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Other Investments
6 Months Ended
Jun. 30, 2012
Other Investments [Abstract]  
Other Investments
3.  Other Investments
 
The Company is required to own stock in the Federal Reserve Bank of Atlanta ("FRB-Atlanta") and as a member of the Federal Home Loan Bank system, owns stock in the Federal Home Loan Bank of Dallas ("FHLB-Dallas").  The Company accounts for FRB-Atlanta and FHLB-Dallas stock as other investments along with stock ownership in two correspondent banks and a Community Reinvestment Act ("CRA") investment in a Senior Housing Crime Prevention program in Louisiana. The CRA investment consisted of three government-sponsored agency mortgage-backed securities purchased by the Company and held by the Senior Housing Crime Prevention program.  The majority of the interest earned on the securities provides income to the program.
 
For impairment analysis, the Company reviews financial statements and regulatory capital ratios for each of the banks in which the Company owns stock to verify financial stability and regulatory compliance with capital requirements.  As of June 30, 2012 and December 31, 2011, based upon quarterly reviews, management determined that there was no impairment in the bank stocks held as other investments.
 
The aggregate carrying amount of other investments consisted of the following (in thousands):
 
   
June 30, 2012
  
December 31, 2011
 
        
FRB-Atlanta
 $2,255  $2,071 
FHLB-Dallas
  587   586 
Other bank stocks
  853   853 
CRA investment
  2,120   2,127 
   $5,815  $5,637