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Schedule II - Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2015
Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
(Dollars in thousands)


Description
Balance at the
Beginning of
the Period
Charged to
Revenue, Cost
or Expense
Deduction
Balance at the
End of
the Period
 
 
 
 
 
Year ended December 31, 2013
 
 
 
 
     Provision for Doubtful Accounts
$
—

$
213

$
(213
)
$
—

Year ended December 31, 2014
 
 
 
 
     Provision for Doubtful Accounts
$
—

$
993

$
(993
)
$
—

Year ended December 31, 2015
 
 
 
 
     Provision for Doubtful Accounts
$
—

$
22

$
(22
)
$
—