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Derivative Financial Instruments - Summary of Notional Amounts and Estimated Fair Values of Oil and Gas Derivative Positions Outstanding (Detail) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
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Derivatives, Fair Value [Line Items] |  |
Derivative assets, Estimated Fair Value | $ 55,174 | $ 8,946
Derivative liabilities, Estimated Fair Value | (53,943) | (8,237)
Not Designated as Hedging Instrument [Member] | Oil and Gas Swaps and Options [Member] | Other Assets [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets, Estimated Fair Value | 55,174 | 8,946
Not Designated as Hedging Instrument [Member] | Oil and Gas Swaps and Options [Member] | Other Liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities, Estimated Fair Value | (53,943) | (8,237)
Not Designated as Hedging Instrument [Member] | Oil and Gas Swaps and Options [Member] | Oil [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative asset, Notional Amount | 3,599 | 2,585
Derivative liabilities, Notional Amount | (3,599) | (2,585)
Derivative assets, Estimated Fair Value | 40,214 | 6,563
Derivative liabilities, Estimated Fair Value | (39,506) | (6,129)
Not Designated as Hedging Instrument [Member] | Oil and Gas Swaps and Options [Member] | Gas/Natural Gas Liquids [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative asset, Notional Amount | 34,990 | 19,752
Derivative liabilities, Notional Amount | (34,990) | (19,752)
Derivative assets, Estimated Fair Value | 14,960 | 2,383
Derivative liabilities, Estimated Fair Value | $ (14,437) | $ (2,108)

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