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Marketable Securities (Tables)
9 Months Ended
Sep. 30, 2022
Marketable Securities  
Summary of investment in marketable security
               
   Adjusted Cost   Unrealized Gain/(Loss)   Fair Value 
Corporate Bonds  $44,822   $(2,968)  $41,854 
U.S. Treasury   20,922    (1,437)   19,485 
Mortgage-Backed   6,285    (760)   5,525 
U.S. agency and government sponsored securities   13,116    (1,495)   11,621 
U.S. states and municipalities   11,818    (988)   10,830 
Asset-Backed   567    (9)   558 
Total  $97,530   $(7,657)  $89,873 

 

The investments in marketable securities had an adjusted cost basis of $113.8 million and a market value of $112.5 million as of December 31, 2021. The balances consisted of the following securities (in thousands):

             
   Adjusted Cost   Unrealized Gain/(Loss)   Fair Value 
Corporate Bonds  $47,864   $(529)  $47,335 
U.S. Treasury   24,410    (257)   24,153 
Mortgage-Backed   7,504    (143)   7,361 
U.S. agency and government sponsored securities   14,675    (87)   14,588 
U.S. states and municipalities   11,871    (189)   11,682 
Asset-Backed   6,456    (50)   6,406 
Commercial paper   998        998 
Total  $113,778   $(1,255)  $112,523 
Schedule of unrealized losses and fair values of available for sale securities
        
  

Gross

Unrealized Loss

   Fair Value 
Corporate Bonds  $(2,375)  $34,365 
U.S. Treasury   (1,456)   19,489 
Mortgage-Backed   (829)   5,528 
U.S. agency and government sponsored securities   (1,493)   11,625 
U.S. states and municipalities   (781)   8,020 
Asset-Backed   (10)   558 
Total  $(6,944)  $79,585 
Summary of contractual maturity
    
   Fair Value 
Due within 1 year  $8,889 
Due after 1 year through 5 years   70,060 
Due after 5 years through 10 years   3,752 
Due after 10 years   7,172 
Total  $89,873