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v3.19.3.a.u2

Summary of Significant Accounting Policies - Income Taxes (Details) $ in Millions | 12 Months Ended
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Sep. 30, 2019 USD ($)
Accounting Policies [Abstract] |
Interest expense | $ 0.3

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- Definition Amount of interest expense for an underpayment of income taxes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 + Details
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