Other Financial Statement Information - Schedule Of Property Plant And Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property and equipment, gross	$ 67,876	$ 25,210
Accumulated depreciation and amortization	(19,055)	(14,083)
Property and equipment, net	48,821	11,127
Laboratory equipment and machinery
Property and equipment, gross	22,400	14,616
Computer equipment
Property and equipment, gross	4,991	3,303
Furniture and fixtures
Property and equipment, gross	4,143	1,002
Leasehold improvements
Property and equipment, gross	33,936	3,342
Construction in progress
Property and equipment, gross	$ 2,406	$ 2,947

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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