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Reserve for Severance (Tables)
 6 Months Ended
Jun. 30, 2016
Severance Reserve [Abstract]  
Changes in the Company's reserve for severance and related payments
Changes in the Company’s reserve for severance as of June 30, 2016 and 2015 were as follows:
 
(Dollars in thousands)
 
Six Months Ended June 30,
 
2016
 
2015
Balance at beginning of period
$
697

 
$
311

Charged to earnings
347

 
621

Payments
(677
)
 
(504
)
Balance at end of period
$
367

 
$
428