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Securities Available For Sale (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2014
security
Dec. 31, 2013
Mar. 31, 2014
Obligations Of States And Political Subdivisions Thereof [Member]
Dec. 31, 2013
Obligations Of States And Political Subdivisions Thereof [Member]
Dec. 31, 2012
Obligations Of States And Political Subdivisions Thereof [Member]
Mar. 31, 2014
Private Label Mortgage-Backed Securities [Member]
Dec. 31, 2013
Private Label Mortgage-Backed Securities [Member]
Dec. 31, 2012
Private Label Mortgage-Backed Securities [Member]
Mar. 31, 2014
US Government Agency [Member]
Dec. 31, 2013
US Government Agency [Member]
Dec. 31, 2012
US Government Agency [Member]
Mar. 31, 2014
US Government-Sponsored Enterprises [Member]
Dec. 31, 2013
US Government-Sponsored Enterprises [Member]
Dec. 31, 2012
US Government-Sponsored Enterprises [Member]
Schedule of Available for sale Securities [Line Items]                            
Private-label MBS (debt securities), amount held 12                          
Amortized cost included OTTI losses $ 2,064                          
Securities recognized as credit losses in excess of the unrealized losses in accumulated OCI, creating an unrealized gain 11                          
Unrealized gain, net of tax 535                          
OTTI recognized in pre-tax earnings amount, net of tax 533 488                        
Unrealized losses on securities $ 11,108 $ 18,630 $ 3,905 $ 7,503 $ 7,503 $ 11 $ 78 $ 78 $ 1,520 $ 2,457 $ 2,457 $ 5,672 $ 8,592 $ 8,592