Balance Sheet Components - Schedule of Property, Plant and Equipment Net (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 7,660	$ 11,420
Accumulated depreciation	(5,134)	(4,684)
Property, plant and equipment, net	2,526	6,736
Leasehold Improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	2,195	2,152
Laboratory Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	3,299	3,306
Computer Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	824	749
Furniture and Fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	921	921
Construction in Progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 421	$ 4,292