Balance Sheet Components - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Accounts receivable and other receivables	$ 2,177	$ 2,171
Prepaid clinical research & development costs	7,280	6,473
Prepaid manufacturing and other research & development costs	10,249	16,196
Other prepaid assets and other current assets	13,073	7,265
Prepaid expenses and other current assets	$ 32,779	$ 32,105