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Inventory (Tables) | 3 Months Ended
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Mar. 31, 2012
Inventory [Abstract] |
Schedule Of Inventory |
|  | March 31, 2012 |  |  | December 31, 2011 |
|  | (In thousands) |
Equipment and materials |  | $ | 7,485 |  |  | $ | 2,709 |
Crude oil inventory |  |  | 2,937 |  |  |  | 834 |
Total inventory |  | $ | 10,422 |  |  | $ | 3,543 |

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- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic -SubTopic -Publisher SEC -Number 210 -Article 5 -Subparagraph a,b,c -Name Regulation S-X (SX) -Paragraph 6 -Section 2 + Details
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