Property, Plant and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, plant and equipment
Property, plant and equipment, net	$ 166,348	$ 161,017
Machinery and equipment
Property, plant and equipment
Property, plant and equipment, gross	65,918	62,797
Less: accumulated depreciation and amortization	(42,112)	(38,477)
Building
Property, plant and equipment
Property, plant and equipment, gross	125,786	118,550
Less: accumulated depreciation and amortization	(23,339)	(20,403)
Leasehold improvements
Property, plant and equipment
Property, plant and equipment, gross	7,596	7,430
Less: accumulated depreciation and amortization	(5,984)	(5,559)
Construction in progress
Property, plant and equipment
Property, plant and equipment, gross	38,483	36,679
Construction in progress Dingxin and Kazuo locations
Property, plant and equipment
Property, plant and equipment, gross	31,200	27,200
Construction in progress manufacturing equipment purchases
Property, plant and equipment
Property, plant and equipment, gross	3,100	5,400
Construction in progress other consolidated subsidiaries
Property, plant and equipment
Property, plant and equipment, gross	$ 4,200	$ 4,100