Fair Value Measurements (Fair Value of Assets Measured on Nonrecurring Basis) (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Appraisal Of Collateral [Member] | Weighted Average [Member]
Impaired loans:
Impaired loans, Liquidation expense, Range	10.00%	10.00%
Other real estate owned, Appraisal adjustment, Range	2.00%	35.00%
Discounted Cash Flow Analysis [Member] | Weighted Average [Member]
Impaired loans:
Impaired loans, Discount rate, Range	6.00%	6.00%
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Appraisal Of Collateral [Member]
Impaired loans:
Impaired loans	$ 617	$ 617
Other real estate owned	$ 197	$ 532
Impaired loans, Liquidation expense, Range	10.00%	10.00%
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Appraisal Of Collateral [Member] | Maximum [Member]
Impaired loans:
Other real estate owned, Appraisal adjustment, Range	20.00%	40.00%
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Appraisal Of Collateral [Member] | Minimum [Member]
Impaired loans:
Other real estate owned, Appraisal adjustment, Range	0.00%	20.00%
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Discounted Cash Flow Analysis [Member]
Impaired loans:
Impaired loans	$ 1,432	$ 2,026
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Discounted Cash Flow Analysis [Member] | Maximum [Member]
Impaired loans:
Impaired loans, Discount rate, Range	7.25%	7.25%
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Discounted Cash Flow Analysis [Member] | Minimum [Member]
Impaired loans:
Impaired loans, Discount rate, Range	6.00%	4.00%