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Pension and Supplemental Executive Retirement Plans (Tables)
6 Months Ended
Jun. 30, 2023
Retirement Benefits [Abstract]  
Activity in the Defined Benefit Plan
The following table presents information pertaining to the activity in our defined benefit plan, using the latest available actuarial valuations with a measurement date of June 30, 2023 and 2022 for the periods shown:
Three Months Ended June 30,Six Months Ended June 30,
(Dollars in thousands)2023202220232022
Interest cost$113 $85 226 170 
Expected return on plan assets(164)(167)(328)(334)
Amortization of net actuarial loss29 107 58 214 
     Net periodic benefit (income) cost$(22)$25 $(44)$50 
Contributions paid$— $— $— $—