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

Future minimum lease payments under operating leases due each year are as follows at December 31, 2013:

 

2014

   $ 6,859   

2015

     6,474   

2016

     5,790   

2017

     4,694   

2018

     4,117   

Thereafter

     6,978   
  

 

 

 

Total minimum payments

   $ 34,912