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Commitments And Contingent Liabilities (Schedule Of Contractual Amounts Of Commitments And Contingent Liabilities) (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2012
Commitments To Originate Loans [Member]
Dec. 31, 2011
Commitments To Originate Loans [Member]
Jun. 30, 2012
Unused Lines Of Credit [Member]
Dec. 31, 2011
Unused Lines Of Credit [Member]
Jun. 30, 2012
Un-Advanced Portions Of Construction Loans [Member]
Dec. 31, 2011
Un-Advanced Portions Of Construction Loans [Member]
Jun. 30, 2012
Standby Letters Of Credit [Member]
Dec. 31, 2011
Standby Letters Of Credit [Member]
Jun. 30, 2012
Maximum [Member]
Long-term Purchase Commitment [Line Items]                  
Contractual amounts of commitments and contingent liabilities $ 37,272 $ 23,220 $ 91,019 $ 88,208 $ 4,587 $ 4,986 $ 433 $ 350  
Standby letters of credit terms, in years                 5 years