Product Warranty (Tables)

3 Months Ended

Mar. 31, 2023

Product Warranty

Schedule of product warranty liability

	Three months ended
	March 31,
	2023		2022
	(in thousands)
Balance at January 1 (beginning of year)	$	10,487	$	6,924
Warranties issued during the period		2,629		2,140
Settlements made during the period		(2,587)		(1,430)
Changes in estimate of liability for pre-existing warranties during the period		865		375
Balance at March 31 (end of period)	$	11,394	$	8,009
Amount classified as current	$	9,599	$	7,203
Amount classified as long-term		1,795		806
Total warranty liability	$	11,394	$	8,009