Derivative Financial Instruments - Schedule of Notional Amounts and Estimated Fair Values of Commodity Derivative Positions (Detail) bbl in Thousands, MMBTU in Thousands, $ in Thousands	Sep. 30, 2024 USD ($) MMBTU bbl	Dec. 31, 2023 USD ($) MMBTU bbl
Financial Institution Counterparties [Member] | Oil Commodity Derivative [Member]
Derivative Instruments [Line Items]
Oil/Natural Gas Derivative Assets, Notional Amount | bbl	6,771	5,601
Oil/Natural Gas Derivative Liabilities, Notional Amount | bbl	4,713	4,581
Oil/Natural Gas Derivative Assets, Estimated Fair Value	$ 41,766	$ 37,667
Oil/Natural Gas Derivative Liabilities, Estimated Fair Value	$ (11,447)	$ (18,500)
Financial Institution Counterparties [Member] | Natural Gas Commodity Derivative [Member]
Derivative Instruments [Line Items]
Oil/Natural Gas Derivative Assets, Notional Amount | MMBTU	22,467	17,363
Oil/Natural Gas Derivative Liabilities, Notional Amount | MMBTU	8,572	6,462
Oil/Natural Gas Derivative Assets, Estimated Fair Value	$ 8,237	$ 11,822
Oil/Natural Gas Derivative Liabilities, Estimated Fair Value	$ (2,575)	$ (2,499)
Customer Counterparties [Member] | Oil Commodity Derivative [Member]
Derivative Instruments [Line Items]
Oil/Natural Gas Derivative Assets, Notional Amount | bbl	4,854	4,618
Oil/Natural Gas Derivative Liabilities, Notional Amount | bbl	6,629	5,564
Oil/Natural Gas Derivative Assets, Estimated Fair Value	$ 11,485	$ 18,722
Oil/Natural Gas Derivative Liabilities, Estimated Fair Value	$ (40,915)	$ (36,877)
Customer Counterparties [Member] | Natural Gas Commodity Derivative [Member]
Derivative Instruments [Line Items]
Oil/Natural Gas Derivative Assets, Notional Amount | MMBTU	8,572	6,462
Oil/Natural Gas Derivative Liabilities, Notional Amount | MMBTU	22,467	17,363
Oil/Natural Gas Derivative Assets, Estimated Fair Value	$ 2,594	$ 2,499
Oil/Natural Gas Derivative Liabilities, Estimated Fair Value	$ (7,861)	$ (11,571)