Deposits (Details) - USD ($) $ in Thousands |
Sep. 30, 2017 |
Dec. 31, 2016 |
|---|---|---|
| Deposits [Line Items] | ||
| Demand accounts | $ 103,396 | $ 92,574 |
| Interest checking accounts | 48,673 | 44,390 |
| Money market accounts | 81,423 | 71,290 |
| Savings accounts | 27,601 | 26,598 |
| Other time deposits | 130,963 | 135,053 |
| Total | 407,404 | 383,277 |
| Geographic Distribution, Domestic [Member] | ||
| Deposits [Line Items] | ||
| Time deposits of $250,000 and over | $ 15,348 | $ 13,372 |