Selected Account Information - Narrative (Details) - USD ($)		6 Months Ended
	Oct. 06, 2021	Mar. 31, 2022	Sep. 30, 2021
Receivable percentage	7.00%
Notes receivable, term	8 years
Financing receivable, allowance for credit loss		$ 154,000	$ 102,000
Minimum
Receivable percentage		6.00%
Notes receivable, term		1 year
Maximum
Receivable percentage		9.00%
Notes receivable, term		20 years