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Fair Value (Tables)
9 Months Ended
Sep. 30, 2012
Fair Value [Abstract]  
Fair value assets measured at fair value on a recurring basis
Assets and liabilities recorded at fair value in the consolidated balance sheets are categorized based upon the level of judgment associated with the inputs used to measure their fair value. The following tables summarize fair value measurements by level for assets measured at fair value on a recurring basis:

As of September 30, 2012:
            
              
Description
 
Total
  
Level 1
  
Level 2
  
Level 3
 
             
U.S. government obligations
 $70,686  $70,686  $-  $- 
Residential mortgage-backed securities
  16,808   -   16,808   - 
Commercial mortgage-backed securities
  14,717   -   14,717   - 
State and municipal obligations
  195,300   -   195,300   - 
Corporate securities
  122,628   -   108,682   13,946 
Options embedded in convertible securities
  1,612   -   1,612   - 
Foreign government obligations
  21,833   -   21,833   - 
Total fixed maturities
  443,584   70,686   358,952   13,946 
Equity securities
  103,882   103,882   -   - 
Short term
  3,580   3,580   -   - 
Cash equivalents
  62,903   -   62,903   - 
   $613,949  $178,148  $421,855  $13,946 


As of December 31, 2011:
            
              
Description
 
Total
  
Level 1
  
Level 2
  
Level 3
 
             
U.S. government obligations
 $73,137  $73,137  $-  $- 
Government sponsored entities
  349   -   349   - 
Residential mortgage-backed securities
  21,872   -   21,872   - 
Commercial mortgage-backed securities
  11,300   -   11,300   - 
State and municipal obligations
  190,035   -   190,035   - 
Corporate securities
  90,141   -   73,091   17,050 
Options embedded in convertible securities
  1,505   -   1,505   - 
Foreign government obligations
  21,121   -   21,121   - 
Total fixed maturities
  409,460   73,137   319,273   17,050 
Equity securities
  88,085   88,085   -   - 
Short term
  3,675   2,982   693   - 
Cash equivalents
  81,756   -   81,756   - 
   $582,976  $164,204  $401,722  $17,050 

Fair value assets measured on recurring basis unobservable input reconciliation
The Level 3 assets consist of an investment portfolio of insurance-linked securities. The insurance-linked securities are valued using the average of estimated market quotes from multiple insurance-linked securities brokers. The broker quotes include Level 3 inputs which are significant to the valuation of the insurance-linked securities and vary by 0-3% from each other. There were no Level 3 sales, no transfers into Level 3 and no transfers out of Level 3 during 2012 or 2011. 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, 2012 and for the year ended December 31, 2011:
 
   
2012
  
2011
 
Beginning of period balance
 $17,050  $17,242 
Total gain or losses (realized or unrealized)
        
included in earnings (or changes in net assets)
  140   387 
Purchases
  400   6,522 
Settlements
  (3,644)  (7,101)
End of period balance
 $13,946  $17,050 
 
Summary of 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 sheet at September 30, 2012 and December 31, 2011 are as follows:
 

   
Carrying
  
Fair Value
 
   
Value
  
Level 1
  
Level 2
  
Level 3
  
Total
 
                
September 30, 2012
               
Assets: Limited partnerships
 $59,237  $-  $-  $59,237  $59,237 
Liabilities: Short-term borrowings
  10,000   -   10,000   -   10,000 
                      
December 31, 2011
                    
Assets: Limited partnerships
  54,705   -   -   54,705   54,705 
Liabilities: Short-term borrowings
  10,000   -   10,000   -   10,000