Fair Value Measurements (Asset Measured At Fair Value On A Nonrecurring Basis) (Details) (Fair Value Measurements Nonrecurring [Member], USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Noncovered impaired loans at fair value:    
Assets fair value, Total $ 27,339 $ 46,174
Commercial Real Estate [Member]
   
Noncovered impaired loans at fair value:    
Assets fair value, Total 11,762 20,764
One-To-Four Family Residential [Member]
   
Noncovered impaired loans at fair value:    
Loans held for sale 763 2,235
Assets fair value, Total   1,045
Real Estate Construction [Member]
   
Noncovered impaired loans at fair value:    
Assets fair value, Total   2,636
Commercial [Member]
   
Noncovered impaired loans at fair value:    
Assets fair value, Total 5,722 9,176
Other Consumer [Member]
   
Noncovered impaired loans at fair value:    
Assets fair value, Total   75
Other loans held for sale [Member]
   
Noncovered impaired loans at fair value:    
Loans held for sale 17 56
Government Guaranteed Commercial Real Estate [Member]
   
Noncovered impaired loans at fair value:    
Loans held for sale 705 769
Noncovered Other Real Estate [Member]
   
Noncovered impaired loans at fair value:    
Assets fair value, Total 3,097 2,654
Goodwill [Member]
   
Noncovered impaired loans at fair value:    
Assets fair value, Total 1,214 1,214
Core Deposits [Member]
   
Noncovered impaired loans at fair value:    
Assets fair value, Total 530 2,058
Mortgage Loan Servicing Rights [Member]
   
Noncovered impaired loans at fair value:    
Assets fair value, Total 3,529 3,492
Level 2 Inputs [Member]
   
Noncovered impaired loans at fair value:    
Assets fair value, Total 23,810 42,682
Level 2 Inputs [Member] | Commercial Real Estate [Member]
   
Noncovered impaired loans at fair value:    
Assets fair value, Total 11,762 20,764
Level 2 Inputs [Member] | One-To-Four Family Residential [Member]
   
Noncovered impaired loans at fair value:    
Loans held for sale 763 2,235
Assets fair value, Total   1,045
Level 2 Inputs [Member] | Real Estate Construction [Member]
   
Noncovered impaired loans at fair value:    
Assets fair value, Total   2,636
Level 2 Inputs [Member] | Commercial [Member]
   
Noncovered impaired loans at fair value:    
Assets fair value, Total 5,722 9,176
Level 2 Inputs [Member] | Other Consumer [Member]
   
Noncovered impaired loans at fair value:    
Assets fair value, Total   75
Level 2 Inputs [Member] | Other loans held for sale [Member]
   
Noncovered impaired loans at fair value:    
Loans held for sale 17 56
Level 2 Inputs [Member] | Government Guaranteed Commercial Real Estate [Member]
   
Noncovered impaired loans at fair value:    
Loans held for sale 705 769
Level 2 Inputs [Member] | Noncovered Other Real Estate [Member]
   
Noncovered impaired loans at fair value:    
Assets fair value, Total 3,097 2,654
Level 2 Inputs [Member] | Goodwill [Member]
   
Noncovered impaired loans at fair value:    
Assets fair value, Total 1,214 1,214
Level 2 Inputs [Member] | Core Deposits [Member]
   
Noncovered impaired loans at fair value:    
Assets fair value, Total 530 2,058
Level 3 Inputs [Member]
   
Noncovered impaired loans at fair value:    
Assets fair value, Total 3,529 3,492
Level 3 Inputs [Member] | Mortgage Loan Servicing Rights [Member]
   
Noncovered impaired loans at fair value:    
Assets fair value, Total $ 3,529 $ 3,492