Property, Plant and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 412,884	$ 393,147
Less:  Accumulated depreciation	(292,162)	(277,536)
Total property, plant and equipment	120,722	115,611
Capitalized Computer Software, Gross	50,000	49,400
Capitalized Computer Software, Accumulated Amortization	(47,100)	(45,700)
Capitalized Computer Software, Amortization	1,700	2,100	$ 3,300
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	4,027	4,027
Building and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	100,299	97,214
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	283,470	269,745
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 25,088	$ 22,161