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, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Designated as hedging instrument
Amount of gain (loss) recognized in income on derivatives	$ (7,663)	$ (5,205)	$ 5,618	$ 4,765
Amount of gain (loss) recognized in income on related hedged items	8,330	4,904	(3,586)	(1,518)
Designated as hedging instrument | Firm commitments
Amount of gain (loss) recognized in income on related hedged items	3,389	4,404	(2,146)	187
Designated as hedging instrument | Inventory
Amount of gain (loss) recognized in income on related hedged items	4,941	500	(1,440)	(1,705)
Not designated as hedging instrument
Amount of gain (loss) recognized in income on derivatives	$ 18,164	$ 12,160	$ 34,333	$ (33,620)