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Pension Plans (Tables)
3 Months Ended
Mar. 31, 2022
Retirement Benefits [Abstract]  
Schedule of the Components of Pension Costs The following table contains the components of the pension cost.
 For the Three Months Ended March 31,
($ in thousands)2022 Pension Plan 2021 Pension Plan 2022 SERP2021 SERP2022 Total Both Plans2021 Total Both Plans
Service cost$— — — — — — 
Interest cost267 306 28 39 295 345 
Expected return on plan assets(288)(325)— — (288)(325)
Amortization of net (gain)/loss180 210 (136)(39)44 171 
Net periodic pension cost$159 191 (108)— 51 191