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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Future Minimum Lease Payments
Future minimum lease payments under non-cancelable operating leases at December 31, 2013 were as follows:
 
For the Year Ended December 31,
(Dollars in
thousands)
2014
$
6,948

2015
4,957

2016
3,795

2017
2,160

2018
1,520

Thereafter
3,609

Total
$
22,989