Organization and Significant Accounting Policies - Insurance, Additional Information (Details)	12 Months Ended
	Sep. 30, 2023 USD ($)
Insurance [Line Items]
Excess loss insurance that covers any health care claims	$ 750,000
Minimum
Insurance [Line Items]
General liability and vehicle liability insurance policies	250,000
Maximum
Insurance [Line Items]
General liability and vehicle liability insurance policies	$ 350,000