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Derivative Financial Instruments and Hedging Activities - Schedule of Gains and Losses from Derivative Financial Instruments (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Derivative [Line Items] |  |  |
Gain (loss) from derivative financial instruments | $ 187,639 | $ (662,522) | $ (560,648)
Gain (Loss) from Derivative Financial Instruments |  |  |
Derivative [Line Items] |  |  |
Gain (loss) from derivative financial instruments | 187,639 | (662,522) | (560,648)
Gain (Loss) from Derivative Financial Instruments | Natural gas price derivatives |  |  |
Derivative [Line Items] |  |  |
Gain (loss) from derivative financial instruments | 187,639 | (662,522) | (555,636)
Gain (Loss) from Derivative Financial Instruments | Oil price derivatives |  |  |
Derivative [Line Items] |  |  |
Gain (loss) from derivative financial instruments |  |  | (7,247)
Gain (Loss) from Derivative Financial Instruments | Interest rate derivatives |  |  |
Derivative [Line Items] |  |  |
Gain (loss) from derivative financial instruments |  |  | $ 2,235

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- Definition Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A + Details
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