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Property, Plant, and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Property, Plant & Equipment
Total	$ 209,333	$ 200,525
Less accumulated depreciation	(128,148)	(117,258)
Property, plant and equipment, net	81,185	83,267
Purchase commitments for capital expenditures in progress	1,100	2,812
Accounts payable	23,958	29,586
Depreciation expense	11,229	9,655	$ 9,181
Accounts Payable, Current
Property, Plant & Equipment
Purchase commitments for capital expenditures in progress	298	868
Land and land improvements
Property, Plant & Equipment
Total	6,009	6,009
Building and improvements
Property, Plant & Equipment
Total	45,775	44,490
Machinery and equipment
Property, Plant & Equipment
Total	152,063	139,408
Tools, dies and patterns
Property, Plant & Equipment
Total	3,222	3,222
Additions in progress
Property, Plant & Equipment
Total	$ 2,264	$ 7,396

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