v2.4.0.6

RELATED PARTY TRANSACTIONS (Tables) | 9 Months Ended
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Sep. 30, 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 September 30, |  | Nine Months Ended September 30,
| 2012 |  | 2011 |  | 2012 |  | 2011
| (Thousands of Dollars)
Revenues | $ | 713 |  |  | $ | 286 |  |  | $ | 2,198 |  |  | $ | 823 |
Operating expenses | $ | 39,032 |  |  | $ | 37,151 |  |  | $ | 115,065 |  |  | $ | 109,061 |
General and administrative expenses | $ | 16,181 |  |  | $ | 8,985 |  |  | $ | 48,710 |  |  | $ | 41,968 |

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