Accounts Receivable - Schedule of Accounts Receivable (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Receivables [Abstract]
Accounts receivable	$ 60,892	$ 74,850
Notes receivable	4,803	257
Allowances for doubtful accounts	(236)	(263)	$ (268)
Sales return reserves	(1,481)	(787)	(1,205)
Low yield compensation reserve	(480)	(1,100)	$ (1,951)
Accounts receivable, net	$ 63,498	$ 72,957