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Supplemental Information on Natural Gas and Oil Exploration, Development and Production Activities (Unaudited) - Additional Information (Detail) $ in Millions | 12 Months Ended
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Dec. 31, 2023 USD ($) MMcfe Bcfe $ / bbl $ / MMBTU $ / Mcf | Dec. 31, 2022 MMcfe $ / bbl $ / MMBTU $ / Mcf | Dec. 31, 2021 MMcfe $ / bbl $ / MMBTU $ / Mcf
Reserve Quantities [Line Items] |  |  |  |
Percentage of proved resources reviewed by consultants |  | 96.00% |  |
Proved reserve and pretax present value of reserve discounted |  | 10.00% |  |
Variance in reserve estimates |  | approximately 5% |  |
Scheduled to be drilling period maximum for undeveloped reserves |  | scheduled to be drilled within five years |  |
Reserve additions attributable to natural gas |  |  | 77.00% | 72.00%
Proved undeveloped reserves dropped |  | 370,600 | 1,400,000 | 1,300,000
Revisions of positive pricing |  |  |  | 22,600
Cost spent on undeveloped reserves transferred to developed reserves | $ |  | $ 495.1 |  |
Estimated future development costs over years | $ |  | $ 2,600.0 |  |
Proved undeveloped reserves reported for more than five years | Bcfe |  | 90,200 |  |
Crude Oil and NGL |  |  |  |
Reserve Quantities [Line Items] |  |  |  |
Benchmark price used for calculating average realized prices | $ / bbl |  | 78.1 | 94.13 | 66.34
Crude Oil and Condensate |  |  |  |
Reserve Quantities [Line Items] |  |  |  |
Estimate reserve information average realized prices | $ / bbl |  | 68.32 | 87.14 | 59.35
NGLs |  |  |  |
Reserve Quantities [Line Items] |  |  |  |
Estimate reserve information average realized prices | $ / bbl |  | 24.91 | 38.35 | 28.41
Natural Gas |  |  |  |
Reserve Quantities [Line Items] |  |  |  |
Estimate reserve information average realized prices | $ / Mcf |  | 2.2 | 6.08 | 3.3
Natural Gas, Per Thousand Cubic Feet |  |  |  |
Reserve Quantities [Line Items] |  |  |  |
Benchmark price used for calculating average realized prices | $ / MMBTU |  | 2.62 | 6.36 | 3.6
Natural Gas Equivalents |  |  |  |
Reserve Quantities [Line Items] |  |  |  |
Proved reserves from drilling activities and evaluations of proved areas | [1] | 207,260 | 1,668,244 | 1,602,769
Revisions of previous estimates | [1] | 608,784 | (591,983) | (252,876)
Revision of positive performance |  | 701,400 | 72,800 | 1,000,000
Additional undeveloped properties reclassified |  | 280,200 | 716,200 |
Maximum |  |  |  |
Reserve Quantities [Line Items] |  |  |  |
Statement that reserve estimates differ from auditors |  | 0.10 |  |
[1] | Oil and NGLs volumes are converted to mcfe at the rate of one barrel equals six mcf based upon the approximate relative energy content of oil to natural gas, which is not indicative of the relationship between oil and natural gas prices.

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