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Investment in Securities (Tables)
9 Months Ended
Sep. 30, 2012
Investment in Securities [Abstract]  
Investments in securities
Investments in securities at September 30, 2012, December 31, 2011 and September 30, 2011 consisted of the following:
 
   
September 30, 2012
  
December 31, 2011
  
September 30, 2011
 
   
Cost
  
Fair Value
  
Cost
  
Fair Value
  
Cost
  
Fair Value
 
   
(In thousands)
 
Trading securities:
                  
  Government obligations
 $28,731  $28,742  $42,124  $42,126  $18,698  $18,699 
  Common stocks
  160,027   170,846   153,294   159,314   166,989   160,861 
  Mutual funds
  1,064   1,461   1,084   1,307   1,081   1,178 
  Other investments
  382   484   466   399   442   396 
Total trading securities
  190,204   201,533   196,968   203,146   187,210   181,134 
                          
Available for sale securities:
                        
  Common stocks
  14,931   32,239   16,487   33,282   16,724   31,903 
  Mutual funds
  1,105   1,673   1,362   1,905   1,361   1,722 
Total available for sale securities
  16,036   33,912   17,849   35,187   18,085   33,625 
                          
Total investments in securities
 $206,240  $235,445  $214,817  $238,333  $205,295  $214,759 

Securities sold, not yet purchased
Securities sold, not yet purchased at September 30, 2012, December 31, 2011 and September 30, 2011 consisted of the following:
 
   
September 30, 2012
  
December 31, 2011
  
September 30, 2011
 
   
Proceeds
  
Fair Value
  
Proceeds
  
Fair Value
  
Proceeds
  
Fair Value
 
Trading securities:
 
(In thousands)
 
  Common stocks
 $3,044  $3,816  $5,271  $5,415  $7,979  $6,743 
  Other investments
  -   40   49   73   -   - 
Total securities sold, not yet purchased
 $3,044  $3,856  $5,320  $5,488  $7,979  $6,743 
 
Investments in sponsored registered investment companies
Investments in sponsored registered investment companies at September 30, 2012, December 31, 2011 and September 30, 2011 consisted of the following:
 
   
September 30, 2012
  
December 31, 2011
  
September 30, 2011
 
   
Cost
  
Fair Value
  
Cost
  
Fair Value
  
Cost
  
Fair Value
 
   
(In thousands)
 
Trading securities:
                  
  Mutual funds
 $19  $24  $15  $18  $15  $24 
Total trading securities
  19   24   15   18   15   24 
                          
Available for sale securities:
                        
  Closed-end funds
  36,721   60,731   37,104   55,855   38,116   52,156 
  Mutual funds
  2,080   3,468   2,213   3,341   2,241   3,384 
Total available for sale securities
  38,801   64,199   39,317   59,196   40,357   55,540 
                          
Total investments in sponsored
                        
  registered investment companies
 $38,820  $64,223  $39,332  $59,214  $40,372  $55,564 

Summary of Available-for-sale Securities
The following is a summary of the cost, gross unrealized gains, gross unrealized losses and fair value of available for sale investments as of September 30, 2012, December 31, 2011 and September 30, 2011:
 
   
September 30, 2012
 
      
Gross
  
Gross
    
      
Unrealized
  
Unrealized
  
Fair
 
   
Cost
  
Gains
  
Losses
  
Value
 
   
(In thousands)
 
Common stocks
 $14,931  $17,308  $-  $32,239 
Closed-end Funds
  36,721   24,010   -   60,731 
Mutual funds
  3,185   1,956   -   5,141 
Total available for sale securities
 $54,837  $43,274  $-  $98,111 
                  
   
December 31, 2011
 
       
Gross
  
Gross
     
       
Unrealized
  
Unrealized
  
Fair
 
   
Cost
  
Gains
  
Losses
  
Value
 
   
(In thousands)
 
Common stocks
 $16,487  $16,795  $-  $33,282 
Closed-end Funds
  37,104   18,779   (28)  55,855 
Mutual funds
  3,575   1,671   -   5,246 
Total available for sale securities
 $57,166  $37,245  $(28) $94,383 
                  
   
September 30, 2011
 
       
Gross
  
Gross
     
       
Unrealized
  
Unrealized
  
Fair
 
   
Cost
  
Gains
  
Losses
  
Value
 
   
(In thousands)
 
Common stocks
 $16,724  $15,179  $-  $31,903 
Closed-end Funds
  38,116   14,040   -   52,156 
Mutual funds
  3,602   1,504   -   5,106 
Total available for sale securities
 $58,442  $30,723  $-  $89,165 
 
Investments classified as available for sale unrealized loss position
Investments classified as available for sale that are in an unrealized loss position for which other-than-temporary impairment has not been recognized consisted of the following:
 
   
September 30, 2012
  
December 31, 2011
  
September 30, 2011
 
      
Unrealized
        
Unrealized
        
Unrealized
    
   
Cost
  
Losses
  
Fair Value
  
Cost
  
Losses
  
Fair Value
  
Cost
  
Losses
  
Fair Value
 
(in thousands)
 
Mutual Funds
 $-  $-  $-  $101  $(28) $73  $100  $(21) $79