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Segment Information - Additional Information (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) Segment partner	Jun. 30, 2025 USD ($)
Segment Reporting [Line Items]
Number of reportable segments | Segment			1
Revenue	$ 0	$ 0	$ 36,839	$ 0
Number of foreign collaboration partners | partner			2
Reportable Segment
Segment Reporting [Line Items]
Revenue			$ 36,800

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