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Inventories (Tables)
12 Months Ended
Dec. 31, 2014
Inventory Disclosure [Abstract]  
Schedule Of Major Components Of Inventories
 
December 31,
 
2014
 
2013
Petroleum products
$
30,108

 
$
71,373

Crude oil
7,266

 
5,380

Caustic soda
2,850

 
2,679

NaHS
6,603

 
5,845

Other
2

 
53

Total
$
46,829

 
$
85,330