Geographic Information - Net Sales to External Customers Based Upon Geographic Location (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 358,831	$ 345,765	$ 337,814
United States and Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	148,642	137,190	127,661
Americas-Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	18,627	17,233	12,973
Germany
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	47,954	41,485	48,772
EMEA-Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	60,344	56,688	55,577
Japan
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	21,099	21,661	25,997
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	34,423	43,108	40,808
Asia-Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 27,742	$ 28,400	$ 26,026