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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, 2018
Dec. 31, 2017
Operator A [Member]    
Concentration risk, percentage 14.00% 13.00%
Operator B [Member]    
Concentration risk, percentage 0.00% 25.00%
Operator C [Member]    
Concentration risk, percentage 47.00% 34.00%
Operator D [Member]    
Concentration risk, percentage 18.00% 5.00%