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Inventories (Tables) | 12 Months Ended
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Dec. 31, 2012
Inventory Disclosure [Abstract] |
Schedule Of Major Components Of Inventories |
| December 31,
| 2012 |  | 2011
Petroleum products | $ | 58,943 |  |  | $ | 70,769 |
Crude oil | 15,885 |  |  | 11,701 |
Caustic soda | 5,636 |  |  | 11,312 |
NaHS | 6,573 |  |  | 7,337 |
Other | 13 |  |  | 5 |
Total inventories | $ | 87,050 |  |  | $ | 101,124 |

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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 -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5 + Details
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