Balance Sheet Components - Schedule of Property and Equipment, Net (Detail) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 64,293	$ 60,230
Less: Accumulated depreciation and amortization	(39,734)	(35,662)
Property and equipment, net	24,559	24,568
Laboratory and Manufacturing Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	16,084	15,414
Computer Equipment and Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	15,710	15,451
Internally developed software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	10,855	8,831
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	4,781	4,745
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	10,933	10,924
Construction in Process [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 5,930	$ 4,865