Leases - Summary of Components of Lease Expense and Supplemental Information (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Leases [Abstract] | ||||
| Operating lease costs | $ 3,330 | $ 3,823 | $ 10,234 | $ 11,306 |
| Variable lease costs | 1,970 | 2,012 | 6,100 | 5,820 |
| Sublease income | $ 687 | $ 417 | $ 2,106 | $ 417 |
| Weighted-average remaining lease term (in years) - operating leases | 13 years 10 months 24 days | 15 years 2 months 12 days | 13 years 10 months 24 days | 15 years 2 months 12 days |
| Weighted-average discount rate - operating leases | 6.90% | 6.50% | 6.90% | 6.50% |
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- References No definition available.
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- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of sublease income excluding finance and operating lease expense. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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