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Regulatory Matters (Tables)
9 Months Ended
Sep. 30, 2012
Regulatory Matters [Abstract]  
Summary Of Actual Capital Amounts And Ratios
                    To be Well Capitalized  
            Minimum Required     under Prompt Corrective  
    Actual       Regulatory Capital     Action Provisions  
Dollars in thousands   Amount Ratio     Amount Ratio     Amount Ratio  
As of September 30, 2012                        
Total Capital (to risk weighted assets)                        
Summit $ 138,726 13.8 % $ 80,134 8.0 % $ 100,168 10.0 %
Summit Community   146,450 14.6 %   80,174 8.0 %   100,217 10.0 %
Tier I Capital (to risk weighted assets)                        
Summit   113,236 11.3 %   40,067 4.0 %   60,101 6.0 %
Summit Community   133,760 13.3 %   40,087 4.0 %   60,130 6.0 %
Tier I Capital (to average assets)                        
Summit   113,236 8.0 %   56,302 4.0 %   70,378 5.0 %
Summit Community   133,760 9.5 %   56,320 4.0 %   70,400 5.0 %
 
As of December 31, 2011                        
Total Capital (to risk weighted assets)                        
Summit   136,060 13.0 %   83,617 8.0 %   104,522 10.0 %
Summit Community   142,329 13.6 %   83,604 8.0 %   104,505 10.0 %
Tier I Capital (to risk weighted assets)                        
Summit   109,989 10.5 %   41,809 4.0 %   62,713 6.0 %
Summit Community   129,058 12.3 %   41,802 4.0 %   62,703 6.0 %
Tier I Capital (to average assets)                        
Summit   109,989 7.6 %   58,031 4.0 %   72,538 5.0 %
Summit Community   129,058 8.9 %   57,995 4.0 %   72,493 5.0 %