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Nature of Business and Liquidity - Additional Information (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2025
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Line Items]                    
Aggregate gross proceeds from sale of common stock, convertible preferred stock and convertible notes               $ 401,800    
Aggregate gross proceeds from issuance and sale of common stock $ 601,700                  
Net loss   $ (21,618) $ (19,411) $ (23,880) $ (18,142) $ (15,857) $ (12,337) (64,909) $ (46,336) $ (61,900)
Accumulated deficit 202,414 202,414           202,414   $ 137,505
Cash, cash equivalents and marketable securities $ 391,700 $ 391,700           $ 391,700    
Underwritten Public Offering | Common Stock                    
Organization, Consolidation and Presentation of Financial Statements [Line Items]                    
Number of shares sold 11,108,055                  
Aggregate gross proceeds from underwritten public offering $ 199,900