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Derivative Financial Instruments (Schedule of Derivatives Instruments Statements of Financial Position) (Details) - Commodity contract - Futures - Cost of goods sold - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Designated as hedging instrument |  |
Amount of gain (loss) recognized in income on derivatives | $ (155) | $ 1,326
Amount of gain (loss) recognized in income on related hedged items | 616 | (1,576)
Designated as hedging instrument | Firm commitments |  |
Amount of gain (loss) recognized in income on related hedged items | 377 | (1,192)
Designated as hedging instrument | Inventory |  |
Amount of gain (loss) recognized in income on related hedged items | 239 | (384)
Not designated as hedging instrument |  |
Amount of gain (loss) recognized in income on derivatives | $ (11,390) | $ (11,221)

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