Balance Sheet Details (Property and Equipment) (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Total	$ 26,819	$ 26,387
Less: accumulated depreciation	(14,259)	(13,146)
Property and equipment, net	12,560	13,241
Laboratory equipment
Property, Plant and Equipment [Line Items]
Total	21,728	21,316
Office and computer equipment
Property, Plant and Equipment [Line Items]
Total	438	438
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total	851	831
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total	$ 3,802	$ 3,802