Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Amount
U.S. federal statutory tax	$ (57,634)
Change in valuation allowance	53,781
Stock-based compensation	5,830
Fair value adjustment on PIPE	4,029
Other nondeductible items	(2,314)
R&D Tax credits	(3,563)
Worldwide changes in UTB	(115)
Other	(14)
Effective income tax rate	$ 0
Percent
U.S. federal statutory tax	21.00%	21.00%	21.00%
Change in valuation allowance	(19.60%)	(20.39%)	(29.10%)
Stock-based compensation	(2.12%)	(2.17%)	(2.25%)
Fair value adjustment on PIPE	(1.47%)
Other nondeductible items	0.84%
Tax credits	1.30%	2.23%	2.96%
Worldwide changes in UTB	0.04%
Other	0.01%	0.06%	(0.06%)
Effective income tax rate	0.00%	0.00%	0.00%