Income Taxes - Income Tax Benefit (Expense) Differs from the Amount which would Result by applying the Applicable Statutory Deferral Rate to Income (Loss) before Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Provision at federal statutory rate	$ 731	$ 13,391	$ (24,058)
State taxes	116	1,914	(3,033)
Foreign rate differential	(413)	(4,117)	3,149
Taxes on foreign operations	4,210	557	8,595
Research and development credits	1,151	1,830	2,586
Tax impact from entity dissolution		(2,808)
Change in valuation allowance	41	2,711	4,171
Change in tax rate on deferred tax assets			(1,507)
Section 162(m) limitation	(1,529)	(1,259)	(665)
Deferred tax assets adjustments	(1,242)
Other	(623)	(2,399)	(2,838)
Income tax benefit (expense)	$ 2,442	$ 9,820	$ (13,600)