v3.26.1
Fair Value of Financial Instruments - Schedule of Cash, Cash Equivalents and Investments Classified by Security Type (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Sep. 30, 2025
Schedule of Cash, Cash Equivalents and Investments Classified by Security Type [Line Items]    
Adjusted cost $ 328,133 $ 251,544
Gross unrealized gains 360 393
Gross unrealized losses
Fair value 328,493 251,937
Cash and cash equivalents 138,023 185,574
Short-term investments 190,470 66,363
Cash [Member]    
Schedule of Cash, Cash Equivalents and Investments Classified by Security Type [Line Items]    
Adjusted cost 105,255 76,441
Gross unrealized gains
Gross unrealized losses
Fair value 105,255 76,441
Cash and cash equivalents 105,255 76,441
Short-term investments  
U.S. government securities [Member]    
Schedule of Cash, Cash Equivalents and Investments Classified by Security Type [Line Items]    
Adjusted cost 21,435 80,915
Gross unrealized gains 360 393
Gross unrealized losses
Fair value 21,795 81,308
Cash and cash equivalents
Short-term investments 21,795 18,391
Certificates of deposit and time deposits [Member]    
Schedule of Cash, Cash Equivalents and Investments Classified by Security Type [Line Items]    
Adjusted cost 195,871 48,656
Gross unrealized gains
Gross unrealized losses
Fair value 195,871 48,656
Cash and cash equivalents
Short-term investments 168,675 47,972
Money market funds [Member]    
Schedule of Cash, Cash Equivalents and Investments Classified by Security Type [Line Items]    
Adjusted cost 5,572 45,532
Gross unrealized gains
Gross unrealized losses
Fair value 5,572 45,532
Cash and cash equivalents 5,572 $ 45,532
Short-term investments