Property and Equipment, Net - Schedule of Property and Equipment, Net (Detail) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 29,261	$ 25,492
Less: Accumulated depreciation and amortization	(11,012)	(10,120)
Property and equipment, net	18,249	15,372
Laboratory Equipment [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	18,949	12,710
Computer Equipment [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	932	922
Office Equipment [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	941	941
Leasehold Improvements [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	5,557	5,730
Construction In Progress [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 2,882	$ 5,189

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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