Information by Segment and Geographic Area (Details 2) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	$ 668,209	$ 561,786	$ 432,793
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	286,933	193,692	98,851
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	109,660	99,369	89,502
All Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	$ 271,616	$ 268,725	$ 244,440