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Derivative Instruments - Effect of Derivative Instruments on the Condensed Consolidated Balance Sheet (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Effect of derivative instruments on the Consolidated Balance Sheet |  |
Derivative Assets | $ 0 | $ 26,209
Derivatives Not Designated as Hedges | Commodity contracts |  |
Effect of derivative instruments on the Consolidated Balance Sheet |  |
Derivative Assets | 0 | 26,209
Derivative Liabilities | 214,131 | 0
Derivative instruments (current) | Derivatives Not Designated as Hedges | Commodity contracts |  |
Effect of derivative instruments on the Consolidated Balance Sheet |  |
Derivative Assets | 0 | 26,209
Derivative Liabilities | 212,894 | 0
Other liabilities (non-current) | Derivatives Not Designated as Hedges | Commodity contracts |  |
Effect of derivative instruments on the Consolidated Balance Sheet |  |
Derivative Assets | 0 | 0
Derivative Liabilities | $ 1,237 | $ 0

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- Definition Fair value, after the 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 not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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