Securities (Fair Values Of Securities Classified As Available-for-sale By Contractual Maturity) (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items]    
Due in one year or less, Amortized Cost $ 2,006  
Due after one year through five years, Amortized Cost 24,475  
Due after five years through ten years, Amortized Cost 5,641  
Due after ten years, Amortized Cost 10,648  
Equity, Amortized Cost 2,428  
Securities available-for-sale, Amortized Cost 222,176 226,622
Due in one year or less, Fair Value 2,017  
Due after one year through five years, Fair Value 24,812  
Due after five years through ten years, Fair Value 6,010  
Due after ten years, Fair Value 9,689  
Equity, Fair Value 2,652  
Securities available-for-sale, Fair Value 225,667 228,836
U S Governmemt Agency Residential Mortgage-backed Securities [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Debt securities, Amortized Cost 150,647  
Securities available-for-sale, Amortized Cost 150,647 174,850
Debt securities, Fair Value 153,865  
Securities available-for-sale, Fair Value 153,865 177,539
Collateralized Mortgage Obligations [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Debt securities, Amortized Cost 26,331  
Securities available-for-sale, Amortized Cost   15,298
Debt securities, Fair Value 26,622  
Securities available-for-sale, Fair Value   $ 15,527