Quarterly report pursuant to Section 13 or 15(d)

CERTAIN RELATIONSHIPS AND RELATED PARTY TRANSACTIONS (Tables)

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CERTAIN RELATIONSHIPS AND RELATED PARTY TRANSACTIONS (Tables)
6 Months Ended
Jun. 30, 2011
CERTAIN RELATIONSHIPS AND RELATED-PARTY TRANSACTIONS [Abstract]  
Expenses Incurred and Revenues Earned from Other Related Parties
The following table sets forth expenses incurred and revenue earned from these companies for services rendered or provided in relation to these business ventures.

   
Three Months Ended
June 30,
   
Six Months Ended
June 30,
 
   
2011
   
2010
   
2011
   
2010
 
   
(in thousands)
 
Other related parties revenue
  $ 243     $ 58     $ 809     $ 421  
                                 
Other related parties expenses
  $ 1,941     $ 2,098     $ 5,519     $ 8,555