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Derivative Instruments - Balance Sheet Location (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Not Designated as Hedging Instrument |  |
Derivatives, Fair Value |  |
Derivative asset fair value | $ 982 | $ 615
Derivative liability fair value | 161 | 81
Commodity derivative contracts | Not Designated as Hedging Instrument | Prepaid and other current assets |  |
Derivatives, Fair Value |  |
Derivative asset fair value | 165 | 376
Commodity derivative contracts | Not Designated as Hedging Instrument | Other current liabilities |  |
Derivatives, Fair Value |  |
Derivative liability fair value | 0 | 0
Foreign currency derivatives | Not Designated as Hedging Instrument | Prepaid and other current assets |  |
Derivatives, Fair Value |  |
Derivative asset fair value | 817 | 239
Foreign currency derivatives | Not Designated as Hedging Instrument | Other current liabilities |  |
Derivatives, Fair Value |  |
Derivative liability fair value | 161 | 81
Cash Flow Hedging | Commodity derivative contracts | Designated as Hedging Instrument |  |
Derivatives, Fair Value |  |
Derivative asset fair value | 1 | 3,410
Derivative liability fair value | 22,253 | 4,199
Cash Flow Hedging | Commodity derivative contracts | Designated as Hedging Instrument | Prepaid and other current assets |  |
Derivatives, Fair Value |  |
Derivative asset fair value | 1 | 104
Cash Flow Hedging | Commodity derivative contracts | Designated as Hedging Instrument | Other accrued liabilities |  |
Derivatives, Fair Value |  |
Derivative liability fair value | 4,653 | 1,872
Cash Flow Hedging | Commodity derivative contracts | Designated as Hedging Instrument | Other long-term assets |  |
Derivatives, Fair Value |  |
Derivative asset fair value | 0 | 369
Cash Flow Hedging | Commodity derivative contracts | Designated as Hedging Instrument | Other long-term obligations |  |
Derivatives, Fair Value |  |
Derivative liability fair value | 4,261 | 2,255
Cash Flow Hedging | Interest rate swap contract | Designated as Hedging Instrument | Prepaid and other current assets |  |
Derivatives, Fair Value |  |
Derivative asset fair value | 0 | 253
Cash Flow Hedging | Interest rate swap contract | Designated as Hedging Instrument | Other accrued liabilities |  |
Derivatives, Fair Value |  |
Derivative liability fair value | 5,730 | 0
Cash Flow Hedging | Interest rate swap contract | Designated as Hedging Instrument | Other long-term assets |  |
Derivatives, Fair Value |  |
Derivative asset fair value | 0 | 2,684
Cash Flow Hedging | Interest rate swap contract | Designated as Hedging Instrument | Other long-term obligations |  |
Derivatives, Fair Value |  |
Derivative liability fair value | $ 7,609 | $ 72

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