Fair Value (Schedule of additional quantitative information about assets measured at fair value on a nonrecurring basis) (Details) - Nonrecurring basis $ in Thousands	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets held at fair value	$ 1,656	$ 1,063
Impaired loans
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets held at fair value	239	128
Other real estate owned
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets held at fair value	1,417	935
Significant Unobservable Inputs (Level 3)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets held at fair value	1,656	1,063
Significant Unobservable Inputs (Level 3) | Impaired loans
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets held at fair value	239	128
Significant Unobservable Inputs (Level 3) | Other real estate owned
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets held at fair value	$ 1,417	$ 935
Significant Unobservable Inputs (Level 3) | Appraisal adjustments | Minimum | Other real estate owned
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned, unobservable input (in percent)	0.00	0.00
Significant Unobservable Inputs (Level 3) | Appraisal adjustments | Maximum | Other real estate owned
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned, unobservable input (in percent)	0.20	0.20
Significant Unobservable Inputs (Level 3) | Appraisal of collateral | Appraisal adjustments | Minimum | Impaired loans
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans, unobservable input (in percent)	0.00	0.00
Significant Unobservable Inputs (Level 3) | Appraisal of collateral | Appraisal adjustments | Maximum | Impaired loans
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans, unobservable input (in percent)	0.20	0.20
Significant Unobservable Inputs (Level 3) | Appraisal of collateral | Liquidation expenses | Minimum | Other real estate owned
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned, unobservable input (in percent)	0.00	0.00
Significant Unobservable Inputs (Level 3) | Appraisal of collateral | Liquidation expenses | Maximum | Other real estate owned
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned, unobservable input (in percent)	0.06	0.06