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MARKETABLE SECURITIES
 9 Months Ended
Sep. 30, 2023
Marketable Securities [Abstract]  
MARKETABLE SECURITIES
NOTE 3:       MARKETABLE SECURITIES
 
The following is a summary of available-for-sale marketable securities as of September 30, 2023:
 
   
Amortized
cost
    
Gross
unrealized gains
    
Gross
unrealized losses
    
Fair value
  
Matures within one year:
                        
Corporate bonds
  
$
449,162
    
$
227
    
$
(8,838
)
  
$
440,551
  
U.S. Treasury securities
    
27,951
      
-
      
(200
)
    
27,751
  
Non-U.S. Government securities
    
9,123
      
-
      
(150
)
    
8,973
  
     
486,236
      
227
      
(9,188
)
    
477,275
  
Matures after one year:
                                
Corporate bonds
    
400,408
      
49
      
(10,950
)
    
389,507
  
U.S. Treasury securities
    
2,413
      
-
      
(43
)
    
2,370
  
U.S. Government agency securities
    
42,477
      
-
      
(493
)
    
41,984
  
Non-U.S. Government securities
    
2,401
      
-
      
(123
)
    
2,278
  
     
447,699
      
49
      
(11,609
)
    
436,139
  
Total
  
$
933,935
    
$
276
    
$
(20,797
)
  
$
913,414
  
 
The following is a summary of available-for-sale marketable securities as of December 31, 2022:
 
   
Amortized
cost
    
Gross
unrealized gains
    
Gross
unrealized losses
    
Fair value
  
Matures within one year:
                        
Corporate bonds
  
$
222,482
    
$
-
    
$
(4,657
)
  
$
217,825
  
U.S. Treasury securities
    
15,963
      
-
      
(284
)
    
15,679
  
Non-U.S. Government securities
    
7,882
      
-
      
(269
)
    
7,613
  
     
246,327
      
-
      
(5,210
)
    
241,117
  
Matures after one year:
                                
Corporate bonds
    
657,238
      
80
      
(26,460
)
    
630,858
  
U.S. Treasury securities
    
9,939
      
-
      
(261
)
    
9,678
  
Non-U.S. Government securities
    
5,311
      
-
      
(356
)
    
4,955
  
     
672,488
      
80
      
(27,077
)
    
645,491
  
Total
  
$
918,815
    
$
80
    
$
(32,287
)
  
$
886,608
  
 
Proceeds from sales of available-for-sale marketable securities during the nine months ended September 30, 2023 and 2022 were $2,807 and $29,235, which led to realized losses of $125 and $723, respectively.
 
There were no proceeds from sales of available-for-sale marketable securities during the three months ended September 30, 2023.
 
Proceeds from sales of available-for-sale marketable securities during the three months ended September 30, 2022 were $5,811, which led to realized gains of $121.
 
As of September 30, 2023, and December 31, 2022, the Company did not record an allowance for credit losses for its available-for-sale marketable securities.