Property, Plant and Equipment - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, at cost	$ 52,590	$ 51,425
Accumulated depreciation	(35,246)	(31,244)
Property, plant and equipment, net	17,344	20,181
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, at cost	7,107	6,725
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, at cost	44,358	43,030
Construction in progress
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, at cost	$ 1,125	$ 1,670