v3.26.1
Related Party Transactions - Narrative (Details) - USD ($)
3 Months Ended 12 Months Ended
Jul. 25, 2024
Aug. 31, 2024
May 31, 2026
May 31, 2025
May 31, 2024
May 29, 2026
May 27, 2026
Apr. 16, 2026
Mar. 18, 2026
Feb. 26, 2026
Related Party Transaction [Line Items]                    
Guarantee agreement termination payment           $ 37,000,000.0        
Prepaid expenses and other current assets [1]     $ 613,692,000 $ 9,652,000            
Base Electron, Inc. | B&W Warrant                    
Related Party Transaction [Line Items]                    
Right to purchase (in shares)                 5,230,000  
Related Party                    
Related Party Transaction [Line Items]                    
Promissory note amount           $ 100,000,000.0 $ 50,000,000.0 $ 15,900,000    
Prepaid expenses and other current assets     58,600,000              
Services revenue     0 1,926,000 $ 14,761,000          
Related Party | Construction And Consulting Costs                    
Related Party Transaction [Line Items]                    
Transaction fees         300,000          
Related Party | Software License Fees                    
Related Party Transaction [Line Items]                    
Transaction fees     300,000 300,000 200,000          
Related Party | Consulting Fees                    
Related Party Transaction [Line Items]                    
Transaction fees         43,300          
Base Electron, Inc.                    
Related Party Transaction [Line Items]                    
Outstanding ownership percentage                   10.00%
Investment amount without readily determinable fair value     2,000,000.0              
Customer E                    
Related Party Transaction [Line Items]                    
Related party ownership interests (as percent) 5.00% 5.00%                
Customer E | Related Party                    
Related Party Transaction [Line Items]                    
Services revenue     0 1,244,000 8,005,000          
Customer F                    
Related Party Transaction [Line Items]                    
Related party ownership interests (as percent)   60.00%                
Customer F | Related Party                    
Related Party Transaction [Line Items]                    
Services revenue     $ 0 $ 682,000 $ 6,756,000          
Customer F by Individual                    
Related Party Transaction [Line Items]                    
Related party ownership interests (as percent) 5.00% 5.00%                
[1] Includes a related party loan receivable of $58.6 million as of May 31, 2026. See Note 7 - Related Party Transactions for further discussion.