v3.26.3
Nature of the business and basis of presentation (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Net loss $ 70,607 $ 84,508  
Accumulated deficit 809,300   $ 738,693
Cash, cash equivalents and marketable securities $ 274,700