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CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY (unaudited) - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Additional paid-in capital | Accumulated other comprehensive income | Retained earnings | Treasury shares
--- | --- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Dec. 31, 2023 |  | 18,269 |  |  |  |
Beginning balance at Dec. 31, 2023 | $ 1,328,560 | $ 26 | $ 741,055 | $ 3,991 | $ 1,265,420 | $ (681,932)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Share-based compensation (in shares) |  | 5 |  |  |  |
Share-based compensation | 13,200 |  | 13,200 |  |  |
Shares repurchased by the Company and held as treasury shares (in shares) |  | (46) |  |  |  |
Shares repurchased by the Company and held as treasury shares | (3,023) |  |  |  |  | (3,023)
Stock issued under employee stock purchase plan (in shares) |  | 90 |  |  |  |
Stock issued under employee stock purchase plan | 4,914 |  |  |  |  | 4,914
Cash dividends | (21,934) |  |  |  | (21,934) |
Other comprehensive income | (1,462) |  |  | (1,462) |  |
Net income (loss) | 12,780 |  |  |  | 12,780 |
Ending balance (in shares) at Jun. 30, 2024 |  | 18,318 |  |  |  |
Ending balance at Jun. 30, 2024 | 1,333,035 | $ 26 | 754,255 | 2,529 | 1,256,266 | (680,041)
Beginning balance (in shares) at Mar. 31, 2024 |  | 18,282 |  |  |  |
Beginning balance at Mar. 31, 2024 | 1,322,156 | $ 26 | 747,873 | 2,783 | 1,253,549 | (682,075)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Share-based compensation (in shares) |  | (10) |  |  |  |
Share-based compensation | 6,382 |  | 6,382 |  |  |
Shares repurchased by the Company and held as treasury shares (in shares) |  | (44) |  |  |  |
Shares repurchased by the Company and held as treasury shares | (2,880) |  |  |  |  | (2,880)
Stock issued under employee stock purchase plan (in shares) |  | 90 |  |  |  |
Stock issued under employee stock purchase plan | 4,914 |  |  |  |  | 4,914
Cash dividends | (10,982) |  |  |  | (10,982) |
Other comprehensive income | (254) |  |  | (254) |  |
Net income (loss) | 13,699 |  |  |  | 13,699 |
Ending balance (in shares) at Jun. 30, 2024 |  | 18,318 |  |  |  |
Ending balance at Jun. 30, 2024 | 1,333,035 | $ 26 | 754,255 | 2,529 | 1,256,266 | (680,041)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Common stock, par value $0.001 | 26 |  |  |  |  |
Beginning balance (in shares) at Dec. 31, 2024 |  | 18,408 |  |  |  |
Beginning balance at Dec. 31, 2024 | 1,089,392 | $ 26 | 760,600 | 3,949 | 1,003,248 | (678,431)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Share-based compensation (in shares) |  | (15) |  |  |  |
Share-based compensation | 6,302 |  | 6,302 |  |  |
Shares repurchased by the Company and held as treasury shares (in shares) |  | (154) |  |  |  |
Shares repurchased by the Company and held as treasury shares | (11,470) |  |  |  |  | (11,470)
Stock issued under employee stock purchase plan (in shares) |  | 112 |  |  |  |
Stock issued under employee stock purchase plan | 5,266 |  |  |  |  | 5,266
Other comprehensive income | (505) |  |  | (505) |  |
Net income (loss) | (33,064) |  |  |  | (33,064) |
Ending balance (in shares) at Jun. 30, 2025 |  | 18,351 |  |  |  |
Ending balance at Jun. 30, 2025 | 1,055,921 | $ 26 | 766,902 | 3,444 | 970,184 | (684,635)
Beginning balance (in shares) at Mar. 31, 2025 |  | 18,261 |  |  |  |
Beginning balance at Mar. 31, 2025 | 1,112,731 | $ 26 | 763,767 | 3,139 | 1,035,350 | (689,551)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Share-based compensation (in shares) |  | (15) |  |  |  |
Share-based compensation | 3,135 |  | 3,135 |  |  |
Shares repurchased by the Company and held as treasury shares (in shares) |  | (7) |  |  |  |
Shares repurchased by the Company and held as treasury shares | (350) |  |  |  |  | (350)
Stock issued under employee stock purchase plan (in shares) |  | 112 |  |  |  |
Stock issued under employee stock purchase plan | 5,266 |  |  |  |  | 5,266
Other comprehensive income | 305 |  |  | 305 |  |
Net income (loss) | (65,166) |  |  |  | (65,166) |
Ending balance (in shares) at Jun. 30, 2025 |  | 18,351 |  |  |  |
Ending balance at Jun. 30, 2025 | 1,055,921 | $ 26 | $ 766,902 | $ 3,444 | $ 970,184 | $ (684,635)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Common stock, par value $0.001 | $ 26 |  |  |  |  |

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