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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
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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)

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