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Pension Plans (Tables)
6 Months Ended
Jun. 30, 2021
Retirement Benefits [Abstract]  
Schedule of the components of pension (income) expense The following table contains the components of the pension cost.
 For the Three Months Ended June 30,
($ in thousands)2021 Pension Plan 2020 Pension Plan 2021 SERP2020 SERP2021 Total Both Plans2020 Total Both Plans
Service cost$— — — — — — 
Interest cost104 305 20 55 124 360 
Expected return on plan assets(203)(325)— — (203)(325)
Amortization of net (gain)/loss158 221 47 (41)205 180 
Net periodic pension cost$59 201 67 14 126 215