Loans and allowance for loan losses - Information on nonaccrual loans (Details) - USD ($)
$ in Thousands |
Mar. 31, 2021 |
Dec. 31, 2020 |
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
| Total loans |
$ 1,555
|
$ 1,577
|
| Commercial real estate |
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
| Total loans |
300
|
303
|
| Commercial real estate | Owner Occupied [Member] |
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
| Total loans |
300
|
303
|
| Consumer real estate |
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
| Total loans |
1,228
|
1,247
|
| Consumer real estate | Home equity lines [Member] |
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
| Total loans |
300
|
300
|
| Consumer real estate | First Deed of Trust [Member] |
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
| Total loans |
627
|
630
|
| Consumer real estate | Second Deed of Trust [Member] |
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
| Total loans |
303
|
317
|
| Commercial and industrial loans | Commercial and industrial loans (except those secured by real estate) |
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
| Total loans |
$ 25
|
$ 27
|