Product Warranty Reserve - Roll Forward of Product Warranty Reserve (Detail) - Warranty Reserves [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Valuation and Qualifying Accounts Disclosure [Line Items]
Beginning of period balance	$ 1,282	$ 1,309	$ 928
Additions charged to costs and expenses	934	279	481
Warranty usage	(553)	(314)	(317)
Currency translation	(28)	8	217
End of period balance	$ 1,635	$ 1,282	$ 1,309