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Loans And Allowance For Loan Losses (Average Recorded Investment And Interest Income Recognized On Impaired Loans) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Financing Receivable, Impaired [Line Items]    
Average Recorded Investment $ 43,988 $ 32,833
Interest Income 260 269
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member]    
Financing Receivable, Impaired [Line Items]    
Average Recorded Investment 25,133 24,316
Interest Income 252 257
Residential Portfolio Segment [Member] | One-To-Four Family Residential [Member]    
Financing Receivable, Impaired [Line Items]    
Average Recorded Investment 4,067 1,799
Real Estate Construction [Member]    
Financing Receivable, Impaired [Line Items]    
Average Recorded Investment 1,539 246
Commercial Portfolio Segment [Member] | Commercial [Member]    
Financing Receivable, Impaired [Line Items]    
Average Recorded Investment 13,169 6,470
Interest Income 8 12
Consumer Portfolio Segment [Member] | Other [Member]    
Financing Receivable, Impaired [Line Items]    
Average Recorded Investment $ 80 $ 2