Other (Income) Expense, Net - Schedule of Other (Income) Expense, Net (Detail) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Other Income And Expenses [Abstract]
Foreign exchange (gain) loss		$ (626)	$ 1,254	$ (271)
Other		(1,954)	(260)	(249)
Other (income) expense, net	[1]	$ (2,580)	$ 994	$ (520)

[1] The year ended December 31, 2018 has been reported under ASC 606, and the years ended December 31, 2017 and 2016 have been reported under ASC 605 and have not been adjusted under the modified retrospective approach. See Note 3 – Revenue from contracts with customers for the effect of the adoption of ASC 606 on the Company’s consolidated financial statements.