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v3.19.2

Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | AOCI Attributable to Parent [Member] | Total
--- | --- | --- | --- | --- | ---
Balances (in shares) at Dec. 31, 2017 |  | 112,634,418 |  |  |  |  |
Balances at Dec. 31, 2017 |  | $ 1,126 | $ 931,858 | $ 164,425 | $ (182) | $ 1,097,227 |
Net income |  | 0 | 0 | 41,399 | 0 | 41,399 |
Comprehensive income (loss), net of tax |  | $ 0 | 0 | 0 | (964) | (964) |
Stock options exercised (in shares) |  | 221,400 |  |  |  |  |
Stock options exercised |  | $ 2 | 2,043 | 0 | 0 | 2,045 |
Release of restricted stock units, net of tax (in shares) |  | 16,957 |  |  |  |  |
Release of restricted stock units, net of tax |  | $ 0 | (364) | 0 | 0 | (364) |
Release of performance stock units, net of tax (in shares) |  | 337,537 |  |  |  |  |
Release of performance stock units, net of tax |  | $ 4 | (5,274) | 0 | 0 | (5,270) |
Shares repurchased and retired (in shares) |  | (559,089) |  |  |  |  |
Shares repurchased and retired |  | $ (6) | (19,797) | 0 | 0 | (19,803) |
Dividends declared |  | 0 | 0 | (5,635) | 0 | (5,635) |
Share-based compensation costs |  | 0 | 8,927 | 0 | 0 | 8,927 |
Cumulative effect of change in accounting principle, adoption of Update 2018-02 |  | $ 0 | 0 | (312) | 312 | 0 |
Release of performance stock units, net of tax (in shares) |  | 337,537 |  |  |  |  |
Balances (in shares) at Mar. 31, 2018 |  | 112,651,223 |  |  |  |  |
Balances at Mar. 31, 2018 |  | $ 1,126 | 917,393 | 199,877 | (834) | 1,117,562 |
Balances (in shares) at Dec. 31, 2017 |  | 112,634,418 |  |  |  |  |
Balances at Dec. 31, 2017 |  | $ 1,126 | 931,858 | 164,425 | (182) | 1,097,227 |
Net income |  |  |  |  |  | $ 80,344 |
Shares repurchased and retired (in shares) | [1],[2] |  |  |  |  | 860,000 |
Shares repurchased and retired | [2] |  |  |  |  | $ (30,332) |
Balances (in shares) at Jun. 30, 2018 |  | 112,370,340 |  |  |  |  |
Balances at Jun. 30, 2018 |  | $ 1,124 | 913,096 | 232,080 | (1,140) | 1,145,160 |
Balances (in shares) at Mar. 31, 2018 |  | 112,651,223 |  |  |  |  |
Balances at Mar. 31, 2018 |  | $ 1,126 | 917,393 | 199,877 | (834) | 1,117,562 |
Net income |  | 0 | 0 | 38,945 | 0 | 38,945 |
Comprehensive income (loss), net of tax |  | $ 0 | 0 | 0 | (306) | (306) |
Stock options exercised (in shares) |  | 19,836 |  |  |  |  |
Stock options exercised |  | $ 0 | 208 | 0 | 0 | 208 |
Release of restricted stock units, net of tax (in shares) |  | 0 |  |  |  |  |
Release of restricted stock units, net of tax |  | $ 0 | 0 | 0 | 0 | 0 |
Release of performance stock units, net of tax (in shares) |  | 0 |  |  |  |  |
Release of performance stock units, net of tax |  | $ 0 | 0 | 0 | 0 | $ 0 |
Shares repurchased and retired (in shares) |  | (300,719) |  |  |  | 301,000 | [1],[2]
Shares repurchased and retired |  | $ (2) | (10,527) | 0 | 0 | $ (10,529) | [2]
Dividends declared |  | 0 | 0 | (6,742) | 0 | (6,742) |
Share-based compensation costs |  | $ 0 | 6,022 | 0 | 0 | 6,022 |
Release of performance stock units, net of tax (in shares) |  | 0 |  |  |  |  |
Balances (in shares) at Jun. 30, 2018 |  | 112,370,340 |  |  |  |  |
Balances at Jun. 30, 2018 |  | $ 1,124 | 913,096 | 232,080 | (1,140) | $ 1,145,160 |
Balances (in shares) at Dec. 31, 2018 |  | 111,757,105 |  |  |  | 111,757,105 |
