Basis of Presentation and Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Concentration Risk, Percentage of Sales The table below presents percentages by purchaser that accounted for 10% or more of the Company’s total net revenues for each year as presented:
 
Year Ended December 31,
 
2019
 
2018
 
2017
BP America
37
%
 
18
%
 
16
%
ExxonMobil Oil Corporation
26
%
 
%
 
%
Shell Trading (US) Company
11
%
 
19
%
 
33
%
Eagleclaw Midstream Ventures, LLC
8
%
 
12
%
 
14
%