Financial Instruments and Risk Management - Recognized Gains and Losses for Derivative Instruments Not Designated as Hedging Instruments (Details) - Not Designated as Hedging Instrument - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Commodity swaps
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instruments	$ 0	$ 50,089	$ 0	$ (152,822)
Commodity collars
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instruments	$ 0	$ 65,102	$ 0	$ (155,832)