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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2013
Commitments And Contingencies Disclosure [Abstract]  
Minimum Lease Payments under Operating Leases

Minimum lease payments under operating leases are as follows:

 

     Operating Leases  

Year ending December 31,

  

2014

   $ 7,484   

2015

     5,745   

2016

     4,171   

2017

     3,862   

2018

     2,928   

Thereafter

     3,855   
  

 

 

 

Total minimum lease payments

   $ 28,045