Assets - Property, Plant, and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Property, plant, and equipment
Gross property, plant and equipment	$ 290,984		$ 290,984		$ 279,556
Less: accumulated depreciation and amortization	178,991		178,991		172,275
Net property, plant, and equipment	111,993		111,993		107,281
Depreciation expense	4,000	$ 4,000	8,200	$ 7,700
Land
Property, plant, and equipment
Gross property, plant and equipment	5,061		5,061		5,061
Building and improvements
Property, plant, and equipment
Gross property, plant and equipment	64,151		64,151		64,198
Machinery and equipment
Property, plant, and equipment
Gross property, plant and equipment	166,764		166,764		155,533
Leaseholds improvements
Property, plant, and equipment
Gross property, plant and equipment	$ 55,008		$ 55,008		$ 54,764