Loans and allowance for loan losses - Recorded investment in past due loans and leases (Details) - USD ($)
$ in Thousands |
Sep. 30, 2020 |
Dec. 31, 2019 |
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
$ 3,920
|
$ 7,523
|
| Current |
596,169
|
421,772
|
| Total loans |
600,089
|
429,295
|
| Recorded Investment, 90 Days and Accruing |
1,674
|
2,567
|
| Financing Receivables, 30 to 59 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
1,450
|
3,647
|
| Financing Receivables, 60 to 89 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
796
|
1,309
|
| Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
1,674
|
2,567
|
| Commercial and industrial loans (except those secured by real estate) |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Total loans |
222,469
|
45,074
|
| Guaranteed student loans [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Total loans |
30,656
|
33,525
|
| Consumer And Other [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Total loans |
2,998
|
2,621
|
| Construction and land development |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Current |
33,337
|
31,950
|
| Total loans |
33,337
|
31,950
|
| Construction and land development | Residential [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Current |
7,723
|
7,887
|
| Total loans |
7,723
|
7,887
|
| Construction and land development | Commercial [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Current |
25,614
|
24,063
|
| Total loans |
25,614
|
24,063
|
| Commercial real estate |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
|
701
|
| Current |
224,863
|
227,648
|
| Total loans |
224,863
|
228,349
|
| Commercial real estate | Financing Receivables, 30 to 59 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
|
701
|
| Commercial real estate | Owner Occupied [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
|
701
|
| Current |
97,467
|
97,652
|
| Total loans |
97,467
|
98,353
|
| Commercial real estate | Owner Occupied [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
|
701
|
| Commercial real estate | Non-Owner Occupied [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Current |
116,863
|
116,508
|
| Total loans |
116,863
|
116,508
|
| Commercial real estate | Multifamily [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Current |
10,155
|
13,332
|
| Total loans |
10,155
|
13,332
|
| Commercial real estate | Farmland [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Current |
378
|
156
|
| Total loans |
378
|
156
|
| Consumer real estate |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
385
|
475
|
| Current |
85,381
|
87,301
|
| Total loans |
85,766
|
87,776
|
| Consumer real estate | Financing Receivables, 30 to 59 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
250
|
475
|
| Consumer real estate | Financing Receivables, 60 to 89 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
135
|
|
| Consumer real estate | Home equity lines [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
193
|
52
|
| Current |
19,114
|
21,457
|
| Total loans |
19,307
|
21,509
|
| Consumer real estate | Home equity lines [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
193
|
52
|
| Consumer real estate | First Deed of Trust [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
135
|
290
|
| Current |
54,935
|
55,566
|
| Total loans |
55,070
|
55,856
|
| Consumer real estate | First Deed of Trust [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
|
290
|
| Consumer real estate | First Deed of Trust [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
135
|
|
| Consumer real estate | Second Deed of Trust [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
57
|
133
|
| Current |
11,332
|
10,278
|
| Total loans |
11,389
|
10,411
|
| Consumer real estate | Second Deed of Trust [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
57
|
133
|
| Commercial and industrial loans | Commercial and industrial loans (except those secured by real estate) |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
|
773
|
| Current |
222,469
|
44,301
|
| Total loans |
222,469
|
45,074
|
| Commercial and industrial loans | Commercial and industrial loans (except those secured by real estate) | Financing Receivables, 30 to 59 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
|
773
|
| Commercial and industrial loans | Guaranteed student loans [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
3,535
|
5,570
|
| Current |
27,121
|
27,955
|
| Total loans |
30,656
|
33,525
|
| Recorded Investment, 90 Days and Accruing |
1,674
|
2,567
|
| Commercial and industrial loans | Guaranteed student loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
1,200
|
1,694
|
| Commercial and industrial loans | Guaranteed student loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
661
|
1,309
|
| Commercial and industrial loans | Guaranteed student loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
1,674
|
2,567
|
| Commercial and industrial loans | Consumer And Other [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
|
4
|
| Current |
2,998
|
2,617
|
| Total loans |
$ 2,998
|
2,621
|
| Commercial and industrial loans | Consumer And Other [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
|
$ 4
|