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Inventories (Schedule Of Major Components Of Inventories) (Details) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2013 | Dec. 31, 2012
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Inventory Disclosure [Abstract] |  |
Petroleum products | $ 85,121 | $ 58,943
Crude oil | 26,767 | 15,885
Caustic soda | 2,028 | 5,636
NaHS | 5,181 | 6,573
Other | 25 | 13
Total | $ 119,122 | $ 87,050

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- Definition Carrying amount of sodium hydrosulfide (NaHS) as of the balance sheet date. + References No definition available. + Details
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