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Leases (Tables)
12 Months Ended
Dec. 31, 2015
Leases [Abstract]  
Schedule of future minimum lease payments, operating lease

($ in thousands)

   

Year ending December 31:

     

2016

  $ 1,122  

2017

  1,008  

2018

  838  

2019

  610  

2020

  412  

  Thereafter

  677  

       Total

  $ 4,667