Fair Value (Valuation Methodology and Unobservable Inputs for Level Three Assets Measured at Fair Value on Non Recurring Basis) (Details) $ in Thousands	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Other real estate owned [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 94	$ 130
Company Determined Fair Value (Level 3) [Member] | Impaired Loans Partially Charged Off [Member] | Valuation, Market Approach [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value		50
Company Determined Fair Value (Level 3) [Member] | Impaired Loans Specifically Reserved [Member] | Valuation, Market Approach [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value		472
Company Determined Fair Value (Level 3) [Member] | Other real estate owned [Member] | Valuation, Market Approach [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	94	130
Company Determined Fair Value (Level 3) [Member] | Other real estate owned [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 94	$ 130
Other real estate owned [Member] | Measurement Input, Appraised Value [Member] | Company Determined Fair Value (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member] | Valuation, Market Approach [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other Real Estate Owned, Measurement Input	0.18	0.19
Other real estate owned [Member] | Measurement Input, Appraised Value [Member] | Company Determined Fair Value (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member] | Valuation, Market Approach [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other Real Estate Owned, Measurement Input	0.18	0.19
Other real estate owned [Member] | Measurement Input, Appraised Value [Member] | Company Determined Fair Value (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member] | Valuation, Market Approach [Member] | Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other Real Estate Owned, Measurement Input	0.18	0.19
Other real estate owned [Member] | Measurement Input, Cost to Sell [Member] | Company Determined Fair Value (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member] | Valuation, Market Approach [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other Real Estate Owned, Measurement Input	0.13	0.10
Other real estate owned [Member] | Measurement Input, Cost to Sell [Member] | Company Determined Fair Value (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member] | Valuation, Market Approach [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other Real Estate Owned, Measurement Input	0.13	0.10
Other real estate owned [Member] | Measurement Input, Cost to Sell [Member] | Company Determined Fair Value (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member] | Valuation, Market Approach [Member] | Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other Real Estate Owned, Measurement Input	0.13	0.10
Impaired Loans Specifically Reserved [Member] | Measurement Input, Appraised Value [Member] | Company Determined Fair Value (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member] | Valuation, Market Approach [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Specifically Reserved, Measurement Input		0.00
Impaired Loans Specifically Reserved [Member] | Measurement Input, Appraised Value [Member] | Company Determined Fair Value (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member] | Valuation, Market Approach [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Specifically Reserved, Measurement Input		0.00
Impaired Loans Specifically Reserved [Member] | Measurement Input, Appraised Value [Member] | Company Determined Fair Value (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member] | Valuation, Market Approach [Member] | Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Specifically Reserved, Measurement Input		0.00
Impaired Loans Specifically Reserved [Member] | Measurement Input, Cost to Sell [Member] | Company Determined Fair Value (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member] | Valuation, Market Approach [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Specifically Reserved, Measurement Input		0.10
Impaired Loans Specifically Reserved [Member] | Measurement Input, Cost to Sell [Member] | Company Determined Fair Value (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member] | Valuation, Market Approach [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Specifically Reserved, Measurement Input		0.10
Impaired Loans Specifically Reserved [Member] | Measurement Input, Cost to Sell [Member] | Company Determined Fair Value (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member] | Valuation, Market Approach [Member] | Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Specifically Reserved, Measurement Input		0.10
Impaired Loans Partially Charged Off [Member] | Measurement Input, Appraised Value [Member] | Company Determined Fair Value (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member] | Valuation, Market Approach [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Partially Charged Off, Measurement Input		0.00
Impaired Loans Partially Charged Off [Member] | Measurement Input, Appraised Value [Member] | Company Determined Fair Value (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member] | Valuation, Market Approach [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Partially Charged Off, Measurement Input		0.00
Impaired Loans Partially Charged Off [Member] | Measurement Input, Appraised Value [Member] | Company Determined Fair Value (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member] | Valuation, Market Approach [Member] | Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Partially Charged Off, Measurement Input		0.00
Impaired Loans Partially Charged Off [Member] | Measurement Input, Cost to Sell [Member] | Company Determined Fair Value (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member] | Valuation, Market Approach [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Partially Charged Off, Measurement Input		0.10
Impaired Loans Partially Charged Off [Member] | Measurement Input, Cost to Sell [Member] | Company Determined Fair Value (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member] | Valuation, Market Approach [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Partially Charged Off, Measurement Input		0.10
Impaired Loans Partially Charged Off [Member] | Measurement Input, Cost to Sell [Member] | Company Determined Fair Value (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member] | Valuation, Market Approach [Member] | Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Partially Charged Off, Measurement Input		0.10