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Note 2 - Investment Securities
3 Months Ended
Sep. 30, 2011
Investment Holdings [Text Block]
NOTE 2 – INVESTMENT SECURITIES

The amortized cost and fair value of investment securities as of September 30, 2011 and December 31, 2010 are summarized as follows:

         
Gross
   
Gross
       
   
Amortized
   
Unrealized
   
Unrealized
   
Fair
 
   
Cost
   
Gains
   
(Losses)
   
Value
 
September 30, 2011:
                       
Securities held to maturity, other bonds
  $ 200,000     $ -     $ -     $ 200,000  
                                 
Securities available for sale:
                               
U.S. govt. sponsored agency securities
  $ 412,874,368     $ 2,280,889     $ (371,420 )   $ 414,783,837  
Residential mortgage-backed securities
    80,069,540       3,382,915       -       83,452,455  
Municipal securities
    24,580,364       1,410,952       -       25,991,316  
Trust preferred securities
    86,200       -       (14,400 )     71,800  
Other securities
    1,346,972       106,442       (41,036 )     1,412,378  
    $ 518,957,444     $ 7,181,198     $ (426,856 )   $ 525,711,786  
                                 
December 31, 2010:
                               
Securities held to maturity, other bonds
  $ 300,000     $ -     $ -     $ 300,000  
                                 
Securities available for sale:
                               
U.S. govt. sponsored agency securities
  $ 401,711,432     $ 3,218,843     $ (2,704,919 )   $ 402,225,356  
Residential mortgage-backed securities
    64,912       5,526       -       70,438  
Municipal securities
    20,134,611       579,215       (110,346 )     20,603,480  
Trust preferred securities
    86,200       -       (8,200 )     78,000  
Other securities
    1,414,661       168,331       (13,499 )     1,569,493  
    $ 423,411,816     $ 3,971,915     $ (2,836,964 )   $ 424,546,767  

Gross unrealized losses and fair value, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position as of September 30, 2011 and December 31, 2010, are summarized as follows:

   
Less than 12 Months
   
12 Months or More
   
Total
 
         
Gross
         
Gross
         
Gross
 
   
Fair
   
Unrealized
   
Fair
   
Unrealized
   
Fair
   
Unrealized
 
   
Value
   
Losses
   
Value
   
Losses
   
Value
   
Losses
 
September 30, 2011:
                                   
Securities available for sale:
                                   
U.S. govt. sponsored agency securities
  $ 102,397,415     $ (371,420 )   $ -     $ -     $ 102,397,415     $ (371,420 )
Trust preferred securities
    71,800       (14,400 )     -       -       71,800       (14,400 )
Other securities
    301,176       (40,510 )     2,725       (526 )     303,901       (41,036 )
    $ 102,770,391     $ (426,330 )   $ 2,725     $ (526 )   $ 102,773,116     $ (426,856 )
                                                 
December 31, 2010:
                                               
Securities available for sale:
                                               
U.S. govt. sponsored agency securities
  $ 159,302,061     $ (2,704,919 )   $ -     $ -     $ 159,302,061     $ (2,704,919 )
Municipal securities
    4,333,786       (47,884 )     678,378       (62,462 )     5,012,164       (110,346 )
Trust preferred securities
    86,200       (8,200 )     -       -       86,200       (8,200 )
Other securities
    226,250       (12,671 )     2,872       (828 )     229,122       (13,499 )
    $ 163,948,297     $ (2,773,674 )   $ 681,250     $ (63,290 )   $ 164,629,547     $ (2,836,964 )

At September 30, 2011, the investment portfolio included 331 securities.  Of this number, 54 securities had current unrealized losses with aggregate depreciation less than 1% from the amortized cost basis.  Of these 54, one had unrealized losses for twelve months or more.  All of the debt securities in unrealized loss positions are considered acceptable credit risks.  Based upon an evaluation of the available evidence, including the recent changes in market rates, credit rating information and information obtained from regulatory filings, management believes the declines in fair value for these debt securities are temporary.  In addition, the Company does not intend to sell these securities and it is not more-likely-than-not that the Company will be required to sell these debt securities before their anticipated recovery.  At September 30, 2011 and December 31, 2010, equity securities represented less than 1% of the total portfolio.

The Company did not recognize other-than-temporary impairment on any debt securities for the three and nine months ended September 30, 2011.   During the three months ended September 30, 2010, the Company’s evaluation determined the decline in fair value for one individual issue trust preferred security was other-than-temporary.  As a result, the Company wrote down the value of this security and recognized a loss totaling $113,800.  The Company does not have any other investments in trust preferred securities.

During the second quarter of 2011, the Company’s evaluation determined that two privately held equity securities experienced declines in fair value that were other-than-temporary.  As a result, the Company wrote down the value of these securities and recognized losses in the amount of $118,847.  The Company did not recognize other-than-temporary impairment on any of its equity securities during the first or third quarters of 2011.  Additionally, the Company did not recognize other-than-temporary impairment on any of its equity securities for the three and nine months ended September 30, 2010.

All sales of securities, as applicable, for the three and nine months ended September 30, 2011 and 2010, respectively, were from securities identified as available for sale.  Information on proceeds received, as well as pre-tax gross gains from sales of those securities is as follows:

   
Three Months Ended
   
Nine Months Ended
 
   
September 30, 2011
   
September 30, 2010
   
September 30, 2011
   
September 30, 2010
 
                         
Proceeds from sales of securities
  $ 8,601,107     $ -     $ 54,326,191     $ -  
Pre-tax gross gains from sales of securities
    443,614       -       1,472,528       -  
                                 

The amortized cost and fair value of securities as of September 30, 2011 by contractual maturity are shown below.  A portion of the Company’s U.S. government sponsored agency securities contain call options which allow the issuer, at its discretion, to call the security at predetermined dates prior to the contractual maturity date. Expected maturities of residential mortgage-backed securities may differ from contractual maturities because the residential mortgages underlying the residential mortgage-backed securities may be called or prepaid without any penalties.  Therefore, these securities are not included in the maturity categories in the following table.  “Other securities” are excluded from the maturity categories as there is no fixed maturity date.

   
Amortized
       
   
Cost
   
Fair Value
 
Securities held to maturity:
           
Due in one year or less
  $ 50,000     $ 50,000  
Due after one year through five years
    100,000       100,000  
Due after five years
    50,000       50,000  
    $ 200,000     $ 200,000  
                 
Securities available for sale:
               
Due in one year or less
  $ 2,803,210     $ 2,811,980  
Due after one year through five years
    68,117,087       68,470,834  
Due after five years
    366,620,635       369,564,139  
    $ 437,540,932     $ 440,846,953  
Residential mortgage-backed securities
    80,069,540       83,452,455  
Other securities
    1,346,972       1,412,378  
    $ 518,957,444     $ 525,711,786