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Retirement Plans (Tables)
 6 Months Ended
Jun. 30, 2019
Retirement Benefits [Abstract]  
Components of net periodic pension cost
The pension and retirement expense for the SERP was as follows:
 
Six Months Ended June 30,
($ in thousands)
2019
 
2018
Cost components:
 
 
 
Interest cost
$
(152
)
 
$
(128
)
Net amortization and other
(32
)
 
(32
)
Total net periodic pension cost
$
(184
)
 
$
(160
)
Total pension and retirement expense for the Benefit Plan was as follows:
 
Six Months Ended June 30,
($ in thousands)
2019
 
2018
Earnings (cost) components:
 
 
 
Interest cost
$
(194
)
 
$
(182
)
Expected return on plan assets
262

 
292

Net amortization and deferral
(38
)
 
(32
)
Total net periodic pension earnings
$
30

 
$
78