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, 2022 USD ($) bbl MMBTU	Dec. 31, 2021 USD ($) MMBTU bbl
Financial Institution Counterparties [Member] | Oil Commodity Derivative [Member]
Derivative Instruments [Line Items]
Oil/Natural Gas Derivative Assets, Notional Amount | bbl	2,988	4,809
Oil/Natural Gas Derivative Liabilities, Notional Amount | bbl	9,767	7,032
Oil/Natural Gas Derivative Assets, Estimated Fair Value	$ 9,735	$ 14,721
Oil/Natural Gas Derivative Liabilities, Estimated Fair Value	$ (189,416)	$ (73,594)
Financial Institution Counterparties [Member] | Natural Gas Commodity Derivative [Member]
Derivative Instruments [Line Items]
Oil/Natural Gas Derivative Assets, Notional Amount | MMBTU	14,564	15,947
Oil/Natural Gas Derivative Liabilities, Notional Amount | MMBTU	27,474	29,446
Oil/Natural Gas Derivative Assets, Estimated Fair Value	$ 1,813	$ 4,143
Oil/Natural Gas Derivative Liabilities, Estimated Fair Value	$ (50,244)	$ (21,249)
Customer Counterparties [Member] | Oil Commodity Derivative [Member]
Derivative Instruments [Line Items]
Oil/Natural Gas Derivative Assets, Notional Amount | bbl	9,767	7,046
Oil/Natural Gas Derivative Liabilities, Notional Amount | bbl	2,988	4,796
Oil/Natural Gas Derivative Assets, Estimated Fair Value	$ 190,776	$ 74,437
Oil/Natural Gas Derivative Liabilities, Estimated Fair Value	$ (9,710)	$ (14,294)
Customer Counterparties [Member] | Natural Gas Commodity Derivative [Member]
Derivative Instruments [Line Items]
Oil/Natural Gas Derivative Assets, Notional Amount | MMBTU	27,474	29,446
Oil/Natural Gas Derivative Liabilities, Notional Amount | MMBTU	14,564	15,947
Oil/Natural Gas Derivative Assets, Estimated Fair Value	$ 50,423	$ 21,456
Oil/Natural Gas Derivative Liabilities, Estimated Fair Value	$ (1,811)	$ (4,124)