Loans And Allowance For Loan Losses (Impaired Loans) (Details) (Noncovered [Member], USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Financing Receivable, Impaired [Line Items]    
With No Specific Allowance Recorded Investment $ 16,195 $ 39,795
With No Specific Allowance Unpaid Principal Balance 19,578 41,540
With A Specific Allowance Recorded Investment 15,812 27,804
With A Specific Allowance Unpaid Principal Balance 22,229 33,722
With A Specific Allowance Related Allowance 3,869 7,946
Commercial Real Estate [Member]    
Financing Receivable, Impaired [Line Items]    
With No Specific Allowance Recorded Investment 12,382 38,077
With No Specific Allowance Unpaid Principal Balance 14,752 39,544
With A Specific Allowance Recorded Investment 11,497 15,903
With A Specific Allowance Unpaid Principal Balance 11,556 16,186
With A Specific Allowance Related Allowance 2,047 4,015
One-To-Four Family Residential [Member]    
Financing Receivable, Impaired [Line Items]    
With No Specific Allowance Recorded Investment 1,115 510
With No Specific Allowance Unpaid Principal Balance 1,833 630
With A Specific Allowance Recorded Investment   42
With A Specific Allowance Unpaid Principal Balance   94
With A Specific Allowance Related Allowance   4
Real Estate Construction [Member]    
Financing Receivable, Impaired [Line Items]    
With No Specific Allowance Recorded Investment 73 84
With No Specific Allowance Unpaid Principal Balance 104 106
With A Specific Allowance Recorded Investment   2,636
With A Specific Allowance Unpaid Principal Balance   2,762
With A Specific Allowance Related Allowance   18
Commercial [Member]    
Financing Receivable, Impaired [Line Items]    
With No Specific Allowance Recorded Investment 2,624 1,120
With No Specific Allowance Unpaid Principal Balance 2,887 1,254
With A Specific Allowance Recorded Investment 4,315 9,177
With A Specific Allowance Unpaid Principal Balance 10,673 14,608
With A Specific Allowance Related Allowance 1,822 3,863
Other [Member]    
Financing Receivable, Impaired [Line Items]    
With No Specific Allowance Recorded Investment 1 4
With No Specific Allowance Unpaid Principal Balance 2 6
With A Specific Allowance Recorded Investment   46
With A Specific Allowance Unpaid Principal Balance   72
With A Specific Allowance Related Allowance   $ 46