Property, Plant, and Equipment (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Property, Plant, and Equipment
Depreciation expense	$ 23,815	$ 22,196	$ 20,491
Interest Costs Capitalized	$ 1,400	$ 1,400	$ 1,800