Income Taxes - Schedule of Reconciliation Between Federal Statutory Rate and Effective Income Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Amount
Provision at US federal statutory rate	$ (91,933)
State and local income taxes, net of federal income tax effect	9
Foreign tax effects	(2,224)
Effect of cross-border tax laws: GILTI	3,559
Tax credits: research and development credit	(3,904)
Change in valuation allowance	76,305
Nontaxable or nondeductible items
Stock-based compensation	15,335
Other permanent items	3,169
Changes in unrecognized tax benefits	1,025
Other adjustments	(1,124)
(Provision for) benefit from income taxes	$ 217	$ (1,145)	$ (13,077)
Percent
U.S. federal statutory income tax rate	21.00%	21.00%	21.00%
State taxes, net of federal benefit	0.00%	(0.70%)	5.30%
Foreign tax at less than federal statutory rate	0.51%	(0.10%)	0.00%
Effect of cross-border tax laws: GILTI	(0.81%)
Tax credits: research and development credit	0.89%	2.40%	2.40%
Permanent items		(2.40%)	(1.60%)
Changes in valuation allowance	(17.43%)	(18.50%)	(24.20%)
Nontaxable or nondeductible items
Stock-based compensation	(3.50%)
Other permanent items	(0.72%)
Changes in unrecognized tax benefits	(0.23%)
Other adjustments	0.26%	(1.50%)	(0.80%)
Effective income tax rate	(0.03%)	0.20%	2.10%