Property, Plant and Equipment, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Property, plant and equipment
Property, plant and equipment, net	$ 159,721	$ 166,348
Depreciation and amortization	8,979	8,722	$ 8,119
Machinery and equipment
Property, plant and equipment
Property, plant and equipment, gross	67,917	65,918
Less: accumulated depreciation and amortization	(44,065)	(42,112)
Building
Property, plant and equipment
Property, plant and equipment, gross	137,420	125,786
Less: accumulated depreciation and amortization	(26,310)	(23,339)
Leasehold improvements
Property, plant and equipment
Property, plant and equipment, gross	7,575	7,596
Less: accumulated depreciation and amortization	(6,347)	(5,984)
Construction in progress
Property, plant and equipment
Property, plant and equipment, gross	23,531	38,483
Construction in progress Dingxin and Kazuo locations
Property, plant and equipment
Property, plant and equipment, gross	17,900	31,200
Construction in progress manufacturing equipment purchases
Property, plant and equipment
Property, plant and equipment, gross	1,400	3,100
Construction in progress other consolidated subsidiaries
Property, plant and equipment
Property, plant and equipment, gross	$ 4,300	$ 4,200