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Retirement Plans (Tables)
 9 Months Ended
Sep. 30, 2019
Retirement Benefits [Abstract]  
Components of net periodic pension cost
The pension and retirement expense for the SERP was as follows:
 
Nine Months Ended September 30,
($ in thousands)
2019
 
2018
Cost components:
 
 
 
Interest cost
$
(228
)
 
$
(192
)
Net amortization and other
(48
)
 
(48
)
Total net periodic pension cost
$
(276
)
 
$
(240
)
Total pension and retirement expense for the Benefit Plan was as follows:
 
Nine Months Ended September 30,
($ in thousands)
2019
 
2018
Earnings (cost) components:
 
 
 
Interest cost
$
(291
)
 
$
(273
)
Expected return on plan assets
393

 
438

Net amortization and deferral
(57
)
 
(48
)
Total net periodic pension earnings
$
45

 
$
117