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Income Taxes - Reconciliation of Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Unrecognized tax benefits, Beginning Balance	$ 806	$ 1,774	$ 1,910
Reductions for tax positions of prior years			(31)
Additions for tax positions of current year			75
Settlements		(986)	(163)
Translation adjustments	(7)	18	(17)
Unrecognized tax benefits, Ending Balance	$ 799	$ 806	$ 1,774

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Amount of unrecognized tax benefits.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
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