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Acquisition and Goodwill (Tables)
 3 Months Ended
Mar. 31, 2015
Business Combinations [Abstract]  
Summary of Goodwill Activity

The following table summarizes the goodwill activity for the three months ended March 31, 2015:

 

Balance at January 1, 2015

 $ 1,676   

Goodwill acquired during the period

   —     
  

 

 

  

Balance at March 31, 2015

 $ 1,676