Capitalized Software, Net (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2021
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	3 years
Accumulated amortization	$ (27,198)	$ (16,937)
Capitalized software, net	62,577	52,341
Software capitalized during the period	25,441	19,957
Amortization expense	12,545	8,987	$ 6,276
Amounts written down to net realizable value	2,660	0	$ 0
Software development costs
Finite-Lived Intangible Assets [Line Items]
Capitalized software	81,141	60,013
Development in progress
Finite-Lived Intangible Assets [Line Items]
Capitalized software	$ 8,634	$ 9,265
Minimum \| Software development costs
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	3 years
Maximum \| Software development costs
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	7 years

For each balance sheet presented, the amount of accumulated amortization for capitalized computer software costs.

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Additions made to capitalized computer software costs during the period.

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Amount of expense for amortization of capitalized computer software costs.

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Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software.

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Amount of impairment loss from capitalized computer software costs.

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The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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