Derivative Financial Instruments - Schedule of Notional Amounts and Estimated Fair Values of Commodity Derivative Positions (Detail) bbl in Thousands, MMBTU in Thousands, $ in Thousands	Jun. 30, 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	2,255	7,842
Oil/Natural Gas Derivative Liabilities, Notional Amount | bbl	9,388	1,913
Oil/Natural Gas Derivative Assets, Estimated Fair Value	$ 7,871	$ 42,594
Oil/Natural Gas Derivative Liabilities, Estimated Fair Value	$ (42,809)	$ (968)
Financial Institution Counterparties [Member] | Natural Gas Commodity Derivative [Member]
Derivative Instruments [Line Items]
Oil/Natural Gas Derivative Assets, Notional Amount | MMBTU	31,743	29,288
Oil/Natural Gas Derivative Liabilities, Notional Amount | MMBTU	3,699	8,000
Oil/Natural Gas Derivative Assets, Estimated Fair Value	$ 10,006	$ 7,678
Oil/Natural Gas Derivative Liabilities, Estimated Fair Value	$ (150)	$ (938)
Customer Counterparties [Member] | Oil Commodity Derivative [Member]
Derivative Instruments [Line Items]
Oil/Natural Gas Derivative Assets, Notional Amount | bbl	9,430	1,928
Oil/Natural Gas Derivative Liabilities, Notional Amount | bbl	2,214	7,828
Oil/Natural Gas Derivative Assets, Estimated Fair Value	$ 44,126	$ 1,091
Oil/Natural Gas Derivative Liabilities, Estimated Fair Value	$ (7,475)	$ (41,265)
Customer Counterparties [Member] | Natural Gas Commodity Derivative [Member]
Derivative Instruments [Line Items]
Oil/Natural Gas Derivative Assets, Notional Amount | MMBTU	5,821	8,000
Oil/Natural Gas Derivative Liabilities, Notional Amount | MMBTU	29,621	29,288
Oil/Natural Gas Derivative Assets, Estimated Fair Value	$ 310	$ 1,001
Oil/Natural Gas Derivative Liabilities, Estimated Fair Value	$ (9,743)	$ (7,427)