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Derivative Instruments - Income Statement (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Commodity Forward Derivative | Designated as Hedging Instrument [Member] | Cost of sales |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Amount of (Gain)/Loss Recognized | $ 1,130 | $ 2,000 | $ 3,939 | $ 3,848
Foreign currency derivatives | Not Designated as Hedging Instrument [Member] | Cost Of Good Sold Other Expense Income [Member] |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Amount of (Gain)/Loss Recognized | 217 | 144 | 716 | 821
Commodity Contract [Member] | Not Designated as Hedging Instrument [Member] | Interest expense |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Amount of (Gain)/Loss Recognized | (25) |  | 114 | 0
Interest rate swap contract | Designated as Hedging Instrument [Member] | Interest expense |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Amount of (Gain)/Loss Recognized | $ (1,521) | $ 0 | $ (1,315) | $ 0

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959 + Details
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