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Fair Value (Tables)
6 Months Ended
Jun. 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 June 30, 2013:
            
              
Description
 
Total
  
Level 1
  
Level 2
  
Level 3
 
             
U.S. government obligations
 $68,021  $68,021  $-  $- 
Residential mortgage-backed securities
  16,535   -   16,535   - 
Commercial mortgage-backed securities
  25,391   -   25,391   - 
State and municipal obligations
  113,251   -   113,251   - 
Corporate securities
  131,826   -   124,605   7,221 
Options embedded in convertible securities
  2,137   -   2,137   - 
Foreign government obligations
  21,942   -   21,942   - 
      Total fixed maturities
  379,103   68,021   303,861   7,221 
Equity securities
  120,946   120,946   -   - 
Short term
  4,226   4,226   -   - 
Cash equivalents
  111,781   -   111,781   - 
   $616,056  $193,193  $415,642  $7,221 


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 six months ended June 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
  602   1,653 
Purchases
  1,000   400 
Settlements
  (6,063)  (7,421)
End of period balance
 $7,221  $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 June 30, 2013 and December 31, 2012 are as follows:
 

   
Carrying
  
Fair Value
 
   
Value
  
Level 1
  
Level 2
  
Level 3
  
Total
 
                
June 30, 2013
               
Assets:   Limited partnerships
 $60,474  $-  $-  $60,474  $60,474 
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