Financial Statement Details - Property, Plant and Equipment, Net (Detail) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 79,251	$ 88,446
Accumulated depreciation	(14,162)	(11,561)
Property, plant and equipment, net	65,089	76,885
Construction in Progress
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	0	2,480
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	33,540	4,087
Buildings
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	23,463	59,356
Equipment
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	20,643	20,878
Software
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	1,236	1,264
Furniture And Fixtures
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 369	$ 381

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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