v3.26.1
Leases - Summary of Components of Lease Expense (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Leases [Abstract]        
Operating lease cost $ 1,804 $ 1,977 $ 3,510 $ 4,316
Variable lease cost 289 115 555 216
Short-term lease cost 446 467 936 869
Total lease cost $ 2,539 $ 2,559 $ 5,001 $ 5,401