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Non-controlling Interest (Tables)
3 Months Ended
Mar. 31, 2013
Noncontrolling Interest [Abstract]  
Non-controlling Interest

The following table sets forth the changes in non-controlling interest for the three months ended March 31, 2013 and 2012:

 

     Three Months Ended March 31,  
     2013     2012  

Balance at beginning of period

   $ 1,842      $ 1,108   

Net income attributable to non-controlling interest in consolidated subsidiary

     20        52   

Purchase of non-controlling interest in consolidated subsidiary

     (1,862  
  

 

 

   

 

 

 

Balance at end of period

   $ —        $ 1,160