Fair Value of Assets and Liabilities (Schedule Of Assets Measured At Fair Value On Recurring Basis) (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available-for-sale	$ 146,089	$ 158,591
Recurring [Member] | U.S. Treasury Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available-for-sale	13,572	14,071
Recurring [Member] | U.S. Agency [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available-for-sale	14,742	17,303
Recurring [Member] | U.S. Agency Mortgage-Backed, Residential [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available-for-sale	72,066	75,175
Recurring [Member] | State And Municipal [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available-for-sale	45,709	52,042
(Level 1) Quoted Prices In Active Markets For Identical Assets [Member] | Recurring [Member] | U.S. Treasury Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available-for-sale	13,572	14,071
(Level 1) Quoted Prices In Active Markets For Identical Assets [Member] | Recurring [Member] | U.S. Agency [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available-for-sale	0	0
(Level 1) Quoted Prices In Active Markets For Identical Assets [Member] | Recurring [Member] | U.S. Agency Mortgage-Backed, Residential [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available-for-sale	0	0
(Level 1) Quoted Prices In Active Markets For Identical Assets [Member] | Recurring [Member] | State And Municipal [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available-for-sale	0	0
(Level 2) Significant Other Observable Inputs [Member] | Recurring [Member] | U.S. Treasury Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available-for-sale	0	0
(Level 2) Significant Other Observable Inputs [Member] | Recurring [Member] | U.S. Agency [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available-for-sale	14,742	17,303
(Level 2) Significant Other Observable Inputs [Member] | Recurring [Member] | U.S. Agency Mortgage-Backed, Residential [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available-for-sale	72,066	75,175
(Level 2) Significant Other Observable Inputs [Member] | Recurring [Member] | State And Municipal [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available-for-sale	45,709	52,042
(Level 3) Significant Other Unobservable Inputs [Member] | Recurring [Member] | U.S. Treasury Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available-for-sale	0	0
(Level 3) Significant Other Unobservable Inputs [Member] | Recurring [Member] | U.S. Agency [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available-for-sale	0	0
(Level 3) Significant Other Unobservable Inputs [Member] | Recurring [Member] | U.S. Agency Mortgage-Backed, Residential [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available-for-sale	0	0
(Level 3) Significant Other Unobservable Inputs [Member] | Recurring [Member] | State And Municipal [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available-for-sale	$ 0	$ 0