Goodwill and Intangible Assets - Narrative (Details) - USD ($)	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Goodwill [Line Items]
Amortization of intangible assets	$ 233,000	$ 313,000
Goodwill impairment	0	0
Cleveland Reporting Unit
Goodwill [Line Items]
Goodwill impairment	$ 0	$ 0