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Consolidated Statements of Changes in Stockholders' Equity - 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, 2022 | 102,816,110 |  |  |  |  |
Balances at Dec. 31, 2022 | $ 1,028 | $ 305,152 | $ 1,285,827 | $ (1,382) | $ 1,590,625 |
Net income | 0 | 0 | 199,731 | 0 | 199,731 |
Comprehensive income (loss), net of tax | 0 | 0 | 0 | 474 | 474 |
Foreign currency translation adjustments | $ 0 | 0 | 0 | 4 | 4 |
Release of restricted stock units, net of tax (in shares) | 45,942 |  |  |  |  |
Release of restricted stock units, net of tax | $ 1 | (1,926) | 0 | 0 | (1,925) |
Release of performance stock units, net of tax (in shares) | 318,878 |  |  |  |  |
Release of performance stock units, net of tax | $ 3 | (12,777) | 0 | 0 | $ (12,774) |
Shares repurchased and retired (in shares) | (1,726,308) |  |  |  | (1,726,000) | [1],[2]
Shares repurchased and retired | $ (17) | (106,994) | 0 | 0 | $ (107,011) |
Dividends declared | 0 | 0 | (16,289) | 0 | (16,289) |
Share-based compensation costs | $ 0 | 7,819 | 0 | 0 | 7,819 |
Stock options exercised (in shares) | 32,000 |  |  |  |  |
Stock options exercised | $ 0 | 315 | 0 | 0 | 315 |
Balances (in shares) at Mar. 31, 2023 | 101,486,622 |  |  |  |  |
Balances at Mar. 31, 2023 | $ 1,015 | 191,589 | 1,469,269 | (904) | $ 1,660,969 |
Balances (in shares) at Dec. 31, 2023 | 96,832,453 |  |  |  | 96,832,453 |
Balances at Dec. 31, 2023 | $ 968 | 0 | 1,744,232 | (1,098) | $ 1,744,102 |
Net income | 0 | 0 | 136,473 | 0 | 136,473 |
Comprehensive income (loss), net of tax | 0 | 0 | 0 | 250 | 250 |
Foreign currency translation adjustments | $ 0 | 0 | 0 | (318) | (318) |
Release of restricted stock units, net of tax (in shares) | 85,597 |  |  |  |  |
Release of restricted stock units, net of tax | $ 1 | (1,586) | (2,049) | 0 | (3,634) |
Release of performance stock units, net of tax (in shares) | 150,063 |  |  |  |  |
Release of performance stock units, net of tax | $ 2 | (119) | (6,091) | 0 | $ (6,208) |
Shares repurchased and retired (in shares) | (1,658,377) |  |  |  | (1,658,000) | [1],[2]
Shares repurchased and retired | $ (17) | (5,155) | (101,133) | 0 | $ (106,305) |
Dividends declared | 0 | 0 | (16,264) | 0 | (16,264) |
Share-based compensation costs | $ 0 | 6,860 | 0 | 0 | $ 6,860 |
Balances (in shares) at Mar. 31, 2024 | 95,409,736 |  |  |  | 95,409,736 |
Balances at Mar. 31, 2024 | $ 954 | $ 0 | $ 1,755,168 | $ (1,166) | $ 1,754,956 |
[1] | All shares repurchased have been retired and constitute authorized but unissued shares.
[2] | Shares repurchased reflect repurchases settled during the twelve months ended December 31, 2023, 2022 and 2021. These amounts exclude repurchases, if any, traded but not yet settled on or before December 31 of each year.

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