Summary of Significant Accounting Policies (Leases) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Lease descriptions
Option to extend the lease term	true
Option to terminate the lease	false
Lease option length in years	3 years
Lease cost
Operating and variable lease expenses	$ 300
Rent expense		$ 300
Maturities of operating lease liabilities
2020	951
2021	854
2022	841
2023	804
2024	658
Thereafter	1,183
Total lease payments	5,291
Less imputed interest	(586)
Lease liability	4,705
Schedule of future minimum lease payments
2020	988
2021	839
2022	824
2023	853
2024	655
Thereafter	1,350
Total lease payments	$ 5,509
Weighted average remaining lease term (years)	6 years 2 months 12 days
Weighted average discount rate	3.80%