Fair Value Measurements (Financial Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Securities available for sale
Total assets at fair value	$ 152,420	$ 165,003
Significant Other Observable Inputs (Level 2) [Member]
Securities available for sale
Total assets at fair value	152,420	165,003
Obligations Of U.S. Government Corporations And Agencies [Member]
Securities available for sale
Total assets at fair value	17,634	22,186
Obligations Of U.S. Government Corporations And Agencies [Member] | Significant Other Observable Inputs (Level 2) [Member]
Securities available for sale
Total assets at fair value	17,634	22,186
Mortgage-Backed Securities [Member]
Securities available for sale
Total assets at fair value	104,847	108,161
Mortgage-Backed Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Securities available for sale
Total assets at fair value	104,847	108,161
Obligations Of States And Political Subdivisions [Member]
Securities available for sale
Total assets at fair value	29,439	34,656
Obligations Of States And Political Subdivisions [Member] | Significant Other Observable Inputs (Level 2) [Member]
Securities available for sale
Total assets at fair value	29,439	$ 34,656
Corporate securities
Securities available for sale
Total assets at fair value	500
Corporate securities | Significant Other Observable Inputs (Level 2) [Member]
Securities available for sale
Total assets at fair value	$ 500