Leases (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Sep. 30, 2022	Oct. 01, 2019
Lessee, Lease, Description [Line Items]
Operating lease, renewal term	5 years
Operating lease cost	$ 88	$ 94
Short-term lease cost	0	0
Total lease cost	88	$ 94
Operating cash flows from operating leases	$ 77		$ 342
Weighted average remaining lease term-operating leases	7 years 6 months		7 years 8 months 12 days
Weighted average discount rate-operating leases	2.25%		2.25%
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease term				4 years
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term				9 years