Balances at Dec. 31, 2018 |  | $ 1,118 | 892,331 | 253,357 | (1,065) | $ 1,145,741 |
Net income |  | 0 | 0 | 45,451 | 0 | 45,451 |
Comprehensive income (loss), net of tax |  | $ 0 | 0 | 0 | 465 | 465 |
Stock options exercised (in shares) |  | 137,063 |  |  |  |  |
Stock options exercised |  | $ 1 | 1,261 | 0 | 0 | 1,262 |
Release of restricted stock units, net of tax (in shares) |  | 46,958 |  |  |  |  |
Release of restricted stock units, net of tax |  | $ 0 | (418) | 0 | 0 | (418) |
Release of performance stock units, net of tax (in shares) |  | 270,960 |  |  |  |  |
Release of performance stock units, net of tax |  | $ 3 | (3,768) | 0 | 0 | (3,765) |
Shares repurchased and retired (in shares) |  | (830,100) |  |  |  |  |
Shares repurchased and retired |  | $ (8) | (21,645) | 0 | 0 | (21,653) |
Dividends declared |  | 0 | 0 | (6,683) | 0 | (6,683) |
Share-based compensation costs |  | $ 0 | 9,709 | 0 | 0 | 9,709 |
Release of performance stock units, net of tax (in shares) |  | 270,960 |  |  |  |  |
Balances (in shares) at Mar. 31, 2019 |  | 111,381,986 |  |  |  |  |
Balances at Mar. 31, 2019 |  | $ 1,114 | 877,470 | 292,125 | (600) | $ 1,170,109 |
Balances (in shares) at Dec. 31, 2018 |  | 111,757,105 |  |  |  | 111,757,105 |
Balances at Dec. 31, 2018 |  | $ 1,118 | 892,331 | 253,357 | (1,065) | $ 1,145,741 |
Net income |  |  |  |  |  | $ 93,935 |
Shares repurchased and retired (in shares) | [1],[2] |  |  |  |  | 1,075,000 |
Shares repurchased and retired | [2] |  |  |  |  | $ (27,760) |
Balances (in shares) at Jun. 30, 2019 |  | 111,149,840 |  |  |  | 111,149,840 |
Balances at Jun. 30, 2019 |  | $ 1,111 | 879,388 | 332,828 | (612) | $ 1,212,715 |
Balances (in shares) at Mar. 31, 2019 |  | 111,381,986 |  |  |  |  |
Balances at Mar. 31, 2019 |  | $ 1,114 | 877,470 | 292,125 | (600) | 1,170,109 |
Net income |  | 0 | 0 | 48,484 | 0 | 48,484 |
Comprehensive income (loss), net of tax |  | $ 0 | 0 | 0 | (12) | (12) |
Stock options exercised (in shares) |  | 0 |  |  |  |  |
Stock options exercised |  | $ 0 | 0 | 0 | 0 | 0 |
Release of restricted stock units, net of tax (in shares) |  | 13,075 |  |  |  |  |
Release of restricted stock units, net of tax |  | $ 1 | (136) | 0 | 0 | (135) |
Release of performance stock units, net of tax (in shares) |  | 0 |  |  |  |  |
Release of performance stock units, net of tax |  | $ 0 | 0 | 0 | 0 | $ 0 |
Shares repurchased and retired (in shares) |  | (245,221) |  |  |  | 245,000 | [1],[2]
Shares repurchased and retired |  | $ (4) | (6,104) | 0 | 0 | $ (6,108) | [2]
Dividends declared |  | 0 | 0 | (7,781) | 0 | (7,781) |
Share-based compensation costs |  | $ 0 | 8,158 | 0 | 0 | $ 8,158 |
Release of performance stock units, net of tax (in shares) |  | 0 |  |  |  |  |
Balances (in shares) at Jun. 30, 2019 |  | 111,149,840 |  |  |  | 111,149,840 |
Balances at Jun. 30, 2019 |  | $ 1,111 | $ 879,388 | $ 332,828 | $ (612) | $ 1,212,715 |
[1] | All shares repurchased have been retired and constitute authorized but unissued shares.
[2] | Shares repurchased reflect repurchases settled during the three and six months ended June 30, 2019 and 2018. These amounts exclude repurchases traded but not yet settled on or before June 30, 2019 and 2018.

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