Loans And Related Allowances For Loan Losses (Allowance For Loan Losses Summarized By Loan Portfolio Segments) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Mar. 31, 2012
Dec. 31, 2011
Financing Receivable, Allowance for Credit Losses [Line Items]        
Total Allowance For Loan Losses $ 16,025 $ 16,047 $ 17,213 $ 19,480
Individually evaluated for impairment 2,781 1,632    
Collectively evaluated for impairment 13,244 14,415    
Commercial Real Estate [Member]
       
Financing Receivable, Allowance for Credit Losses [Line Items]        
Total Allowance For Loan Losses 5,789 5,206 6,635 6,218
Individually evaluated for impairment 209 126    
Collectively evaluated for impairment 5,580 5,080    
Acquisition and Development [Member]
       
Financing Receivable, Allowance for Credit Losses [Line Items]        
Total Allowance For Loan Losses 4,760 5,029 5,879 7,190
Individually evaluated for impairment 2,366 1,506    
Collectively evaluated for impairment 2,394 3,523    
Commercial and industrial [Member]
       
Financing Receivable, Allowance for Credit Losses [Line Items]        
Total Allowance For Loan Losses 645 906 929 2,190
Individually evaluated for impairment 128 0    
Collectively evaluated for impairment 517 906    
Residential Mortgage [Member]
       
Financing Receivable, Allowance for Credit Losses [Line Items]        
Total Allowance For Loan Losses 4,483 4,507 3,377 3,430
Individually evaluated for impairment 78 0    
Collectively evaluated for impairment 4,405 4,507    
Consumer [Member]
       
Financing Receivable, Allowance for Credit Losses [Line Items]        
Total Allowance For Loan Losses 348 399 393 452
Individually evaluated for impairment 0 0    
Collectively evaluated for impairment $ 348 $ 399