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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 | Jun. 30, 2023 USD ($) bbl MMBTU | Dec. 31, 2022 USD ($) bbl MMBTU
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Financial Institution Counterparties [Member] | Oil Commodity Derivative [Member] |  |
Derivative Instruments [Line Items] |  |
Oil/Natural Gas Derivative Assets, Notional Amount | bbl | 4,134 | 4,024
Oil/Natural Gas Derivative Liabilities, Notional Amount | bbl | 5,345 | 6,068
Oil/Natural Gas Derivative Assets, Estimated Fair Value | $ 30,701 | $ 27,082
Oil/Natural Gas Derivative Liabilities, Estimated Fair Value | $ (21,229) | $ (53,579)
Financial Institution Counterparties [Member] | Natural Gas Commodity Derivative [Member] |  |
Derivative Instruments [Line Items] |  |
Oil/Natural Gas Derivative Assets, Notional Amount | MMBTU | 16,694 | 16,539
Oil/Natural Gas Derivative Liabilities, Notional Amount | MMBTU | 9,871 | 15,682
Oil/Natural Gas Derivative Assets, Estimated Fair Value | $ 6,668 | $ 6,220
Oil/Natural Gas Derivative Liabilities, Estimated Fair Value | $ (6,841) | $ (19,138)
Customer Counterparties [Member] | Oil Commodity Derivative [Member] |  |
Derivative Instruments [Line Items] |  |
Oil/Natural Gas Derivative Assets, Notional Amount | bbl | 5,391 | 6,068
Oil/Natural Gas Derivative Liabilities, Notional Amount | bbl | 4,088 | 4,024
Oil/Natural Gas Derivative Assets, Estimated Fair Value | $ 21,580 | $ 54,219
Oil/Natural Gas Derivative Liabilities, Estimated Fair Value | $ (30,255) | $ (26,551)
Customer Counterparties [Member] | Natural Gas Commodity Derivative [Member] |  |
Derivative Instruments [Line Items] |  |
Oil/Natural Gas Derivative Assets, Notional Amount | MMBTU | 9,871 | 15,682
Oil/Natural Gas Derivative Liabilities, Notional Amount | MMBTU | 16,694 | 16,539
Oil/Natural Gas Derivative Assets, Estimated Fair Value | $ 6,865 | $ 19,164
Oil/Natural Gas Derivative Liabilities, Estimated Fair Value | $ (6,477) | $ (6,124)

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