Fair Value Measurements (Quantified Information About Level 3 Fair Value Measurements For Assets Measured At Fair Value On A Non-recurring Basis) (Details) - Fair Value, Nonrecurring [Member] - Impaired Loans [Member] - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans fair value	$ 3,669	$ 3,990
Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans fair value	3,669	3,990
Level 3 [Member] | Residential Real Estate [Member] | Sales Comparison Approach [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans fair value	3,523	3,807
Level 3 [Member] | Commercial And Industrial [Member] | Discounted Cash Flow [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans fair value	44	70
Level 3 [Member] | Other [Member] | Discounted Cash Flow [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans fair value	$ 102	$ 113