Income Taxes - Open Tax Years by Major Jurisdiction (Detail)	12 Months Ended
	Dec. 31, 2020
China
Open Tax Years By Major Jurisdiction [Line Items]
Open tax years by major jurisdiction	2015
Czech Republic
Open Tax Years By Major Jurisdiction [Line Items]
Open tax years by major jurisdiction	2014
Germany
Open Tax Years By Major Jurisdiction [Line Items]
Open tax years by major jurisdiction	2014
Hong Kong
Open Tax Years By Major Jurisdiction [Line Items]
Open tax years by major jurisdiction	2007
India
Open Tax Years By Major Jurisdiction [Line Items]
Open tax years by major jurisdiction	2010
Italy
Open Tax Years By Major Jurisdiction [Line Items]
Open tax years by major jurisdiction	2014
Korea
Open Tax Years By Major Jurisdiction [Line Items]
Open tax years by major jurisdiction	2014
Luxembourg
Open Tax Years By Major Jurisdiction [Line Items]
Open tax years by major jurisdiction	2015
Mexico
Open Tax Years By Major Jurisdiction [Line Items]
Open tax years by major jurisdiction	2014
United States
Open Tax Years By Major Jurisdiction [Line Items]
Open tax years by major jurisdiction	2017