Warranties (Tables)

9 Months Ended

Sep. 30, 2022

Guarantees [Abstract]

Warranty

Changes in the warranty accrual are as follows:

	Three Months Ended				Nine Months Ended
	September 30, 2022		September 30, 2021		September 30, 2022		September 30, 2021
Warranty accrual:	(in thousands)
Balance, beginning of period	$	14,381	$	14,008	$	13,769	$	13,522
Payments made	(2,196)		(1,825)		(5,094)		(4,834)
Provisions	3,046		1,272		6,556		4,767
Balance, end of period	$	15,231	$	13,455	$	15,231	$	13,455
Warranty expense:	$	3,046	$	1,272	$	6,556	$	4,767