Balance Sheet Components - Summary of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 7,945	$ 7,945
Less: accumulated depreciation	(5,114)	(4,179)
Total property and equipment, net	2,831	3,766
Laboratory Equipment
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	3,928	3,928
Leasehold Improvements
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	3,439	3,439
Computer Equipment
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	146	146
Furniture and Fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 432	$ 432