Segment Reporting - Schedule of Segment Income (Loss) Including Significant Segment Expenses (Details) - USD ($) $ in Thousands |
1 Months Ended | 3 Months Ended | 6 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2026 |
Mar. 31, 2026 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Jun. 30, 2026 |
Dec. 31, 2025 |
Jun. 30, 2025 |
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| Segment Reporting Information [Line Items] | ||||||||
| Revenue | $ 0 | $ 0 | $ 0 | $ 0 | ||||
| Operating expenses: | ||||||||
| Research and development | 29,497 | 42,658 | 60,951 | 78,600 | ||||
| Non-commercial general and administrative | 13,665 | 17,042 | 27,766 | 37,657 | ||||
| Commercial general and administrative | 3,760 | 7,978 | 6,716 | 15,809 | ||||
| Restructuring | $ 3,500 | 0 | 3,471 | 0 | $ 3,200 | 3,471 | ||
| Total operating expenses | 46,922 | 71,149 | 95,433 | 135,537 | ||||
| Loss from operations | (46,922) | (71,149) | (95,433) | (135,537) | ||||
| Gain from sale of PRV | 178,190 | 0 | 178,190 | 0 | ||||
| Interest expense | (473) | (473) | (946) | (945) | ||||
| Interest and other income, net | 347 | 483 | 508 | 1,819 | ||||
| Accretion of discount on investments, net | 693 | 2,220 | 1,922 | 4,410 | ||||
| Earnings (losses) before Income Taxes | 131,835 | (68,919) | 84,241 | (130,253) | ||||
| Provision for Income Taxes | (8,621) | 0 | (8,621) | 0 | ||||
| Net income (loss) | $ 123,214 | $ (47,594) | $ (68,919) | $ (61,334) | $ 75,620 | $ (130,253) | ||
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- Definition Commercial general and administrative expense. No definition available.
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- Definition Gain from sale of PRV. No definition available.
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- Definition Non commercial general and administrative expense. No definition available.
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- Definition The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The amount of interest income and other income recognized during the period. Included in this element is interest derived from investments in debt securities, cash and cash equivalents, and other investments which reflect the time value of money or transactions in which the payments are for the use or forbearance of money and other income from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business). No definition available.
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- Definition Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- 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/exampleRef
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- Definition Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- 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/exampleRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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