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Commitments And Contingencies (Tables)
3 Months Ended
Mar. 31, 2013
Commitments And Contingencies [Abstract]  
Summary Of The Total Unfunded, Or Off-Balance Sheet, Credit Extension Commitments
    March 31,
Dollars in thousands   2013
Commitments to extend credit:    
Revolving home equity and    
credit card lines $ 47,857
Construction loans   17,339
Other loans   29,274
Standby letters of credit   1,830
Total $ 96,300