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Summary of Significant Accounting Policies - Summary of Significant Expense (Parenthetical) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Segment Reporting Information [Line Items] |  |  |  |
Operating expenses | $ 49,499 | $ 18,264 | $ 108,479 | $ 59,597
Research and Development Related Stock Compensation Expense [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating expenses | 900 | 900 | 2,700 | 2,800
General and Administrative Related Stock Compensation Expense [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating expenses | $ 900 | $ 1,000 | $ 2,700 | $ 3,600

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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. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147476153/220-40-55-4 + Details
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