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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2015
Summary of Significant Accounting Policies [Abstract]  
Schedule of Revenue by Major Customers

 

 

 

 

 

 

 

 

For the Year Ended December 31,

 

2015

 

2014

 

2013

Enterprise Crude Oil, LLC

 

 42% 

 

 51% 

 

 38% 

Plains Marketing, L.P.

 

 19% 

 

 22% 

 

 15% 

Permian Transport and Trading

 

 15% 

 

 7% 

 

—

Sunoco

 

 9% 

 

 10% 

 

—

Shell Trading Company

 

 4% 

 

—

 

 31% 

Other

 

 11% 

 

 10% 

 

 16% 

  Total

 

 100% 

 

 100% 

 

 100%