Income Taxes - Deferred Tax Assets and Deferred Tax Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Net operating losses	$ 44,053	$ 43,296
Intangible assets	4,314	4,417
Research and development credits	7,127	7,835
Property and equipment	4,800	6,983
Valuation reserves and accrued liabilities	11,221	8,388
Capitalized Research and Development Costs	23,658	19,087
Stock compensation	3,227	3,051
Defined benefit obligation	1,691	1,265
Inventory	181	6,762
Other credits	8,946	10,296
Other	9,154	790
Total deferred tax asset	118,372	112,170
Valuation allowance	(35,888)	(36,671)
Deferred tax liabilities:
Unrealized foreign currency exchange gains		(2,413)
Undistributed profits of subsidiary	(4,609)	(5,981)
Property and equipment	(12,627)	(15,423)
Other	(1,550)	(3,056)
Total deferred tax liability	(18,786)	(26,873)
Net deferred tax asset	$ 63,698	$ 48,626