Accounts and Long-Term Receivable (Details) $ in Thousands	3 Months Ended			9 Months Ended
	Jun. 30, 2022 USD ($) agreement	Dec. 31, 2021 USD ($) agreement	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Sep. 30, 2021 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	$ 18,648			$ 18,648		$ 18,698
Long-term receivable	$ 5,345			$ 5,345		7,522
Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Maturity term of accounts and long term receivables				1 year
Agreement
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of agreements increase in accounts and long term receivable | agreement	1	1
Payments to be received from transaction over next two years		$ 500
Payments to be received from transaction over next three years	$ 800			$ 800
Period of payments to be received for accounts and long term receivable	3 years	2 years
Net revenue recorded	$ 300	$ 100
Financing receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	4,900			4,900		6,500
Long-term receivable	$ 5,300			$ 5,300		7,500
Long term receivables interest rate	4.90%			4.90%
Amount of allowance for credit losses or impairments with a contractual maturity of over one year	$ 0			$ 0
Accounts and long-term receivable past due	0			0		$ 0
Activity in allowance for credit losses for accounts and long-term receivables				0	$ 0
Construction Contractor, Receivable, Excluding Contract Retainage, Fiscal Year Maturity [Abstract]
2022	2,182			2,182
2023	5,108			5,108
2024	1,839			1,839
2025	1,560			1,560
Total payments	10,689			10,689
Less: unearned interest income	(454)			(454)
Total, net of unearned interest income	10,235			$ 10,235
Financing receivables | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Maturity term of accounts and long term receivables				1 year
Financing receivables | Other Income
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts And Long Term Receivable, Interest Income	$ 108		$ 169	$ 369	$ 387