Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 16,088	$ 2,488
Accumulated Amortization	(4,785)	(1,730)
Net Carrying Amount	$ 6,114	758
Backlog
Finite-Lived Intangible Assets [Line Items]
Useful Life	1 year
Gross Carrying Amount	$ 2,100
Less asset impairments	$ (425)
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Useful Life	10 years
Gross Carrying Amount	$ 4,409	1,609
Less asset impairments	$ (119)
Customer Relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Life	6 years
Customer Relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Life	10 years
Developed technology
Finite-Lived Intangible Assets [Line Items]
Useful Life	5 years
Gross Carrying Amount	$ 6,700
Less asset impairments	$ (4,645)
Noncompetition Agreements
Finite-Lived Intangible Assets [Line Items]
Useful Life	5 years
Gross Carrying Amount	$ 200
Trade names
Finite-Lived Intangible Assets [Line Items]
Useful Life	3 years
Gross Carrying Amount	$ 2,679	$ 879
Trade names | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Life	3 years
Trade names | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Life	15 years