Other Financial Statement Information - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Property and equipment	$ 34,013		$ 34,013		$ 35,389
Less: accumulated depreciation and amortization	(18,539)		(18,539)		(16,814)
Total property and equipment, net	15,474		15,474		18,575
Depreciation and amortization expense	1,500	$ 1,600	4,600	$ 4,600
Laboratory equipment
Property, Plant and Equipment [Line Items]
Property and equipment	26,494		26,494		28,723
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property and equipment	3,128		3,128		1,984
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment	681		681		681
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment	3,626		3,626		3,577
Construction-in-progress
Property, Plant and Equipment [Line Items]
Property and equipment	$ 84		$ 84		$ 424