Fair Value of Derivative and Balance Sheet Location (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Derivatives, Fair Value
Derivative Asset, Fair Value, Gross Asset	$ 237,038	$ 31,824
Derivative liability, gross	60,820	3,613
Current Assets
Derivatives, Fair Value
Fair Value of Derivatives	30	312
Derivative Asset, Fair Value, Gross Asset	222,319	28,078
Current Liabilities
Derivatives, Fair Value
Fair Value of Derivatives	12,901	2,392
Derivative liability, gross	25,993	2,921
Non Current Liabilities
Derivatives, Fair Value
Fair Value of Derivatives	3,135	0
Derivative liability, gross	34,827	692
Commodity Contracts Related to Natural Gas and Crude Oil Sales \| Current Assets
Derivatives, Fair Value
Fair Value of Derivatives	222,289	27,766
Commodity Contracts Related to Natural Gas and Crude Oil Sales \| Non Current Assets
Derivatives, Fair Value
Fair Value of Derivatives	14,719	3,746
Commodity Contracts Related to Natural Gas and Crude Oil Sales \| Current Liabilities
Derivatives, Fair Value
Fair Value of Derivatives	13,092	529
Commodity Contracts Related to Natural Gas and Crude Oil Sales \| Non Current Liabilities
Derivatives, Fair Value
Derivative liability, gross	$ 31,692	$ 692

Fair value, before effects of master netting arrangements, of a 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. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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