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Share-based Compensation - Additional Information (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025 | Dec. 31, 2025
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |
Share-based compensation expense | $ 31,139,000 | $ 24,966,000 | $ 67,469,000 | $ 47,776,000 |
Selling, General and Administrative Expense |  |  |  |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |
Share-based compensation expense | 20,988,000 | 16,977,000 | 47,097,000 | 32,114,000 |
R&D Expense |  |  |  |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |
Share-based compensation expense | 8,219,000 | $ 6,510,000 | 16,687,000 | $ 12,401,000 |
Letter Agreement | Selling, General and Administrative Expense |  |  |  |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |
Share-based compensation expense | 600,000 |  | 19,000,000 |  |
Letter Agreement | R&D Expense |  |  |  |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |
Share-based compensation expense | 100,000 |  | 6,700,000 |  |
Avadel Pharmaceuticals Plc |  |  |  |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |
Share-based compensation expense | 0 |  | 18,400,000 |  |
Contingent CVR payment to former employees | 400,000 |  | 2,200,000 |  |
Avadel Pharmaceuticals Plc | Letter Agreement |  |  |  |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |
Incremental share-based compensation expense related to certain equity awards | 300,000 |  | 5,200,000 |  |
Inventory |  |  |  |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |
Share based compensation cost capitalized | 3,300,000 |  | 3,300,000 |  | $ 3,200,000
Property, Plant and Equipment, Net |  |  |  |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |
Share based compensation cost capitalized | $ 2,500,000 |  | $ 2,500,000 |  | $ 1,600,000

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