Supplemental Information on Natural Gas and Oil Exploration, Development and Production Activities (Unaudited) - Additional Information (Detail) $ in Millions		12 Months Ended
		Dec. 31, 2024 USD ($) MMcfe Bcfe $ / bbl $ / MMBTU $ / Mcf	Dec. 31, 2023 MMcfe $ / MMBTU $ / Mcf $ / bbl	Dec. 31, 2022 MMcfe $ / Mcf $ / bbl $ / MMBTU
Reserve Quantities [Line Items]
Percentage of proved resources reviewed by consultants		96.00%	96.00%	96.00%
Percentage of reserve audits performed by consultants		99.00%	99.00%	96.00%
Proved reserve and pretax present value of reserve discounted		10.00%	10.00%	10.00%
Variance in reserve estimates		approximately 5%
Scheduled to be drilling period maximum for undeveloped reserves		scheduled to be drilled within five years
Percentage of natural gas liquids in the total proved reserves		35.00%
Price of NGLs barrel rate compare to oil		34.00%
Reserve additions attributable to natural gas				77.00%
Proved undeveloped reserves dropped		771,500	370,600	1,381,900
Revisions of positive pricing				900
Revision of negative pricing		1,300	2,200
Cost spent on undeveloped reserves transferred to developed reserves | $		$ 512.1
Estimated future development costs over years | $		$ 2,300.0
Proved undeveloped reserves reported for more than five years | Bcfe		0
Crude Oil and NGL
Reserve Quantities [Line Items]
Benchmark price used for calculating average realized prices | $ / bbl		74.88	78.1	94.13
Crude Oil and Condensate
Reserve Quantities [Line Items]
Estimate reserve information average realized prices | $ / bbl		63.39	68.32	87.14
NGLs
Reserve Quantities [Line Items]
Estimate reserve information average realized prices | $ / bbl		24.4	24.91	38.35
Natural Gas
Reserve Quantities [Line Items]
Estimate reserve information average realized prices | $ / Mcf		1.74	2.2	6.08
Natural Gas, Per Thousand Cubic Feet
Reserve Quantities [Line Items]
Benchmark price used for calculating average realized prices | $ / MMBTU		2.13	2.62	6.36
Natural Gas Equivalents
Reserve Quantities [Line Items]
Proved reserves from drilling activities and evaluations of proved areas	[1]	749,362	207,260	1,668,244
Revisions of previous estimates	[1]	75,765	608,784	(591,983)
Revision of positive performance		391,400	701,400	72,800
Additional undeveloped properties reclassified		457,200	280,200	716,200
Maximum
Reserve Quantities [Line Items]
Statement that reserve estimates differ from auditors		0.10

[1] (a) 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.