Income Taxes - Reconciliation of Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Unrecognized tax benefits, Beginning Balance	$ 799	$ 806	$ 1,774
Reductions for tax positions of prior years	(458)
Settlements			(986)
Translation adjustments	4	(7)	18
Unrecognized tax benefits, Ending Balance	$ 345	$ 799	$ 806