Business Segment and Geographic Information - Geographical Markets (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Disaggregation of Revenue [Line Items]
Total Sales	$ 172,139	$ 109,236	$ 313,176	$ 207,162
United States
Disaggregation of Revenue [Line Items]
Total Sales	127,580	89,277	230,919	168,823
International
Disaggregation of Revenue [Line Items]
Total Sales	$ 44,559	$ 19,959	$ 82,257	$ 38,339