Held for Sale and Discontinued Operations (Net Sales and Operating Loss for Held for Sale Operations) (Details) - Processing Business - Disposal Group, Held-for-sale, Not Discontinued Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales	$ 1,823	$ 4,973
Operating loss	$ (2,525)	$ (749)