Financial Statement Details - Property, Plant and Equipment, Net (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 81,683	$ 79,108
Accumulated depreciation	(23,068)	(18,607)
Property, plant and equipment, net	58,615	60,501
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	33,436	33,406
Buildings
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	22,690	22,690
Equipment
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	23,948	21,434
Software
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	1,195	1,195
Furniture And Fixtures
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 414	$ 383

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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