Loans And Allowance For Loan Losses (Average Recorded Investment And Interest Income Recognized On Impaired Loans) (Details) (Noncovered [Member], USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Financing Receivable, Impaired [Line Items]      
Average Recorded Investment $ 40,977 $ 83,599 $ 76,696
Interest Income 1,037 2,200 1,898
Commercial Real Estate [Member]      
Financing Receivable, Impaired [Line Items]      
Average Recorded Investment 30,257 63,125 57,483
Interest Income 968 2,112 1,701
One-To-Four Family Residential [Member]      
Financing Receivable, Impaired [Line Items]      
Average Recorded Investment 2,764 4,645 6,054
Interest Income 1 1 9
Real Estate Construction [Member]      
Financing Receivable, Impaired [Line Items]      
Average Recorded Investment 222 2,801 6,228
Interest Income     51
Commercial [Member]      
Financing Receivable, Impaired [Line Items]      
Average Recorded Investment 7,718 12,899 6,669
Interest Income 68 87 137
Other [Member]      
Financing Receivable, Impaired [Line Items]      
Average Recorded Investment $ 16 $ 129 $ 262