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Revenue Recognition (Tables)
 12 Months Ended
Dec. 31, 2022
Revenue Recognition [Abstract]  
Schedule of deferred revenues from contracts with customers
   January, 1   December 31, 
   2021   2021   2022 
Trade receivables (net of allowance for credit losses of $3,967, $5,071 and $5,416 at January 1, 2021, December 31, 2021 and 2022, respectively)  $91,986   $116,975   $118,126 
Unbilled receivables   14,842    19,614    26,114 
Contract assets   4,231    5,482    4,240 
Long-term unbilled receivables *)   
-
    
-
    2,548 
Long-term trade receivables *)   1,410    1,318    735 
Deferred revenues (short-term contract liabilities)  $8,793   $10,771   $9,808 

 

*)Included in Other long-term receivables in the consolidated statements of financial position.

 
Schedule of past due but not impaired trade receivables
   Past due trade receivables with aging of 
   Neither
past
due nor
impaired		   Up to 30 days   31-60 days   61-90 days   91-120 days   Over 121 days   Total   Unpaid
deferred
revenues		   Allowance
for credit
losses		   Total trade
receivables,
net		 
December 31, 2022  $67,793   $24,150   $16,869   $12,863   $4,125   $13,311   $139,111   $(15,569)  $(5,416)  $118,126 
December 31, 2021  $66,316   $27,776   $13,658   $11,454   $5,939   $10,391   $135,534   $(13,488)  $(5,071)  $116,975 

 
Schedule of revenue by timing of revenue recognition
   Year ended
December 31,		 
   2021   2022 
         
Products and services transferred over time  $449,391   $533,862 
Products transferred at a point in time   30,934    32,930 
   $480,325   $566,792