Other Income (Expense), Net - Components of Other Income (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Other Income and Expenses [Abstract]
Interest income, net	$ 8,217,000	$ 1,313,000	$ 930,000
Rental income, net	792,000	792,000	792,000
Foreign currency losses, net	(161,000)	(653,000)	(336,000)
Other, net	38,000	34,000	(183,000)
Total other income (expense), net	$ 8,886,000	$ 1,486,000	$ 1,203,000