Warranties (Tables)

9 Months Ended

Sep. 30, 2020

Guarantees [Abstract]

Warranty

Changes in the warranty accrual are as follows:

	Three Months Ended				Nine Months Ended
	September 30, 2020		September 30, 2019		September 30, 2020		September 30, 2019
Warranty accrual:	(in thousands)
Balance, beginning of period	$	13,160	$	11,666	$	12,652	$	11,421
Payments made	(1,687)		(2,023)		(4,481)		(5,200)
Provisions	2,054		2,707		5,356		6,129
Balance, end of period	$	13,527	$	12,350	$	13,527	$	12,350
Warranty expense:	$	2,054	$	2,707	$	5,356	$	6,129