Property and Equipment, Net - Summary of Property and Equipment (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 228,358	$ 227,434
Less: accumulated depreciation	(30,587)	(27,875)
Total	197,771	199,559
Land [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	6,674	6,771
Buildings and Leasehold Improvements [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	117,597	117,325
Laboratory and Manufacturing Equipment [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	37,254	37,176
Office and Computer Equipment [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	2,001	1,710
Right-of-Use ("ROU") Assets Under Finance Lease [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	15,270	15,072
Construction-in-Process, Not Yet Available for Use [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 49,562	$ 49,380

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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