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v3.19.3.a.u2

Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock [Member] | CAPITAL SURPLUS [Member] | RETAINED EARNINGS [Member] | ACCUMULATED OTHER COMPREHENSIVE INCOME [Member]
--- | --- | --- | --- | --- | ---
Balance at beginning of period, Shares at Dec. 31, 2016 |  | 31,621,870 |  |  |
Balance at beginning of period at Dec. 31, 2016 |  | $ 31,622 | $ 101,730 | $ 577,648 | $ 94
Shares issued for stock options, Shares |  | 272,693 |  |  |
Shares issued for stock options, Value |  | $ 273 | 4,571 |  |
Net income | $ 86,439 |  |  | 86,439 |
Net change | $ (2,421) |  |  |  | (2,421)
Dividends on common stock |  |  |  | (25,507) |
Stock-based compensation arrangements |  |  | 1,180 |  |
Balance at end of period, Shares at Dec. 31, 2017 | 31,894,563 | 31,894,563 |  |  |
Balance at end of period at Dec. 31, 2017 | $ 775,629 | $ 31,895 | 107,481 | 638,580 | (2,327)
Shares issued for stock options, Shares |  | 127,816 |  |  |
Shares issued for stock options, Value |  | $ 127 | 2,111 |  |
Shares issued for acquisitions, Shares |  | 732,811 |  |  |
Shares issued for acquisitions, Value |  | $ 733 | 38,765 |  |
Net income | 125,814 |  |  | 125,814 |
Net change | $ (430) |  |  |  | (430)
Dividends on common stock |  |  |  | (33,398) |
Stock-based compensation arrangements |  |  | 1,352 |  |
Shares acquired and canceled, Shares |  | (151,264) |  |  |
Shares acquired and canceled, Value |  | $ (151) |  | (7,763) |
Cumulative effect of change in accounting principle |  |  |  | (618) | 618
Balance at end of period, Shares at Dec. 31, 2018 | 32,603,926 | 32,603,926 |  |  |
Balance at end of period at Dec. 31, 2018 | $ 902,789 | $ 32,604 | 149,709 | 722,615 | (2,139)
Shares issued for stock options, Shares |  | 117,012 |  |  |
Shares issued for stock options, Value |  | $ 117 | 2,367 |  |
Net income | 134,879 |  |  | 134,879 |
Net change | $ 5,593 |  |  |  | 5,593
Dividends on common stock |  |  |  | (40,432) |
Stock-based compensation arrangements |  |  | 1,277 |  |
Shares acquired and canceled, Shares |  | (26,670) |  |  |
Shares acquired and canceled, Value |  | $ (27) |  | (1,574) |
Balance at end of period, Shares at Dec. 31, 2019 | 32,694,268 | 32,694,268 |  |  |
Balance at end of period at Dec. 31, 2019 | $ 1,004,989 | $ 32,694 | $ 153,353 | $ 815,488 | $ 3,454

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