Employee Benefits Plans - Profit Sharing and 401K (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2015 |
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| Retirement Benefits [Abstract] | |||
| Matching contribution (as a percent) (up to) | 4.00% | ||
| Contribution to plan | $ 445,000 | $ 401,000 | $ 360,000 |
| Contribution to profit sharing plan | $ 378,000 | $ 291,000 | $ 165,000 |
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- References No definition available.
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- Definition Amount of contributions made by employer into fund established for purposes of making future disbursement to individual in accordance with deferred compensation arrangement. No definition available.
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- Definition Amount of cost for defined contribution plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. No definition available.
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