Loans and allowance for loan losses - Loans evaluated for impairment (Details) - USD ($) $ in Thousands |
Mar. 31, 2021 |
Dec. 31, 2020 |
Mar. 31, 2020 |
Dec. 31, 2019 |
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
$ 3,992
|
$ 3,970
|
$ 3,444
|
$ 3,186
|
| Allowance Individually Evaluated for Impairment |
8
|
17
|
|
|
| Allowance Collectively Evaluated for Impairment |
3,984
|
3,953
|
|
|
| Loans Ending Balance |
592,177
|
561,003
|
|
|
| Loans Individually Evaluated for Impairment |
10,621
|
9,047
|
|
|
| Loans Collectively Evaluated for Impairment |
581,556
|
551,956
|
|
|
| Construction and land development |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
268
|
499
|
489
|
185
|
| Allowance Collectively Evaluated for Impairment |
268
|
499
|
|
|
| Loans Ending Balance |
29,600
|
29,569
|
|
|
| Loans Collectively Evaluated for Impairment |
29,600
|
29,569
|
|
|
| Commercial real estate |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
2,224
|
2,517
|
1,986
|
1,589
|
| Allowance Individually Evaluated for Impairment |
|
9
|
|
|
| Allowance Collectively Evaluated for Impairment |
2,224
|
2,508
|
|
|
| Loans Ending Balance |
234,323
|
231,224
|
|
|
| Loans Individually Evaluated for Impairment |
7,119
|
5,896
|
|
|
| Loans Collectively Evaluated for Impairment |
227,204
|
225,328
|
|
|
| Consumer real estate |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
228
|
269
|
273
|
678
|
| Allowance Individually Evaluated for Impairment |
8
|
8
|
|
|
| Allowance Collectively Evaluated for Impairment |
220
|
261
|
|
|
| Loans Ending Balance |
86,817
|
86,580
|
|
|
| Loans Individually Evaluated for Impairment |
3,300
|
3,010
|
|
|
| Loans Collectively Evaluated for Impairment |
83,517
|
83,570
|
|
|
| Residential [Member] | Construction and land development |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
100
|
214
|
219
|
48
|
| Allowance Collectively Evaluated for Impairment |
100
|
214
|
|
|
| Loans Ending Balance |
7,164
|
8,103
|
|
|
| Loans Collectively Evaluated for Impairment |
7,164
|
8,103
|
|
|
| Commercial [Member] | Construction and land development |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
168
|
285
|
270
|
137
|
| Allowance Collectively Evaluated for Impairment |
168
|
285
|
|
|
| Loans Ending Balance |
22,436
|
21,466
|
|
|
| Loans Collectively Evaluated for Impairment |
22,436
|
21,466
|
|
|
| Owner Occupied [Member] | Commercial real estate |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
899
|
1,047
|
859
|
671
|
| Allowance Individually Evaluated for Impairment |
|
9
|
|
|
| Allowance Collectively Evaluated for Impairment |
899
|
1,038
|
|
|
| Loans Ending Balance |
99,677
|
99,784
|
|
|
| Loans Individually Evaluated for Impairment |
5,224
|
3,905
|
|
|
| Loans Collectively Evaluated for Impairment |
94,453
|
95,879
|
|
|
| Non-Owner Occupied [Member] | Commercial real estate |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
1,286
|
1,421
|
1,058
|
831
|
| Allowance Collectively Evaluated for Impairment |
1,286
|
1,421
|
|
|
| Loans Ending Balance |
125,202
|
121,184
|
|
|
| Loans Individually Evaluated for Impairment |
1,895
|
1,991
|
|
|
| Loans Collectively Evaluated for Impairment |
123,307
|
119,193
|
|
|
| Multifamily [Member] | Commercial real estate |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
38
|
47
|
68
|
85
|
| Allowance Collectively Evaluated for Impairment |
38
|
47
|
|
|
| Loans Ending Balance |
9,086
|
9,889
|
|
|
| Loans Collectively Evaluated for Impairment |
9,086
|
9,889
|
|
|
| Farmland [Member] | Commercial real estate |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
1
|
2
|
1
|
2
|
| Allowance Collectively Evaluated for Impairment |
1
|
2
|
|
|
| Loans Ending Balance |
358
|
367
|
|
|
| Loans Collectively Evaluated for Impairment |
358
|
367
|
|
|
| Home equity lines [Member] | Consumer real estate |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
15
|
24
|
40
|
271
|
| Allowance Collectively Evaluated for Impairment |
15
|
24
|
|
|
| Loans Ending Balance |
18,128
|
18,394
|
|
|
| Loans Individually Evaluated for Impairment |
300
|
300
|
|
|
| Loans Collectively Evaluated for Impairment |
17,828
|
18,094
|
|
|
| First Deed of Trust [Member] | Consumer real estate |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
146
|
166
|
157
|
343
|
| Allowance Individually Evaluated for Impairment |
8
|
8
|
|
|
| Allowance Collectively Evaluated for Impairment |
138
|
158
|
|
|
| Loans Ending Balance |
58,028
|
57,089
|
|
|
| Loans Individually Evaluated for Impairment |
2,258
|
2,011
|
|
|
| Loans Collectively Evaluated for Impairment |
55,770
|
55,078
|
|
|
| Second Deed of Trust [Member] | Consumer real estate |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
67
|
79
|
76
|
64
|
| Allowance Collectively Evaluated for Impairment |
67
|
79
|
|
|
| Loans Ending Balance |
10,661
|
11,097
|
|
|
| Loans Individually Evaluated for Impairment |
742
|
699
|
|
|
| Loans Collectively Evaluated for Impairment |
9,919
|
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 |
410
|
408
|
409
|
572
|
| Allowance Collectively Evaluated for Impairment |
410
|
408
|
|
|
| Loans Ending Balance |
209,381
|
181,088
|
|
|
| Loans Individually Evaluated for Impairment |
202
|
141
|
|
|
| Loans Collectively Evaluated for Impairment |
209,179
|
180,947
|
|
|
| Guaranteed Student loans [Member] | Commercial and industrial loans |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
76
|
87
|
104
|
108
|
| Allowance Collectively Evaluated for Impairment |
76
|
87
|
|
|
| Loans Ending Balance |
29,062
|
29,657
|
|
|
| Loans Collectively Evaluated for Impairment |
29,062
|
29,657
|
|
|
| Consumer And Other [Member] |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
786
|
190
|
|
|
| Allowance Collectively Evaluated for Impairment |
786
|
190
|
|
|
| Loans Ending Balance |
2,994
|
2,885
|
|
|
| Loans Collectively Evaluated for Impairment |
2,994
|
2,885
|
|
|
| Consumer And Other [Member] | Commercial and industrial loans |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
38
|
36
|
$ 41
|
$ 30
|
| Loans Ending Balance |
$ 2,994
|
$ 2,885
|
|
|