Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Sep. 30, 2024
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 7,088	$ 16,088
Accumulated Amortization	(3,039)	(5,616)
Net Carrying Amount	$ 1,091	4,004
Backlog
Finite-Lived Intangible Assets [Line Items]
Useful Life	1 year
Gross Carrying Amount	$ 0	2,100
Less asset impairments:	0	(425)
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,409	4,409
Less asset impairments:	$ (2,111)	(339)
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	1 year 9 months
Gross Carrying Amount	$ 0	6,700
Less asset impairments:	$ 0	(5,494)
Noncompetition Agreements
Finite-Lived Intangible Assets [Line Items]
Useful Life	5 years
Gross Carrying Amount	$ 0	200
Less asset impairments:	0	(160)
Trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,679	2,679
Less asset impairments:	$ (847)	$ (50)
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