Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2021

Commitments And Contingencies Disclosure [Abstract]

Reconciliation of Changes in Accrued Warranty Costs

The following is a reconciliation of the changes in accrued warranty costs:

	Nine Months Ended September 30,
	2021			2020
Balance at the beginning of the period	$	2,391		$	4,596
Warranty claims paid		(1,374	)		(1,777	)
Warranty expense for products shipped during the current period		1,722			1,042
Adjustments to warranty estimates from prior periods		318			(1,194	)
Adjustments due to currency translation		(44	)		19
Balance at the end of the period	$	3,013		$	2,686