v3.26.3
Summary of Significant Accounting Policies - Effect of Change in Accounting Estimate (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Product Information [Line Items]        
Loss from operations $ (13,579) $ (35,134) $ (41,113) $ (69,703)
Net loss (12,807) (33,971) (38,394) (61,772)
Comprehensive loss $ (12,807) $ (33,971) $ (38,394) $ (61,772)
Net loss per common share attributable to Class A and B common stockholders - basic (in dollars per share) $ (0.05) $ (0.13) $ (0.15) $ (0.25)
Net loss per common share attributable to Class A and B common stockholders - diluted (in dollars per share) $ (0.05) $ (0.13) $ (0.15) $ (0.25)
Revise in estimate of net realizable value in inventory and demand and future use of inventory        
Product Information [Line Items]        
Loss from operations $ (600)   $ 2,150  
Net loss (600)   2,150  
Comprehensive loss $ (600)   $ 2,150  
Net loss per common share attributable to Class A and B common stockholders - basic (in dollars per share) $ 0   $ 0.01  
Net loss per common share attributable to Class A and B common stockholders - diluted (in dollars per share) $ 0   $ 0.01