Property, Plant and Equipment, Net (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Property, plant and equipment
Property, plant and equipment, net	$ 159,035		$ 159,721
Depreciation and amortization	2,223	$ 2,192
Machinery and equipment
Property, plant and equipment
Property, plant and equipment, gross	67,437		67,917
Less: accumulated depreciation and amortization	(44,231)		(44,065)
Building
Property, plant and equipment
Property, plant and equipment, gross	138,269		137,420
Less: accumulated depreciation and amortization	(27,445)		(26,310)
Leasehold improvements
Property, plant and equipment
Property, plant and equipment, gross	7,649		7,575
Less: accumulated depreciation and amortization	(6,450)		(6,347)
Construction in progress
Property, plant and equipment
Property, plant and equipment, gross	23,806		23,531
Construction in progress Dingxin and Kazuo locations
Property, plant and equipment
Property, plant and equipment, gross	18,300		17,900
Construction in progress manufacturing equipment purchases
Property, plant and equipment
Property, plant and equipment, gross	1,200		1,400
Construction in progress other consolidated subsidiaries
Property, plant and equipment
Property, plant and equipment, gross	$ 4,300		$ 4,300