Derivative Instruments - Fair value gains (losses) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Summary of realized and unrealized gains (losses) on derivative instruments
Derivative fair value gains (losses)	$ 9,446	$ 126,192
Loss on early settlement of natural gas swaption agreement		202,339
Commodity derivatives
Summary of realized and unrealized gains (losses) on derivative instruments
Loss on early settlement of natural gas swaption agreement		202,000
Commodity derivatives | Revenue.
Summary of realized and unrealized gains (losses) on derivative instruments
Derivative fair value gains (losses)	8,266	127,080
Embedded derivatives | Revenue.
Summary of realized and unrealized gains (losses) on derivative instruments
Derivative fair value gains (losses)	$ 1,180	$ (888)