Derivative Instruments - Gains (Losses) on Derivative Instruments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Derivative Instruments, Gain (Loss) [Line Items]
Gain on derivatives, net	$ 12,397	$ 18,904	$ 57,460	$ 25,928
Total current period settlements on derivatives	(8,708)	795	(21,844)	(390)
Gain on non-trading derivatives, net
Derivative Instruments, Gain (Loss) [Line Items]
Gain on derivatives, net	12,067	18,898	55,983	25,952
Total current period settlements on derivatives	(8,679)	795	(21,999)	(394)
Gain (loss) on trading derivatives, net | Non-cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain on derivatives, net	330	6	1,477	(24)
Total current period settlements on derivatives	$ (29)	$ 0	$ 155	$ 4