v3.26.3
Nature of Business and Basis of Presentation - Additional Information (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended 24 Months Ended
Apr. 24, 2026
Sep. 30, 2026
USD ($)
$ / shares
shares
Jun. 30, 2026
USD ($)
$ / shares
shares
Mar. 31, 2026
USD ($)
Sep. 30, 2025
USD ($)
Jun. 30, 2025
USD ($)
Mar. 31, 2025
USD ($)
Sep. 30, 2026
USD ($)
$ / shares
shares
Sep. 30, 2025
USD ($)
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
$ / shares
shares
Organization, consolidation and presentation of financial statement [Line Items]                      
Reverse stock split the Company effected a 1-for-3.1407 reverse stock split of its issued and outstanding shares of common stock and a proportional adjustment to the existing conversion ratios of each series of the Company’s convertible preferred stock.                    
Stock split ratio 0.3184                    
Net proceeds after deducting underwriting discounts, commissions and other estimated offering expenses | $               $ 239,241 $ 0    
Common stock, shares authorized   700,000,000           700,000,000     159,070,000
Common stock, par value | $ / shares   $ 0.0001           $ 0.0001     $ 0.0001
Preferred stock, shares authorized   10,000,000           10,000,000     0
Preferred stock, par value | $ / shares   $ 0.0001           $ 0.0001     $ 0.0001
Net loss | $   $ 26,394 $ 62,600 $ 25,408 $ 22,544 $ 15,077 $ 13,125 $ 114,402 $ 50,746    
Accumulated deficit | $   228,511           228,511     $ 114,109
Cash, cash equivalents and investments | $   $ 403,800           $ 403,800      
Series A and Series B Preferred Stock                      
Organization, consolidation and presentation of financial statement [Line Items]                      
Aggregate gross proceeds from financings | $                   $ 326,100  
Common Stock                      
Organization, consolidation and presentation of financial statement [Line Items]                      
Shares issued and sold     14,446,658                
Conversion of stock, shares converted     36,272,475                
Common Stock | IPO                      
Organization, consolidation and presentation of financial statement [Line Items]                      
Shares issued and sold     14,446,658                
Public offering price | $ / shares     $ 18                
Net proceeds after deducting underwriting discounts, commissions and other estimated offering expenses | $     $ 238,400                
Common stock, shares authorized     700,000,000                
Common stock, par value | $ / shares     $ 0.0001                
Common Stock | Voting Common Stock | IPO                      
Organization, consolidation and presentation of financial statement [Line Items]                      
Common stock, shares authorized     500,000,000                
Common Stock | Non-Voting Common Stock | IPO                      
Organization, consolidation and presentation of financial statement [Line Items]                      
Common stock, shares authorized     200,000,000                
Preferred Stock | IPO                      
Organization, consolidation and presentation of financial statement [Line Items]                      
Preferred stock, shares authorized     10,000,000                
Preferred stock, par value | $ / shares     $ 0.0001