v2.4.0.6
RELATED PARTY TRANSACTIONS (Tables)
3 Months Ended
Mar. 31, 2012
Related Party Transactions [Abstract]  
Schedule of Related Party Transactions [Text Block]
The following table summarizes information pertaining to related party transactions:
 
Three Months Ended March 31,
 
2012
 
2011
 
(Thousands of Dollars)
Revenues
$
697

 
$
130

Operating expenses
$
38,932

 
$
35,109

General and administrative expenses
$
19,169

 
$
16,948