Loans and Leases - Activity in the allowance for loan and lease losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Allowance for loan and lease losses:
Beginning balance	$ 1,610	$ 1,562	$ 1,592	$ 1,561
Charge-offs	(10)	(8)	(36)	(21)
Recoveries	2	2	6	14
Provision for Loan and Lease Losses	37	28	77	30
Ending balance	1,639	1,584	1,639	1,584
Ending balance allocated to loans and leases individually evaluated for impairment	300		300		$ 308
Ending balance allocated to loans and leases collectively evaluated for impairment	1,339		1,339		1,284
Loans and leases receivable
Loans and leases individually evaluated for impairment	1,738		1,738		2,944
Loans and leases collectively evaluated for impairment	230,288		230,288		218,915
Total Loans	232,026		232,026		221,859
Real estate
Allowance for loan and lease losses:
Beginning balance	1,182	1,175	1,178	1,171
Provision for Loan and Lease Losses	26	(5)	30	(1)
Ending balance	1,208	1,170	1,208	1,170
Ending balance allocated to loans and leases individually evaluated for impairment					8
Ending balance allocated to loans and leases collectively evaluated for impairment	1,208		1,208		1,170
Loans and leases receivable
Loans and leases individually evaluated for impairment	1,300		1,300		2,437
Loans and leases collectively evaluated for impairment	218,055		218,055		207,509
Total Loans	219,355		219,355		209,946
Agriculture
Allowance for loan and lease losses:
Beginning balance	1		1	2
Provision for Loan and Lease Losses				(2)
Ending balance	1		1
Ending balance allocated to loans and leases collectively evaluated for impairment	1		1		1
Loans and leases receivable
Loans and leases collectively evaluated for impairment	210		210		234
Total Loans	210		210		234
Commercial
Allowance for loan and lease losses:
Beginning balance	363	341	357	355
Provision for Loan and Lease Losses	4	21	10	7
Ending balance	367	362	367	362
Ending balance allocated to loans and leases individually evaluated for impairment	300		300		300
Ending balance allocated to loans and leases collectively evaluated for impairment	67		67		57
Loans and leases receivable
Loans and leases individually evaluated for impairment	438		438		474
Loans and leases collectively evaluated for impairment	6,710		6,710		5,667
Total Loans	7,148		7,148		6,141
Consumer and other
Allowance for loan and lease losses:
Beginning balance	64	46	56	33
Charge-offs	(10)	(8)	(36)	(21)
Recoveries	2	2	6	14
Provision for Loan and Lease Losses	7	12	37	26
Ending balance	63	$ 52	63	$ 52
Ending balance allocated to loans and leases collectively evaluated for impairment	63		63		56
Loans and leases receivable
Loans and leases individually evaluated for impairment					33
Loans and leases collectively evaluated for impairment	5,313		5,313		5,505
Total Loans	$ 5,313		$ 5,313		$ 5,538