Balance Sheet Details - Schedule of Property, Plant and Equipment, Net (Details) - USD ($) $ in Thousands	Sep. 26, 2020	Dec. 31, 2019
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 138,641	$ 136,533
Accumulated depreciation	(45,925)	(38,113)
Total property, plant and equipment, net	92,716	98,420
Land and building [Member]
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	46,941	47,222
Machinery and equipment [Member]
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	57,571	56,504
Furniture and fixtures [Member]
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	4,305	3,968
Computer equipment and software [Member]
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	16,361	15,770
Leasehold improvements [Member]
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 13,463	$ 13,069