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v3.6.0.2

Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | AOCI Attributable to Parent [Member] | Retained Earnings [Member] | Treasury Stock [Member] | Total
--- | --- | --- | --- | --- | --- | ---
Balance (in shares) at Dec. 31, 2013 | 79,589,869 |  |  |  |  |
Beginning balance, loss, net of tax at Dec. 31, 2013 | $ 838 | $ 784,489 | $ (29,729) | $ 829,109 | $ (125,736) | $ 1,458,971
Dividend Reinvestment Plan (in shares) | 116,957 |  |  |  |  | 116,957
Dividend Reinvestment Plan | $ 1 | 2,847 |  |  |  | $ 2,848
Restricted stock units vested (in shares) | 88,537 |  |  |  |  |
Restricted stock units vested | $ 1 |  |  |  |  | 1
Shares withheld related to net share settlement of RSUs |  | (850) |  |  |  | (850)
Stock issued to directors (in shares) | 13,690 |  |  |  |  |
Stock issued to directors |  | 350 |  |  |  | $ 350
Stock options exercised (in shares) | 5,500 |  |  |  |  | 5,500
Stock options exercised |  | 128 |  |  |  | $ 128
Tax short-fall from stock options |  | (1,285) |  |  |  | (1,285)
Stock -based compensation |  | 3,840 |  |  |  | 3,840
Cash dividends |  |  |  | (23,105) |  | (23,105)
Change in other comprehensive loss |  |  | 24,160 |  |  | 24,160
Net income |  |  |  | 137,830 |  | 137,830
Balance (in shares) at Dec. 31, 2014 | 79,814,553 |  |  |  |  |
Ending balance, loss, net of tax at Dec. 31, 2014 | $ 840 | 789,519 | (5,569) | 943,834 | (125,736) | $ 1,602,888
Dividend Reinvestment Plan (in shares) | 148,582 |  |  |  |  | 148,582
Dividend Reinvestment Plan | $ 2 | 4,173 |  |  |  | $ 4,175
Restricted stock units vested (in shares) | 18,955 |  |  |  |  |
Restricted stock units vested |  |  |  |  |  |
Shares withheld related to net share settlement of RSUs |  | (227) |  |  |  | (227)
Stock issued to directors (in shares) | 17,974 |  |  |  |  |
Stock issued to directors |  | 495 |  |  |  | $ 495
Stock options exercised (in shares) | 214,580 |  |  |  |  | 214,580
Stock options exercised | $ 2 | 5,012 |  |  |  | $ 5,014
Tax short-fall from stock options |  | (5,348) |  |  |  | (5,348)
Stock -based compensation |  | 4,455 |  |  |  | 4,455
Cash dividends |  |  |  | (45,283) |  | (45,283)
Change in other comprehensive loss |  |  | (2,857) |  |  | (2,857)
Net income |  |  |  | 161,109 |  | 161,109
Balance (in shares) at Dec. 31, 2015 | 80,806,116 |  |  |  |  |
Ending balance, loss, net of tax at Dec. 31, 2015 | $ 870 | 880,822 | (8,426) | 1,059,660 | (185,148) | 1,747,778
Warrant exercised (in shares) | 369 |  |  |  |  |
Equity consideration for acquisition (in shares) | 2,580,353 |  |  |  |  |
Equity consideration for acquisition | $ 26 | 82,743 |  |  |  | 82,769
Purchases of treasury stock (in shares) | (1,989,250) |  |  |  |  |
Purchases of treasury stock |  |  |  |  | (59,412) | $ (59,412)
Dividend Reinvestment Plan (in shares) | 72,231 |  |  |  |  | 72,231
Dividend Reinvestment Plan | $ 1 | 2,276 |  |  |  | $ 2,277
Restricted stock units vested (in shares) | 10,325 |  |  |  |  |
Restricted stock units vested |  |  |  |  |  |
Shares withheld related to net share settlement of RSUs |  | (103) |  |  |  | (103)
Stock issued to directors (in shares) | 19,602 |  |  |  |  |
Stock issued to directors |  | 550 |  |  |  | $ 550
Stock options exercised (in shares) | 327,830 |  |  |  |  | 327,830
Stock options exercised | $ 3 | 7,658 |  |  |  | $ 7,661
Tax short-fall from stock options |  | (132) |  |  |  | (132)
Stock -based compensation |  | 4,413 |  |  |  | 4,413
Cash dividends |  |  |  | (59,274) |  | (59,274)
Change in other comprehensive loss |  |  | 4,711 |  |  | 4,711
Net income |  |  |  | 175,099 |  | 175,099
Balance (in shares) at Dec. 31, 2016 | 79,610,277 |  |  |  |  |
Ending balance, loss, net of tax at Dec. 31, 2016 | $ 878 | 895,480 | (3,715) | 1,175,485 | (239,589) | 1,828,539
Warrant exercised (in shares) | 388,001 |  |  |  |  |
Purchases of treasury stock (in shares) | (2,013,828) |  |  |  |  |
Purchases of treasury stock |  |  |  |  | $ (54,441) | $ (54,441)

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