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Employee Benefit Plans (Pension Benefit Plan) - Components of Net Periodic Pension Cost and Amounts Recognized Other Comprehensive (Loss) Income (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Net periodic benefit cost:      
Service cost $ 1,579 $ 1,426 $ 1,229
Interest cost $ 1,851 $ 1,168 $ 339
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Expected return on plan assets $ (1,750) $ (2,129) $ (1,842)
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Amortization of actuarial losses $ 26 $ 355 $ 1,088
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Net periodic benefit cost $ 1,706 $ 820 $ 814
Other changes in plan assets and benefit obligations recognized in other comprehensive (loss) income:      
Net actuarial (gain) loss 2,304 (6,549) (4,984)
Amortization of actuarial losses (145) (113) (825)
Amount recognized in other comprehensive (loss) income 2,159 (6,662) (5,809)
Total recognized in net periodic benefit cost and other comprehensive (loss) income $ 3,865 $ (5,842) $ (4,995)