Loans - Loans evaluated for impairment (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance Ending Balance	$ 3,423	$ 3,970	$ 3,186
Allowance Individually Evaluated for Impairment	11	17
Allowance Collectively Evaluated for Impairment	3,412	3,953
Loans Ending Balance	526,457	561,003
Loans Individually Evaluated for Impairment	9,243	9,047
Loans Collectively Evaluated for Impairment	517,214	551,956
Construction and land development
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance Ending Balance	286	499	185
Allowance Individually Evaluated for Impairment		0
Allowance Collectively Evaluated for Impairment	286	499
Loans Ending Balance	49,149	29,569
Loans Individually Evaluated for Impairment		0
Loans Collectively Evaluated for Impairment	49,149	29,569
Commercial real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance Ending Balance	1,953	2,517	1,589
Allowance Individually Evaluated for Impairment	4	9
Allowance Collectively Evaluated for Impairment	1,949	2,508
Loans Ending Balance	255,537	231,224
Loans Individually Evaluated for Impairment	6,501	5,896
Loans Collectively Evaluated for Impairment	249,036	225,328
Consumer real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance Ending Balance	182	269	678
Allowance Individually Evaluated for Impairment	7	8
Allowance Collectively Evaluated for Impairment	175	261
Loans Ending Balance	92,372	86,580
Loans Individually Evaluated for Impairment	2,557	3,010
Loans Collectively Evaluated for Impairment	89,815	83,570
Residential \| Construction and land development
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance Ending Balance	57	214	48
Allowance Individually Evaluated for Impairment		0
Allowance Collectively Evaluated for Impairment	57	214
Loans Ending Balance	6,805	8,103
Loans Individually Evaluated for Impairment		0
Loans Collectively Evaluated for Impairment	6,805	8,103
Commercial \| Construction and land development
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance Ending Balance	229	285	137
Allowance Individually Evaluated for Impairment		0
Allowance Collectively Evaluated for Impairment	229	285
Loans Ending Balance	42,344	21,466
Loans Individually Evaluated for Impairment		0
Loans Collectively Evaluated for Impairment	42,344	21,466
Owner occupied \| Commercial real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance Ending Balance	833	1,047	671
Allowance Individually Evaluated for Impairment	4	9
Allowance Collectively Evaluated for Impairment	829	1,038
Loans Ending Balance	113,108	99,784
Loans Individually Evaluated for Impairment	5,043	3,905
Loans Collectively Evaluated for Impairment	108,065	95,879
Non-owner occupied \| Commercial real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance Ending Balance	1,083	1,421	831
Allowance Individually Evaluated for Impairment		0
Allowance Collectively Evaluated for Impairment	1,083	1,421
Loans Ending Balance	129,786	121,184
Loans Individually Evaluated for Impairment	1,458	1,991
Loans Collectively Evaluated for Impairment	128,328	119,193
Multifamily \| Commercial real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance Ending Balance	35	47	85
Allowance Individually Evaluated for Impairment		0
Allowance Collectively Evaluated for Impairment	35	47
Loans Ending Balance	11,666	9,889
Loans Individually Evaluated for Impairment		0
Loans Collectively Evaluated for Impairment	11,666	9,889
Farmland \| Commercial real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance Ending Balance	2	2	2
Allowance Individually Evaluated for Impairment		0
Allowance Collectively Evaluated for Impairment	2	2
Loans Ending Balance	977	367
Loans Individually Evaluated for Impairment		0
Loans Collectively Evaluated for Impairment	977	367
Home equity lines \| Consumer real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance Ending Balance	12	24	271
Allowance Individually Evaluated for Impairment		0
Allowance Collectively Evaluated for Impairment	12	24
Loans Ending Balance	17,977	18,394
Loans Individually Evaluated for Impairment	300	300
Loans Collectively Evaluated for Impairment	17,677	18,094
First deed of trust \| Consumer real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance Ending Balance	123	166	343
Allowance Individually Evaluated for Impairment	7	8
Allowance Collectively Evaluated for Impairment	116	158
Loans Ending Balance	62,277	57,089
Loans Individually Evaluated for Impairment	2,019	2,011
Loans Collectively Evaluated for Impairment	60,258	55,078
Second deed of trust \| Consumer real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance Ending Balance	47	79	64
Allowance Collectively Evaluated for Impairment	47	79
Loans Ending Balance	12,118	11,097
Loans Individually Evaluated for Impairment	238	699
Loans Collectively Evaluated for Impairment	11,880	10,398
Commercial and industrial loans (except those secured by real estate) \| Commercial and industrial loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance Ending Balance	486	408	572
Allowance Collectively Evaluated for Impairment	486	408
Loans Ending Balance	100,421	181,088
Loans Individually Evaluated for Impairment	185	141
Loans Collectively Evaluated for Impairment	100,236	180,947
Guaranteed student loans \| Commercial and industrial loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance Ending Balance	65	87	108
Allowance Individually Evaluated for Impairment		0
Allowance Collectively Evaluated for Impairment	65	87
Loans Ending Balance	25,975	29,657
Loans Individually Evaluated for Impairment		0
Loans Collectively Evaluated for Impairment	25,975	29,657
Consumer and other
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance Ending Balance	451	190
Allowance Collectively Evaluated for Impairment	451	190
Loans Ending Balance	3,003	2,885
Loans Collectively Evaluated for Impairment	3,003	2,885
Consumer and other \| Commercial and industrial loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance Ending Balance	29	36	$ 30
Loans Ending Balance	$ 3,003	$ 2,885

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
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- Definition

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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- Definition

The balance of financing receivables that were collectively evaluated for impairment.

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The balance of financing receivables that were individually evaluated for impairment.

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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

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

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