Derivative Financial Instruments (Details 2) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Summary of gross liability balances of derivative instruments
Total	$ (13,152)	$ (3,881)
Gross amounts netted in the condensed consolidated balance sheets	0	0
Net amounts presented in the condensed consolidated balance sheets	(13,152)	(3,881)
Current assets
Derivative [Line Items]
Gross amounts of recognized assets	344,150	442,291
Gross amounts netted in the condensed consolidated balance sheets	(338,541)	(442,291)
Oil, natural gas and natural gas liquids (NGL) derivatives	5,609	0
Other assets
Derivative [Line Items]
Gross amounts of recognized assets	227,685	280,397
Gross amounts netted in the condensed consolidated balance sheets	(224,055)	(280,397)
Oil, natural gas and natural gas liquids (NGL) derivatives	3,630	0
Current liabilities
Summary of gross liability balances of derivative instruments
Gross amounts of recognized liabilities	(355,669)	(444,188)
Gross amounts netted in the condensed consolidated balance sheet	338,541	442,291
Oil, natural gas and natural gas liquids (NGL) derivatives	(17,128)	(1,897)
Other liabilities
Summary of gross liability balances of derivative instruments
Gross amounts of recognized liabilities	(229,318)	(282,381)
Gross amounts netted in the condensed consolidated balance sheet	224,055	280,397
Oil, natural gas and natural gas liquids (NGL) derivatives	$ (5,263)	$ (1,984)

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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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