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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2012
Commitments and Contingencies [Abstract]  
Contractual amount of off-balance-sheet financial instruments
                 

(in thousands)

  2012     2011  

Commitments to extend credit

  $ 118,412     $ 117,171  

Standby letters of credit

    2,995       2,992