Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Deferred tax assets
Inventory cost	$ 32,895	$ 30,128
Accrued expenses and accounts receivable	6,553	6,511
Research and development tax credits	12,864	11,769
Net operating loss carryforwards	46,784	47,386
Lease obligations	4,236	3,371
Accrued pension	227	1,882
Plant, equipment and intangible assets	644	0
Share based compensation and others	21,825	11,295
Total deferred tax assets, include valuation allowance	126,028	112,342
Valuation allowances	(23,876)	(22,101)
Total deferred tax assets, non-current	102,152	90,241
Deferred tax liabilities
Plant, equipment and intangible assets	0	(4,773)
Right of use assets	(7,292)	(6,625)
Outside basis differences and others	(12,940)	(14,077)
Total deferred tax liabilities, non-current	(20,232)	(25,475)
Net deferred tax assets	$ 81,920	$ 64,766