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Allowance for Loan Losses (Average Recorded Investment in Impaired Loans and Related Interest Income Recognized) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Average recorded investment in impaired loans and related interest income recognized    
Average investment in impaired loans $ 2,623 $ 3,584
Interest income recognized:    
Interest income recognized on a cash basis on impaired loans 1   
Commercial loans secured by real estate [Member]
   
Average recorded investment in impaired loans and related interest income recognized    
Average investment in impaired loans 2,623 3,572
Interest income recognized:    
Interest income recognized on a cash basis on impaired loans 1   
Consumer [Member]
   
Average recorded investment in impaired loans and related interest income recognized    
Average investment in impaired loans    $ 12