Assets - Property, Plant, and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Property, plant, and equipment
Gross property, plant and equipment	$ 302,173		$ 300,833
Less: accumulated depreciation and amortization	186,876		182,374
Net property, plant, and equipment	115,297		118,459
Depreciation expense	4,500	$ 4,200
Land
Property, plant, and equipment
Gross property, plant and equipment	5,061		5,061
Building and improvements
Property, plant, and equipment
Gross property, plant and equipment	61,292		61,679
Machinery and equipment
Property, plant, and equipment
Gross property, plant and equipment	182,811		181,180
Leaseholds improvements
Property, plant, and equipment
Gross property, plant and equipment	$ 53,009		$ 52,913