Income Taxes - Schedule of Reconciliation of Federal Statutory Rate on Loss before Income Taxes and before Gain from Sale of Equity Method Investment Rate to Effective Income Tax Rate (Detail) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
US federal statutory income tax rate, Amount		$ 19,860	$ 2,202	$ 12,651
Tax credits, Research and development, Amount		(3,289)	(3,729)	(4,362)
Tax credits, Other, Amount		23	7	(72)
Nontaxable and nondeductible items, Stock-based compensation, Amount		1,123	520	417
Nontaxable and nondeductible items, Meals and entertainment, Amount		350	313	376
Nontaxable and nondeductible items, Other, Amount		153	32	36
Cross-border tax laws, Foreign derived intangible income, Amount		(177)	(1,745)	(4,068)
Cross-border tax laws, Other, Amount		374	42	72
Excess tax benefits on share-based payments, Amount		(2,552)	(3,235)	(2,298)
Changes in tax laws or rates enacted in the current period, Amount		0	0	0
Changes in valuation allowances, Amount		(41,000)	9,404	2,801
Other, Amount		(8)	(30)	(363)
Domestic state and local income taxes, net of federal effect, Amount	[1]	762	766	1,361
Foreign tax effects, Amount		204	113	17
Worldwide changes in prior year unrecognized tax benefits, Amount		152	(312)	76
Provision (benefit) for income taxes		$ (24,025)	$ 4,348	$ 6,644
US federal statutory income tax rate, Percent		21.00%	21.00%	21.00%
Tax credits, Research and development, Amount, Percent		(3.50%)	(35.60%)	(7.20%)
Tax credits, Other, Percent		0.00%	0.10%	(0.10%)
Nontaxable and nondeductible items, Stock-based compensation, Percent		1.20%	5.00%	0.70%
Nontaxable and nondeductible items, Meals and entertainment, Percent		0.40%	3.00%	0.60%
Nontaxable and nondeductible items, Other, Percent		0.20%	0.30%	0.10%
Cross-border tax laws, Foreign derived intangible income, Percent		(0.20%)	(16.60%)	(6.80%)
Cross-border tax laws, Other, Percent		0.40%	0.40%	0.10%
Excess tax benefits on share-based payments, Percent		(2.70%)	(30.80%)	(3.80%)
Changes in tax laws or rates enacted in the current period, Percent		0.00%	0.00%	0.00%
Changes in valuation allowances, Percent		(43.40%)	89.70%	4.60%
Other, Percent		0.00%	(0.40%)	(0.60%)
Domestic state and local income taxes, net of federal effect, Percent	[1]	0.80%	7.30%	2.30%
Foreign tax effects, Percent		0.20%	1.10%	0.00%
Worldwide changes in prior year unrecognized tax benefits, Percent		0.20%	(3.00%)	0.10%
Total, Percent		(25.40%)	41.50%	11.00%

[1] In 2025, state and local taxes in California comprise the majority (greater than 50%) of the tax effect, net of federal benefit, in this category. In 2024, state and local income taxes in Minnesota, Massachusetts, and Texas comprise the majority of the tax effect, net of federal benefit, in this category. In 2023, state and local income taxes in Minnesota, New York, and Massachusetts comprise the majority of the tax effect, net of federal benefit, in this category.