Securities (Restricted Investments) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Carrying Value Qualitative Disclosures Related To Election [Line Items]
Restricted securities	$ 1,170	$ 1,107
Federal Reserve Bank Stock [Member]
Carrying Value Qualitative Disclosures Related To Election [Line Items]
Restricted securities	344	344
Federal Home Loan Bank Stock [Member]
Carrying Value Qualitative Disclosures Related To Election [Line Items]
Restricted securities	686	623
Community Bankers' Bank Stock [Member]
Carrying Value Qualitative Disclosures Related To Election [Line Items]
Restricted securities	$ 140	$ 140