Loans And Related Allowances For Loan Losses (Allowance For Loan Losses Summarized By Loan Portfolio Segments Roll Forward) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Financing Receivable, Allowance for Credit Losses [Line Items]    
ALL Beginning Balance $ 16,047 $ 19,480
Charge-offs (1,178) (10,954)
Recoveries 291 563
Provision for loan losses 865 8,124
ALL Ending Balance 16,025 17,213
Commercial Real Estate [Member]
   
Financing Receivable, Allowance for Credit Losses [Line Items]    
ALL Beginning Balance 5,206 6,218
Charge-offs 0 (1,161)
Recoveries 100 0
Provision for loan losses 483 1,578
ALL Ending Balance 5,789 6,635
Acquisition and Development [Member]
   
Financing Receivable, Allowance for Credit Losses [Line Items]    
ALL Beginning Balance 5,029 7,190
Charge-offs (4) (246)
Recoveries 8 12
Provision for loan losses (273) (1,077)
ALL Ending Balance 4,760 5,879
Commercial and industrial [Member]
   
Financing Receivable, Allowance for Credit Losses [Line Items]    
ALL Beginning Balance 906 2,190
Charge-offs (876) (9,091)
Recoveries 49 330
Provision for loan losses 566 7,500
ALL Ending Balance 645 929
Residential Mortgage [Member]
   
Financing Receivable, Allowance for Credit Losses [Line Items]    
ALL Beginning Balance 4,507 3,430
Charge-offs (155) (283)
Recoveries 31 99
Provision for loan losses 100 131
ALL Ending Balance 4,483 3,377
Consumer [Member]
   
Financing Receivable, Allowance for Credit Losses [Line Items]    
ALL Beginning Balance 399 452
Charge-offs (143) (173)
Recoveries 103 122
Provision for loan losses (11) (8)
ALL Ending Balance $ 348 $ 393