v3.26.1
Financing Agreement - Narrative (Details)
$ in Thousands, ¥ in Millions
1 Months Ended 3 Months Ended 9 Months Ended 11 Months Ended 12 Months Ended
Aug. 13, 2025
USD ($)
Feb. 14, 2025
USD ($)
Nov. 26, 2024
Aug. 07, 2024
USD ($)
Feb. 28, 2026
USD ($)
Aug. 31, 2025
USD ($)
May 31, 2025
USD ($)
Sep. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Jun. 30, 2026
CNY (¥)
May 31, 2025
CNY (¥)
Line of Credit Facility [Line Items]                            
Long-term line of credit                 $ 181,400   $ 181,400      
Repayments of credit facility                 117,891 $ 201,625        
Credit facility               $ 40,000 40,000   40,000 $ 40,000    
Sarepta | Sarepta Collaboration Agreement                            
Line of Credit Facility [Line Items]                            
Upfront payment $ 50,000 $ 500,000     $ 50,000 $ 50,000   50,000            
Financing Agreement | Line of Credit                            
Line of Credit Facility [Line Items]                            
Interest rate       15.00%                    
Secured Debt | Financing Agreement | Line of Credit                            
Line of Credit Facility [Line Items]                            
Maximum borrowing capacity       $ 500,000                    
Long-term line of credit       400,000                    
Line of credit facility, remaining borrowing capacity       $ 100,000                    
Multiple of invested capital rate       2                    
Basis spread on variable rate       0.50%                    
Repayments of credit facility                 319,516   319,500 201,625    
Covenant, minimum liquidity cash, cash equivalents and investments                 250,000   250,000      
Covenant, market capitalization threshold                 2,000,000   2,000,000      
Covenant, convertible indebtedness outstanding maximum                 $ 300,000   $ 300,000      
Covenant, convertible indebtedness outstanding, marked capitalization percentage, maximum                 10.00%   10.00%   10.00%  
Covenant, aggregate convertible indebtedness outstanding, maximum                 $ 700,000   $ 700,000      
Credit facility               $ 40,000 40,000   40,000 $ 40,000    
Secured Debt | Financing Agreement, MOIC Payment | Line of Credit                            
Line of Credit Facility [Line Items]                            
Multiple of invested capital rate       2.5                    
Debt instrument, prepayment percentage     50.00%                      
Repayments of credit facility                     158,900      
MOIC payments expected to be applied to principal upon repayment                 33,300   33,300      
Secured Debt | Financing Agreement, Initial Term Loan | Line of Credit                            
Line of Credit Facility [Line Items]                            
Debt instrument, prepayment percentage     50.00%                      
Revolving Credit Facility | Line of Credit                            
Line of Credit Facility [Line Items]                            
Maximum borrowing capacity             $ 10,700             ¥ 72.9
Interest rate             4.10%             4.10%
Debt instrument term             12 months              
Credit facility                 $ 3,200   $ 3,200   ¥ 22.1