Leases - Additional Information (Details) - 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, weighted-average remaining lease term | 2 years 1 month 6 days | 2 years 1 month 6 days | ||
| Operating lease, weighted-average incremental borrowing rate | 4.22% | 4.22% | ||
| Total lease expense under operating leases | $ 239 | $ 229 | $ 716 | $ 690 |