Property, plant and equipment, net - Summary of Property, Plant and Equipment, Net (Detail) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 63,964	$ 115,061
Less accumulated depreciation and amortization	(27,245)	(56,911)
Property, plant and equipment, net	36,719	58,150
Computer equipment and software
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	4,965	6,156
Office equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	6,330	6,726
Laboratory equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	4,329	43,209
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	48,340	58,832
Construction-in-progress
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 0	$ 138