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Inventories | 12 Months Ended
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Dec. 31, 2013
Inventory Disclosure [Abstract] |
Inventories | 5. Inventories The major components of inventories were as follows:
| December 31,
| 2013 |  | 2012
Petroleum products | $ | 71,373 |  |  | $ | 58,943 |
Crude oil | 5,380 |  |  | 15,885 |
Caustic soda | 2,679 |  |  | 5,636 |
NaHS | 5,845 |  |  | 6,573 |
Other | 53 |  |  | 13 |
Total | $ | 85,330 |  |  | $ | 87,050 |
At December 31, 2013 and 2012, market values of our inventory exceeded recorded costs.

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- Definition The entire disclosure for inventory. This may include, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the major classes of inventory, and the nature of the cost elements included in inventory. If inventory is stated above cost, accrued net losses on firm purchase commitments for inventory and losses resulting from valuing inventory at the lower-of-cost-or-market may also be included. For LIFO inventory, may disclose the amount and basis for determining the excess of replacement or current cost over stated LIFO value and the effects of a LIFO quantities liquidation that impacts net income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 6 -Subparagraph a, b, c -Article 5 + Details
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