declared |  |  | (22,924) |  | (22,924)
Issuance of common stock | $ 276 | 1,237 |  |  | 1,513
Issuance of common stock (in shares) | 55,191 |  |  |  |
Repurchase of common stock | $ 0 | 0 |  |  | 0
Repurchase of common stock (in shares) | 0 |  |  |  |
Vesting of restricted stock | $ (60) | 60 |  |  | 0
Vesting of restricted stock (in shares) | (11,965) |  |  |  |
Issuance of restricted stock | $ 118 | (118) |  |  | 0
Issuance of restricted stock (in shares) | 23,668 |  |  |  |
Forfeiture of restricted stock | $ (13) | 13 |  |  | 0
Forfeiture of restricted stock (in shares) | (2,677) |  |  |  |
Stock-based compensation and related excess tax benefits |  | 583 |  |  | 583
Balance at Dec. 31, 2017 | $ 88,465 | 221,472 | 224,268 | (3,506) | $ 530,699
Balance (in shares) at Dec. 31, 2017 | 17,692,912 |  |  |  | 17,692,912
Increase (Decrease) in Stockholders' Equity [Roll forward] |  |  |  |  |
Implementation of ASU | Accounting Standards Update 2014-09 [Member] |  |  | 358 |  | $ 358
Implementation of ASU | Accounting Standards Update 2016-01 [Member] |  |  | (507) | 507 | 0
Net income |  |  | 59,228 |  | 59,228
Other comprehensive loss, net of tax |  |  |  | (3,612) | (3,612)
Cash dividends declared |  |  | (24,412) |  | (24,412)
Issuance of common stock | $ 211 | 1,019 |  |  | 1,230
Issuance of common stock (in shares) | 42,133 |  |  |  |
Vesting of restricted stock | $ (60) | 60 |  |  | 0
Vesting of restricted stock (in shares) | (11,997) |  |  |  |
Issuance of restricted stock | $ 57 | (57) |  |  | 0
Issuance of restricted stock (in shares) | 11,320 |  |  |  |
Forfeiture of restricted stock | $ (8) | 8 |  |  | 0
Forfeiture of restricted stock (in shares) | (1,515) |  |  |  |
Stock-based compensation |  | 659 |  |  | 659
Balance at Dec. 31, 2018 | $ 88,665 | $ 223,161 | $ 258,935 | $ (6,611) | $ 564,150
Balance (in shares) at Dec. 31, 2018 | 17,732,853 |  |  |  | 17,732,853

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