Loans and Allowance for Credit Losses - Loans - Credit quality indicators by year of origination (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Loans and Allowance for Credit Losses - Loans
Total	$ 186,440	$ 210,392
Pass
Loans and Allowance for Credit Losses - Loans
Total	185,952	206,611
Special mention
Loans and Allowance for Credit Losses - Loans
Total		3,447
Substandard
Loans and Allowance for Credit Losses - Loans
Total	483	244
Doubtful
Loans and Allowance for Credit Losses - Loans
Total	5	90
Real Estate Loan
Loans and Allowance for Credit Losses - Loans
2022	11,941
2021	17,685	16,498
2020	10,337	12,135
2019	9,852	10,671
2018	12,670	14,345
2017		6,715
Prior	70,838	76,341
Total	133,323	136,705
Real Estate Loan \| Pass
Loans and Allowance for Credit Losses - Loans
2022	11,941
2021	17,685	16,498
2020	10,337	12,135
2019	9,852	10,671
2018	12,670	13,558
2017		6,715
Prior	70,838	73,568
Total	133,323	133,145
Real Estate Loan \| Special mention
Loans and Allowance for Credit Losses - Loans
2018		787
Prior		2,650
Total		3,437
Real Estate Loan \| Non accrual
Loans and Allowance for Credit Losses - Loans
Prior	104	123
Total	104	123
Commercial and Industrial
Loans and Allowance for Credit Losses - Loans
2022	1,468
2021	748	2,766
2020	4,056	4,172
2019	875	1,066
2018	3,581	4,128
2017		1,198
Prior	4,420	4,117
Total	15,148	17,447
Commercial and Industrial \| Pass
Loans and Allowance for Credit Losses - Loans
2022	1,468
2021	449	2,766
2020	4,056	4,172
2019	875	1,066
2018	3,581	4,128
2017		1,198
Prior	4,420	4,046
Total	14,849	17,376
Commercial and Industrial \| Non accrual
Loans and Allowance for Credit Losses - Loans
2021	299
Prior		71
Total	299	71
Consumer Loans
Loans and Allowance for Credit Losses - Loans
2022	6,573
2021	8,659	12,298
2020	5,200	8,227
2019	6,792	11,214
2018	8,153	16,752
2017		4,937
Prior	2,592	2,812
Total	37,969	56,240
Consumer Loans \| Pass
Loans and Allowance for Credit Losses - Loans
2022	6,573
2021	8,632	12,270
2020	5,187	8,222
2019	6,792	11,176
2018	8,113	16,706
2017		4,908
Prior	2,587	2,808
Total	37,884	56,090
Consumer Loans \| Special mention
Loans and Allowance for Credit Losses - Loans
2018		6
Total		6
Consumer Loans \| Non accrual
Loans and Allowance for Credit Losses - Loans
2021	27	28
2020	13	5
2019		38
2018	40	40
2017		29
Prior	5	4
Total	$ 85	$ 144

Amount of financing receivable originated five years prior to current fiscal year.

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- Definition

Amortized cost of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 55
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Amortized cost of financing receivable originated four years prior to current fiscal year. Excludes net investment in lease.

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Amortized cost of financing receivable originated in current fiscal year. Excludes net investment in lease.

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Amortized cost of financing receivable originated in fiscal year prior to current fiscal year. Excludes net investment in lease.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Amortized cost of financing receivable originated three years prior to current fiscal year. Excludes net investment in lease.

+ References

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Amortized cost of financing receivable originated two years prior to current fiscal year. Excludes net investment in lease.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
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