Segment Information - Schedule of Adjusted Loss Before Taxes for the Company's Single Segment (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Segment Reporting Information, Profit (Loss) [Abstract] | ||||
| Revenue | $ 19,145 | $ 2,279 | $ 22,123 | $ 3,680 |
| Interest income | 7,055 | 4,870 | 14,406 | 7,953 |
| Personnel expense | 9,900 | 7,017 | 20,063 | 12,286 |
| External R&D expense | 14,577 | 28,449 | 43,904 | 61,053 |
| Manufacturing expense | 4,289 | 4,277 | 10,130 | 7,938 |
| Regulatory expense | 1,025 | 408 | 2,042 | 900 |
| Commercial programs | 5,396 | 2,750 | 11,303 | 6,239 |
| General and administrative expense | 4,307 | 3,597 | 8,629 | 7,016 |
| Depreciation and amortization | 107 | 66 | 220 | 97 |
| Segment adjusted loss before tax | (13,401) | (39,415) | (59,762) | (83,896) |
| Reconciliation to consolidated net loss | ||||
| Share-based compensation expense | (15,179) | (8,290) | (30,392) | (16,208) |
| Change in fair value - derivatives | 2,590 | 9,692 | 20,344 | (29,258) |
| Foreign exchange gains/(losses) | 8,626 | (994) | 12,919 | (3,412) |
| Loss for the period | $ (17,364) | $ (39,007) | $ (56,891) | $ (132,774) |
| X | ||||||||||
- Definition Change In Fair Value Of Derivatives No definition available.
|
| X | ||||||||||
- Definition Commercial program expense. No definition available.
|
| X | ||||||||||
- Definition External research and development expense. No definition available.
|
| X | ||||||||||
- Definition Income loss from continuing operations segment adjusted loss before tax. No definition available.
|
| X | ||||||||||
- Definition Regulatory expense. No definition available.
|
| X | ||||||||||
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount, before tax, of realized and unrealized gain (loss) from foreign currency transaction. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The aggregate costs incurred in the production of goods for sale. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|