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Fair Value (Tables)
9 Months Ended
Sep. 30, 2013
Fair Value [Abstract]  
Fair value measurements by level for assets measured at fair value on a recurring basis
The following tables summarize fair value measurements by level for assets measured at fair value on a recurring basis:
 

As of September 30, 2013:
            
              
Description
 
Total
  
Level 1
  
Level 2
  
Level 3
 
             
U.S. government obligations
 $106,136  $106,136  $-  $- 
Residential mortgage-backed securities
  14,654   -   14,654   - 
Commercial mortgage-backed securities
  27,014   -   27,014   - 
State and municipal obligations
  111,419   -   111,419   - 
Corporate securities
  133,107   -   125,745   7,362 
Options embedded in convertible securities
  2,248   -   2,248   - 
Foreign government obligations
  25,176   -   25,176   - 
      Total fixed maturities
  419,754   106,136   306,256   7,362 
Equity securities
  129,446   129,446   -   - 
Short term
  4,419   4,419   -   - 
Cash equivalents
  95,058   -   95,058   - 
   $648,677  $240,001  $401,314  $7,362 


As of December 31, 2012:
            
              
Description
 
Total
  
Level 1
  
Level 2
  
Level 3
 
             
U.S. government obligations
 $70,742  $70,742  $-  $- 
Residential mortgage-backed securities
  25,040   -   25,040   - 
Commercial mortgage-backed securities
  11,828   -   11,828   - 
State and municipal obligations
  194,865   -   194,865   - 
Corporate securities
  118,945   -   107,263   11,682 
Options embedded in convertible securities
  1,651   -   1,651   - 
Foreign government obligations
  22,598   -   22,598   - 
      Total fixed maturities
  445,669   70,742   363,245   11,682 
Equity securities
  107,582   107,582   -   - 
Short term
  4,201   4,201   -   - 
Cash equivalents
  64,450   -   64,450   - 
   $621,902  $182,525  $427,695  $11,682 

Reconciliation of beginning and ending balances of assets measured at fair value on a recurring basis using level 3 inputs
A reconciliation of the beginning and ending balances of assets measured at fair value on a recurring basis using Level 3 inputs is as follows for the nine months ended September 30, 2013 and for the year ended December 31, 2012:
 
   
2013
  
2012
 
Beginning of period balance
 $11,682  $17,050 
Net realized and unrealized gain included in
        
earnings or changes in net assets
  969   1,653 
Purchases
  -   400 
Settlements
  (5,289)  (7,421)
End of period balance
 $7,362  $11,682 
 
Summary of the carrying value and fair value by level of financial instruments
A summary of the carrying value and fair value by level of financial instruments not recorded at fair value on the Company’s consolidated balance sheets at September 30, 2013 and December 31, 2012 are as follows:
 

   
Carrying
  
Fair Value
 
   
Value
  
Level 1
  
Level 2
  
Level 3
  
Total
 
                
September 30, 2013
               
Assets:   Limited partnerships
 $59,722  $-  $-  $59,722  $59,722 
Liabilities:   Short-term borrowings
  10,000   -   10,000   -   10,000 
                      
December 31, 2012
                    
Assets:   Limited partnerships
  59,954   -   -   59,954   59,954 
Liabilities:   Short-term borrowings
  10,000   -   10,000   -   10,000