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Leases
12 Months Ended
Dec. 31, 2013
Leases [Abstract]  
Leases

8. Leases

The Company leases certain buildings and equipment under various noncancelable operating lease agreements that contain renewal provisions. Rent expense under these leases approximated $2.7 million, $2.5 million and $1.7 million for the years ended December 31, 2013, 2012, and 2011, respectively.

The future minimum lease payments due under operating leases as of December 31, 2013, were as follows:

 

2014

   $ 2,556  

2015

     2,529  

2016

     2,352  

2017

     1,916  

2018

     1,010  
  

 

 

 
   $ 10,363