Description of the Company and Summary of Significant Accounting Policies - Schedule of Company's Warranty Accrual (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Product Warranty Liability [Abstract]
Balance at beginning of year	$ 3,094	$ 1,274
Acquisitions	631	1,600
Charged to expense	428	2,020
Payments	(1,726)	(1,800)
Balance at end of year	$ 2,427	$ 3,094