v3.26.1
Segment Information - Summary Of Segment Loss And Significant Segment Expenses (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Segment Reporting Information [Line Items]    
Direct research and development expenses $ 22,889 $ 15,319
General and administrative 5,020 3,397
Net Income (Loss) (26,869) (17,503)
Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Other segment items [1] 216 (661)
Net Income (Loss) 26,869 17,503
Operating Segments [Member] | Personnel Related    
Segment Reporting Information [Line Items]    
Direct research and development expenses 4,063 2,867
General and administrative 2,280 1,459
Operating Segments [Member] | Facility and Information Technology    
Segment Reporting Information [Line Items]    
Direct research and development expenses 320 270
General and administrative 293 147
Operating Segments [Member] | General Corporate Expenses And Professional Fees    
Segment Reporting Information [Line Items]    
General and administrative 1,595 1,402
AP01 | Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Direct research and development expenses 13,155 10,939
AP02 | Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Direct research and development expenses 4,719 729
AP03 | Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Direct research and development expenses $ 228 $ 351
[1] For the three months ended March 31, 2026, other segment items consist of $0.9 million of interest income, $0.2 million accretion of marketable securities, $1.2 million of stock-based compensation expense, $0.1 million of interest expense and less than $0.1 million of depreciation expense and other expenses. For the three months ended March 31, 2025, other segment items consist of $0.7 million of interest income, $0.6 million accretion of marketable securities, $0.5 million of stock-based compensation expense, and less than $0.1 million of depreciation expense and other expenses.