Commitments and Contingencies - Operating Leases (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2015 |
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| Commitments and Contingencies Disclosure [Abstract] | |||
| Total rent expense | $ 725 | $ 667 | $ 649 |
| X | ||||||||||
- 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://www.xbrl.org/2003/role/presentationRef
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