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Employee Benefits (Tables)
3 Months Ended
Mar. 31, 2021
Retirement Benefits [Abstract]  
Schedule of Components of Net Periodic Pension Cost and Other Changes in Plan Assets and Benefit
The following table summarizes the components of net periodic pension cost for the periods presented:
Three Months Ended March 31,
(dollars in thousands)20212020
Components of Net Periodic Pension Cost
Interest cost on projected benefit obligation$703 $891 
Expected return on plan assets(716)(972)
Net amortization248 384 
Settlement Charge749 — 
Net Periodic Pension Expense$984 $303