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Product Sales Revenues (Tables)
9 Months Ended
Sep. 30, 2015
Product Sales Revenue [Abstract]  
Components of Product Sales Revenues
For the three and nine months ended September 30, 2014 and 2015, product sales revenue included the following (in thousands): 
 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
2014
 
2015
 
2014
 
2015
Physical sale of petroleum products
$
108,320

 
$
100,829

 
$
555,870

 
$
403,395

NYMEX contract adjustments:
 
 
 
 
 
 
 
Change in value of NYMEX contracts that were not designated as hedging instruments associated with our butane blending and fractionation activities
47,546

 
71,902

 
33,703

 
52,432

Other
(1
)
 

 
12

 

Total NYMEX contract adjustments
47,545

 
71,902

 
33,715

 
52,432

Total product sales revenue
$
155,865

 
$
172,731

 
$
589,585

 
$
455,827