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Fair Value Measurements - Narrative (Detail) - USD ($) $ in Millions	Dec. 31, 2021	Oct. 21, 2021	Dec. 31, 2020	Mar. 31, 2020
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Net derivative liability adjustment	$ 5.3		$ 4.3
Commodity forward prices | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Estimated future cash flows, measurement input (percent)		2.00%		2.50%
Inflation factor | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Estimated future cash flows, measurement input (percent)		2.00%		2.50%
Market-based Weighted Average Cost of Capital | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Estimated future cash flows, measurement input (percent)		11.00%
Market-based Weighted Average Cost of Capital | Discounted Cash Flow | Proved Oil and Gas Properties
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Estimated future cash flows, measurement input (percent)				12.70%
Market-based Weighted Average Cost of Capital | Discounted Cash Flow | Midstream Assets
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Estimated future cash flows, measurement input (percent)				10.40%

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- Definition

Oil and Gas Properties, Measurement Input

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- Definition

Amount of credit risk valuation adjustment to derivative liabilities to properly reflect the credit quality of the entity.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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