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Balance Sheet Account Details - Schedule of Property and Equipment, Net (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	$ 27,848	$ 27,125
Less accumulated depreciation	(9,891)	(8,876)
Property and equipment, net	17,957	18,249
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	16,077	16,077
Lab and office equipment
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	9,485	9,452
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	754	754
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	$ 1,532	$ 842

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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