Other Income (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Other Income and Expenses [Abstract]
Foreign currency (losses) gains	$ 94	$ 47	$ (220)	$ 89
Tax indemnification income, net	554	802	1,109	1,604
Interest income	105	276	214	559
Other	3	187	3	247
Total other income	$ 756	$ 1,312	$ 1,106	$ 2,499