Derivative Financial Instruments and Hedging Activities - Schedule of Gains and Losses from Derivative Financial Instruments (Detail) - USD ($) $ in Thousands	12 Months Ended
	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