Other Current Liabilities (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Other Liabilities Disclosure [Abstract]
Customer incentives	$ 4,400	$ 3,766
Accrued interest	1,586	227
Income taxes payable	1,792	2
Other	1,189	1,004
Total other current liabilities	$ 8,967	$ 4,999