XML 59 R40.htm IDEA: XBRL DOCUMENT v3.20.1
Organization, Operations and Significant Accounting Policies - Schedule of Concentration of Credit Risk (Details) - Sales Revenue, Net [Member] - Oil and Natural Gas [Member]
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
CML Exploration, LLC [Member]    
Concentration risk, percentage 52.00% 18.00%
Zavanna, LLC [Member]    
Concentration risk, percentage 31.00% 47.00%
Crimson Exploration Operating, Inc [Member]    
Concentration risk, percentage 7.00% 14.00%