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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Future Minimum Rental Payments for Operating Leases
The following represents payments due by period for operating lease obligations as of December 31, 2014 (dollars in thousands):
Year Ending December 31:
 
2015
$
2,323

2016
1,718

2017
1,473

2018
1,398

2019
1,377

2020 and thereafter
10,102