Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2020

Commitments And Contingencies Disclosure [Abstract]

Reconciliation of Changes in Accrued Warranty Costs

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

	Year Ended December 31,
	2020			2019
Balance at beginning of year	$	4,596		$	4,514
Warranty claims paid		(2,598	)		(584	)
Warranty expense for products shipped during the current period		1,223			2,370
Adjustments to warranty estimates from prior periods		(893	)		(1,660	)
Acquisition of business		—			21
Adjustments due to currency translation		63			(65	)
Balance at end of year	$	2,391		$	4,596