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Share-based Compensation - Schedule of Share-based Compensation Expense (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025
Share-based compensation Expense |  |  |  |
Share-based compensation expense | $ 31,139 | $ 24,966 | $ 67,469 | $ 47,776
Total share-based compensation expense | 31,139 | 24,966 | 85,877 | 47,776
Acceleration of Avadel Shares |  |  |  |
Share-based compensation Expense |  |  |  |
Share-based compensation expense | 0 |  | 18,408 |
Cost of goods manufactured and sold |  |  |  |
Share-based compensation Expense |  |  |  |
Share-based compensation expense | 1,932 | 1,479 | 3,685 | 3,261
Research and development |  |  |  |
Share-based compensation Expense |  |  |  |
Share-based compensation expense | 8,219 | 6,510 | 16,687 | 12,401
Research and development | Acceleration of Avadel Shares |  |  |  |
Share-based compensation Expense |  |  |  |
Share-based compensation expense | 0 |  | 5,940 |
Selling, general and administrative |  |  |  |
Share-based compensation Expense |  |  |  |
Share-based compensation expense | 20,988 | $ 16,977 | 47,097 | $ 32,114
Selling, general and administrative | Acceleration of Avadel Shares |  |  |  |
Share-based compensation Expense |  |  |  |
Share-based compensation expense | $ 0 |  | $ 12,468 |

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