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Employee Benefits - Schedule of Components of Net Periodic Benefit Cost (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Pension Benefits      
Net periodic benefit cost for pension plans and the postretirement benefit plan      
Service Cost $ 0 $ 0 $ 0
Interest Cost $ 4,468 $ 3,097 $ 2,924
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Salaries and Benefits Salaries and Benefits Salaries and Benefits
Expected Return on Plan Assets $ (5,238) $ (4,840) $ (4,592)
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Other Other
Amortization of Prior Service Credit $ 0 $ 0 $ 0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Amortization of Prior Service Cost (Credit), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Other Other
Amortization of Net Actuarial Losses (Gains) $ 1,258 $ 2,175 $ 2,676
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Other Other
Net Periodic Benefit Cost $ 488 $ 432 $ 1,008
Postretirement Benefits      
Net periodic benefit cost for pension plans and the postretirement benefit plan      
Service Cost 376 584 678
Interest Cost $ 1,186 $ 861 $ 816
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Salaries and Benefits Salaries and Benefits Salaries and Benefits
Expected Return on Plan Assets $ 0 $ 0 $ 0
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Other Other
Amortization of Prior Service Credit $ (246) $ (246) $ (246)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Amortization of Prior Service Cost (Credit), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Other Other
Amortization of Net Actuarial Losses (Gains) $ (507) $ 0 $ 0
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Other Other
Net Periodic Benefit Cost $ 809 $ 1,199 $ 1,248