Warranties (Tables)

9 Months Ended

Sep. 30, 2017

Product Warranties Disclosures [Abstract]

Change in the Company's warranty reserve

The overall change in the Company’s warranty reserve is reflected on the condensed consolidated balance sheets in accrued expenses and other liabilities and is detailed as follows:

	Three Months Ended   September 30,						Nine Months Ended   September 30,
	2017			2016			2017			2016
	(in thousands)
Liability, beginning of period	$	3,006		$	1,584		$	2,439		$	1,415
Provision for warranties issued during the period, net of adjustments	120			(14		)	354			430
Adjustments to warranties issued during previous periods	658			(7		)	1,578			(18		)
Warranty claims	(113		)	(41		)	(700		)	(305		)
Liability, end of period	$	3,671		$	1,522		$	3,671		$	1,522