Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) shares in Thousands, $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Income Statement [Abstract] | ||||
| Collaboration revenue | $ 7,659 | $ 14,245 | $ 22,707 | $ 30,872 |
| Type of Revenue [Extensible List] | us-gaap:LicenseAndServiceMember | us-gaap:LicenseAndServiceMember | ||
| Operating expenses: | ||||
| Research and development | 82,595 | 97,035 | $ 163,332 | $ 205,462 |
| General and administrative | 37,824 | 27,206 | 72,667 | 56,213 |
| Total operating expenses | 120,419 | 124,241 | 235,999 | 261,675 |
| Operating loss | (112,760) | (109,996) | (213,292) | (230,803) |
| Other income, net: | ||||
| Interest income | 5,797 | 7,402 | 11,002 | 16,005 |
| Change in fair value of investments, net | 329 | 1,339 | (575) | (786) |
| Total other income, net | 6,126 | 8,741 | 10,427 | 15,219 |
| Net loss | $ (106,634) | $ (101,255) | $ (202,865) | $ (215,584) |
| Net loss per share, basic | $ (0.8) | $ (0.98) | $ (1.61) | $ (2.08) |
| Net loss per share, diluted | $ (0.8) | $ (0.98) | $ (1.61) | $ (2.08) |
| Weighted average shares outstanding, basic | 133,480 | 103,732 | 126,057 | 103,617 |
| Weighted average shares outstanding, diluted | 133,480 | 103,732 | 126,057 | 103,617 |
| Other comprehensive loss: | ||||
| Unrealized (loss) gain on marketable securities | $ (790) | $ (404) | $ (2,062) | $ 48 |
| Comprehensive loss | $ (107,424) | $ (101,659) | $ (204,927) | $ (215,536) |
| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Total costs of sales and operating expenses for the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of realized and unrealized gain (loss) on investment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- 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
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- References No definition available.
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| 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
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- Definition Amount of unrealized gain (loss) on investment in marketable security. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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/disclosureRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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| X | ||||||||||
- 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/disclosureRef
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| 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
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- Definition Indicates type of revenue from product and service. Includes, but is not limited to, revenue from contract with customer and other sources. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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