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Pension Plans - Components of Net Periodic Pension Expense (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Retirement Benefits [Abstract]        
Interest cost $ 387 $ 392 $ 775 $ 785
Expected return on plan assets (485) (501) (971) (1,001)
Recognized net actuarial loss $ 117 $ 117 $ 234 $ 233
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense) Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Net periodic pension expense $ 19 $ 8 $ 38 $ 17