Property, Plant, and Equipment, Net - Summary of Property, Plant, and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 222,388	$ 207,089
Accumulated depreciation	(135,254)	(116,805)
Property, plant and equipment, net, excluding construction in progress	87,134	90,284
Construction in progress	3,598	5,556
Total property, plant, and equipment, net	90,732	95,840
Buildings
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	18,570	18,799
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	94,274	87,700
Construction in progress	1,428	2,444
Tooling
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	32,267	29,575
Construction in progress	759	1,581
Leasehold and building improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	37,527	34,486
Construction in progress	574	675
Software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	25,910	25,406
Construction in progress	518	352
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	3,905	2,572
Computer equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 9,935	$ 8,551