Derivative Financial Instruments (Details 2) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Summary of gross liability balances of derivative instruments
Total	$ (79,312)	$ (35,889)
Gross amounts netted in the condensed consolidated balance sheets	0	0
Net amounts presented in the condensed consolidated balance sheets	(79,312)	(35,889)
Current assets
Derivative [Line Items]
Gross amounts of recognized assets	377,949	382,328
Gross amounts netted in the condensed consolidated balance sheets	(373,878)	(375,601)
Oil, natural gas and natural gas liquids (NGL) derivatives	4,071	6,727
Other assets
Derivative [Line Items]
Gross amounts of recognized assets	128,755	150,194
Gross amounts netted in the condensed consolidated balance sheets	(128,333)	(147,624)
Oil, natural gas and natural gas liquids (NGL) derivatives	422	2,570
Current liabilities
Summary of gross liability balances of derivative instruments
Gross amounts of recognized liabilities	(457,683)	(420,787)
Gross amounts netted in the condensed consolidated balance sheet	373,878	375,601
Oil, natural gas and natural gas liquids (NGL) derivatives	(83,805)	(45,186)
Other liabilities
Summary of gross liability balances of derivative instruments
Gross amounts of recognized liabilities	(128,333)	(147,624)
Gross amounts netted in the condensed consolidated balance sheet	128,333	147,624
Oil, natural gas and natural gas liquids (NGL) derivatives	$ 0	$ 0

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Derivative Asset (Liability) Subject to Master Netting Arrangement

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Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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