Warranties (Tables)

6 Months Ended

Jun. 30, 2018

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   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
	(in thousands)
Liability, beginning of period	$	8,399		$	2,830		$	8,838		$	2,439
Provision for warranties issued during the period, net of adjustments	296			205			364			234
Adjustments to warranties issued during previous periods	(175		)	388			(545		)	920
Warranty claims	(132		)	(417		)	(269		)	(587		)
Liability, end of period	$	8,388		$	3,006		$	8,388		$	3,006