Fair Value Measurements (Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis) (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest bearing time deposits with banks	$ 3,535	$ 350
Interest bearing deposits	406,078	361,757
Long-term debt	15,000	25,000
Other interest bearing liabilities	1,568	1,593
Carrying Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest bearing time deposits with banks	3,535	350
Loans, net of allowance for loan losses	415,037	380,965
Interest bearing deposits	406,078	361,757
Long-term debt	15,000	25,000
Other interest bearing liabilities	1,568	1,593
Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest bearing time deposits with banks	3,510	350
Loans, net of allowance for loan losses	408,456	372,906
Interest bearing deposits	404,957	361,468
Long-term debt	14,923	24,885
Other interest bearing liabilities	1,569	1,595
Fair Value [Member] | (Level 2) Significant Other Observable Inputs [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest bearing time deposits with banks	3,510	350
Interest bearing deposits	404,957	361,468
Long-term debt	14,923	24,885
Other interest bearing liabilities	1,569	1,595
Fair Value [Member] | (Level 3) Significant Other Unobservable Inputs [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net of allowance for loan losses	$ 408,456	$ 372,906