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Pension and Supplemental Executive Retirement Plans (Tables)
3 Months Ended
Mar. 31, 2024
Retirement Benefits [Abstract]  
Activity in the Defined Benefit Plan
The following table presents information pertaining to the activity in our defined benefit pension plan, using the latest available actuarial valuations with a measurement date of March 31, 2024 and 2023 for the periods shown:

Three Months Ended March 31,
(Dollars in thousands)20242023
Interest cost$113 $113 
Expected return on plan assets(157)(164)
Amortization of net actuarial loss43 29 
     Net periodic benefit (income) cost$(1)$(22)
Contributions paid$— $—