Derivative Financial Instruments - Schedule of Notional Amounts and Estimated Fair Values of Commodity Derivative Positions (Detail) bbl in Thousands, MMBTU in Thousands, $ in Thousands	Mar. 31, 2026 USD ($) MMBTU bbl	Dec. 31, 2025 USD ($) MMBTU bbl
Financial Institution Counterparties [Member] | Oil Commodity Derivative [Member]
Derivative Instruments [Line Items]
Oil/Natural Gas Derivative Assets, Notional Amount | bbl	932	7,842
Oil/Natural Gas Derivative Liabilities, Notional Amount | bbl	11,986	1,913
Oil/Natural Gas Derivative Assets, Estimated Fair Value	$ 1,379	$ 42,594
Oil/Natural Gas Derivative Liabilities, Estimated Fair Value	$ (131,899)	$ (968)
Financial Institution Counterparties [Member] | Natural Gas Commodity Derivative [Member]
Derivative Instruments [Line Items]
Oil/Natural Gas Derivative Assets, Notional Amount | MMBTU	27,031	29,288
Oil/Natural Gas Derivative Liabilities, Notional Amount | MMBTU	10,491	8,000
Oil/Natural Gas Derivative Assets, Estimated Fair Value	$ 11,572	$ 7,678
Oil/Natural Gas Derivative Liabilities, Estimated Fair Value	$ (710)	$ (938)
Customer Counterparties [Member] | Oil Commodity Derivative [Member]
Derivative Instruments [Line Items]
Oil/Natural Gas Derivative Assets, Notional Amount | bbl	11,986	1,928
Oil/Natural Gas Derivative Liabilities, Notional Amount | bbl	932	7,828
Oil/Natural Gas Derivative Assets, Estimated Fair Value	$ 133,675	$ 1,091
Oil/Natural Gas Derivative Liabilities, Estimated Fair Value	$ (1,265)	$ (41,265)
Customer Counterparties [Member] | Natural Gas Commodity Derivative [Member]
Derivative Instruments [Line Items]
Oil/Natural Gas Derivative Assets, Notional Amount | MMBTU	10,921	8,000
Oil/Natural Gas Derivative Liabilities, Notional Amount | MMBTU	26,601	29,288
Oil/Natural Gas Derivative Assets, Estimated Fair Value	$ 790	$ 1,001
Oil/Natural Gas Derivative Liabilities, Estimated Fair Value	$ (11,319)	$ (7,427)