Leases - Schedule of Cash Flow, Supplemental Disclosures (Details) $ in Thousands	12 Months Ended
	Sep. 30, 2020 USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from right-of-use leases	$ 1,586
Operating cash flows from finance leases	59
Financing cash flows from finance leases	$ 387