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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2012
Commitments and Contingencies [Abstract]  
Operating lease commitments

Operating lease commitments at December 31, 2012 are as follows (in thousands):

 

         

2013

  $ 1,452  

2014

    1,046  

2015

    273  

2016

    273  

2017

    146  

2018

    97  

2019

    —    
   

 

 

 

Total

  $ 3,287