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Note 2 - Investment Securities
6 Months Ended
Jun. 30, 2012
Investment Holdings [Text Block]
NOTE 2 – INVESTMENT SECURITIES

The amortized cost and fair value of investment securities as of June 30, 2012 and December 31, 2011 are summarized as follows:

   
Amortized
Cost
   
Gross
Unrealized
Gains
   
Gross
Unrealized
(Losses)
   
Fair
Value
 
June 30, 2012:
                       
Securities held to maturity:
                       
Other bonds
  $ 700,000     $ -     $ -     $ 700,000  
                                 
Securities available for sale:
                               
U.S. govt. sponsored agency securities
  $ 387,413,822     $ 2,377,067     $ (191,137 )   $ 389,599,752  
Residential mortgage-backed and related securities
    162,415,855       3,523,570       (112,224 )     165,827,201  
Municipal securities
    79,658,038       1,834,640       (420,770 )     81,071,908  
Trust preferred securities
    86,200       15,800       -       102,000  
Other securities
    1,319,560       257,847       (40,432 )     1,536,975  
    $ 630,893,475     $ 8,008,924     $ (764,563 )   $ 638,137,836  
                                 
December 31, 2011:
                               
Securities held to maturity:
                               
Other bonds
  $ 200,000     $ -     $ -     $ 200,000  
                                 
Securities available for sale:
                               
U.S. govt. sponsored agency securities
  $ 426,581,913     $ 2,428,994     $ (55,687 )   $ 428,955,220  
Residential mortgage-backed and related securities
    105,373,614       3,488,350       (8,215 )     108,853,749  
Municipal securities
    23,937,118       1,752,246       -       25,689,364  
Trust preferred securities
    86,200       -       (5,400 )     80,800  
Other securities
    1,354,940       140,022       (44,804 )     1,450,158  
    $ 557,333,785     $ 7,809,612     $ (114,106 )   $ 565,029,291  

The Company’s residential mortgage backed and related securities portfolio consists entirely of government sponsored or government guaranteed securities.  The Company has not invested in commercial mortgage-backed securities or pooled trust preferred securities.

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 June 30, 2012 and December 31, 2011, are summarized as follows:

   
Less than 12 Months
   
12 Months or More
   
Total
 
   
Fair
Value
   
Gross
Unrealized
Losses
   
Fair
Value
   
Gross
Unrealized
Losses
   
Fair
Value
   
Gross
Unrealized
Losses
 
June 30, 2012:
                                   
Securities available for sale:
                                   
U.S. govt. sponsored agency securities
  $ 46,609,893     $ (191,137 )   $ -     $ -     $ 46,609,893     $ (191,137 )
Residential mortgage-backed and related securities
    26,844,026       (112,224 )     -       -       26,844,026       (112,224 )
Municipal securities
    21,831,460       (420,770 )     -       -       21,831,460       (420,770 )
Other securities
    200,000       (40,432 )     -       -       200,000       (40,432 )
    $ 95,485,379     $ (764,563 )   $ -     $ -     $ 95,485,379     $ (764,563 )
                                                 
December 31, 2011:
                                               
Securities available for sale:
                                               
U.S. govt. sponsored agency securities
  $ 59,979,620     $ (55,687 )   $ -     $ -     $ 59,979,620     $ (55,687 )
Residential mortgage-backed and related securities
    4,906,398       (8,215 )     -       -       4,906,398       (8,215 )
Trust preferred securities
    -       -       80,800       (5,400 )     80,800       (5,400 )
Other securities
    251,957       (44,332 )     2,778       (472 )     254,735       (44,804 )
    $ 65,137,975     $ (108,234 )   $ 83,578     $ (5,872 )   $ 65,221,553     $ (114,106 )

At June 30, 2012, the investment portfolio included 354 securities.  Of this number, 47 securities had current unrealized losses with aggregate depreciation of less than 1% from the amortized cost basis.  Of these 47, none 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 June 30, 2012 and December 31, 2011, 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 six months ended June 30, 2012 and 2011.

During the second quarter of 2012, the Company’s evaluation determined that one privately held equity security experienced a decline in fair value that was other-than-temporary.  As a result, the Company wrote down the value of this security and recognized a loss in the amount of $62,400.  The Company did not recognize other-than-temporary impairment on any of its equity securities during the first quarter of 2012.

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 quarter of 2011.

All sales of securities, as applicable, for the three and six months ended June 30, 2012 and 2011, 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
   
Six Months Ended
 
   
June 30, 2012
   
June 30, 2011
   
June 30, 2012
   
June 30, 2011
 
                         
Proceeds from sales of securities
  $ 19,215,075     $ 8,331,005     $ 19,215,075     $ 45,725,084  
Pre-tax gross gains from sales of securities
    104,600       148,602       104,600       1,028,914  

The amortized cost and fair value of securities as of June 30, 2012 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 and related securities may differ from contractual maturities because the residential mortgages underlying the residential mortgage-backed and related 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
    550,000       550,000  
    $ 700,000     $ 700,000  
                 
Securities available for sale:
               
Due in one year or less
  $ 2,554,433     $ 2,569,961  
Due after one year through five years
    57,416,808       57,848,858  
Due after five years
    407,186,819       410,354,841  
    $ 467,158,060     $ 470,773,660  
Residential mortgage-backed and related securities
    162,415,855       165,827,201  
Other securities
    1,319,560       1,536,975  
    $ 630,893,475     $ 638,137,836