Guarantees, Commitments and Contingencies (Tables)
 9 Months Ended
Sep. 30, 2012
Guarantees, Commitments and Contingencies [Abstract]  
Summary of commitments and contingent liabilities
                 
    September 30,
2012		     December 31,
2011		  
    (Dollars in Thousands)  

Standby Letters of Credit

   $ 1,042     $ 1,172  

Commitments to Extend Credit

   $ 28,850     $ 45,736