Pension and Employee Benefit Plans - Schedule of Changes in Projected Benefit Obligations (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Change in projected benefit obligation:
Interest cost	$ 877	$ 775	$ 1,034
Change in plan assets:
Fair value of plan assets at beginning of year	29,474
Fair value of plan assets at end of year	21,821	29,474
Funded status at end of year	$ 5,500	$ 5,600	$ 9,700
Discount rate	2.55%	2.10%	2.95%
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]		Interest Expense
Pension Benefits [Member]
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	$ 35,035	$ 38,272	$ 35,985
Interest cost	877	775	1,034
Actuarial (gain) loss	(6,540)	(1,936)	3,323
Benefits paid	(2,022)	(2,076)	(2,070)
Projected benefit obligation at end of year	27,350	35,035	38,272
Change in plan assets:
Fair value of plan assets at beginning of year	29,474	28,545	27,099
Actual return on plan assets	(5,631)	3,005	1,629
Employer contribution			1,887
Benefits paid	(2,022)	(2,076)	(2,070)
Fair value of plan assets at end of year	21,821	29,474	28,545
Funded status at end of year	$ (5,529)	$ (5,561)	$ (9,727)
Discount rate	4.90%	2.55%	2.10%