Other Income, Net - Schedule of Other Income (Loss) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Other Income and Expenses [Abstract]
Components of net periodic benefit income other than service cost (Note 16)	$ 20,339	$ 16,091	$ 14,107
Interest income (a)	5,861	7,019	8,184
Rental income	1,389	65	63
Loss on asset write-down and dispositions, net	(1,408)	(819)	(173)
Other, net	198	362	(80)
Total other income, net	$ 26,379	$ 22,718	$ 22,101