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Product Sales Revenue (Tables)
 12 Months Ended
Dec. 31, 2015
Product Sales Revenue [Abstract]  
Disclosure Of Product Sales Revenue
For the years ended December 31, 2013, 2014 and 2015, product sales revenue included the following (in thousands):
 
 
 
Year Ended December 31,
 
 
2013
 
2014
 
2015
Physical sale of refined products
 
$
755,266

 
$
733,654

 
$
561,410

Change in value of NYMEX contracts
 
(10,597
)
 
145,320

 
68,426

Total product sales revenue
 
$
744,669

 
$
878,974

 
$
629,836