Derivative Instruments - Fair Value of Derivative Instruments Balance Sheet Classification (Details) - Not Designated as Hedging Instrument - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Prepaid and other current assets
Derivative Assets
Gross Fair Value Asset/Liability Amounts	$ 3,387	$ 6,131
Gross Amounts Offset	(3,387)	(6,131)
Net Recognized Fair Value Assets/Liabilities	0	0
Noncurrent Assets [Member]
Derivative Assets
Gross Fair Value Asset/Liability Amounts	49	152
Gross Amounts Offset	(49)	(100)
Net Recognized Fair Value Assets/Liabilities	0	52
Other current liabilities
Derivative Liabilities
Gross Fair Value Asset/Liability Amounts	79,759	24,392
Gross Amounts Offset	(3,387)	(6,131)
Net Recognized Fair Value Assets/Liabilities	76,372	18,261
Non Current Liabilities [Member]
Derivative Liabilities
Gross Fair Value Asset/Liability Amounts	3,377	100
Gross Amounts Offset	(49)	(100)
Net Recognized Fair Value Assets/Liabilities	$ 3,328	$ 0

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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