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Loans and Allowance for Loan Losses (Schedule of Nonperforming Assets, Including Nonaccruing TDRs) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Summary of nonperforming assets
Nonaccruing troubled debt restructurings	$ 4,186	$ 4,111
Total nonaccrual loans, including nonaccruing TDRs	9,933	6,794
Other real estate owned
Total nonperforming assets	$ 9,933	$ 6,794
Nonperforming assets as a percentage of:
Total assets	0.42%	0.30%
Gross loans	0.49%	0.35%
Total loans over 90 days past due	$ 2,181	$ 2,038
Loans over 90 days past due and still accruing
Accruing troubled debt restructurings	7,939	5,219
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	3,268	188
Commercial Loan [Member] | Business Loan [Member]
Summary of nonperforming assets
Nonaccruing	231	235
Commercial Loan [Member] | Construction Loans [Member]
Summary of nonperforming assets
Nonaccruing
Consumer Loan [Member] | Other Consumer [Member]
Summary of nonperforming assets
Nonaccruing
Consumer Loan [Member] | Construction Loans [Member]
Summary of nonperforming assets
Nonaccruing
Consumer Loan [Member] | Real Estate Loan [Member]
Summary of nonperforming assets
Nonaccruing	1,821	1,829
Consumer Loan [Member] | Home Equity Loan [Member]
Summary of nonperforming assets
Nonaccruing	$ 427	$ 431

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

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