Retirement Plans - Information about Pension Plan (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Change in benefit obligation:
Beginning benefit obligation	$ 8,019	$ 10,123
Interest cost	360	454	$ 392
Actuarial (gain)/loss	(537)	(637)
Benefits paid	(910)	(1,921)
Ending benefit obligation	6,932	8,019	10,123
Change in plan assets, at fair value:
Beginning plan assets	9,953	10,934
Actual return	230	940
Employer contribution	0	0
Benefits paid	(910)	(1,921)
Ending plan assets	9,273	9,953	$ 10,934
Funded status at end of year	$ 2,341	$ 1,934