Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets
Inventory cost	$ 30,128	$ 32,682
Accrued expenses and accounts receivable	6,511	6,120
Research and development tax credits	11,769	9,613
Net operating loss carryforwards	47,386	43,616
Lease obligations	3,371	3,042
Accrued pension	1,882	3,164
Share based compensation and others	11,295	21,754
Total deferred tax assets, include valuation allowance	112,342	119,991
Valuation allowances	(22,101)	(25,836)
Total deferred tax assets, non-current	90,241	94,155
Deferred tax liabilities
Plant, equipment and intangible assets	(4,773)	(8,003)
Right of use assets	(6,625)	(6,358)
Outside basis differences and others	(14,077)	(28,989)
Total deferred tax liabilities, non-current	(25,475)	(43,350)
Net deferred tax assets	$ 64,766	$ 50,805