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Mortgage Servicing Rights (Tables)
3 Months Ended
Mar. 31, 2012
Mortgage Servicing Rights [Abstract]  
Reconciliation of Mortgage Servicing Assets
Mortgage servicing rights are included in other assets and detailed in the following table:

   
March 31,
2012
  
December 31, 2011
  
March 31,
2011
 
Mortgage servicing rights
 $6,110,000  $6,099,000  $5,927,000 
Accumulated amortization
  (5,009,000)  (4,837,000)  (4,417,000)
Impairment reserve
  (300,000)  (61,000)  (20,000)
   $801,000  $1,201,000  $1,490,000