Fair Value Measurements (Schedule of Valuation Methodology and Unobservable Inputs for Level 3 Assets Measured at Fair Value on a Nonrecurring Basis) (Details) - Nonrecurring Basis [Member] - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Impaired loans Fair Value	$ 3,909	$ 2,020
Significant Unobservable Inputs Level 3 [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Impaired loans Fair Value	3,909	2,020
Commercial Real Estate [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Impaired loans Fair Value	158	215
Commercial Real Estate [Member] | Significant Unobservable Inputs Level 3 [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Impaired loans Fair Value	$ 158	$ 215
Commercial Real Estate [Member] | Significant Unobservable Inputs Level 3 [Member] | Minimum [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Percentage of valuation technique	6.00%	6.00%
Commercial Real Estate [Member] | Significant Unobservable Inputs Level 3 [Member] | Maximum [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Percentage of valuation technique	10.00%	10.00%
Commercial [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Impaired loans Fair Value	$ 3,751	$ 1,805
Commercial [Member] | Significant Unobservable Inputs Level 3 [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Impaired loans Fair Value	$ 3,751	$ 1,805