Product Warranties (Tables)

9 Months Ended

Sep. 30, 2016

Product Warranties Disclosures [Abstract]

Schedule of Product Warranty Liability

Changes in our product warranty obligations were as follows (in thousands):

	Nine Months Ended September 30,
	2016			2015
Balance, beginning of period	$	8,545		$	2,246
Accruals	2,132			1,845
Payments	(2,857		)	(1,433		)
Balance, end of period	$	7,820		$	2,658