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Commitments And Contingencies (Tables)
9 Months Ended
Sep. 30, 2012
Commitments And Contingencies [Abstract]  
Summary Of The Total Unfunded, Or Off-Balance Sheet, Credit Extension Commitments
    September 30,
Dollars in thousands   2012
Commitments to extend credit:    
Revolving home equity and    
credit card lines $ 47,234
Construction loans   18,524
Other loans   34,537
Standby letters of credit   1,825
Total $ 102,120