Income Taxes - Schedule of Reconciliations 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, opening balance	$ 168	$ 1,927	$ 1,931
Gross increases – tax positions in prior period	2,760	29
Gross increases – current period tax positions	355	26	20
Foreign currency translation	7	1	69
Settlement		(1,526)
Lapse of statute of limitations	(17)	(289)	(93)
Unrecognized tax benefits, ending balance	$ 3,273	$ 168	$ 1,927