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Related Party Transactions (Tables)
6 Months Ended
Jun. 30, 2014
Related Party Transaction [Abstract]  
Summary of related party transactions

  
Three Months Ended
June 30,
  
Six Months Ended
June 30,
 
  
2014
  
2013
  
2014
  
2013
 
  
(in thousands)
 
Amount IDT charged the Company
 $639  $705  $1,418  $1,450 
Amount the Company charged IDT
 $136  $49  $275  $107