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Unaudited Supplemental Oil and Gas Information - Schedule of Prices as Adjusted for Transportation, Quality (Details) - $ / bbl | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Oil (bbls) [Member] |  |  |
Sales Prices |  | 65.56 | 51.34
Natural Gas (MMbtu) [Member] |  |  |
Sales Prices | [1] | 3.10 | 2.98
[1] | Consists of the weighted average price for natural gas in mcf plus NGLs converted to mcf using a factor of 6 mcf for each barrel of NGL.

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- Definition Sales price per unit of oil and gas produced. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1204 -Paragraph (b) -Subparagraph (1) + Details
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