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Investment in Mortgage Servicing Rights
6 Months Ended
Jun. 30, 2011
Investment in Mortgage Servicing Rights [Abstract]  
Investment in Mortgage Servicing Rights
(10) Investment in Mortgage Servicing Rights
A summary of mortgage servicing activity is as follows:
                         
    Six Months ended     Twelve Months ended     Six Months ended  
(Dollars in thousands)   June 30, 2011     December 31, 2010     June 30, 2010  
Mortgage servicing rights:
                       
Balance, beginning of period
  $ 1,586       1,315       1,315  
Originations
    147       753       333  
Amortization
    (213 )     (482 )     (219 )
 
                 
Balance, end of period
  $ 1,520       1,586       1,429  
 
                 
Fair value of mortgage servicing rights
  $ 2,297       2,263       2,331  
 
                 
All of the loans being serviced are single family loans serviced for the Federal National Mortgage Association (FNMA) under the mortgage-backed security program or the individual loan sale program. Loans are sold under general representations and warranties and based on insignificant requests for repurchase, a liability has not been recorded for repurchase requests from FNMA. The following is a summary of the risk characteristics of the loans being serviced at June 30, 2011.
                                 
    Loan Principal     Weighted Average     Weighted Average        
(Dollars in thousands)   Balance     Interest Rate     Remaining Term     Number of Loans  
Original term 30 year fixed rate
  $ 218,415       5.20 %     299       1,879  
Original term 15 year fixed rate
    97,291       4.63 %     123       1,445  
Adjustable rate
    693       3.13 %     269       9  
The gross carrying amount of mortgage servicing rights and the associated accumulated amortization at June 30, 2011 is presented in the table below.
                         
    Gross     Accumulated     Unamortized  
(Dollars in thousands)   Carrying Amount     Amortization     Intangible Assets  
Mortgage servicing rights
  $ 4,067       (2,547 )     1,520  
 
                 
Total
  $ 4,067       (2,547 )     1,520  
 
                 
The following table indicates the estimated future amortization expense for mortgage servicing rights:
         
    Mortgage  
(Dollars in thousands)   Servicing Rights  
Year ended December 31,
       
2011
  $ 180  
2012
    330  
2013
    312  
2014
    282  
2015
    236  
Thereafter
    180  
Projections of amortization are based on existing asset balances and the existing interest rate environment as of June 30, 2011. The Company’s actual experiences may be significantly different depending upon changes in mortgage interest rates and other market conditions.