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Employee Benefit Plans (Tables)
9 Months Ended
Sep. 30, 2021
Retirement Benefits [Abstract]  
Schedule of Net Benefit Costs The following table details the components of the net periodic cost for the plan described above, which is included in salaries and employee benefit costs on the Unaudited Consolidated Statements of Operations:
Pension Benefits
 Three Months EndedNine Months Ended
 September 30,September 30,
(Dollars in thousands)2021202020212020
Interest cost$60 $80 $194 $256 
Expected return on plan assets(143)(187)(492)(577)
Amortization of net loss21 35 84 101 
Settlement of benefit obligation143 531 143 1,050 
Net periodic loss (income)$81 $459 $(71)$830