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Mortgage Servicing Rights (Tables)
9 Months Ended
Sep. 30, 2012
Mortgage Servicing Rights [Abstract]  
Schedule of Servicing Assets at Fair Value [Table Text Block]
Nine Months Ended
September 30
(Dollars in thousands) 2012 2011
Cost of mortgage servicing rights:
Beginning balance  $        730  $         933
    Originations                  -                  -
    Amortization           (203)            (145)
Ending balance  $        527  $         788
Valuation allowance:
Beginning balance  $      (362)  $        (330)
   Valuation charges             (17)              (81)
   Valuation reversals            104               12
Ending balance  $      (275)  $        (399)
Mortgage servicing rights cost  $        527  $         788
Valuation allowance           (275)            (399)
Carrying value  $        252  $         389
Fair value  $        252  $         389