Shareholders' Equity and Regulatory Matters - Accumulated other comprehensive income (loss) (Details) - USD ($) $ in Thousands |
Sep. 30, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Shareholders' Equity and Regulatory Matters | ||
| Net unrealized gains on securities | $ 482 | $ 186 |
| Net unrecognized losses on defined benefit plan | (38) | (44) |
| Total accumulated other comprehensive income | $ 444 | $ 142 |