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Income Taxes - Schedule of Valuation Allowance (Details) - Valuation Allowance of Deferred Tax Assets - USD ($) $ in Thousands | 12 Months Ended
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Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2016
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Beginning balance | $ 8,767 | $ 8,439 | $ 10,056
Charged to cost and expenses | 1,575 | (260) | (1,934)
Charged to other accounts | (745) | 588 | 317
Ending balance | $ 9,597 | $ 8,767 | $ 8,439

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- Definition Valuation allowances and reserves charged or credited to cost and expense. + References No definition available. + Details
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- Definition Valuation allowances and reserves charged or credited to other accounts. + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- Details
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