Gross Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Balance at beginning of year	$ 2,426	$ 3,222
Additions for tax positions related to the current year	225	223
Additions for tax positions related to the prior years	5	56
Reduction for tax positions related to the prior years	(745)	(971)
Effect of exchange rate changes	(95)	(104)
Balance at end of year	$ 2,006	$ 2,426