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Summary of Significant Accounting Policies - Related Party (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Feb. 29, 2024
Sep. 30, 2025
Sep. 30, 2025
Oct. 31, 2025
Dec. 31, 2024
Aug. 31, 2024
Dec. 06, 2021
Preferred stock shares              
Related Party Transaction [Line Items]              
Investment in equity securities without readily determinable fair value             $ 2.2
Warrants to purchase stock              
Related Party Transaction [Line Items]              
Investment in equity securities without readily determinable fair value             1.8
MyOme, Inc.              
Related Party Transaction [Line Items]              
Investment in equity securities without readily determinable fair value           $ 2.7 $ 4.0
Warrants term 10 years            
Warrants convertible into number of stock shares 3,058,485            
Warrants exercise price (in dollars per share) $ 0.25            
MyOme, Inc. | Series B preferred stock              
Related Party Transaction [Line Items]              
Warrants convertible into number of stock shares 2,080,565            
Warrants exercise price (in dollars per share) $ 0.01            
MyOme, Inc. | Series B preferred stock | Subsequent event              
Related Party Transaction [Line Items]              
Investment commitments       $ 10.0      
MyOme, Inc. | Preferred stock shares              
Related Party Transaction [Line Items]              
Carrying amount of investments   $ 6.6 $ 6.6   $ 4.9    
MyOme, Inc. | Warrants to purchase stock              
Related Party Transaction [Line Items]              
Amortization of non-cash liability   0.4 1.1        
Carrying amount of investments   $ 12.7 $ 12.7   $ 11.2    
Executive chairman | MyOme, Inc.              
Related Party Transaction [Line Items]              
Ownership percentage             21.00%