Loans (Schedule of Composition of Loan Portfolio by Loan Classification) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 537,190	$ 528,784
Allowance for loan losses	(4,891)	(4,043)
Total loans, net	532,299	524,741
Commercial and industrial - organic [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	41,526	45,254
Commercial and industrial - government guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	31,367	22,946
Commercial and industrial - syndicated [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	12,134	13,165
Commercial Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	85,027	81,365
Residential Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,552	3,812
Commercial construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	5,078	13,365
Land and land development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	10,894	9,681
Real Estate Construction and Land [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	17,524	26,858
1-4 family residential, first lien, investment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	40,311	40,313
1-4 family residential, first lien, owner occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	16,775	16,448
1-4 family residential, junior lien [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	3,169	2,965
1-4 family residential-purchased [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	18,647
Home equity lines of credit, first lien [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	8,325	9,238
Home equity lines of credit, junior lien [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	10,912	13,226
Farm [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	10,397	10,445
Multifamily [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	27,328	33,356
Commercial owner occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	93,800	80,261
Commercial non-owner occupied real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	123,214	116,599
Real Estate Mortgages [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	352,878	322,851
Consumer Revolving Credit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	21,540	24,030
Consumer all Other Credit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	5,530	9,036
Student Loans Purchased [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	54,691	64,644
Consumer Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 81,761	$ 97,710