Fair Value Measurements (Fair Value of Assets Measured on Nonrecurring Basis) (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
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	1.00%
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	$ 610
Other real estate owned	$ 203
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
Impaired loans:
Other real estate owned, Appraisal adjustment, Range	19.00%
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Appraisal of Collateral [Member] | Minimum
Impaired loans:
Other real estate owned, Appraisal adjustment, Range	0.00%
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Discounted Cash Flow Analysis [Member]
Impaired loans:
Impaired loans	$ 413	$ 1,110
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Discounted Cash Flow Analysis [Member] | Maximum
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
Impaired loans:
Impaired loans, Discount rate, Range	4.00%	6.00%