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Inventories (Notes)
12 Months Ended
Dec. 31, 2014
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]
7. Inventories
Inventories were as follows:
 
December 31,
 
2014
 
2013
 
(In thousands)
Lubricants
$
14,241

 
$
16,032

Refined products
242

 
250

Inventories
$
14,483

 
$
16,282