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Pension and Supplemental Executive Retirement Plans (Tables)
3 Months Ended
Mar. 31, 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 March 31, 2023 and 2022 for the periods shown:
Three Months Ended March 31,
(Dollars in thousands)20232022
Interest cost$113 $85 
Expected return on plan assets(164)(167)
Amortization of net actuarial loss29 107 
     Net periodic benefit (income) cost$(22)$25 
Contributions paid$— $—