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Equity (Tables) | 9 Months Ended
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Sep. 30, 2025
Equity |
Schedule of Stockholders' Equity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | Accumulated |  | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | Additional | ​ | ​ | ​ | ​ | Other | ​ | ​ | ​
​ | ​ | Common Stock | ​ | Paid-in | ​ | Accumulated | ​ | Comprehensive | ​ | ​ | ​
​ | ​ | Shares | ​ | Amount | ​ | Capital | ​ | Deficit | ​ | Income | ​ | Total
​ | ​ | (in thousands)
Balance at December 31, 2024 |  | 56,828 | ​ | $ | 569 | ​ | $ | 1,227,134 | ​ | $ | (458,455) | ​ | $ | 1,522 | ​ | $ | 770,770
Net income |  | — | ​ |  | — | ​ |  | — | ​ |  | 11,947 | ​ |  | — | ​ |  | 11,947
Other comprehensive income (loss), net of tax |  | — | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | 108 | ​ |  | 108
Share-based compensation expense |  | — | ​ |  | — | ​ |  | 9,208 | ​ |  | — | ​ |  | — | ​ |  | 9,208
Settlement of the 2025 Notes | ​ | 1,104 | ​ | ​ | 11 | ​ | ​ | 26,489 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 26,500
Net issuance under employee stock plans | ​ | 360 | ​ | ​ | 3 | ​ | ​ | (6,678) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (6,675)
Balance at March 31, 2025 |  | 58,292 | ​ | $ | 583 | ​ | $ | 1,256,153 | ​ | $ | (446,508) | ​ | $ | 1,630 | ​ | $ | 811,858
Net income |  | — | ​ |  | — | ​ |  | — | ​ |  | 11,733 | ​ |  | — | ​ |  | 11,733
Other comprehensive income (loss), net of tax |  | — | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | 30 | ​ |  | 30
Share-based compensation expense |  | — | ​ |  | — | ​ |  | 9,651 | ​ |  | — | ​ |  | — | ​ |  | 9,651
Settlement of the 2027 Notes | ​ | 1,643 | ​ | ​ | 16 | ​ | ​ | 20,215 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 20,231
Net issuance under employee stock plans |  | 226 | ​ | ​ | 3 | ​ | ​ | 2,690 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 2,693
Balance at June 30, 2025 |  | 60,161 | ​ | $ | 602 | ​ | $ | 1,288,709 | ​ | $ | (434,775) | ​ | $ | 1,660 | ​ | $ | 856,196
Net income |  | — | ​ |  | — | ​ |  | — | ​ |  | 10,596 | ​ |  | — | ​ |  | 10,596
Other comprehensive income (loss), net of tax |  | — | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | 144 | ​ |  | 144
Share-based compensation expense |  | — | ​ |  | — | ​ |  | 9,145 | ​ |  | — | ​ |  | — | ​ |  | 9,145
Net issuance under employee stock plans |  | (2) | ​ | ​ | — | ​ | ​ | (111) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (111)
Balance at September 30, 2025 |  | 60,159 | ​ | $ | 602 | ​ | $ | 1,297,743 | ​ | $ | (424,179) | ​ | $ | 1,804 | ​ | $ | 875,970
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | Accumulated |  | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | Additional | ​ | ​ | ​ | ​ | Other | ​ | ​ | ​
​ | ​ | Common Stock | ​ | Paid-in | ​ | Accumulated | ​ | Comprehensive | ​ | ​ | ​
​ | ​ | Shares | ​ | Amount | ​ | Capital | ​ | Deficit | ​ | Income | ​ | Total
​ | ​ | (in thousands)
Balance at December 31, 2023 |  | 56,364 | ​ | $ | 564 | ​ | $ | 1,202,440 | ​ | $ | (532,169) | ​ | $ | 1,607 | ​ | $ | 672,442
Net income |  | — | ​ |  | — | ​ |  | — | ​ |  | 21,854 | ​ |  | — | ​ |  | 21,854
Other comprehensive income (loss), net of tax |  | — | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | (128) | ​ |  | (128)
Share-based compensation expense |  | — | ​ |  | — | ​ |  | 8,082 | ​ |  | — | ​ |  | — | ​ |  | 8,082
Net issuance under employee stock plans | ​ | 273 | ​ | ​ | 2 | ​ | ​ | (14,342) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (14,340)
Balance at March 31, 2024 |  | 56,637 | ​ | $ | 566 | ​ | $ | 1,196,180 | ​ | $ | (510,315) | ​ | $ | 1,479 | ​ | $ | 687,910
Net income (loss) |  | — | ​ |  | — | ​ |  | — | ​ |  | 14,944 | ​ |  | — | ​ |  | 14,944
Other comprehensive income (loss), net of tax |  | — | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | (12) | ​ |  | (12)
Share-based compensation expense |  | — | ​ |  | — | ​ |  | 9,233 | ​ |  | — | ​ |  | — | ​ |  | 9,233
Net issuance under employee stock plans | ​ | 136 | ​ | ​ | 3 | ​ | ​ | 2,935 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 2,938
Balance at June 30, 2024 |  | 56,773 | ​ | $ | 569 | ​ | $ | 1,208,348 | ​ | $ | (495,371) | ​ | $ | 1,467 | ​ | $ | 715,013
Net income |  | — | ​ |  | — | ​ |  | — | ​ |  | 21,951 | ​ |  | — | ​ |  | 21,951
Other comprehensive income (loss), net of tax |  | — | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | 382 | ​ |  | 382
Share-based compensation expense |  | — | ​ |  | — | ​ |  | 9,459 | ​ |  | — | ​ |  | — | ​ |  | 9,459
Net issuance under employee stock plans | ​ | 5 | ​ | ​ | 1 | ​ | ​ | (287) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (286)
Balance at September 30, 2024 |  | 56,778 | ​ | $ | 570 | ​ | $ | 1,217,520 | ​ | $ | (473,420) | ​ | $ | 1,849 | ​ | $ | 746,519
Schedule of the changes in the balances of each component of AOCI, net of tax | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Unrealized | ​ | ​ | ​
​ | ​ | ​ | ​ | Gains (Losses) | ​ | ​ | ​
​ | ​ | Foreign | ​ | on Available- | ​ | ​ | ​
​ | ​ | Currency | ​ | for-Sale | ​ | ​ | ​
​ |  | Translation |  | Securities |  | Total
​ | ​ | (in thousands)
Balance - December 31, 2024 | ​ | $ | 1,777 | ​ | $ | (255) | ​ | $ | 1,522
Other comprehensive income (loss) | ​ |  | 51 | ​ |  | 231 | ​ |  | 282
Balance - September 30, 2025 | ​ | $ | 1,828 | ​ | $ | (24) | ​ | $ | 1,804

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