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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
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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%

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