Derivative Instruments - Impact of Netting Agreements and Margin Deposits (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Asset derivative instruments, at fair value
Gross derivative instruments recorded in the Condensed Consolidated Balance Sheets	$ 1,466,800	$ 543,337
Liability derivative instruments, at fair value
Gross derivative instruments recorded in the Condensed Consolidated Balance Sheets	4,214,888	2,413,608
Commodity derivatives
Asset derivative instruments, at fair value
Gross derivative instruments recorded in the Condensed Consolidated Balance Sheets	1,466,800	543,337
Derivative instruments subject to master netting agreements	(1,404,502)	(468,266)
Margin requirements with counterparties	0	0
Net derivative instruments	62,298	75,071
Liability derivative instruments, at fair value
Gross derivative instruments recorded in the Condensed Consolidated Balance Sheets	4,214,888	2,413,608
Derivative instruments subject to master netting agreements	(1,404,502)	(468,266)
Margin requirements with counterparties	(187,933)	(147,773)
Net derivative instruments	$ 2,622,453	$ 1,797,569

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

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