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Reserve for Severance (Tables)
 12 Months Ended
Dec. 31, 2015
Severance Reserve [Abstract]  
Changes in the Company's reserve for severance and related payments
The table below reflects the activity in the Company’s reserve for severance and related payments.
 
(Dollars in thousands)
 
Year Ended December 31,
 
2015
 
2014
 
2013
Beginning balance
$
311

 
$
1,769

 
$
4,417

Charged to earnings
1,273

 
631

 
837

Cash paid
(887
)
 
(2,089
)
 
(3,485
)
Ending balance
$
697

 
$
311

 
$
1,769