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Investments (Tables)
 6 Months Ended
Jun. 30, 2012
Amortized Cost and Estimated Fair Value of Investment Securities Available for Sale

The amortized cost and estimated fair value of investment securities available-for-sale are as follows

(Dollars in thousands):              

 

    June 30, 2012  
    Amortized Cost     Gross Unrealized Gains     Gross Unrealized Losses     Estimated Fair Value  
                         
U.S. Government agencies   $ 1,294     $ -     $ (6 )   $ 1,288  
Obligations of state and                                
 political subdivisions     76,749       4,166       (146 )     80,769  
U.S. Government agencies                                
 collateralized by mortgage                                
 obligations     334,645       4,470       (785 )     338,330  
Equity Securities     1,336       473       -       1,809  
    $ 414,024     $ 9,109     $ (937 )   $ 422,196  

 

    December 31, 2011  
    Amortized Cost     Gross Unrealized Gains     Gross Unrealized Losses     Estimated Fair Value  
                         
U.S. Government agencies   $ 2,008     $ 18     $ -     $ 2,026  
Obligations of state and                                
 political subdivisions     67,851       3,634       (145 )     71,340  
U.S. Government agencies                                
 collateralized by mortgage                                
 obligations     328,751       4,467       (1,460 )     331,758  
Equity Securities     1,336       11       -       1,347  
    $ 399,946     $ 8,130     $ (1,605 )   $ 406,471  
Information Pertaining to Investment Securities Aggregated by Investment Category and Length of Time that Individual Securities in a Continuous Loss Position

Information pertaining to our investment securities with unrealized losses, aggregated by investment category and length of time that individual securities have been in a continuous loss position, is disclosed in the table below.

  

Investment Portfolio - Unrealized Losses                        
(dollars in thousands, unaudited)   June 30, 2012  
    Less than Twelve Months     Over Twelve Months  
    Gross Unrealized Losses     Fair Value     Gross Unrealized Losses     Fair Value  
                         
U.S. Government Agencies   $ (6 )   $ 1,288     $ -     $ -  
Obligations of State and Political Subdivisions     (107 )     9,085       (40 )     1,060  
U.S. Government agencies collateralized by mortgage                                
        obligations     (784 )     100,197       -       -  
   TOTAL   $ (897 )   $ 110,570     $ (40 )   $ 1,060  

 

    December 31, 2011  
    Less than Twelve Months     Over Twelve Months  
    Gross Unrealized Losses     Fair Value     Gross Unrealized Losses     Fair Value  
                         
Obligations of State and Political Subdivisions   $ (26 )   $ 1,735     $ (119 )   $ 1,978  
U.S. Government agencies collateralized by mortgage                                
        obligations     (1,432 )     144,953       (28 )     949  
   TOTAL   $ (1,458 )   $ 146,688     $ (147 )   $ 2,927