Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Property, Plant, and Equipment [Line Items]
Property and equipment, gross	$ 95,906	$ 89,552
Less: accumulated depreciation	(49,822)	(42,163)
Property and equipment, net	46,084	47,389
Office equipment
Property, Plant, and Equipment [Line Items]
Property and equipment, gross	1,223	1,201
Electronic equipment
Property, Plant, and Equipment [Line Items]
Property and equipment, gross	13,274	10,964
Vehicle
Property, Plant, and Equipment [Line Items]
Property and equipment, gross	209	200
Laboratory equipment
Property, Plant, and Equipment [Line Items]
Property and equipment, gross	20,507	20,040
Manufacturing equipment
Property, Plant, and Equipment [Line Items]
Property and equipment, gross	18,857	17,948
Leasehold improvements
Property, Plant, and Equipment [Line Items]
Property and equipment, gross	14,624	14,049
Building
Property, Plant, and Equipment [Line Items]
Property and equipment, gross	25,668	24,596
Construction in progress
Property, Plant, and Equipment [Line Items]
Property and equipment, gross	$ 1,544	$ 554