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Revenue from Contracts with Customers (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Disaggregation of Revenue [line Items]
Net sales	$ 130,654	$ 158,992	$ 404,565	$ 483,355
Long-term Contract with Customer
Disaggregation of Revenue [line Items]
Net sales	22,697	66,344	85,386	212,579
Short-term Contract with Customer
Disaggregation of Revenue [line Items]
Net sales	97,198	88,629	283,303	246,726
By-products and other
Disaggregation of Revenue [line Items]
Net sales	$ 10,759	$ 4,019	$ 35,876	$ 24,050

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