Quarterly report [Sections 13 or 15(d)]

Related Party Transactions - Additional Information (Details)

v3.25.1
Related Party Transactions - Additional Information (Details)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended
Oct. 31, 2024
USD ($)
Mar. 31, 2025
USD ($)
Mar. 31, 2024
USD ($)
Mar. 31, 2025
USD ($)
shares
Dec. 31, 2024
USD ($)
Other Affiliates          
Related Party Transaction [Line Items]          
Beneficial ownership percentage   0.10   0.10  
Office Space And Certain Utilities And Maintenance Services          
Related Party Transaction [Line Items]          
Related party, amounts of transaction   $ 0.1 $ 0.2    
Subassembly Components | Other Affiliates          
Related Party Transaction [Line Items]          
Related party, amounts of transaction   0.2 $ 0.0    
Finance lease   $ 7.0   $ 7.0 $ 4.1
Toyota Stock Purchase Agreement | Other Affiliates          
Related Party Transaction [Line Items]          
Related party, amounts of transaction $ 500.0        
Sale of stock, number of shares issued in transaction (in shares) | shares       0