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Fair Value Measurement (Tables)
9 Months Ended
Sep. 30, 2018
Fair Value Measurement [Abstract]  
Schedule of financial assets and liabilities measured at fair value on a recurring basis
   Fair value measurements 
   September 30, 2018 
   Level 1   Level 2   Level 3   Total 
Assets:                
Government and corporate debentures  $-   $10,756   $-   $10,756 
Convertible debentures   -    1,163    -    1,163 
Dividend preference derivative in TSG (1)   -    -    2,400    2,400 
Total financial assets  $-   $11,919   $2,400   $14,319 
                     
Liabilities:                    
Redeemable non-controlling interests (2)  $-   $-   $59,429   $59,429 
Contingent consideration (2)   -    -    10,724    10,724 
Total financial liabilities  $-   $-   $70,153   $70,153 

 

   Fair value measurements 
   December 31, 2017 
   Level 1   Level 2   Level 3   Total 
Assets:                
Government and corporate debentures  $-   $12,929   $-   $12,929 
Convertible debentures   -    1,209    -    1,209 
Dividend preference derivative in TSG (1)   -    -    2,400    2,400 
Total financial assets  $-   $14,138   $2,400   $16,538 
                     
Liabilities:                    
Redeemable non-controlling interests (2)  $-   $-   $52,876   $52,876 
Contingent consideration (2)   -    -    6,345    6,345 
Total financial liabilities  $-   $-   $59,221   $59,221 

 

(1)The fair value of dividend preference derivative in TSG was estimated using the Monte-Carlo simulation technique.
(2)The fair value of redeemable non-controlling interests and contingent consideration was determined based on the present value of the future expected cash flow.
Schedule of reconciliation of liability to redeemable non-controlling interests

   2018   2017 
Carrying amount as of January 1st  $52,876   $46,484 
Net income attributable to redeemable non-controlling interests   4,702    2,104 
Adjustments in redeemable non-controlling interests to fair value   1,985    5,765 
Increase in redeemable non-controlling interest as part of acquisitions   6,662    - 
Redeemable non-controlling interests classification to non-controlling due to change in terms and expiration of put options   (2,183)   - 
Exercise of put option by redeemable non-controlling interests   (142)   - 
Dividend to redeemable non-controlling interests   (2,404)   (3,236)
Foreign currency translation adjustments   (2,067)   3,969 
           
Carrying amount as of September 30  $59,429   $55,086 

 

   2018   2017 
Carrying amount as of July 1st  $58,062   $56,378 
Net income attributable to redeemable non-controlling interests   1,591    928 
Adjustments in redeemable non-controlling interests to fair value   596    351 
Increase in redeemable non-controlling interest as part of acquisitions   1,042    - 
Redeemable non-controlling interests classification to non-controlling due to change in terms   (1,187)   - 
Exercise of put option by redeemable non-controlling interests   -    - 
Dividend to redeemable non-controlling interests   (677)   (2,088)
Foreign currency translation adjustments   2    (483)
           
Carrying amount as of September 30  $59,429   $55,086 

 

January 1, 2017  $46,484 
Net income attributable to redeemable non-controlling interests   3,671 
Share-based compensation attributable to redeemable non-controlling Interests   52 
Change in redeemable non-controlling interests to fair value   4,872 
Redeemable non-controlling interests classification to non-controlling Interests due to expiration of put options   (2,440)
Dividend in redeemable non-controlling interests   (3,928)
Foreign currency translation adjustments   4,165 
      
December 31, 2017  $52,876