Commitments and Contingencies - Letters of Credit (Details) - USD ($) $ in Thousands |
Oct. 31, 2017 |
Sep. 30, 2017 |
Sep. 30, 2016 |
|---|---|---|---|
| Line of Credit Facility [Line Items] | |||
| Standby letters of credit | $ 1,082 | ||
| Financial Standby Letter of Credit | |||
| Line of Credit Facility [Line Items] | |||
| Standby letters of credit | $ 10,300 | $ 10,234 | |
| Subsequent Event | Financial Standby Letter of Credit | |||
| Line of Credit Facility [Line Items] | |||
| Standby letters of credit | $ 153 |
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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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