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Summary of Significant Accounting Policies - PP&E (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Property and Equipment
Increase in amortization				$ 0.1
Scenario, Forecast
Property and Equipment
Increase in amortization			$ 0.7
Computers and purchased software | Minimum
Property and Equipment
Estimated useful life				1 year
Computers and purchased software | Maximum
Property and Equipment
Estimated useful life				5 years
Office/operational equipment | Minimum
Property and Equipment
Estimated useful life				3 years
Office/operational equipment | Maximum
Property and Equipment
Estimated useful life				5 years
Furniture and fixtures | Minimum
Property and Equipment
Estimated useful life				5 years
Furniture and fixtures | Maximum
Property and Equipment
Estimated useful life				7 years
Internally developed software for internal-use
Property and Equipment
Estimated useful life	5 years	7 years		5 years
Building
Property and Equipment
Estimated useful life				39 years
Vehicles
Property and Equipment
Estimated useful life				5 years

X

- Definition

Amount of increase (decrease) in accumulated depreciation, depletion and amortization of property, plant and equipment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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+ References

No definition available.

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+ References

No definition available.

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