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Leases (Tables)
12 Months Ended
Dec. 31, 2014
Leases [Abstract]  
Schedule of future minimum lease payments, operating lease

Future obligations for minimum rentals under noncancelable operating leases at December 31, 2014 are as follows:

 

($ in thousands)

Year ending December 31:

 

  2015

  $ 952

  2016

  766

  2017

  675

  2018

  506

  2019

  319

  Thereafter

  903

       Total

  $ 4,121