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Note 17. Share-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2024
Share-Based Payment Arrangement [Abstract] |
Schedule of Share-Based Compensation Expense Recognized in the Consolidated Statements of Operations | The following table presents share-based compensation expense recognized in our consolidated statements of operations for the years ended December 31, 2024, 2023, and 2022 (in thousands):
|  | 2024 |  | 2023 |  | 2022
Cost of sales |  | $ | 3,923 |  |  | $ | 4,798 |  |  | $ | 3,174 |
Selling, general and administrative |  | 20,696 |  |  | 25,217 |  |  | 22,367 |
Research and development |  | 3,502 |  |  | 4,133 |  |  | 3,080 |
Production start-up |  | (17) |  |  | 71 |  |  | 35 |
Total share-based compensation expense |  | $ | 28,104 |  |  | $ | 34,219 |  |  | $ | 28,656 |
Schedule of Restricted Stock and Performance Unit Activity | The following is a summary of our restricted stock unit activity, including performance unit activity, for the year ended December 31, 2024:
|  | Number of Shares |  | Weighted-Average Grant-Date Fair Value
Unvested restricted stock units at December 31, 2023 |  | 960,448 |  | $ | 106.25 |
Restricted stock units granted (1) |  | 215,849 |  | 158.63 |
Restricted stock units vested |  | (331,153) |  | 75.44 |
Restricted stock units forfeited |  | (30,806) |  | 123.81 |
Unvested restricted stock units at December 31, 2024 |  | 814,338 |  | $ | 132.00 |
—————————— (1)Restricted stock units granted include the maximum amount of performance units available for issuance under our long-term incentive program for key executive officers and associates. The actual number of shares to be issued will depend on the relative attainment of the performance metrics described above.

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