Summary of Significant Accounting Policies - Segment Information (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
Jun. 30, 2025 |
Mar. 31, 2025 |
Jun. 30, 2024 |
Mar. 31, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
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| Segment Reporting Information [Line Items] | ||||||
| Total revenue | $ 1,115 | $ 0 | $ 2,569 | $ 591 | ||
| General and administrative expenses: | ||||||
| Total operating expenses | 54,492 | 55,672 | 108,338 | 104,604 | ||
| Total other income, net | 786 | 211 | 1,288 | 2,925 | ||
| Provision for income taxes | 0 | 134 | 0 | 0 | ||
| Net loss | (52,591) | $ (51,890) | (55,327) | $ (45,761) | (104,481) | (101,088) |
| Reportable Segment | ||||||
| Segment Reporting Information [Line Items] | ||||||
| Total revenue | 1,115 | 0 | 2,569 | 591 | ||
| Research and development expenses | ||||||
| Personnel expenses | 14,448 | 16,198 | 29,248 | 31,205 | ||
| Facility related | 13,765 | 11,302 | 24,734 | 18,636 | ||
| Research costs | 8,116 | 11,390 | 19,152 | 23,009 | ||
| General and administrative expenses: | ||||||
| Personnel expenses | 7,082 | 6,956 | 14,238 | 12,840 | ||
| Other segment items | 11,081 | 9,826 | 20,966 | 18,914 | ||
| Total operating expenses | 54,492 | 55,672 | 108,338 | 104,604 | ||
| Total other income, net | 786 | 211 | 1,288 | 2,925 | ||
| Provision for income taxes | 0 | 134 | 0 | 0 | ||
| Net loss | $ (52,591) | $ (55,327) | $ (104,481) | $ (101,088) | ||
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- Definition General and Administrative Expense, Personnel Expenses No definition available.
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- Definition Research and Development Expense, Facility Costs No definition available.
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- Definition Research and Development Expense, Personnel Expenses No definition available.
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- Definition Research and Development Expense, Research Costs No definition available.
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- References No definition available.
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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 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 The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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 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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- Definition Amount of other expense (income) and loss (gain) calculated as difference between segment revenue and separately disclosed expense category to arrive at segment profit (loss). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Details
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