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Oil and Gas Reserves Information (Unaudited) - Summary of Prices Used in Determining Oil and Natural Gas Reserves Quantities and Cash Flows (Detail) | 12 Months Ended
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Dec. 31, 2021 $ / Mcf $ / bbl | Dec. 31, 2020 $ / Mcf $ / bbl | Dec. 31, 2019 $ / Mcf $ / bbl
Crude Oil and NGL Per Barrel |  |  |
Oil and Gas, Average Sale Price and Production Cost Per Unit [Line Items] |  |  |
Average sales prices | $ / bbl | 62.38 | 32.88 | 50.94
Natural Gas Per Thousand Cubic Feet |  |  |
Oil and Gas, Average Sale Price and Production Cost Per Unit [Line Items] |  |  |
Average sales prices | $ / Mcf | 3.33 | 1.71 | 2.29

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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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