Derivative Instruments - Impact of Netting Agreements and Margin Deposits (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Asset derivative instruments, at fair value
Gross derivative instruments recorded in the Condensed Consolidated Balance Sheets	$ 577,926	$ 812,371
Liability derivative instruments, at fair value
Gross derivative instruments recorded in the Condensed Consolidated Balance Sheets	274,684	1,393,487
Commodity derivatives
Asset derivative instruments, at fair value
Gross derivative instruments recorded in the Condensed Consolidated Balance Sheets	577,926	812,371
Derivative instruments subject to master netting agreements	(198,511)	(756,495)
Margin requirements with counterparties	0	0
Net derivative instruments	379,415	55,876
Liability derivative instruments, at fair value
Gross derivative instruments recorded in the Condensed Consolidated Balance Sheets	274,684	1,393,487
Derivative instruments subject to master netting agreements	(198,511)	(756,495)
Margin requirements with counterparties	(14,570)	(100,623)
Net derivative instruments	$ 61,603	$ 536,369

Amount of obligation to return cash collateral under master netting arrangements offset against derivative assets.

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