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Income Taxes (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Income Tax Disclosure [Abstract] |  |  |
Effective tax rate, percent |  | 9.00% | (8.00%)
Income tax benefit | $ 759 |  |
Valuation allowance released on deferred tax assets |  | $ 305 |

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