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		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Designated as hedging instrument
Amount of gain (loss) recognized in income on derivatives	$ (684)	$ (7,663)	$ 1,591	$ 5,618
Amount of gain (loss) recognized in income on related hedged items	(624)	8,330	(640)	(3,586)
Designated as hedging instrument | Firm commitments
Amount of gain (loss) recognized in income on related hedged items	(536)	3,389	(423)	(2,146)
Designated as hedging instrument | Inventory
Amount of gain (loss) recognized in income on related hedged items	(88)	4,941	(217)	(1,440)
Not designated as hedging instrument
Amount of gain (loss) recognized in income on derivatives	$ 2,179	$ 18,164	$ 9,428	$ 34,333