Derivative Financial Instruments - Summary of Company's Net Credit Exposure Relating to Oil and Gas Swaps and Options with Bank Counterparties (Detail) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Oil and Natural Gas Swaps and Options [Member]
Credit Derivatives [Line Items]
Credit exposure	$ 13,377	$ 8,074

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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