Loans and allowance for loan losses - Information on the risk rating of loans (Details) - USD ($)
$ in Thousands |
Jun. 30, 2021 |
Dec. 31, 2020 |
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
$ 551,664
|
$ 561,003
|
| Consumer And Other [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
3,214
|
2,885
|
| Risk Rated 1-4 [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
526,209
|
535,128
|
| Risk Rated 5 [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
19,329
|
20,632
|
| Risk Rate 6 [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
6,126
|
5,243
|
| Construction and land development |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
44,073
|
29,569
|
| Construction and land development | Residential [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
7,802
|
8,103
|
| Construction and land development | Commercial [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
36,271
|
21,466
|
| Construction and land development | Risk Rated 1-4 [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
41,347
|
29,473
|
| Construction and land development | Risk Rated 1-4 [Member] | Residential [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
7,802
|
8,103
|
| Construction and land development | Risk Rated 1-4 [Member] | Commercial [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
33,545
|
21,370
|
| Construction and land development | Risk Rated 5 [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
2,726
|
96
|
| Construction and land development | Risk Rated 5 [Member] | Commercial [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
2,726
|
96
|
| Commercial real estate |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
240,587
|
231,224
|
| Commercial real estate | Owner occupied |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
100,405
|
99,784
|
| Commercial real estate | Non-Owner Occupied [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
127,363
|
121,184
|
| Commercial real estate | Multifamily [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
11,743
|
9,889
|
| Commercial real estate | Farmland [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
1,076
|
367
|
| Commercial real estate | Risk Rated 1-4 [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
225,066
|
214,483
|
| Commercial real estate | Risk Rated 1-4 [Member] | Owner occupied |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
89,793
|
88,066
|
| Commercial real estate | Risk Rated 1-4 [Member] | Non-Owner Occupied [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
122,454
|
116,161
|
| Commercial real estate | Risk Rated 1-4 [Member] | Multifamily [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
11,743
|
9,889
|
| Commercial real estate | Risk Rated 1-4 [Member] | Farmland [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
1,076
|
367
|
| Commercial real estate | Risk Rated 5 [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
11,228
|
13,649
|
| Commercial real estate | Risk Rated 5 [Member] | Owner occupied |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
6,996
|
9,405
|
| Commercial real estate | Risk Rated 5 [Member] | Non-Owner Occupied [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
4,232
|
4,244
|
| Commercial real estate | Risk Rate 6 [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
4,293
|
3,092
|
| Commercial real estate | Risk Rate 6 [Member] | Owner occupied |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
3,616
|
2,313
|
| Commercial real estate | Risk Rate 6 [Member] | Non-Owner Occupied [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
677
|
779
|
| Consumer real estate |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
86,533
|
86,580
|
| Consumer real estate | Home equity lines [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
17,199
|
18,394
|
| Consumer real estate | First deed of trust |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
56,728
|
57,089
|
| Consumer real estate | Second Deed of Trust [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
12,606
|
11,097
|
| Consumer real estate | Risk Rated 1-4 [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
81,682
|
80,454
|
| Consumer real estate | Risk Rated 1-4 [Member] | Home equity lines [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
16,274
|
17,298
|
| Consumer real estate | Risk Rated 1-4 [Member] | First deed of trust |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
53,569
|
53,731
|
| Consumer real estate | Risk Rated 1-4 [Member] | Second Deed of Trust [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
11,839
|
9,425
|
| Consumer real estate | Risk Rated 5 [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
3,319
|
4,244
|
| Consumer real estate | Risk Rated 5 [Member] | Home equity lines [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
625
|
796
|
| Consumer real estate | Risk Rated 5 [Member] | First deed of trust |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
2,260
|
2,212
|
| Consumer real estate | Risk Rated 5 [Member] | Second Deed of Trust [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
434
|
1,236
|
| Consumer real estate | Risk Rate 6 [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
1,532
|
1,882
|
| Consumer real estate | Risk Rate 6 [Member] | Home equity lines [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
300
|
300
|
| Consumer real estate | Risk Rate 6 [Member] | First deed of trust |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
899
|
1,146
|
| Consumer real estate | Risk Rate 6 [Member] | Second Deed of Trust [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
333
|
436
|
| Commercial and industrial loans | Commercial and industrial loans (except those secured by real estate) |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
148,656
|
181,088
|
| Commercial and industrial loans | Guaranteed Student loans [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
28,601
|
29,657
|
| Commercial and industrial loans | Consumer And Other [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
3,214
|
2,885
|
| Commercial and industrial loans | Risk Rated 1-4 [Member] | Commercial and industrial loans (except those secured by real estate) |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
146,336
|
178,217
|
| Commercial and industrial loans | Risk Rated 1-4 [Member] | Guaranteed Student loans [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
28,601
|
29,657
|
| Commercial and industrial loans | Risk Rated 1-4 [Member] | Consumer And Other [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
3,177
|
2,844
|
| Commercial and industrial loans | Risk Rated 5 [Member] | Commercial and industrial loans (except those secured by real estate) |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
2,019
|
2,602
|
| Commercial and industrial loans | Risk Rated 5 [Member] | Consumer And Other [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
37
|
41
|
| Commercial and industrial loans | Risk Rate 6 [Member] | Commercial and industrial loans (except those secured by real estate) |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Total loans |
$ 301
|
$ 269
|