Nature of Business and Summary of Significant Accounting Policies - Estimated Useful Life of Definite-Lived Intangible Assets (Details)	Sep. 30, 2023	Sep. 30, 2022
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life	5 years	5 years
Completed technology
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life	5 years	5 years
Completed technology \| Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life	5 years
Completed technology \| Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life	10 years
Customer contracts and relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life	5 years	5 years
Customer contracts and relationships \| Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life	5 years
Customer contracts and relationships \| Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life	10 years
Non-compete agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life	2 years