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Loans and Allowance for Loan Losses (Schedule of Nonperforming Assets, Including Nonaccruing TDRs) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Summary of nonperforming assets
Nonaccruing troubled debt restructurings	$ 3,220	$ 2,541
Total nonaccrual loans, including nonaccruing TDRs	5,809	5,830
Other real estate owned
Total nonperforming assets	$ 5,809	$ 5,830
Nonperforming assets as a percentage of:
Total assets	0.27%	0.31%
Gross loans	0.32%	0.35%
Total loans over 90 days past due	$ 1,758	$ 458
Loans over 90 days past due and still accruing
Accruing troubled debt restructurings	6,935	6,742
Commercial Loan [Member] | Owner Occupied Re [Member]
Summary of nonperforming assets
Nonaccruing
Commercial Loan [Member] | Non Owner Occupied Re [Member]
Summary of nonperforming assets
Nonaccruing	372	210
Commercial Loan [Member] | Business Loan [Member]
Summary of nonperforming assets
Nonaccruing	65	81
Commercial Loan [Member] | Construction Loans [Member]
Summary of nonperforming assets
Nonaccruing
Consumer Loan [Member] | Other Consumer [Member]
Summary of nonperforming assets
Nonaccruing		12
Consumer Loan [Member] | Construction Loans [Member]
Summary of nonperforming assets
Nonaccruing
Consumer Loan [Member] | Real Estate Loan [Member]
Summary of nonperforming assets
Nonaccruing	1,710	1,980
Consumer Loan [Member] | Home Equity Loan [Member]
Summary of nonperforming assets
Nonaccruing	$ 442	$ 1,006

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Amount of financing receivable 90 days or more past due and still accruing.

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