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Regulatory Matters (Schedule Of Capital Ratios For The Bank) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Regulatory Matters [Abstract]        
Total capital (to risk-weighted assets), Actual, Amount $ 61,888 $ 56,365    
Total capital (to risk-weighted assets), Actual, Ratio 12.05% 11.54%    
Total capital (to risk-weighted assets), Minimum Capital Requirement, Amount $ 53,909 $ 51,304    
Total capital (to risk-weighted assets), Minimum Capital Requirement, Ratio 10.50% [1] 10.50% [1] 8.00%  
Total capital (to risk-weighted assets), To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount $ 51,342 $ 48,861    
Total capital (to risk-weighted assets), To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio 10.00% 10.00%    
Tier I capital (to risk-weighted assets), Actual, Amount $ 57,136 $ 50,649    
Tier I capital (to risk-weighted assets), Actual, Ratio 11.13% 10.37%    
Tier I capital (to risk-weighted assets), Minimum Capital Requirement, Amount $ 43,641 $ 41,532    
Tier I capital (to risk-weighted assets), Minimum Capital Requirement, Ratio 8.50% [1] 8.50% [1] 6.00% 4.00%
Tier I capital (to risk-weighted assets), To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount $ 41,074 $ 39,089    
Tier I capital (to risk-weighted assets), To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio 8.00% 8.00% 6.00%  
Common Equity Tier I capital (to risk-weighted assets) Actual , Amount $ 57,136 $ 50,649    
Common Equity Tier I capital (to risk-weighted assets) Actual , Ratio 11.13% 10.37%    
Common Equity Tier I capital (to risk-weighted assets) Minimum Capital Requirement, Amount $ 35,939 $ 34,202    
Common Equity Tier I capital (to risk-weighted assets), Minimum Capital Requirement, Ratio 7.00% [1] 7.00% [1] 4.50%  
Common Equity Tier 1 capital (to risk-weighted assets) To Be Well Capitalized Under Prompt Corrective Action Provisions, amount $ 33,372 $ 31,759    
Common Equity Tier I capital (to risk-weighted assets) To Be Well Capitalized Under Promp Corrective Action Provisions, Ratio 6.50% 6.50%    
Tier I capital (leverage) (to average assets), Actual, Amount $ 57,136 $ 50,649    
Tier I capital (leverage) (to average assets), Actual, Ratio 9.12% 8.94%    
Tier I capital (leverage) (to average assets), Minimum Capital Requirement, Amount $ 25,057 $ 22,656    
Tier I capital (leverage) (to average assets), Minimum Capital Requirement, Ratio [1] 4.00% 4.00%    
Tier I capital (leverage) (to average assets), To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount $ 31,321 $ 28,320    
Tier I capital (leverage) (to average assets), To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio 5.00% 5.00%    
[1] Includes capital conservation buffer after full phase-in where applicable.