Commitments and Contingencies - Operating Leases (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2019 |
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| Commitments And Contingencies Disclosure [Abstract] | |||
| Total rent expense | $ 304,000 | $ 308,000 | $ 450,000 |
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- References No definition available.
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| X | ||||||||||
- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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