Business Segment Information - Summary of Property, Plant and Equipment of Reporting Segments by Geographic Area (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment net	$ 62,727	$ 42,835
U.S. [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment net	51,278	31,344
Italy [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment net	7,937	7,732
Germany [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment net	849	861
United Kingdom [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment net	1,082	896
Brazil [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment net	141	191
Others [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment net	$ 1,440	$ 1,811