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Commitments and Contingencies
 12 Months Ended
Dec. 31, 2013
Commitments and Contingencies  
Commitments and Contingencies

11. Commitments and Contingencies

  • Leases

        The Company leases office space, automobiles and office equipment under non-cancellable lease agreements, which expire through December 2025. Aggregate annual future minimum lease payments under these non-cancellable leases are as follows:

Year Ending December 31:

        

2014

   $ 8,217  

2015

     7,720  

2016

     7,118  

2017

     6,525  

2018 and thereafter

     22,262  
       
​ ​ ​ ​ ​

 

   $ 51,842  
       
​ ​ ​ ​ ​
​ ​ ​ ​ ​
       

        Rent expense for the years ended December 31, 2013, 2012 and 2011 was $6.7 million, $5.7 million, and $2.9 million, respectively.