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Employee Benefit Plans (Tables)
 6 Months Ended
Jun. 30, 2017
Retirement Benefits [Abstract]  
Schedule of components of net periodic benefit cost
The following information for the six months ended June 30, 2017 and 2016 pertains to the Company's non-contributory defined benefit pension plan which was frozen in 2009.  If lump sum payments exceed the service cost plus interest cost, an additional settlement charge will apply (dollars in thousands):
Components of Net Periodic Benefit Cost
Six Months Ended June 30,
 
2017
 
2016
Service cost
$
—

 
$
—

Interest cost
118

 
134

Expected return on plan assets
(177
)
 
(192
)
Recognized loss due to settlement
70

 
114

Recognized net actuarial loss
109

 
—

 
 
 
 
Net periodic cost
$
120

 
$
56