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, 2022 USD ($) MMBTU bbl	Dec. 31, 2021 USD ($) MMBTU bbl
Financial Institution Counterparties [Member] | Oil Commodity Derivative [Member]
Derivative Instruments [Line Items]
Oil/Natural Gas Derivative Assets, Notional Amount | bbl	4,173	4,809
Oil/Natural Gas Derivative Liabilities, Notional Amount | bbl	9,125	7,032
Oil/Natural Gas Derivative Assets, Estimated Fair Value	$ 20,653	$ 14,721
Oil/Natural Gas Derivative Liabilities, Estimated Fair Value	$ (181,161)	$ (73,594)
Financial Institution Counterparties [Member] | Natural Gas Commodity Derivative [Member]
Derivative Instruments [Line Items]
Oil/Natural Gas Derivative Assets, Notional Amount | MMBTU	11,753	15,947
Oil/Natural Gas Derivative Liabilities, Notional Amount | MMBTU	21,557	29,446
Oil/Natural Gas Derivative Assets, Estimated Fair Value	$ 3,181	$ 4,143
Oil/Natural Gas Derivative Liabilities, Estimated Fair Value	$ (38,990)	$ (21,249)
Customer Counterparties [Member] | Oil Commodity Derivative [Member]
Derivative Instruments [Line Items]
Oil/Natural Gas Derivative Assets, Notional Amount | bbl	9,606	7,046
Oil/Natural Gas Derivative Liabilities, Notional Amount | bbl	3,692	4,796
Oil/Natural Gas Derivative Assets, Estimated Fair Value	$ 182,274	$ 74,437
Oil/Natural Gas Derivative Liabilities, Estimated Fair Value	$ (20,306)	$ (14,294)
Customer Counterparties [Member] | Natural Gas Commodity Derivative [Member]
Derivative Instruments [Line Items]
Oil/Natural Gas Derivative Assets, Notional Amount | MMBTU	21,557	29,446
Oil/Natural Gas Derivative Liabilities, Notional Amount | MMBTU	11,753	15,947
Oil/Natural Gas Derivative Assets, Estimated Fair Value	$ 39,110	$ 21,456
Oil/Natural Gas Derivative Liabilities, Estimated Fair Value	$ (3,181)	$ (4,124)