Other, Net - Other Net in Consolidated Statements of Income (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Other Nonoperating Income (Expense) [Abstract]
Foreign exchange gains (losses)	$ (3,703)	$ (2,871)	$ 501
Investment income	859	1,757	2,886
Realized and unrealized gains (losses) on investments	4,314	(8,188)	2,289
Net periodic benefit cost	28	690	302
Other retirement obligation	383	(212)	559
Gain on dissolution of the China joint venture			972
Other, net	$ 1,881	$ (8,824)	$ 7,509