Income Taxes - Schedule of Effective Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Taxes at the statutory federal rate	$ (87,683)	$ (91,369)	$ (100,553)
Change in valuation allowance	81,080	92,726	114,707
Stock-based compensation	(6,520)	12,012	8,077
Research and development credits	(6,900)	(11,000)	(14,549)
State taxes, net of federal benefits	60	(15,918)	(19,117)
Prior period true-up		7,962	8,212
Other	78	6,871	3,908
Total (benefit from) provision for income taxes	$ (1,263)	$ 1,284	$ 685