Leases (Lease-Related Supplemental Cash Flow Information) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows for operating leases	$ 1,343	$ 1,151
Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows for finance leases	8	18
Cash paid for amounts included in the measurement of lease liabilities: Financing cash flows for finance leases	382	396
Right-of-use assets obtained in exchange for recorded lease obligations: Operating leases	$ 3,082	1,130
Right-of-use assets obtained in exchange for recorded lease obligations: Finance leases		$ 12