Securities (Narrative Disclosures) (Details) |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2016
USD ($)
securities
|
Dec. 31, 2015
USD ($)
|
Dec. 31, 2014
USD ($)
|
|
| Investments, Debt and Equity Securities [Abstract] | |||
| Gain on sale of available-for-sale securities | $ | $ 10,000 | $ 0 | $ 0 |
| Number of available-for-sale securities sold | securities | 5 | ||
| Proceeds from sale of available-for-sale securities | $ | 0 | $ 0 | |
| Available-for-sale securities pledged as collateral | $ | $ 22,400,000 | 23,000,000 | |
| Available-for-sale securities in unrealized loss positions | securities | 108 | ||
| Available-for-sale securities in an unrealized loss position, twelve months or greater | securities | 7 | ||
| Other than temporary impairment on available-for-sale securities | $ | $ 0 | 0 | |
| Held-to-maturity securities in unrealized loss positions | securities | 57 | ||
| Held-to-maturity securities in an unrealized loss position, twelve months or greater | securities | 0 | ||
| Other than temporary impairment on held-to-maturity securities | $ | $ 0 | $ 0 | |